JANUARY ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.714 2.702 2.682 2.657 2.623 2.583 2.540 2.497 2.456 2.418 2.384 2.353 2.325 2.299 2.277 2.260 2.250 E-5 115 4.264 4.238 4.201 4.155 4.104 4.052 3.998 3.945 3.889 3.835 3.781 3.731 3.689 3.656 3.634 3.622 3.616 E-5 110 7.174 7.158 7.142 7.136 7.144 7.167 7.195 7.213 7.201 7.146 7.039 6.904 6.760 6.639 6.562 6.526 6.518 E-5 105 1.294 1.311 1.338 1.374 1.415 1.460 1.505 1.542 1.567 1.570 1.547 1.500 1.439 1.379 1.333 1.303 1.288 E-4 100 2.727 2.796 2.901 3.030 3.171 3.315 3.452 3.572 3.658 3.686 3.632 3.495 3.301 3.097 2.925 2.804 2.735 E-4 95 7.250 7.368 7.534 7.730 7.928 8.133 8.338 8.552 8.733 8.814 8.694 8.341 7.803 7.212 6.694 6.313 6.089 E-4 90 2.307 2.264 2.205 2.142 2.087 2.051 2.043 2.064 2.101 2.122 2.093 1.995 1.843 1.675 1.526 1.418 1.353 E-3 85 7.222 6.796 6.263 5.727 5.286 5.004 4.886 4.891 4.953 4.976 4.868 4.597 4.198 3.777 3.435 3.169 3.008 E-3 80 1.590 1.504 1.408 1.290 1.186 1.129 1.119 1.123 1.130 1.118 1.083 1.033 0.960 0.890 0.861 0.815 0.781 E-2 75 3.903 3.680 3.421 3.069 2.737 2.537 2.486 2.503 2.514 2.480 2.391 2.253 2.060 1.880 1.806 1.714 1.639 E-2 70 8.541 8.080 7.545 6.786 6.067 5.592 5.440 5.473 5.484 5.408 5.206 4.854 4.392 3.956 3.769 3.591 3.417 E-2 65 1.730 1.647 1.552 1.417 1.288 1.195 1.152 1.148 1.146 1.136 1.099 1.025 0.928 0.831 0.784 0.745 0.703 E-1 60 3.321 3.189 3.032 2.814 2.597 2.426 2.319 2.282 2.273 2.267 2.219 2.101 1.926 1.733 1.616 1.513 1.410 E-1 55 6.130 5.940 5.710 5.372 5.019 4.713 4.483 4.359 4.333 4.346 4.320 4.163 3.893 3.532 3.262 2.993 2.749 E-1 50 1.107 1.081 1.049 0.998 0.942 0.890 0.847 0.818 0.812 0.816 0.817 0.797 0.757 0.695 0.640 0.582 0.531 E 0 45 1.989 1.956 1.913 1.835 1.747 1.658 1.584 1.537 1.525 1.531 1.531 1.503 1.443 1.345 1.244 1.130 1.033 E 0 40 3.624 3.579 3.524 3.410 3.266 3.127 3.006 2.935 2.912 2.922 2.914 2.872 2.786 2.636 2.447 2.224 2.037 E 0 35 6.791 6.737 6.677 6.509 6.288 6.081 5.892 5.776 5.724 5.747 5.735 5.690 5.572 5.313 4.932 4.473 4.099 E 0 30 1.326 1.318 1.311 1.288 1.260 1.231 1.203 1.184 1.174 1.178 1.177 1.173 1.154 1.106 1.030 0.937 0.861 E 1 25 2.700 2.690 2.675 2.654 2.628 2.595 2.560 2.528 2.512 2.516 2.512 2.497 2.462 2.372 2.235 2.071 1.935 E 1 20 5.563 5.571 5.591 5.633 5.669 5.678 5.652 5.613 5.593 5.596 5.568 5.499 5.382 5.187 4.944 4.686 4.487 E 1 FEBRUARY ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.559 2.552 2.539 2.523 2.501 2.475 2.447 2.419 2.392 2.368 2.347 2.328 2.312 2.296 2.281 2.270 2.263 E-5 115 4.005 3.986 3.960 3.928 3.895 3.861 3.828 3.793 3.759 3.723 3.689 3.657 3.631 3.611 3.598 3.593 3.592 E-5 110 6.777 6.761 6.750 6.753 6.779 6.822 6.869 6.903 6.906 6.865 6.775 6.659 6.540 6.445 6.388 6.367 6.366 E-5 105 1.249 1.261 1.283 1.314 1.354 1.399 1.441 1.476 1.496 1.495 1.471 1.427 1.373 1.323 1.285 1.261 1.250 E-4 100 2.676 2.727 2.811 2.923 3.053 3.189 3.317 3.421 3.487 3.498 3.440 3.317 3.153 2.985 2.846 2.749 2.696 E-4 95 7.007 7.090 7.224 7.400 7.598 7.802 8.001 8.184 8.321 8.359 8.248 7.963 7.551 7.105 6.710 6.420 6.250 E-4 90 2.100 2.072 2.033 1.995 1.965 1.949 1.953 1.973 2.000 2.012 1.989 1.919 1.814 1.696 1.591 1.512 1.466 E-3 85 6.057 5.793 5.472 5.161 4.908 4.752 4.697 4.712 4.760 4.781 4.702 4.501 4.209 3.904 3.673 3.496 3.391 E-3 80 1.320 1.262 1.213 1.173 1.138 1.124 1.130 1.134 1.141 1.144 1.117 1.057 0.974 0.904 0.895 0.881 0.875 E-2 75 3.177 3.037 2.906 2.740 2.585 2.513 2.521 2.534 2.544 2.538 2.452 2.306 2.100 1.917 1.877 1.856 1.844 E-2 70 7.000 6.715 6.429 6.055 5.691 5.503 5.506 5.536 5.556 5.534 5.306 4.955 4.468 4.028 3.899 3.861 3.822 E-2 65 1.432 1.387 1.341 1.279 1.212 1.169 1.160 1.164 1.170 1.169 1.123 1.048 0.940 0.840 0.801 0.787 0.770 E-1 60 2.791 2.729 2.670 2.584 2.473 2.377 2.336 2.338 2.351 2.358 2.294 2.157 1.947 1.733 1.626 1.564 1.500 E-1 55 5.255 5.185 5.121 5.014 4.837 4.652 4.537 4.503 4.517 4.546 4.483 4.268 3.921 3.500 3.236 3.035 2.844 E-1 50 0.968 0.961 0.956 0.942 0.916 0.883 0.860 0.844 0.843 0.850 0.844 0.814 0.760 0.686 0.632 0.585 0.540 E 0 45 1.773 1.769 1.766 1.748 1.707 1.651 1.606 1.572 1.565 1.577 1.571 1.529 1.443 1.322 1.232 1.145 1.056 E 0 40 3.299 3.302 3.306 3.284 3.214 3.126 3.036 2.969 2.951 2.967 2.961 2.903 2.772 2.589 2.444 2.296 2.131 E 0 35 6.313 6.342 6.370 6.345 6.238 6.096 5.928 5.793 5.744 5.782 5.770 5.704 5.516 5.247 4.986 4.703 4.392 E 0 30 1.255 1.261 1.270 1.271 1.259 1.236 1.206 1.182 1.173 1.179 1.177 1.170 1.147 1.107 1.051 0.987 0.926 E 1 25 2.583 2.603 2.628 2.645 2.641 2.607 2.560 2.518 2.502 2.515 2.510 2.494 2.462 2.393 2.282 2.147 2.028 E 1 20 5.366 5.434 5.535 5.644 5.715 5.704 5.652 5.585 5.574 5.596 5.563 5.499 5.388 5.218 5.008 4.774 4.577 E 1 MARCH ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.425 2.423 2.421 2.417 2.411 2.403 2.392 2.383 2.376 2.371 2.369 2.367 2.366 2.363 2.359 2.356 2.354 E-5 115 3.800 3.790 3.776 3.764 3.752 3.742 3.734 3.727 3.719 3.711 3.701 3.694 3.689 3.688 3.691 3.697 3.702 E-5 110 6.535 6.521 6.518 6.538 6.588 6.659 6.733 6.788 6.806 6.779 6.710 6.620 6.532 6.465 6.433 6.428 6.436 E-5 105 1.244 1.252 1.270 1.299 1.340 1.385 1.428 1.459 1.471 1.463 1.435 1.393 1.345 1.302 1.270 1.252 1.243 E-4 100 2.709 2.748 2.821 2.925 3.054 3.189 3.306 3.390 3.425 3.407 3.335 3.219 3.079 2.941 2.829 2.754 2.713 E-4 95 6.848 6.931 7.074 7.279 7.519 7.758 7.959 8.102 8.167 8.143 8.020 7.794 7.510 7.211 6.949 6.764 6.657 E-4 90 1.868 1.865 1.867 1.875 1.891 1.911 1.932 1.951 1.962 1.960 1.941 1.903 1.854 1.803 1.759 1.728 1.710 E-3 85 4.742 4.694 4.648 4.607 4.591 4.604 4.638 4.675 4.697 4.685 4.639 4.557 4.437 4.330 4.227 4.146 4.094 E-3 80 0.953 0.968 1.006 1.040 1.074 1.107 1.135 1.152 1.159 1.145 1.131 1.107 1.051 1.007 0.943 0.880 0.832 E-2 75 2.132 2.167 2.259 2.326 2.391 2.463 2.532 2.562 2.569 2.535 2.484 2.408 2.288 2.170 2.019 1.900 1.813 E-2 70 4.604 4.692 4.903 5.078 5.227 5.359 5.506 5.586 5.606 5.539 5.365 5.141 4.864 4.565 4.241 4.034 3.888 E-2 65 0.954 0.980 1.031 1.080 1.112 1.129 1.155 1.177 1.184 1.171 1.129 1.075 1.015 0.947 0.881 0.844 0.819 E-1 60 1.908 1.979 2.099 2.219 2.287 2.297 2.331 2.378 2.393 2.377 2.305 2.198 2.080 1.932 1.804 1.727 1.677 E-1 55 3.722 3.889 4.146 4.390 4.514 4.517 4.555 4.610 4.629 4.612 4.519 4.339 4.130 3.843 3.594 3.414 3.301 E-1 50 0.711 0.744 0.793 0.836 0.858 0.857 0.863 0.866 0.867 0.865 0.854 0.826 0.790 0.739 0.693 0.655 0.630 E 0 45 1.351 1.412 1.497 1.572 1.609 1.607 1.611 1.607 1.605 1.604 1.588 1.548 1.485 1.400 1.319 1.254 1.210 E 0 40 2.629 2.736 2.883 2.999 3.061 3.056 3.046 3.023 3.008 3.011 2.991 2.935 2.831 2.688 2.559 2.462 2.396 E 0 35 5.300 5.500 5.741 5.922 6.024 6.002 5.952 5.878 5.834 5.840 5.828 5.756 5.583 5.361 5.174 5.024 4.912 E 0 30 1.107 1.142 1.185 1.217 1.234 1.226 1.212 1.196 1.187 1.188 1.185 1.178 1.155 1.124 1.092 1.060 1.032 E 1 25 2.373 2.441 2.517 2.577 2.609 2.594 2.565 2.535 2.520 2.522 2.520 2.506 2.480 2.432 2.368 2.290 2.219 E 1 20 5.084 5.236 5.393 5.546 5.658 5.669 5.647 5.599 5.579 5.593 5.568 5.513 5.420 5.294 5.150 4.993 4.851 E 1 APRIL ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.291 2.296 2.303 2.312 2.320 2.329 2.338 2.349 2.361 2.376 2.393 2.410 2.427 2.439 2.448 2.454 2.458 E-5 115 3.625 3.623 3.623 3.626 3.636 3.651 3.669 3.689 3.709 3.728 3.747 3.766 3.785 3.805 3.826 3.845 3.858 E-5 110 6.379 6.373 6.383 6.424 6.501 6.601 6.702 6.777 6.811 6.800 6.754 6.693 6.635 6.598 6.586 6.595 6.610 E-5 105 1.246 1.255 1.275 1.308 1.353 1.402 1.445 1.470 1.475 1.459 1.427 1.385 1.341 1.302 1.273 1.254 1.246 E-4 100 2.715 2.758 2.840 2.959 3.105 3.251 3.368 3.431 3.436 3.387 3.297 3.178 3.047 2.922 2.819 2.746 2.705 E-4 95 6.501 6.629 6.852 7.162 7.516 7.846 8.084 8.199 8.193 8.101 7.944 7.756 7.545 7.340 7.167 7.043 6.971 E-4 90 1.601 1.631 1.683 1.754 1.832 1.904 1.954 1.973 1.969 1.952 1.933 1.923 1.922 1.932 1.949 1.969 1.986 E-3 85 3.724 3.790 3.916 4.097 4.321 4.508 4.633 4.691 4.686 4.649 4.642 4.679 4.762 4.887 5.035 5.172 5.281 E-3 80 0.798 0.814 0.853 0.915 1.007 1.067 1.097 1.119 1.120 1.109 1.122 1.141 1.148 1.139 1.113 1.072 1.048 E-2 75 1.655 1.704 1.816 1.976 2.201 2.357 2.440 2.473 2.474 2.462 2.484 2.516 2.544 2.532 2.467 2.393 2.349 E-2 70 3.417 3.539 3.807 4.216 4.749 5.118 5.349 5.451 5.470 5.435 5.397 5.411 5.446 5.384 5.227 5.093 5.012 E-2 65 0.694 0.724 0.785 0.886 1.002 1.078 1.135 1.167 1.173 1.160 1.136 1.128 1.130 1.113 1.079 1.054 1.040 E-1 60 1.373 1.450 1.592 1.818 2.053 2.194 2.310 2.382 2.392 2.367 2.315 2.290 2.282 2.241 2.173 2.127 2.107 E-1 55 2.673 2.854 3.165 3.621 4.064 4.324 4.519 4.640 4.654 4.619 4.555 4.501 4.465 4.372 4.247 4.149 4.109 E-1 50 0.515 0.553 0.619 0.703 0.778 0.823 0.855 0.874 0.875 0.871 0.864 0.854 0.843 0.825 0.802 0.784 0.776 E 0 45 0.993 1.069 1.198 1.349 1.475 1.548 1.601 1.627 1.628 1.621 1.611 1.591 1.568 1.535 1.497 1.469 1.460 E 0 40 1.979 2.133 2.381 2.646 2.857 2.967 3.039 3.064 3.058 3.050 3.039 3.006 2.953 2.894 2.845 2.820 2.823 E 0 35 4.157 4.489 4.961 5.404 5.741 5.895 5.964 5.955 5.922 5.910 5.922 5.866 5.747 5.653 5.622 5.642 5.695 E 0 30 0.916 0.987 1.076 1.149 1.197 1.215 1.217 1.207 1.198 1.198 1.201 1.194 1.176 1.163 1.165 1.180 1.197 E 1 25 2.094 2.222 2.368 2.483 2.560 2.577 2.570 2.547 2.533 2.537 2.537 2.530 2.507 2.491 2.492 2.515 2.540 E 1 20 4.740 4.956 5.176 5.393 5.563 5.633 5.647 5.610 5.596 5.605 5.579 5.546 5.480 5.404 5.371 5.374 5.388 E 1 MAY ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.145 2.153 2.167 2.185 2.204 2.226 2.249 2.274 2.303 2.334 2.368 2.400 2.430 2.457 2.477 2.492 2.500 E-5 115 3.438 3.442 3.450 3.466 3.491 3.524 3.561 3.603 3.645 3.687 3.728 3.768 3.809 3.848 3.884 3.914 3.936 E-5 110 6.173 6.176 6.201 6.263 6.365 6.488 6.608 6.698 6.745 6.749 6.725 6.690 6.660 6.645 6.648 6.663 6.680 E-5 105 1.221 1.233 1.257 1.297 1.348 1.402 1.445 1.468 1.466 1.446 1.412 1.370 1.329 1.292 1.261 1.238 1.226 E-4 100 2.616 2.673 2.775 2.922 3.096 3.265 3.387 3.439 3.421 3.351 3.247 3.124 2.995 2.870 2.760 2.673 2.618 E-4 95 5.941 6.126 6.443 6.876 7.368 7.811 8.111 8.220 8.167 8.020 7.838 7.661 7.479 7.306 7.146 7.017 6.932 E-4 90 1.354 1.408 1.498 1.619 1.754 1.876 1.954 1.979 1.963 1.935 1.917 1.923 1.952 1.999 2.053 2.106 2.144 E-3 85 2.988 3.144 3.382 3.678 4.034 4.358 4.563 4.637 4.623 4.592 4.611 4.715 4.917 5.242 5.646 6.056 6.368 E-3 80 0.674 0.734 0.797 0.846 0.925 0.993 1.023 1.034 1.046 1.066 1.095 1.117 1.126 1.167 1.222 1.274 1.316 E-2 75 1.377 1.518 1.665 1.792 2.001 2.200 2.300 2.319 2.343 2.390 2.462 2.530 2.596 2.722 2.863 3.014 3.136 E-2 70 2.815 3.114 3.407 3.733 4.258 4.796 5.129 5.230 5.280 5.333 5.429 5.556 5.714 5.959 6.220 6.539 6.799 E-2 65 0.570 0.629 0.685 0.763 0.889 1.016 1.105 1.141 1.149 1.147 1.152 1.172 1.204 1.246 1.290 1.348 1.397 E-1 60 1.132 1.244 1.352 1.532 1.814 2.073 2.262 2.343 2.350 2.339 2.343 2.380 2.438 2.500 2.566 2.664 2.746 E-1 55 2.195 2.410 2.636 3.026 3.616 4.097 4.429 4.560 4.571 4.562 4.596 4.656 4.751 4.825 4.920 5.062 5.177 E-1 50 0.420 0.462 0.511 0.591 0.703 0.787 0.842 0.862 0.863 0.865 0.871 0.881 0.893 0.902 0.916 0.936 0.950 E 0 45 0.808 0.892 0.999 1.158 1.355 1.494 1.584 1.616 1.620 1.620 1.629 1.640 1.655 1.665 1.685 1.717 1.738 E 0 40 1.609 1.786 2.019 2.332 2.666 2.885 3.015 3.070 3.070 3.072 3.085 3.095 3.098 3.110 3.145 3.202 3.237 E 0 35 3.376 3.774 4.309 4.932 5.478 5.776 5.934 5.984 5.970 5.979 6.024 6.036 6.005 6.021 6.090 6.195 6.276 E 0 30 0.750 0.845 0.969 1.084 1.164 1.200 1.213 1.212 1.208 1.212 1.223 1.225 1.220 1.223 1.234 1.252 1.270 E 1 25 1.793 1.993 2.217 2.399 2.512 2.553 2.565 2.558 2.551 2.563 2.576 2.582 2.581 2.586 2.601 2.626 2.651 E 1 20 4.332 4.649 4.993 5.281 5.480 5.574 5.624 5.624 5.627 5.641 5.641 5.633 5.607 5.574 5.557 5.557 5.563 E 1 JUNE ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.025 2.035 2.051 2.071 2.096 2.123 2.151 2.184 2.219 2.258 2.299 2.340 2.377 2.409 2.435 2.454 2.465 E-5 115 3.269 3.274 3.287 3.308 3.339 3.379 3.427 3.477 3.529 3.581 3.632 3.684 3.734 3.782 3.826 3.862 3.886 E-5 110 5.920 5.930 5.963 6.037 6.149 6.284 6.411 6.506 6.558 6.570 6.559 6.539 6.522 6.518 6.526 6.542 6.557 E-5 105 1.172 1.186 1.214 1.258 1.313 1.369 1.412 1.433 1.429 1.407 1.372 1.333 1.294 1.255 1.223 1.198 1.182 E-4 100 2.478 2.542 2.656 2.818 3.009 3.190 3.317 3.366 3.338 3.259 3.150 3.027 2.898 2.771 2.653 2.555 2.489 E-4 95 5.467 5.681 6.040 6.533 7.092 7.601 7.937 8.047 7.972 7.802 7.611 7.430 7.255 7.081 6.909 6.751 6.637 E-4 90 1.203 1.264 1.368 1.509 1.670 1.815 1.909 1.937 1.917 1.884 1.866 1.877 1.916 1.972 2.037 2.096 2.138 E-3 85 2.605 2.788 3.059 3.397 3.803 4.185 4.431 4.517 4.493 4.447 4.472 4.605 4.866 5.292 5.828 6.375 6.805 E-3 80 0.612 0.690 0.764 0.809 0.879 0.948 0.977 0.984 0.991 1.001 1.028 1.056 1.083 1.172 1.288 1.407 1.501 E-2 75 1.272 1.451 1.619 1.727 1.911 2.120 2.221 2.236 2.245 2.274 2.339 2.429 2.583 2.843 3.170 3.474 3.713 E-2 70 2.622 2.998 3.333 3.594 4.071 4.664 4.997 5.080 5.090 5.129 5.232 5.440 5.817 6.384 7.049 7.682 8.173 E-2 65 0.529 0.603 0.666 0.728 0.845 0.990 1.084 1.112 1.112 1.114 1.130 1.171 1.243 1.346 1.461 1.580 1.671 E-1 60 1.041 1.181 1.302 1.444 1.708 2.016 2.222 2.282 2.278 2.278 2.315 2.398 2.517 2.691 2.878 3.078 3.229 E-1 55 1.988 2.255 2.505 2.817 3.388 3.980 4.359 4.452 4.440 4.445 4.532 4.689 4.890 5.154 5.454 5.762 5.997 E-1 50 0.373 0.425 0.479 0.546 0.659 0.766 0.830 0.844 0.843 0.844 0.861 0.888 0.922 0.960 1.008 1.054 1.087 E 0 45 0.709 0.812 0.925 1.065 1.276 1.459 1.565 1.594 1.591 1.592 1.617 1.660 1.712 1.772 1.845 1.916 1.963 E 0 40 1.399 1.608 1.855 2.152 2.534 2.833 2.997 3.050 3.046 3.046 3.082 3.145 3.218 3.307 3.420 3.530 3.606 E 0 35 2.903 3.344 3.922 4.612 5.305 5.727 5.928 5.990 5.970 5.987 6.060 6.151 6.257 6.377 6.551 6.710 6.846 E 0 30 0.645 0.746 0.888 1.039 1.148 1.199 1.218 1.219 1.214 1.220 1.235 1.249 1.265 1.283 1.307 1.333 1.357 E 1 25 1.600 1.810 2.084 2.342 2.499 2.556 2.581 2.579 2.570 2.578 2.601 2.630 2.654 2.682 2.716 2.750 2.782 E 1 20 3.991 4.334 4.783 5.197 5.458 5.579 5.652 5.667 5.658 5.664 5.692 5.726 5.744 5.744 5.749 5.764 5.784 E 1 JULY ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.000 2.009 2.023 2.043 2.066 2.090 2.116 2.146 2.179 2.216 2.254 2.291 2.327 2.356 2.381 2.398 2.409 E-5 115 3.214 3.218 3.229 3.249 3.278 3.315 3.359 3.406 3.454 3.503 3.551 3.599 3.645 3.690 3.730 3.766 3.787 E-5 110 5.793 5.800 5.833 5.902 6.010 6.138 6.260 6.351 6.399 6.410 6.395 6.371 6.351 6.343 6.349 6.364 6.378 E-5 105 1.144 1.158 1.185 1.227 1.279 1.334 1.376 1.397 1.393 1.371 1.337 1.298 1.258 1.221 1.190 1.166 1.150 E-4 100 2.426 2.488 2.597 2.751 2.934 3.108 3.231 3.278 3.252 3.176 3.069 2.947 2.819 2.694 2.579 2.485 2.423 E-4 95 5.386 5.589 5.933 6.398 6.931 7.414 7.729 7.839 7.766 7.603 7.415 7.232 7.052 6.874 6.702 6.550 6.447 E-4 90 1.194 1.252 1.350 1.484 1.635 1.772 1.861 1.887 1.867 1.835 1.817 1.824 1.857 1.908 1.965 2.018 2.057 E-3 85 2.604 2.770 3.041 3.370 3.744 4.097 4.341 4.430 4.404 4.351 4.353 4.461 4.704 5.090 5.582 6.106 6.521 E-3 80 0.620 0.683 0.773 0.828 0.881 0.938 0.982 1.000 1.003 1.003 1.006 1.016 1.050 1.126 1.238 1.379 1.496 E-2 75 1.318 1.460 1.653 1.781 1.931 2.098 2.221 2.269 2.276 2.271 2.272 2.321 2.467 2.747 3.104 3.457 3.728 E-2 70 2.748 3.057 3.452 3.756 4.161 4.613 4.952 5.080 5.090 5.073 5.062 5.191 5.556 6.202 6.979 7.709 8.239 E-2 65 0.557 0.621 0.702 0.774 0.878 0.990 1.070 1.097 1.096 1.092 1.093 1.124 1.198 1.317 1.457 1.587 1.681 E-1 60 1.087 1.218 1.387 1.559 1.804 2.046 2.200 2.245 2.233 2.222 2.242 2.316 2.453 2.653 2.878 3.087 3.242 E-1 55 2.051 2.315 2.673 3.067 3.612 4.070 4.333 4.377 4.339 4.326 4.394 4.551 4.798 5.121 5.470 5.791 6.021 E-1 50 0.380 0.433 0.508 0.592 0.700 0.781 0.823 0.829 0.822 0.821 0.838 0.867 0.910 0.960 1.014 1.062 1.094 E 0 45 0.716 0.817 0.967 1.140 1.341 1.482 1.552 1.564 1.555 1.554 1.580 1.633 1.702 1.785 1.868 1.938 1.983 E 0 40 1.389 1.584 1.888 2.247 2.632 2.868 2.982 3.005 2.991 2.994 3.036 3.121 3.231 3.359 3.482 3.588 3.661 E 0 35 2.800 3.187 3.845 4.661 5.418 5.784 5.934 5.949 5.910 5.937 6.018 6.164 6.326 6.515 6.690 6.849 6.970 E 0 30 0.601 0.686 0.840 1.022 1.156 1.206 1.223 1.220 1.212 1.218 1.235 1.260 1.285 1.311 1.337 1.361 1.383 E 1 25 1.449 1.636 1.962 2.290 2.497 2.565 2.594 2.590 2.578 2.587 2.617 2.659 2.700 2.736 2.773 2.806 2.835 E 1 20 3.699 3.995 4.577 5.099 5.447 5.591 5.669 5.689 5.678 5.689 5.732 5.796 5.836 5.848 5.860 5.874 5.889 E 1 AUGUST ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.114 2.121 2.131 2.145 2.160 2.177 2.195 2.214 2.236 2.261 2.288 2.315 2.339 2.361 2.377 2.389 2.396 E-5 115 3.359 3.360 3.366 3.377 3.396 3.422 3.452 3.485 3.519 3.552 3.584 3.616 3.649 3.680 3.711 3.737 3.754 E-5 110 5.964 5.965 5.985 6.040 6.131 6.243 6.352 6.434 6.473 6.471 6.439 6.396 6.357 6.335 6.331 6.342 6.358 E-5 105 1.172 1.183 1.206 1.242 1.290 1.340 1.382 1.404 1.404 1.385 1.351 1.311 1.270 1.232 1.202 1.182 1.170 E-4 100 2.526 2.576 2.669 2.802 2.961 3.117 3.233 3.286 3.275 3.211 3.111 2.991 2.864 2.741 2.635 2.556 2.506 E-4 95 5.830 5.992 6.272 6.655 7.084 7.479 7.751 7.857 7.817 7.682 7.512 7.321 7.132 6.948 6.784 6.658 6.576 E-4 90 1.359 1.405 1.481 1.584 1.698 1.801 1.869 1.891 1.879 1.853 1.834 1.832 1.849 1.880 1.918 1.957 1.985 E-3 85 3.042 3.197 3.416 3.660 3.939 4.213 4.412 4.479 4.465 4.429 4.417 4.472 4.616 4.862 5.189 5.534 5.823 E-3 80 0.681 0.764 0.843 0.875 0.916 0.980 1.041 1.054 1.061 1.069 1.067 1.060 1.057 1.085 1.147 1.230 1.324 E-2 75 1.456 1.634 1.797 1.881 1.995 2.158 2.316 2.373 2.389 2.396 2.379 2.371 2.418 2.556 2.770 2.989 3.183 E-2 70 3.074 3.455 3.780 3.980 4.275 4.685 5.073 5.251 5.269 5.258 5.201 5.191 5.333 5.682 6.165 6.628 6.986 E-2 65 0.631 0.716 0.786 0.833 0.905 1.000 1.085 1.123 1.121 1.113 1.100 1.102 1.137 1.205 1.290 1.369 1.427 E-1 60 1.246 1.432 1.600 1.714 1.882 2.079 2.237 2.293 2.276 2.254 2.228 2.247 2.329 2.452 2.579 2.692 2.777 E-1 55 2.359 2.756 3.153 3.448 3.812 4.155 4.407 4.465 4.421 4.383 4.363 4.429 4.587 4.801 4.984 5.141 5.250 E-1 50 0.436 0.516 0.603 0.673 0.745 0.799 0.837 0.842 0.834 0.830 0.833 0.849 0.878 0.912 0.940 0.961 0.974 E 0 45 0.810 0.965 1.142 1.295 1.431 1.518 1.573 1.579 1.564 1.560 1.573 1.603 1.656 1.709 1.752 1.784 1.798 E 0 40 1.535 1.831 2.187 2.521 2.795 2.932 3.003 3.006 2.982 2.985 3.015 3.078 3.160 3.250 3.312 3.356 3.379 E 0 35 3.000 3.567 4.313 5.087 5.656 5.881 5.946 5.931 5.878 5.901 5.982 6.102 6.226 6.367 6.454 6.512 6.551 E 0 30 0.621 0.736 0.900 1.074 1.185 1.218 1.224 1.217 1.206 1.212 1.229 1.254 1.274 1.292 1.304 1.312 1.319 E 1 25 1.446 1.683 2.020 2.341 2.535 2.582 2.599 2.589 2.573 2.585 2.615 2.657 2.691 2.712 2.724 2.734 2.740 E 1 20 3.666 4.060 4.632 5.169 5.496 5.613 5.681 5.689 5.672 5.692 5.738 5.798 5.825 5.813 5.790 5.770 5.749 E 1 SEPTEMBER ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.358 2.360 2.365 2.369 2.372 2.374 2.377 2.379 2.385 2.392 2.402 2.412 2.420 2.427 2.431 2.434 2.436 E-5 115 3.711 3.706 3.701 3.699 3.701 3.708 3.717 3.726 3.736 3.745 3.753 3.762 3.771 3.783 3.798 3.811 3.822 E-5 110 6.469 6.461 6.466 6.500 6.568 6.659 6.750 6.818 6.846 6.826 6.771 6.696 6.627 6.578 6.557 6.561 6.574 E-5 105 1.254 1.262 1.281 1.313 1.356 1.404 1.447 1.475 1.482 1.468 1.436 1.393 1.348 1.307 1.277 1.259 1.250 E-4 100 2.736 2.777 2.854 2.968 3.108 3.250 3.367 3.438 3.453 3.414 3.328 3.208 3.072 2.943 2.837 2.765 2.724 E-4 95 6.683 6.794 6.989 7.260 7.573 7.870 8.096 8.223 8.238 8.168 8.018 7.816 7.579 7.342 7.143 6.999 6.919 E-4 90 1.703 1.723 1.759 1.809 1.866 1.920 1.960 1.979 1.980 1.967 1.948 1.928 1.911 1.901 1.897 1.899 1.904 E-3 85 4.090 4.126 4.197 4.294 4.419 4.546 4.642 4.683 4.683 4.666 4.643 4.623 4.620 4.649 4.722 4.800 4.863 E-3 80 0.881 0.898 0.931 0.962 1.007 1.052 1.084 1.089 1.087 1.092 1.093 1.077 1.041 1.005 0.989 0.971 0.960 E-2 75 1.910 1.939 1.995 2.077 2.194 2.316 2.411 2.437 2.434 2.436 2.435 2.388 2.316 2.262 2.243 2.192 2.175 E-2 70 4.055 4.106 4.182 4.368 4.664 4.990 5.258 5.381 5.367 5.343 5.306 5.191 5.062 4.957 4.898 4.775 4.739 E-2 65 0.838 0.852 0.866 0.906 0.975 1.053 1.117 1.149 1.145 1.133 1.118 1.094 1.076 1.056 1.034 1.000 0.986 E-1 60 1.667 1.720 1.763 1.852 2.002 2.165 2.296 2.350 2.334 2.305 2.267 2.228 2.208 2.172 2.107 2.022 1.972 E-1 55 3.169 3.338 3.498 3.711 4.008 4.294 4.519 4.589 4.548 4.501 4.447 4.398 4.377 4.309 4.171 3.978 3.851 E-1 50 0.585 0.629 0.675 0.723 0.776 0.822 0.858 0.866 0.857 0.851 0.846 0.839 0.837 0.826 0.801 0.763 0.737 E 0 45 1.072 1.173 1.282 1.387 1.481 1.554 1.606 1.617 1.600 1.591 1.588 1.580 1.580 1.563 1.521 1.456 1.410 E 0 40 1.981 2.193 2.444 2.690 2.877 2.982 3.049 3.058 3.024 3.017 3.027 3.027 3.030 3.003 2.944 2.844 2.770 E 0 35 3.712 4.167 4.767 5.391 5.782 5.937 5.982 5.973 5.913 5.916 5.964 5.996 6.017 5.970 5.887 5.747 5.633 E 0 30 0.730 0.827 0.972 1.124 1.207 1.225 1.223 1.217 1.206 1.208 1.220 1.233 1.239 1.230 1.217 1.198 1.181 E 1 25 1.586 1.786 2.096 2.404 2.568 2.596 2.596 2.586 2.564 2.570 2.594 2.621 2.633 2.617 2.591 2.559 2.530 E 1 20 3.740 4.121 4.693 5.218 5.535 5.641 5.686 5.692 5.667 5.672 5.709 5.732 5.721 5.652 5.574 5.499 5.436 E 1 OCTOBER ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.645 2.643 2.637 2.628 2.616 2.599 2.582 2.564 2.547 2.533 2.523 2.513 2.503 2.494 2.484 2.477 2.471 E-5 115 4.154 4.140 4.121 4.100 4.079 4.059 4.041 4.022 4.002 3.981 3.960 3.940 3.924 3.914 3.910 3.910 3.912 E-5 110 7.133 7.116 7.106 7.120 7.162 7.225 7.291 7.342 7.352 7.319 7.236 7.123 7.018 6.935 6.891 6.880 6.886 E-5 105 1.349 1.358 1.377 1.410 1.451 1.499 1.544 1.578 1.594 1.588 1.559 1.513 1.461 1.413 1.377 1.356 1.346 E-4 100 2.935 2.979 3.057 3.168 3.303 3.445 3.572 3.668 3.717 3.709 3.638 3.513 3.356 3.200 3.072 2.985 2.938 E-4 95 7.544 7.621 7.759 7.948 8.177 8.403 8.616 8.778 8.872 8.870 8.743 8.489 8.141 7.772 7.447 7.213 7.080 E-4 90 2.132 2.116 2.098 2.085 2.079 2.082 2.096 2.115 2.133 2.137 2.114 2.064 1.991 1.911 1.840 1.788 1.758 E-3 85 5.623 5.506 5.343 5.164 5.052 4.985 4.953 4.960 4.991 4.997 4.947 4.822 4.633 4.426 4.258 4.129 4.051 E-3 80 1.121 1.132 1.133 1.109 1.121 1.126 1.109 1.093 1.096 1.098 1.091 1.061 1.000 0.928 0.878 0.831 0.799 E-2 75 2.504 2.511 2.491 2.453 2.479 2.498 2.479 2.437 2.424 2.424 2.418 2.338 2.190 2.014 1.889 1.761 1.680 E-2 70 5.317 5.314 5.248 5.193 5.290 5.386 5.419 5.402 5.370 5.346 5.285 5.080 4.739 4.323 3.998 3.700 3.504 E-2 65 1.094 1.092 1.078 1.069 1.097 1.126 1.144 1.156 1.156 1.147 1.122 1.072 1.003 0.912 0.832 0.762 0.715 E-1 60 2.182 2.185 2.162 2.152 2.217 2.286 2.336 2.365 2.367 2.351 2.289 2.185 2.055 1.877 1.694 1.533 1.418 E-1 55 4.171 4.222 4.230 4.226 4.359 4.494 4.596 4.624 4.617 4.592 4.487 4.311 4.072 3.733 3.375 3.028 2.768 E-1 50 0.772 0.792 0.803 0.806 0.830 0.853 0.871 0.874 0.871 0.867 0.851 0.820 0.779 0.722 0.657 0.589 0.536 E 0 45 1.403 1.459 1.500 1.516 1.557 1.595 1.625 1.630 1.624 1.618 1.596 1.542 1.475 1.382 1.270 1.145 1.043 E 0 40 2.544 2.689 2.825 2.890 2.970 3.030 3.073 3.076 3.061 3.058 3.030 2.958 2.854 2.702 2.519 2.308 2.118 E 0 35 4.682 5.057 5.489 5.718 5.881 5.973 6.005 5.973 5.943 5.952 5.958 5.875 5.724 5.486 5.210 4.892 4.571 E 0 30 0.908 0.997 1.113 1.183 1.219 1.226 1.220 1.211 1.203 1.206 1.215 1.211 1.193 1.158 1.115 1.069 1.020 E 1 25 1.908 2.098 2.340 2.510 2.594 2.599 2.583 2.564 2.549 2.556 2.573 2.577 2.558 2.503 2.438 2.360 2.284 E 1 20 4.242 4.600 5.023 5.379 5.591 5.655 5.669 5.652 5.627 5.641 5.658 5.644 5.585 5.461 5.323 5.194 5.084 E 1 NOVEMBER ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.842 2.832 2.816 2.794 2.765 2.732 2.695 2.657 2.622 2.588 2.559 2.531 2.506 2.484 2.463 2.448 2.438 E-5 115 4.471 4.449 4.415 4.376 4.332 4.287 4.242 4.195 4.147 4.099 4.053 4.009 3.971 3.942 3.922 3.913 3.908 E-5 110 7.600 7.581 7.564 7.561 7.580 7.618 7.657 7.684 7.678 7.622 7.519 7.384 7.241 7.126 7.055 7.026 7.023 E-5 105 1.399 1.413 1.438 1.473 1.516 1.562 1.609 1.648 1.670 1.671 1.645 1.596 1.535 1.476 1.432 1.405 1.390 E-4 100 2.995 3.056 3.153 3.278 3.420 3.567 3.706 3.822 3.901 3.919 3.859 3.720 3.530 3.334 3.169 3.054 2.990 E-4 95 7.922 8.015 8.161 8.343 8.541 8.745 8.950 9.154 9.318 9.374 9.251 8.915 8.415 7.869 7.385 7.031 6.819 E-4 90 2.438 2.395 2.337 2.277 2.226 2.194 2.189 2.209 2.240 2.257 2.230 2.143 2.008 1.858 1.723 1.623 1.564 E-3 85 7.114 6.792 6.339 5.893 5.535 5.294 5.177 5.156 5.194 5.215 5.131 4.897 4.539 4.156 3.834 3.578 3.411 E-3 80 1.396 1.376 1.312 1.247 1.198 1.160 1.131 1.101 1.086 1.082 1.066 1.023 0.947 0.873 0.827 0.768 0.715 E-2 75 3.303 3.221 3.043 2.874 2.731 2.617 2.532 2.449 2.400 2.388 2.356 2.240 2.044 1.855 1.738 1.605 1.486 E-2 70 7.141 6.961 6.579 6.242 5.953 5.725 5.556 5.419 5.330 5.295 5.175 4.849 4.353 3.898 3.603 3.338 3.092 E-2 65 1.466 1.432 1.361 1.299 1.245 1.204 1.175 1.155 1.147 1.141 1.105 1.025 0.912 0.808 0.737 0.685 0.635 E-1 60 2.870 2.826 2.708 2.595 2.505 2.433 2.383 2.341 2.332 2.325 2.255 2.090 1.867 1.643 1.482 1.373 1.273 E-1 55 5.394 5.348 5.182 4.999 4.856 4.739 4.656 4.553 4.526 4.521 4.416 4.128 3.707 3.263 2.928 2.687 2.480 E-1 50 0.986 0.984 0.962 0.933 0.909 0.891 0.879 0.862 0.856 0.855 0.839 0.789 0.716 0.633 0.568 0.516 0.475 E 0 45 1.782 1.792 1.762 1.716 1.676 1.647 1.635 1.612 1.603 1.603 1.574 1.490 1.366 1.223 1.101 0.996 0.911 E 0 40 3.247 3.286 3.260 3.187 3.123 3.087 3.076 3.042 3.032 3.033 2.982 2.855 2.661 2.423 2.209 1.999 1.829 E 0 35 6.066 6.185 6.207 6.118 6.024 5.987 5.970 5.901 5.881 5.895 5.840 5.676 5.401 5.034 4.654 4.272 3.942 E 0 30 1.178 1.212 1.233 1.233 1.225 1.218 1.211 1.196 1.190 1.194 1.193 1.177 1.142 1.090 1.026 0.958 0.900 E 1 25 2.394 2.473 2.545 2.583 2.596 2.583 2.570 2.541 2.526 2.533 2.537 2.522 2.482 2.405 2.305 2.197 2.102 E 1 20 4.934 5.122 5.345 5.502 5.613 5.644 5.658 5.607 5.585 5.599 5.591 5.549 5.453 5.289 5.115 4.941 4.802 E 1 DECEMBER ZONAL MEAN PRESSURE (mb) HEIGHT LATITUDE (km) 80S 70S 60S 50S 40S 30S 20S 10S EQ 10N 20N 30N 40N 50N 60N 70N 80N EXPONENT ----------------------------------------------------------------------------------------------------------------------------------- 120 2.860 2.847 2.825 2.796 2.758 2.716 2.668 2.620 2.574 2.532 2.493 2.458 2.426 2.397 2.371 2.352 2.340 E-5 115 4.508 4.479 4.438 4.387 4.332 4.274 4.213 4.153 4.091 4.030 3.970 3.914 3.867 3.829 3.804 3.789 3.781 E-5 110 7.608 7.590 7.572 7.562 7.567 7.586 7.611 7.624 7.609 7.547 7.432 7.284 7.128 6.997 6.911 6.872 6.862 E-5 105 1.373 1.392 1.421 1.459 1.502 1.549 1.594 1.633 1.659 1.663 1.638 1.588 1.524 1.460 1.408 1.376 1.360 E-4 100 2.894 2.970 3.083 3.219 3.368 3.517 3.660 3.785 3.877 3.908 3.852 3.705 3.496 3.275 3.088 2.956 2.881 E-4 95 7.720 7.849 8.028 8.230 8.434 8.635 8.846 9.065 9.264 9.348 9.222 8.833 8.247 7.600 7.030 6.615 6.370 E-4 90 2.483 2.434 2.366 2.291 2.226 2.181 2.169 2.190 2.228 2.251 2.219 2.111 1.943 1.757 1.594 1.475 1.405 E-3 85 7.750 7.281 6.675 6.087 5.612 5.294 5.142 5.127 5.184 5.204 5.097 4.801 4.353 3.875 3.502 3.207 3.025 E-3 80 1.563 1.492 1.391 1.285 1.207 1.150 1.121 1.108 1.102 1.086 1.064 1.014 0.924 0.830 0.796 0.736 0.688 E-2 75 3.845 3.650 3.366 3.066 2.815 2.623 2.516 2.478 2.451 2.418 2.372 2.234 1.987 1.758 1.672 1.535 1.425 E-2 70 8.439 8.019 7.417 6.793 6.245 5.812 5.550 5.468 5.416 5.349 5.232 4.864 4.237 3.685 3.455 3.172 2.935 E-2 65 1.722 1.643 1.533 1.417 1.318 1.237 1.181 1.157 1.147 1.137 1.114 1.030 0.892 0.764 0.703 0.645 0.597 E-1 60 3.318 3.189 3.005 2.809 2.644 2.497 2.380 2.315 2.292 2.285 2.253 2.104 1.846 1.565 1.410 1.284 1.188 E-1 55 6.124 5.946 5.665 5.340 5.085 4.832 4.610 4.447 4.396 4.396 4.390 4.163 3.715 3.137 2.779 2.496 2.301 E-1 50 1.105 1.081 1.040 0.989 0.949 0.908 0.869 0.839 0.829 0.830 0.832 0.798 0.722 0.615 0.541 0.480 0.440 E 0 45 1.983 1.954 1.892 1.813 1.747 1.681 1.620 1.576 1.561 1.562 1.563 1.506 1.381 1.197 1.058 0.929 0.850 E 0 40 3.603 3.563 3.475 3.349 3.244 3.145 3.058 2.997 2.975 2.975 2.958 2.872 2.680 2.393 2.138 1.871 1.703 E 0 35 6.731 6.684 6.558 6.370 6.213 6.069 5.952 5.857 5.811 5.811 5.782 5.673 5.412 4.989 4.521 3.964 3.585 E 0 30 1.309 1.304 1.291 1.266 1.246 1.226 1.209 1.195 1.184 1.183 1.181 1.169 1.136 1.076 0.994 0.887 0.802 E 1 25 2.662 2.653 2.638 2.624 2.607 2.587 2.565 2.542 2.525 2.520 2.517 2.498 2.452 2.365 2.235 2.065 1.916 E 1 20 5.463 5.472 5.507 5.577 5.630 5.650 5.641 5.616 5.591 5.577 5.557 5.496 5.377 5.205 4.988 4.728 4.500 E 1