synoptic: 30 data points in equal steps of sine latitude from +14.5/15 to -14.5/15 CT2108:360 66.609 49.872 16.382 -15.601 -42.458 -54.368 -36.510 -24.520 -51.921 -120.997 -182.356 -163.764 -84.802 -29.916 -3.930 -1.471 0.115 7.626 23.519 26.710 17.342 -1.555 -6.952 -9.030 -4.854 10.464 25.378 33.720 41.208 51.906 CT2108:355 68.113 32.860 2.274 -22.106 -40.640 -70.542 -92.896 -116.248 -166.168 -263.462 -361.768 -341.790 -198.125 -56.884 1.429 -4.167 -13.207 -5.738 11.213 20.852 17.668 9.668 6.843 1.842 2.498 15.000 31.730 41.719 51.231 64.124 CT2108:350 55.578 29.836 9.876 -0.922 -9.295 -45.538 -128.731 -239.581 -338.848 -464.299 -574.276 -548.050 -329.236 -90.625 6.048 4.823 -14.009 -11.452 -19.530 -19.312 -12.296 3.703 10.403 7.697 7.981 20.595 36.810 51.113 68.092 81.777 CT2108:345 51.517 37.804 19.320 8.676 10.203 -34.931 -171.020 -336.913 -456.955 -633.638 -716.282 -644.981 -500.520 -134.241 8.596 2.271 -10.573 -7.029 -36.168 -49.174 -31.502 1.127 13.174 13.275 13.912 27.316 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-31.978 -37.111 -19.290 7.266 13.383 2.297 0.926 25.434 50.000 64.984 CT2108:275 XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX CT2108:270 XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX CT2108:265 XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX CT2108:260 XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX CT2108:255 XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX CT2108:250 XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX CT2108:245 -10.140 -60.299 -46.782 -20.244 0.343 8.639 -1.361 -11.141 -13.018 -7.587 -5.949 -12.745 -22.033 -24.713 -23.408 -19.642 -16.857 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CT2108:220 60.080 47.745 31.605 10.625 -14.406 -30.847 -43.013 -54.357 -61.135 -58.842 -62.183 -50.466 -18.467 -0.337 -4.322 -43.667 -44.473 -46.649 -54.990 -37.812 -2.177 55.733 41.939 30.516 25.934 17.847 6.746 18.623 54.312 82.223 CT2108:215 76.415 54.574 30.772 3.298 -24.497 -44.156 -57.963 -71.894 -86.274 -85.643 -76.005 -63.884 -45.295 -25.274 -22.515 -86.068 -69.856 25.002 172.794 241.295 170.342 57.630 -4.957 11.754 26.497 19.980 7.874 12.907 43.982 73.220 CT2108:210 79.622 52.941 26.357 -2.042 -29.946 -49.325 -59.735 -67.425 -98.550 -183.041 -253.405 -253.561 -167.372 -73.502 -37.009 -99.067 -47.651 275.507 886.165 1100.205 769.639 190.538 -5.055 15.483 28.307 13.874 10.040 11.838 30.423 53.539 CT2108:205 72.885 47.488 20.328 -8.801 -35.418 -49.510 -40.160 -28.322 -72.751 -240.432 -409.278 -408.225 -241.128 -88.741 -28.593 -50.227 44.523 518.863 1447.246 1737.769 1205.406 302.877 -17.293 -9.961 7.851 -2.589 2.885 7.388 26.544 45.134 CT2108:200 58.012 39.725 20.691 -3.135 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410.927 223.665 46.114 2.576 14.302 4.892 -49.509 -144.311 -168.219 -30.194 207.405 268.759 186.903 101.689 66.219 2.176 -17.544 5.937 35.522 CT2108:155 52.165 17.127 -24.392 -82.453 -121.672 -5.552 395.924 771.725 838.472 728.923 485.508 363.975 199.335 23.108 -13.692 9.122 6.487 -19.840 -60.589 -80.413 -24.167 110.824 153.392 114.518 88.306 78.439 19.877 -9.200 1.539 24.770 CT2108:150 62.068 15.506 -14.673 -64.952 -139.292 -10.606 657.662 1462.583 1566.193 990.146 266.426 70.628 34.916 12.329 11.332 5.490 -4.491 -22.032 -57.847 -97.101 -176.899 -327.649 -323.676 -117.405 57.222 67.050 7.987 1.555 22.968 41.461 CT2108:145 108.640 38.097 -32.798 -123.528 -188.947 -82.779 335.183 730.260 686.173 75.893 -534.404 -650.796 -450.375 -94.438 -11.135 -29.042 -43.236 -36.960 -1.382 -16.579 -213.896 -542.318 -564.728 -292.649 -50.172 6.563 15.446 24.325 31.821 41.759 CT2108:140 217.946 86.599 -32.552 -183.614 -323.248 -331.787 -218.725 -76.659 -134.197 -789.946-1774.929-1879.263 -868.701 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