synoptic: 30 data points in equal steps of sine latitude from +14.5/15 to -14.5/15 CT1691:360 7.621 -17.660 -41.015 -73.231 -101.006 -74.734 32.370 113.612 37.177 -254.820 -425.926 -389.494 -127.095 59.072 57.966 -45.395 -80.191 -126.257 -174.726 -188.685 -183.708 -159.334 -77.525 122.667 218.913 197.949 138.141 73.314 -8.351 -86.157 CT1691:355 11.049 -4.395 -24.723 -54.933 -81.715 -88.379 -86.853 -96.291 -109.227 -77.782 -31.956 5.383 101.173 165.869 156.370 45.387 -33.509 -133.813 -278.652 -331.565 -348.823 -343.052 -238.433 9.963 143.195 158.362 140.821 91.340 -0.948 -92.559 CT1691:350 4.770 1.253 -7.736 -29.194 -54.820 -66.528 -98.537 -126.040 -122.737 -52.714 22.265 76.960 207.876 306.228 271.723 163.207 95.238 -40.574 -219.422 -294.386 -362.761 -413.154 -313.225 -67.321 62.774 113.739 150.025 94.098 -26.521 -114.553 CT1691:345 -15.179 -15.822 -20.611 -28.082 -35.122 -40.526 -45.789 -39.478 -39.573 -77.944 -95.459 -49.030 81.802 141.914 119.129 49.622 -25.504 -95.056 -116.090 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1176.331 731.059 506.274 284.301 152.058 24.673 19.818 132.731 106.180 110.556 115.209 44.211 -12.183 4.204 83.711 68.571 -5.464 -60.342 CT1691:200 50.832 1.018 -49.434 -108.628 -168.794 -139.212 28.951 247.004 486.497 954.566 1387.537 1487.965 1397.469 1186.644 894.403 290.320 -17.097 487.568 1584.112 1915.041 1476.763 788.204 529.461 79.914 -189.310 -141.746 40.341 74.908 28.383 -39.653 CT1691:195 16.389 -11.497 -40.194 -76.773 -122.009 -70.189 122.382 346.339 525.290 747.969 897.811 870.580 744.118 639.561 395.401 -36.755 -150.911 396.740 1702.157 2155.629 1694.534 1082.392 748.344 173.032 -193.441 -145.469 48.725 62.253 -11.273 -66.936 CT1691:190 -10.097 -21.658 -30.040 -49.144 -87.204 -21.038 225.074 528.072 641.214 581.610 470.721 329.950 -109.313 -629.667 -728.641 -649.592 -586.948 -335.159 148.208 365.660 551.910 676.292 537.494 116.786 -145.274 -101.144 59.775 76.931 22.039 -45.533 CT1691:185 -39.342 -24.870 -17.256 -29.639 -47.853 18.880 255.998 534.366 573.700 408.025 211.306 72.818 -156.518 -242.518 -357.112 -660.770 -802.537 -650.821 -407.696 -296.757 -77.228 161.040 145.473 -3.719 -74.362 -34.294 67.622 84.826 26.530 -42.481 CT1691:180 -74.321 -33.336 5.944 41.326 65.502 132.792 307.592 529.179 529.151 194.739 -291.026 -440.721 -290.710 -120.984 -139.215 -229.749 -224.943 -157.867 89.234 240.886 13.642 -280.743 -287.724 -80.820 46.511 67.772 103.187 86.587 6.923 -55.873 CT1691:175 -126.407 -79.204 -31.233 17.578 63.251 117.156 240.585 406.771 389.831 56.516 -375.208 -472.376 -274.161 -88.529 -48.262 8.711 63.054 92.484 148.143 160.341 23.089 -192.113 -203.988 -61.818 47.504 84.482 117.963 111.775 55.690 -19.314 CT1691:170 -160.842 -105.615 -50.152 10.293 79.954 109.690 89.815 85.205 54.328 -67.438 -135.913 -142.293 -112.169 -33.651 5.618 35.638 44.786 72.504 112.937 109.648 39.604 -52.237 -59.358 -11.482 31.491 63.017 93.146 78.708 18.941 -30.009 CT1691:165 -168.603 -108.381 -46.003 23.451 99.184 113.698 -47.929 -313.332 -405.594 -288.701 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4.870 43.597 104.850 181.035 170.671 -1.269 -246.304 -320.177 -218.425 -116.049 -91.672 62.685 281.400 264.940 202.900 272.708 262.992 280.439 227.932 -1.025 -165.563 -156.281 -61.387 -38.193 -43.690 -42.929 CT1691:120 -91.689 -83.207 -76.834 -74.644 -70.550 -44.938 -4.819 47.977 52.636 -34.428 -162.213 -202.937 -145.893 -81.286 -29.183 71.942 178.222 511.196 1221.151 1494.268 1128.872 516.000 298.722 136.247 -9.500 -59.915 -52.796 -53.248 -52.002 -57.819 CT1691:115 -10.125 -45.108 -78.733 -128.228 -199.729 -192.118 -100.005 35.057 85.714 111.557 131.215 116.867 56.889 14.251 30.790 -16.749 -34.366 317.166 1172.283 1511.788 1214.850 665.036 442.111 214.864 34.893 -18.501 -20.731 -43.417 -56.393 -71.570 CT1691:110 54.815 -21.914 -105.208 -214.122 -332.953 -331.188 -142.022 129.775 230.751 244.562 228.887 200.337 106.916 14.730 19.785 44.529 130.612 331.608 689.255 819.405 733.140 501.736 341.202 175.080 39.537 -18.811 -43.352 -64.823 -68.541 -68.567 CT1691:105 101.141 -3.577 -117.904 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273.335 193.324 25.894 -156.859 -344.370 -430.314 -403.880 -343.819 -225.928 -22.455 122.755 228.893 341.971 352.675 279.694 142.057 82.609 120.301 148.541 151.632 153.908 155.267 90.347 -25.896 -60.947 -33.443 9.310 16.334 6.821 -9.785 CT1691:060 74.031 107.198 71.198 -114.336 -270.196 -336.597 -305.584 -247.691 -101.222 248.594 521.613 632.247 699.622 704.615 547.444 191.090 105.842 344.281 650.760 678.158 514.291 350.024 216.476 20.632 -65.202 -43.085 -8.796 -3.547 -7.143 -8.707 CT1691:055 286.074 134.674 -0.877 -108.173 -198.115 -247.836 -234.841 -208.626 -48.534 399.526 730.293 858.763 894.074 827.004 622.071 192.728 72.734 300.143 572.989 681.513 678.457 608.940 440.317 59.199 -84.933 -46.390 -7.312 -12.546 -20.042 -28.800 CT1691:050 362.206 224.449 90.862 -20.875 -112.951 -150.620 -139.186 -130.546 6.262 341.273 490.296 442.750 279.002 229.436 168.754 -28.130 -41.181 91.772 211.383 277.820 369.675 376.802 252.613 38.787 -59.537 -55.134 -32.863 -20.947 -16.188 -12.391 CT1691:045 -118.085 307.476 145.573 32.205 -58.455 -106.736 -103.681 -116.606 -198.272 -415.676 -572.979 -695.995 -927.416 -945.413 -642.953 -227.736 -109.054 -173.248 -203.007 -123.825 55.269 147.296 94.785 -24.880 -51.928 -38.310 -31.241 -22.806 -7.307 12.430 CT1691:040 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 CT1691:035 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 CT1691:030 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 CT1691:025 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 CT1691:020 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 CT1691:015 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 CT1691:010 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 CT1691:005 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 CT1692:360 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