Cumulonimbus Frequency of Occurrence - Phase of Diurnal Cycle (Local Time of Maximum) March, April, May (1971 - 1996), Land Areas Only Grid Box Averages 466 boxes filled with min 100 obs. Box # Lat.N Lon.E Phase N.Obs. 29 72.5 10.0 13.5 46 7.250000e+001 -10.0 12.4 48.0 6.750000e+001 15 14.6 49.0 67.5 25 1.601000e+001 50.0 67.5 35.0 1.545000e+001 51 67.5 45.0 14.7 52 6.750000e+001 55.0 16.0 53.0 6.750000e+001 65 18.2 54.0 67.5 75 1.721000e+001 55.0 67.5 85.0 1.662000e+001 56 67.5 95.0 18.1 57 6.750000e+001 105.0 18.2 58.0 6.750000e+001 115 17.1 59.0 67.5 125 1.764000e+001 60.0 67.5 135.0 1.919000e+001 80 67.5 -25.0 12.1 81 6.750000e+001 -15.0 13.1 83.0 6.250000e+001 5 14.1 84.0 62.5 15 1.573000e+001 85.0 62.5 25.0 1.648000e+001 86 62.5 35.0 16.5 87 6.250000e+001 45.0 15.9 88.0 6.250000e+001 55 15.8 89.0 62.5 65 1.657000e+001 90.0 62.5 75.0 1.774000e+001 91 62.5 85.0 15.2 92 6.250000e+001 95.0 15.4 93.0 6.250000e+001 105 16.2 94.0 62.5 115 1.589000e+001 95.0 62.5 125.0 1.630000e+001 96 62.5 135.0 17.1 97 6.250000e+001 145.0 17.9 98.0 6.250000e+001 155 18.6 99.0 62.5 165 1.311000e+001 100.0 62.5 175.0 1.545000e+001 104 62.5 -145.0 17.2 105 6.250000e+001 -135.0 15.6 106.0 6.250000e+001 -125 16.8 116.0 62.5 -25 1.292000e+001 117.0 62.5 -15.0 1.448000e+001 118 62.5 -5.0 12.0 119 5.750000e+001 5.0 14.1 120.0 5.750000e+001 15 15.7 121.0 57.5 25 1.534000e+001 122.0 57.5 35.0 1.553000e+001 123 57.5 45.0 15.8 124 5.750000e+001 55.0 15.5 125.0 5.750000e+001 65 16.1 126.0 57.5 75 1.613000e+001 127.0 57.5 85.0 1.528000e+001 128 57.5 95.0 14.9 129 5.750000e+001 105.0 14.7 130.0 5.750000e+001 115 15.4 131.0 57.5 125 1.545000e+001 132.0 57.5 135.0 1.572000e+001 133 57.5 145.0 15.5 134 5.750000e+001 155.0 12.0 135.0 5.750000e+001 165 9.2 141.0 57.5 -135 1.455000e+001 142.0 57.5 -125.0 1.570000e+001 143 57.5 -115.0 16.0 154 5.750000e+001 -5.0 14.4 155.0 5.250000e+001 5 15.7 156.0 52.5 15 1.588000e+001 157.0 52.5 25.0 1.575000e+001 158 52.5 35.0 16.2 159 5.250000e+001 45.0 16.3 160.0 5.250000e+001 55 15.7 161.0 52.5 65 1.617000e+001 162.0 52.5 75.0 1.593000e+001 163 52.5 85.0 15.7 164 5.250000e+001 95.0 15.3 165.0 5.250000e+001 105 14.9 166.0 52.5 115 1.592000e+001 167.0 52.5 125.0 1.666000e+001 168 52.5 135.0 16.4 169 5.250000e+001 145.0 15.3 177.0 5.250000e+001 -135 12.7 178.0 52.5 -125 1.515000e+001 179.0 52.5 -115.0 1.636000e+001 180 52.5 -105.0 17.3 189 5.250000e+001 -15.0 11.9 190.0 5.250000e+001 -5 15.1 191.0 47.5 2.500000e+000 1.625000e+001 192.0 47.5 7.5 1.654000e+001 193 47.5 12.5 16.5 194 4.750000e+001 17.5 16.7 195.0 4.750000e+001 2.250000e+001 17.1 196.0 47.5 2.750000e+001 1.686000e+001 197.0 47.5 32.5 1.605000e+001 198 47.5 37.5 16.0 199 4.750000e+001 42.5 15.7 200.0 4.750000e+001 4.750000e+001 15.9 201.0 47.5 5.250000e+001 1.596000e+001 203.0 47.5 62.5 1.646000e+001 204 47.5 67.5 17.1 205 4.750000e+001 72.5 16.3 206.0 4.750000e+001 7.750000e+001 15.6 207.0 47.5 8.250000e+001 1.633000e+001 208.0 47.5 87.5 1.636000e+001 209 47.5 92.5 15.5 210 4.750000e+001 97.5 15.0 211.0 4.750000e+001 1.025000e+002 15.9 212.0 47.5 1.075000e+002 1.569000e+001 213.0 47.5 112.5 1.616000e+001 214 47.5 117.5 17.1 215 4.750000e+001 122.5 17.5 216.0 4.750000e+001 1.275000e+002 17.5 217.0 47.5 1.325000e+002 1.625000e+001 218.0 47.5 137.5 1.589000e+001 219 47.5 142.5 14.5 238 4.750000e+001 -122.5 15.0 239.0 4.750000e+001 -1.175000e+002 15.9 240.0 47.5 -1.125000e+002 1.649000e+001 241.0 47.5 -107.5 1.676000e+001 242 47.5 -102.5 18.2 261 4.750000e+001 -7.5 10.1 262.0 4.750000e+001 -2.500000e+000 14.2 263.0 42.5 2.500000e+000 1.617000e+001 264.0 42.5 7.5 1.512000e+001 265 42.5 12.5 16.1 266 4.250000e+001 17.5 16.2 267.0 4.250000e+001 2.250000e+001 17.2 268.0 42.5 2.750000e+001 1.750000e+001 269.0 42.5 32.5 1.635000e+001 270 42.5 37.5 12.9 271 4.250000e+001 42.5 17.0 272.0 4.250000e+001 4.750000e+001 17.6 274.0 42.5 5.750000e+001 1.573000e+001 275.0 42.5 62.5 1.628000e+001 276 42.5 67.5 17.9 277 4.250000e+001 72.5 18.0 278.0 4.250000e+001 7.750000e+001 17.5 279.0 42.5 8.250000e+001 1.732000e+001 280.0 42.5 87.5 1.742000e+001 281 42.5 92.5 15.9 282 4.250000e+001 97.5 16.3 283.0 4.250000e+001 1.025000e+002 16.0 284.0 42.5 1.075000e+002 1.693000e+001 285.0 42.5 112.5 1.735000e+001 286 42.5 117.5 17.7 288 4.250000e+001 127.5 16.5 289.0 4.250000e+001 1.325000e+002 16.3 291.0 42.5 1.425000e+002 1.449000e+001 310.0 42.5 -122.5 1.543000e+001 311 42.5 -117.5 15.7 312 4.250000e+001 -112.5 15.3 313.0 4.250000e+001 -1.075000e+002 16.4 314.0 42.5 -1.025000e+002 1.713000e+001 315.0 42.5 -97.5 1.962000e+001 316 42.5 -92.5 19.1 333 4.250000e+001 -7.5 15.5 334.0 4.250000e+001 -2.500000e+000 16.2 336.0 37.5 7.500000e+000 1.769000e+001 341.0 37.5 32.5 1.679000e+001 342 37.5 37.5 16.3 343 3.750000e+001 42.5 16.5 344.0 3.750000e+001 4.750000e+001 16.8 345.0 37.5 5.250000e+001 1.696000e+001 346.0 37.5 57.5 1.750000e+001 347 37.5 62.5 18.4 348 3.750000e+001 67.5 17.6 349.0 3.750000e+001 7.250000e+001 18.9 350.0 37.5 7.750000e+001 1.865000e+001 353.0 37.5 92.5 1.578000e+001 354 37.5 97.5 15.9 355 3.750000e+001 102.5 17.1 356.0 3.750000e+001 1.075000e+002 17.3 357.0 37.5 1.125000e+002 1.787000e+001 363.0 37.5 142.5 1.499000e+001 382 37.5 -122.5 13.6 383 3.750000e+001 -117.5 15.8 384.0 3.750000e+001 -1.125000e+002 15.4 385.0 37.5 -1.075000e+002 1.539000e+001 386.0 37.5 -102.5 1.687000e+001 387 37.5 -97.5 20.3 388 3.750000e+001 -92.5 20.2 389.0 3.750000e+001 -8.750000e+001 18.7 390.0 37.5 -8.250000e+001 1.840000e+001 391.0 37.5 -77.5 1.859000e+001 405 37.5 -7.5 15.4 406 3.750000e+001 -2.5 16.4 407.0 3.250000e+001 2.500000e+000 18.5 413.0 32.5 3.250000e+001 1.361000e+001 415.0 32.5 42.5 1.705000e+001 416 32.5 47.5 17.7 417 3.250000e+001 52.5 17.4 418.0 3.250000e+001 5.750000e+001 19.6 419.0 32.5 6.250000e+001 1.982000e+001 420.0 32.5 67.5 1.665000e+001 421 32.5 72.5 19.9 422 3.250000e+001 77.5 20.0 423.0 3.250000e+001 8.250000e+001 16.7 424.0 32.5 8.750000e+001 1.568000e+001 425.0 32.5 92.5 1.604000e+001 426 32.5 97.5 16.4 427 3.250000e+001 102.5 17.3 457.0 3.250000e+001 -1.075000e+002 17.2 458.0 32.5 -1.025000e+002 1.808000e+001 459.0 32.5 -97.5 1.841000e+001 460 32.5 -92.5 18.3 461 3.250000e+001 -87.5 17.4 462.0 3.250000e+001 -8.250000e+001 17.2 477.0 32.5 -7.500000e+000 1.737000e+001 478.0 32.5 -2.5 1.802000e+001 487 27.5 42.5 19.2 488 2.750000e+001 47.5 20.5 489.0 2.750000e+001 5.250000e+001 16.6 490.0 27.5 5.750000e+001 2.079000e+001 491.0 27.5 62.5 1.810000e+001 492 27.5 67.5 20.2 493 2.750000e+001 72.5 20.1 494.0 2.750000e+001 7.750000e+001 19.7 495.0 27.5 8.250000e+001 2.217000e+001 496.0 27.5 87.5 1.750000e+001 497 27.5 92.5 17.1 498 2.750000e+001 97.5 14.7 499.0 2.750000e+001 1.025000e+002 17.4 500.0 27.5 1.075000e+002 1.300000e-001 502.0 27.5 117.5 1.756000e+001 505 27.5 132.5 12.8 530 2.750000e+001 -102.5 17.0 532.0 2.750000e+001 -9.250000e+001 14.9 534.0 27.5 -8.250000e+001 1.680000e+001 535.0 27.5 -77.5 1.440000e+001 552 22.5 7.5 19.5 559 2.250000e+001 42.5 17.0 560.0 2.250000e+001 4.750000e+001 19.8 562.0 22.5 5.750000e+001 1.772000e+001 566.0 22.5 77.5 1.920000e+001 567 22.5 82.5 19.0 568 2.250000e+001 87.5 18.9 569.0 2.250000e+001 9.250000e+001 20.8 570.0 22.5 9.750000e+001 1.788000e+001 571.0 22.5 102.5 1.805000e+001 572 22.5 107.5 17.3 573 2.250000e+001 112.5 15.7 574.0 2.250000e+001 1.175000e+002 16.0 576.0 22.5 1.275000e+002 1.294000e+001 581.0 22.5 152.5 1.255000e+001 602 22.5 -102.5 17.7 603 2.250000e+001 -97.5 16.1 605.0 2.250000e+001 -8.750000e+001 16.6 606.0 22.5 -8.250000e+001 1.642000e+001 607.0 22.5 -77.5 1.558000e+001 608 22.5 -72.5 13.5 623 1.750000e+001 2.5 22.2 624.0 1.750000e+001 7.500000e+000 17.6 630.0 17.5 3.750000e+001 1.797000e+001 631.0 17.5 42.5 1.711000e+001 632 17.5 47.5 20.3 637 1.750000e+001 72.5 17.8 638.0 1.750000e+001 7.750000e+001 19.8 639.0 17.5 8.250000e+001 1.885000e+001 641.0 17.5 92.5 1.518000e+001 642 17.5 97.5 17.2 643 1.750000e+001 102.5 17.9 644.0 1.750000e+001 1.075000e+002 16.6 645.0 17.5 1.125000e+002 1.608000e+001 646.0 17.5 117.5 1.989000e+001 647 17.5 122.5 18.1 674 1.750000e+001 -102.5 16.3 675.0 1.750000e+001 -9.750000e+001 16.6 676.0 17.5 -9.250000e+001 1.674000e+001 677.0 17.5 -87.5 1.899000e+001 679 17.5 -77.5 15.9 680 1.750000e+001 -72.5 18.9 681.0 1.750000e+001 -6.750000e+001 16.6 693.0 17.5 -7.500000e+000 2.194000e+001 695.0 12.5 2.5 2.013000e+001 696 12.5 7.5 19.7 697 1.250000e+001 12.5 18.4 698.0 1.250000e+001 1.750000e+001 19.1 701.0 12.5 3.250000e+001 2.002000e+001 702.0 12.5 37.5 1.822000e+001 703 12.5 42.5 16.8 704 1.250000e+001 47.5 17.4 709.0 1.250000e+001 7.250000e+001 19.2 710.0 12.5 7.750000e+001 1.932000e+001 711.0 12.5 82.5 1.825000e+001 713 12.5 92.5 15.7 714 1.250000e+001 97.5 16.2 715.0 1.250000e+001 1.025000e+002 16.5 716.0 12.5 1.075000e+002 1.693000e+001 719.0 12.5 122.5 1.646000e+001 720 12.5 127.5 14.7 723 1.250000e+001 142.5 12.9 748.0 1.250000e+001 -9.250000e+001 18.1 749.0 12.5 -8.750000e+001 1.891000e+001 751.0 12.5 -77.5 1.611000e+001 752 12.5 -72.5 16.5 753 1.250000e+001 -67.5 16.3 754.0 1.250000e+001 -6.250000e+001 15.0 764.0 12.5 -1.250000e+001 2.210000e+001 765.0 12.5 -7.5 1.997000e+001 766 12.5 -2.5 19.5 767 7.500000e+000 2.5 18.6 768.0 7.500000e+000 7.500000e+000 18.4 769.0 7.5 1.250000e+001 1.911000e+001 770.0 7.5 17.5 1.970000e+001 771 7.5 22.5 20.5 774 7.500000e+000 37.5 17.9 775.0 7.500000e+000 4.250000e+001 17.2 781.0 7.5 7.250000e+001 2.530000e+000 782.0 7.5 77.5 1.802000e+001 783 7.5 82.5 17.3 786 7.500000e+000 97.5 17.9 787.0 7.500000e+000 1.025000e+002 17.4 788.0 7.5 1.075000e+002 1.532000e+001 789.0 7.5 112.5 4.260000e+000 790 7.5 117.5 15.5 791 7.500000e+000 122.5 16.5 792.0 7.500000e+000 1.275000e+002 18.7 793.0 7.5 1.325000e+002 1.401000e+001 794.0 7.5 137.5 1.329000e+001 797 7.5 152.5 12.4 798 7.500000e+000 157.5 2.8 801.0 7.500000e+000 1.725000e+002 12.6 822.0 7.5 -8.250000e+001 1.616000e+001 823.0 7.5 -77.5 1.331000e+001 824 7.5 -72.5 16.6 825 7.500000e+000 -67.5 19.9 826.0 7.500000e+000 -6.250000e+001 14.1 827.0 7.5 -5.750000e+001 1.540000e+001 837.0 7.5 -7.5 1.953000e+001 838 7.5 -2.5 19.0 840 2.500000e+000 7.5 18.6 841.0 2.500000e+000 1.250000e+001 19.5 842.0 2.5 1.750000e+001 1.927000e+001 846.0 2.5 37.5 1.733000e+001 847 2.5 42.5 18.1 848 2.500000e+000 47.5 15.1 853.0 2.500000e+000 7.250000e+001 13.5 858.0 2.5 9.750000e+001 2.089000e+001 859.0 2.5 102.5 1.512000e+001 861 2.5 112.5 16.0 862 2.500000e+000 117.5 0.1 863.0 2.500000e+000 1.225000e+002 19.5 879.0 2.5 -1.575000e+002 2.590000e+000 895.0 2.5 -77.5 1.858000e+001 896 2.5 -72.5 16.4 898 2.500000e+000 -62.5 19.4 899.0 2.500000e+000 -5.750000e+001 17.3 900.0 2.5 -5.250000e+001 1.519000e+001 909.0 2.5 -7.5 1.553000e+001 910 2.5 -2.5 18.0 912 -2.500000e+000 7.5 18.6 913.0 -2.500000e+000 1.250000e+001 18.9 914.0 -2.5 1.750000e+001 1.912000e+001 917.0 -2.5 32.5 1.677000e+001 918 -2.5 37.5 16.9 919 -2.500000e+000 42.5 14.6 922.0 -2.500000e+000 5.750000e+001 13.8 925.0 -2.5 7.250000e+001 1.268000e+001 931.0 -2.5 102.5 1.971000e+001 932 -2.5 107.5 19.3 933 -2.500000e+000 112.5 19.9 934.0 -2.500000e+000 1.175000e+002 20.8 936.0 -2.5 1.275000e+002 1.650000e+000 938.0 -2.5 137.5 9.030000e+000 939 -2.5 142.5 19.8 972 -2.500000e+000 -52.5 2.0 973.0 -2.500000e+000 -4.750000e+001 16.1 974.0 -2.5 -4.250000e+001 1.738000e+001 990.0 -7.5 37.5 1.522000e+001 992 -7.5 47.5 13.9 997 -7.500000e+000 72.5 10.2 1004.0 -7.500000e+000 1.075000e+002 19.4 1005.0 -7.5 1.125000e+002 1.981000e+001 1006.0 -7.5 117.5 1.822000e+001 1009 -7.5 132.5 13.7 1011 -7.500000e+000 142.5 19.2 1012.0 -7.500000e+000 1.475000e+002 17.4 1015.0 -7.5 1.625000e+002 1.628000e+001 1020.0 -7.5 -172.5 2.223000e+001 1062 -12.5 37.5 18.2 1063 -1.250000e+001 42.5 17.8 1064.0 -1.250000e+001 4.750000e+001 19.1 1065.0 -12.5 5.250000e+001 1.824000e+001 1066.0 -12.5 57.5 1.307000e+001 1074 -12.5 97.5 12.6 1079 -1.250000e+001 122.5 17.2 1081.0 -1.250000e+001 1.325000e+002 17.6 1082.0 -12.5 1.375000e+002 1.375000e+001 1083.0 -12.5 142.5 1.539000e+001 1088 -12.5 167.5 10.2 1091 -1.250000e+001 -177.5 13.4 1092.0 -1.250000e+001 -1.725000e+002 15.3 1094.0 -12.5 -1.625000e+002 4.220000e+000 1097.0 -12.5 -147.5 1.354000e+001 1130 -17.5 17.5 17.7 1132 -1.750000e+001 27.5 19.4 1133.0 -1.750000e+001 3.250000e+001 18.4 1134.0 -17.5 3.750000e+001 1.840000e+001 1135.0 -17.5 42.5 1.942000e+001 1136 -17.5 47.5 18.8 1137 -1.750000e+001 52.5 13.1 1138.0 -1.750000e+001 5.750000e+001 12.7 1139.0 -17.5 6.250000e+001 1.126000e+001 1151.0 -17.5 122.5 1.889000e+001 1152 -17.5 127.5 21.5 1153 -1.750000e+001 132.5 18.7 1154.0 -1.750000e+001 1.375000e+002 15.6 1155.0 -17.5 1.425000e+002 1.841000e+001 1156.0 -17.5 147.5 1.866000e+001 1160 -17.5 167.5 16.2 1162 -1.750000e+001 177.5 17.0 1163.0 -1.750000e+001 -1.775000e+002 15.6 1164.0 -17.5 -1.725000e+002 1.036000e+001 1165.0 -17.5 -167.5 1.390000e+001 1166 -17.5 -162.5 6.8 1185 -1.750000e+001 -67.5 16.5 1189.0 -1.750000e+001 -4.750000e+001 17.4 1201.0 -22.5 1.250000e+001 1.546000e+001 1202.0 -22.5 17.5 1.851000e+001 1203 -22.5 22.5 20.7 1204 -2.250000e+001 27.5 17.5 1205.0 -2.250000e+001 3.250000e+001 19.2 1207.0 -22.5 4.250000e+001 1.869000e+001 1208.0 -22.5 47.5 1.874000e+001 1210 -22.5 57.5 14.3 1221 -2.250000e+001 112.5 17.9 1222.0 -2.250000e+001 1.175000e+002 19.5 1225.0 -22.5 1.325000e+002 1.637000e+001 1226.0 -22.5 137.5 1.657000e+001 1227 -22.5 142.5 18.0 1229 -2.250000e+001 152.5 14.8 1231.0 -2.250000e+001 1.625000e+002 15.9 1232.0 -22.5 1.675000e+002 1.708000e+001 1241.0 -22.5 -147.5 1.528000e+001 1243 -22.5 -137.5 12.6 1244 -2.250000e+001 -132.5 11.3 1257.0 -2.250000e+001 -6.750000e+001 18.6 1259.0 -22.5 -5.750000e+001 2.117000e+001 1260.0 -22.5 -52.5 1.760000e+001 1274 -27.5 17.5 16.4 1275 -2.750000e+001 22.5 18.8 1276.0 -2.750000e+001 2.750000e+001 17.1 1277.0 -27.5 3.250000e+001 1.716000e+001 1280.0 -27.5 47.5 1.772000e+001 1293 -27.5 112.5 17.6 1296 -2.750000e+001 127.5 20.8 1299.0 -2.750000e+001 1.425000e+002 16.5 1300.0 -27.5 1.475000e+002 1.663000e+001 1330.0 -27.5 -62.5 2.348000e+001 1347 -32.5 22.5 17.8 1348 -3.250000e+001 27.5 17.7 1367.0 -3.250000e+001 1.225000e+002 19.2 1372.0 -32.5 1.475000e+002 1.747000e+001 1377.0 -32.5 172.5 1.425000e+001 1401 -32.5 -67.5 21.0 1402 -3.250000e+001 -62.5 0.3 1442.0 -3.750000e+001 1.375000e+002 13.1 1444.0 -37.5 1.475000e+002 1.659000e+001 1449.0 -37.5 172.5 1.563000e+001 1450 -37.5 177.5 15.9 1473 -3.750000e+001 -67.5 18.8 1474.0 -3.750000e+001 -6.250000e+001 23.3 1521.0 -42.5 1.725000e+002 1.406000e+001 1522.0 -42.5 177.5 1.750000e+001 1523 -42.5 -177.5 12.2 1545 -4.250000e+001 -67.5 16.5 1592.0 -4.750000e+001 1.675000e+002 15.8 1646.0 -52.5 155 1.362000e+001 1647.0 -52.5 165.0 1.483000e+001 1661 -52.5 -55.0 13.2