Stratus Average Base Height (meters) December, January, February (1971 - 1996) Night, Land Areas Only Global Average: 422 Zonal Averages 34 zones Lat.N Average 82.5 585 77.5 397 72.5 202 67.5 410 62.5 360 57.5 344 52.5 327 47.5 390 42.5 453 37.5 426 32.5 427 27.5 428 22.5 461 17.5 382 12.5 431 7.5 328 2.5 411 -2.5 471 -7.5 585 -12.5 661 -17.5 398 -22.5 448 -27.5 459 -32.5 421 -37.5 380 -42.5 546 -47.5 517 -52.5 520 -62.5 315 -67.5 437 -72.5 387 -77.5 524 -82.5 457 -87.5 408 Grid Box Averages 605 boxes filled with min 30 obs. Box # Lat.N Lon.E Average N.Obs. 2 82.5 20.0 289 53 3 82.5 60.0 277 224 9 82.5 -60.0 675 38 11 77.5 10.0 369 191 12 77.5 30.0 396 410 14 77.5 70.0 287 164 15 77.5 90.0 293 277 16 77.5 110.0 311 159 23 77.5 -110.0 390 36 25 77.5 -70.0 520 56 28 77.5 -10.0 397 189 29 72.5 10.0 402 366 30 72.5 30.0 515 806 31 72.5 50.0 287 214 32 72.5 70.0 292 301 33 72.5 90.0 221 275 34 72.5 110.0 296 91 35 72.5 130.0 435 111 36 72.5 150.0 359 133 38 72.5 -170.0 298 48 39 72.5 -150.0 478 578 40 72.5 -130.0 354 68 43 72.5 -70.0 444 33 45 72.5 -30.0 132 243 46 72.5 -10.0 320 446 48 67.5 15.0 345 4243 49 67.5 25.0 332 10796 50 67.5 35.0 363 6961 51 67.5 45.0 340 3375 52 67.5 55.0 358 3235 53 67.5 65.0 378 1455 54 67.5 75.0 377 387 55 67.5 85.0 464 434 59 67.5 125.0 467 36 62 67.5 155.0 431 222 63 67.5 165.0 410 132 64 67.5 175.0 467 113 65 67.5 -175.0 348 311 66 67.5 -165.0 407 533 69 67.5 -135.0 384 134 70 67.5 -125.0 492 102 71 67.5 -115.0 563 70 72 67.5 -105.0 331 48 73 67.5 -95.0 475 57 74 67.5 -85.0 420 109 75 67.5 -75.0 484 69 76 67.5 -65.0 398 122 77 67.5 -55.0 638 941 78 67.5 -45.0 655 125 79 67.5 -35.0 371 869 80 67.5 -25.0 463 727 81 67.5 -15.0 497 2054 83 62.5 5.0 504 3675 84 62.5 15.0 264 11280 85 62.5 25.0 282 25850 86 62.5 35.0 339 7541 87 62.5 45.0 308 7983 88 62.5 55.0 346 4923 89 62.5 65.0 497 999 90 62.5 75.0 428 1260 91 62.5 85.0 591 524 92 62.5 95.0 621 320 94 62.5 115.0 609 135 95 62.5 125.0 729 63 96 62.5 135.0 1607 38 97 62.5 145.0 671 77 98 62.5 155.0 742 193 99 62.5 165.0 556 231 100 62.5 175.0 362 405 101 62.5 -175.0 386 220 102 62.5 -165.0 318 158 103 62.5 -155.0 368 313 104 62.5 -145.0 298 195 105 62.5 -135.0 376 225 106 62.5 -125.0 376 151 107 62.5 -115.0 325 229 109 62.5 -95.0 267 67 110 62.5 -85.0 367 52 111 62.5 -75.0 357 95 112 62.5 -65.0 303 51 113 62.5 -55.0 497 531 114 62.5 -45.0 585 661 116 62.5 -25.0 395 1668 117 62.5 -15.0 520 530 118 62.5 -5.0 284 1572 119 57.5 5.0 359 8972 120 57.5 15.0 256 29051 121 57.5 25.0 333 15923 122 57.5 35.0 331 10961 123 57.5 45.0 314 7131 124 57.5 55.0 371 3877 125 57.5 65.0 433 2626 126 57.5 75.0 411 3013 127 57.5 85.0 454 2174 128 57.5 95.0 762 584 129 57.5 105.0 481 784 130 57.5 115.0 1285 82 132 57.5 135.0 775 85 133 57.5 145.0 692 116 134 57.5 155.0 445 201 135 57.5 165.0 456 177 137 57.5 -175.0 268 163 138 57.5 -165.0 288 161 139 57.5 -155.0 400 446 141 57.5 -135.0 353 359 142 57.5 -125.0 315 323 143 57.5 -115.0 375 401 144 57.5 -105.0 310 318 145 57.5 -95.0 316 225 147 57.5 -75.0 412 96 148 57.5 -65.0 317 62 154 57.5 -5.0 319 5266 155 52.5 5.0 238 42452 156 52.5 15.0 313 27989 157 52.5 25.0 270 16874 158 52.5 35.0 298 19211 159 52.5 45.0 312 7793 160 52.5 55.0 360 4669 161 52.5 65.0 422 3826 162 52.5 75.0 394 3290 163 52.5 85.0 611 2255 164 52.5 95.0 881 376 165 52.5 105.0 687 1167 166 52.5 115.0 670 445 167 52.5 125.0 735 77 168 52.5 135.0 704 365 169 52.5 145.0 574 443 170 52.5 155.0 454 474 173 52.5 -175.0 405 165 177 52.5 -135.0 346 623 178 52.5 -125.0 334 1474 179 52.5 -115.0 362 1053 180 52.5 -105.0 312 1119 181 52.5 -95.0 308 374 182 52.5 -85.0 397 168 183 52.5 -75.0 338 112 184 52.5 -65.0 347 313 185 52.5 -55.0 349 382 189 52.5 -15.0 371 635 190 52.5 -5.0 258 24754 191 47.5 2.5 208 8245 192 47.5 7.5 271 11727 193 47.5 12.5 399 15955 194 47.5 17.5 504 20759 195 47.5 22.5 463 11583 196 47.5 27.5 355 12357 197 47.5 32.5 331 11708 198 47.5 37.5 364 12626 199 47.5 42.5 317 10596 200 47.5 47.5 472 3326 201 47.5 52.5 434 1498 202 47.5 57.5 623 1584 203 47.5 62.5 542 1668 204 47.5 67.5 552 975 205 47.5 72.5 600 1848 206 47.5 77.5 597 603 207 47.5 82.5 535 748 208 47.5 87.5 722 347 209 47.5 92.5 778 231 212 47.5 107.5 985 32 216 47.5 127.5 807 60 217 47.5 132.5 851 132 218 47.5 137.5 685 742 219 47.5 142.5 480 461 220 47.5 147.5 481 160 221 47.5 152.5 443 604 238 47.5 -122.5 303 2118 239 47.5 -117.5 364 1063 240 47.5 -112.5 394 408 241 47.5 -107.5 466 225 242 47.5 -102.5 351 375 243 47.5 -97.5 332 392 244 47.5 -92.5 423 611 245 47.5 -87.5 463 616 246 47.5 -82.5 308 410 247 47.5 -77.5 252 417 248 47.5 -72.5 286 304 249 47.5 -67.5 296 427 250 47.5 -62.5 251 268 251 47.5 -57.5 290 737 252 47.5 -52.5 260 1192 261 47.5 -7.5 440 1032 262 47.5 -2.5 282 6647 263 42.5 2.5 377 2504 264 42.5 7.5 548 2338 265 42.5 12.5 365 3405 266 42.5 17.5 624 4048 267 42.5 22.5 576 8234 268 42.5 27.5 454 11410 269 42.5 32.5 389 1605 270 42.5 37.5 480 1844 271 42.5 42.5 503 7578 272 42.5 47.5 513 2889 273 42.5 52.5 543 1149 274 42.5 57.5 546 1416 275 42.5 62.5 615 1208 276 42.5 67.5 514 1991 277 42.5 72.5 590 2440 278 42.5 77.5 689 1010 279 42.5 82.5 532 534 280 42.5 87.5 658 303 281 42.5 92.5 1573 52 282 42.5 97.5 1112 31 285 42.5 112.5 1018 48 286 42.5 117.5 812 32 287 42.5 122.5 650 314 288 42.5 127.5 559 283 289 42.5 132.5 532 559 290 42.5 137.5 503 65 291 42.5 142.5 512 42 292 42.5 147.5 387 346 310 42.5 -122.5 351 742 311 42.5 -117.5 504 162 312 42.5 -112.5 438 385 313 42.5 -107.5 471 111 314 42.5 -102.5 336 275 315 42.5 -97.5 353 824 316 42.5 -92.5 331 287 317 42.5 -87.5 310 1232 318 42.5 -82.5 323 1505 319 42.5 -77.5 311 539 320 42.5 -72.5 514 977 321 42.5 -67.5 391 427 322 42.5 -62.5 245 350 333 42.5 -7.5 374 4255 334 42.5 -2.5 394 4782 335 37.5 2.5 282 1013 336 37.5 7.5 312 908 337 37.5 12.5 451 394 338 37.5 17.5 515 803 339 37.5 22.5 427 1150 340 37.5 27.5 460 1179 341 37.5 32.5 385 1670 342 37.5 37.5 426 2396 343 37.5 42.5 393 1113 344 37.5 47.5 558 1837 345 37.5 52.5 647 1131 346 37.5 57.5 495 2623 347 37.5 62.5 434 1336 348 37.5 67.5 418 2094 349 37.5 72.5 724 744 350 37.5 77.5 1125 53 354 37.5 97.5 1372 37 355 37.5 102.5 679 173 356 37.5 107.5 731 498 357 37.5 112.5 595 256 358 37.5 117.5 579 468 359 37.5 122.5 471 712 360 37.5 127.5 630 2918 361 37.5 132.5 498 525 362 37.5 137.5 509 223 363 37.5 142.5 606 119 382 37.5 -122.5 344 232 383 37.5 -117.5 441 276 384 37.5 -112.5 610 42 385 37.5 -107.5 449 115 386 37.5 -102.5 343 374 387 37.5 -97.5 352 758 388 37.5 -92.5 358 1446 389 37.5 -87.5 329 1193 390 37.5 -82.5 292 1832 391 37.5 -77.5 269 1366 401 37.5 -27.5 227 399 405 37.5 -7.5 386 2147 406 37.5 -2.5 537 2568 407 32.5 2.5 407 489 408 32.5 7.5 853 114 409 32.5 12.5 1084 184 411 32.5 22.5 528 409 413 32.5 32.5 565 174 414 32.5 37.5 372 632 415 32.5 42.5 474 33 416 32.5 47.5 770 215 417 32.5 52.5 569 66 418 32.5 57.5 668 35 419 32.5 62.5 386 40 420 32.5 67.5 590 182 421 32.5 72.5 628 256 422 32.5 77.5 1183 32 425 32.5 92.5 969 55 426 32.5 97.5 808 353 427 32.5 102.5 688 978 428 32.5 107.5 707 1313 429 32.5 112.5 459 2322 430 32.5 117.5 398 2107 431 32.5 122.5 345 1755 432 32.5 127.5 670 1107 433 32.5 132.5 650 54 434 32.5 137.5 597 208 455 32.5 -117.5 347 288 456 32.5 -112.5 482 38 457 32.5 -107.5 644 107 458 32.5 -102.5 294 487 459 32.5 -97.5 314 982 460 32.5 -92.5 265 968 461 32.5 -87.5 257 1028 462 32.5 -82.5 238 3026 466 32.5 -62.5 484 65 477 32.5 -7.5 380 1671 478 32.5 -2.5 492 221 487 27.5 42.5 658 119 488 27.5 47.5 657 41 489 27.5 52.5 507 76 491 27.5 62.5 862 136 494 27.5 77.5 660 154 495 27.5 82.5 219 214 496 27.5 87.5 517 165 497 27.5 92.5 505 635 498 27.5 97.5 526 312 499 27.5 102.5 405 2073 500 27.5 107.5 427 7400 501 27.5 112.5 417 6245 502 27.5 117.5 379 3252 503 27.5 122.5 469 4349 515 27.5 -177.5 481 121 527 27.5 -117.5 461 255 528 27.5 -112.5 831 89 529 27.5 -107.5 600 236 530 27.5 -102.5 336 934 531 27.5 -97.5 256 1181 532 27.5 -92.5 286 424 534 27.5 -82.5 251 611 535 27.5 -77.5 522 87 547 27.5 -17.5 403 165 548 27.5 -12.5 529 74 559 22.5 42.5 581 32 560 22.5 47.5 555 99 561 22.5 52.5 422 61 562 22.5 57.5 514 108 564 22.5 67.5 878 97 566 22.5 77.5 676 95 567 22.5 82.5 482 76 568 22.5 87.5 421 204 569 22.5 92.5 319 1200 570 22.5 97.5 461 858 571 22.5 102.5 554 635 572 22.5 107.5 401 2788 573 22.5 112.5 425 1335 574 22.5 117.5 424 1792 575 22.5 122.5 499 8549 591 22.5 -157.5 508 42 601 22.5 -107.5 755 44 602 22.5 -102.5 536 482 603 22.5 -97.5 449 1735 605 22.5 -87.5 454 308 606 22.5 -82.5 504 149 607 22.5 -77.5 471 54 608 22.5 -72.5 502 72 619 22.5 -17.5 447 81 630 17.5 37.5 311 154 631 17.5 42.5 428 284 633 17.5 52.5 478 44 637 17.5 72.5 632 34 638 17.5 77.5 501 106 641 17.5 92.5 424 46 642 17.5 97.5 350 232 643 17.5 102.5 735 70 644 17.5 107.5 477 389 645 17.5 112.5 489 139 647 17.5 122.5 474 120 672 17.5 -112.5 890 41 674 17.5 -102.5 507 158 675 17.5 -97.5 459 1072 676 17.5 -92.5 360 2130 677 17.5 -87.5 301 795 691 17.5 -17.5 495 43 702 12.5 37.5 268 45 710 12.5 77.5 390 775 711 12.5 82.5 453 46 714 12.5 97.5 605 61 715 12.5 102.5 681 66 716 12.5 107.5 553 84 719 12.5 122.5 544 206 720 12.5 127.5 476 40 748 12.5 -92.5 271 819 749 12.5 -87.5 365 414 750 12.5 -82.5 895 73 751 12.5 -77.5 546 140 752 12.5 -72.5 426 187 753 12.5 -67.5 515 996 754 12.5 -62.5 348 132 763 12.5 -17.5 784 35 767 7.5 2.5 207 706 775 7.5 42.5 424 31 782 7.5 77.5 519 174 783 7.5 82.5 302 547 785 7.5 92.5 504 47 786 7.5 97.5 557 292 787 7.5 102.5 497 176 791 7.5 122.5 468 199 801 7.5 172.5 444 33 822 7.5 -82.5 727 86 823 7.5 -77.5 418 49 824 7.5 -72.5 369 592 826 7.5 -62.5 315 216 827 7.5 -57.5 163 106 828 7.5 -52.5 227 32 836 7.5 -12.5 201 44 837 7.5 -7.5 244 503 838 7.5 -2.5 252 477 840 2.5 7.5 439 77 841 2.5 12.5 427 58 842 2.5 17.5 317 33 846 2.5 37.5 265 262 858 2.5 97.5 565 85 859 2.5 102.5 276 442 861 2.5 112.5 147 515 863 2.5 122.5 365 47 873 2.5 172.5 323 116 895 2.5 -77.5 673 49 896 2.5 -72.5 551 94 900 2.5 -52.5 237 115 909 2.5 -7.5 468 48 913 -2.5 12.5 477 138 918 -2.5 37.5 296 364 931 -2.5 102.5 398 193 932 -2.5 107.5 281 140 939 -2.5 142.5 406 45 941 -2.5 152.5 437 43 946 -2.5 177.5 428 84 966 -2.5 -82.5 683 240 967 -2.5 -77.5 705 54 968 -2.5 -72.5 546 276 969 -2.5 -67.5 440 83 970 -2.5 -62.5 441 138 973 -2.5 -47.5 373 39 989 -7.5 32.5 431 36 990 -7.5 37.5 481 39 1004 -7.5 107.5 464 208 1006 -7.5 117.5 518 52 1012 -7.5 147.5 400 219 1018 -7.5 177.5 405 243 1020 -7.5 -172.5 576 583 1023 -7.5 -157.5 512 66 1038 -7.5 -82.5 991 79 1039 -7.5 -77.5 704 1831 1040 -7.5 -72.5 541 187 1042 -7.5 -62.5 554 170 1045 -7.5 -47.5 752 290 1046 -7.5 -42.5 285 94 1060 -12.5 27.5 336 127 1061 -12.5 32.5 369 180 1062 -12.5 37.5 306 215 1064 -12.5 47.5 439 37 1074 -12.5 97.5 332 37 1081 -12.5 132.5 483 263 1082 -12.5 137.5 419 79 1083 -12.5 142.5 640 358 1088 -12.5 167.5 316 109 1090 -12.5 177.5 396 83 1092 -12.5 -172.5 436 138 1094 -12.5 -162.5 527 65 1111 -12.5 -77.5 587 1008 1112 -12.5 -72.5 1165 505 1113 -12.5 -67.5 619 141 1114 -12.5 -62.5 294 135 1115 -12.5 -57.5 1431 53 1116 -12.5 -52.5 861 33 1117 -12.5 -47.5 460 344 1119 -12.5 -37.5 932 90 1129 -17.5 12.5 148 1012 1130 -17.5 17.5 1015 239 1132 -17.5 27.5 250 894 1133 -17.5 32.5 319 958 1134 -17.5 37.5 409 351 1135 -17.5 42.5 537 50 1136 -17.5 47.5 315 176 1151 -17.5 122.5 474 122 1152 -17.5 127.5 914 168 1153 -17.5 132.5 817 151 1155 -17.5 142.5 960 194 1156 -17.5 147.5 499 128 1160 -17.5 167.5 404 212 1162 -17.5 177.5 455 165 1163 -17.5 -177.5 522 294 1164 -17.5 -172.5 586 879 1165 -17.5 -167.5 578 413 1166 -17.5 -162.5 485 86 1183 -17.5 -77.5 488 292 1184 -17.5 -72.5 700 324 1185 -17.5 -67.5 411 419 1186 -17.5 -62.5 211 323 1187 -17.5 -57.5 209 110 1188 -17.5 -52.5 530 72 1189 -17.5 -47.5 272 459 1190 -17.5 -42.5 280 181 1197 -17.5 -7.5 194 128 1201 -22.5 12.5 207 730 1202 -22.5 17.5 1064 142 1204 -22.5 27.5 331 516 1205 -22.5 32.5 224 945 1206 -22.5 37.5 487 56 1207 -22.5 42.5 670 38 1208 -22.5 47.5 295 171 1210 -22.5 57.5 327 41 1221 -22.5 112.5 445 93 1222 -22.5 117.5 496 139 1225 -22.5 132.5 426 56 1226 -22.5 137.5 1602 40 1227 -22.5 142.5 711 148 1228 -22.5 147.5 744 225 1229 -22.5 152.5 488 140 1232 -22.5 167.5 425 165 1235 -22.5 -177.5 360 100 1239 -22.5 -157.5 308 184 1256 -22.5 -72.5 745 66 1257 -22.5 -67.5 431 465 1258 -22.5 -62.5 474 64 1259 -22.5 -57.5 346 49 1260 -22.5 -52.5 171 698 1261 -22.5 -47.5 240 823 1262 -22.5 -42.5 299 240 1274 -27.5 17.5 247 1416 1275 -27.5 22.5 1296 223 1276 -27.5 27.5 281 683 1277 -27.5 32.5 349 766 1293 -27.5 112.5 516 186 1295 -27.5 122.5 1010 56 1298 -27.5 137.5 858 108 1299 -27.5 142.5 1067 47 1300 -27.5 147.5 1062 90 1301 -27.5 152.5 320 116 1304 -27.5 167.5 209 300 1307 -27.5 -177.5 227 180 1314 -27.5 -142.5 455 38 1328 -27.5 -72.5 400 262 1329 -27.5 -67.5 482 555 1330 -27.5 -62.5 484 519 1331 -27.5 -57.5 376 1093 1332 -27.5 -52.5 280 718 1333 -27.5 -47.5 192 1362 1346 -32.5 17.5 356 1440 1347 -32.5 22.5 381 1890 1348 -32.5 27.5 269 1907 1349 -32.5 32.5 356 80 1366 -32.5 117.5 429 229 1367 -32.5 122.5 387 170 1368 -32.5 127.5 541 130 1369 -32.5 132.5 470 139 1370 -32.5 137.5 721 241 1371 -32.5 142.5 519 77 1372 -32.5 147.5 596 39 1373 -32.5 152.5 389 184 1377 -32.5 172.5 236 135 1399 -32.5 -77.5 569 80 1400 -32.5 -72.5 483 153 1401 -32.5 -67.5 725 944 1402 -32.5 -62.5 455 1325 1403 -32.5 -57.5 335 2790 1404 -32.5 -52.5 297 655 1430 -37.5 77.5 342 285 1442 -37.5 137.5 424 86 1443 -37.5 142.5 359 494 1444 -37.5 147.5 266 467 1445 -37.5 152.5 583 60 1449 -37.5 172.5 359 328 1450 -37.5 177.5 355 437 1472 -37.5 -72.5 370 742 1473 -37.5 -67.5 935 116 1474 -37.5 -62.5 513 788 1475 -37.5 -57.5 308 905 1516 -42.5 147.5 434 354 1520 -42.5 167.5 529 70 1521 -42.5 172.5 351 1758 1522 -42.5 177.5 390 93 1523 -42.5 -177.5 202 330 1544 -42.5 -72.5 486 382 1545 -42.5 -67.5 993 345 1546 -42.5 -62.5 536 239 1557 -42.5 -7.5 335 660 1566 -47.5 37.5 274 1334 1569 -47.5 52.5 231 256 1573 -47.5 72.5 323 171 1592 -47.5 167.5 311 605 1593 -47.5 172.5 334 439 1616 -47.5 -72.5 742 244 1617 -47.5 -67.5 576 276 1646 -52.5 155.0 215 801 1647 -52.5 165.0 232 551 1659 -52.5 -75.0 499 1581 1660 -52.5 -65.0 707 963 1661 -52.5 -55.0 275 351 1732 -62.5 -65.0 459 343 1733 -62.5 -55.0 220 5833 1734 -62.5 -45.0 245 2722 1742 -67.5 35.0 465 100 1743 -67.5 45.0 358 152 1745 -67.5 65.0 515 142 1746 -67.5 75.0 469 224 1748 -67.5 95.0 362 203 1750 -67.5 115.0 463 262 1753 -67.5 145.0 377 90 1754 -67.5 155.0 250 342 1768 -67.5 -65.0 510 1724 1775 -72.5 10.0 456 123 1786 -72.5 -130.0 295 110 1789 -72.5 -70.0 420 264 1792 -72.5 -10.0 308 789 1798 -77.5 110.0 368 46 1801 -77.5 170.0 676 1515 1806 -77.5 -90.0 731 229 1808 -77.5 -50.0 293 146 1809 -77.5 -30.0 392 1722 1817 -82.5 -100.0 492 220 1820 -87.5 0.0 408 88