Stratus Average Base Height (meters) September, October, November (1971 - 1996) Night, Land Areas Only Global Average: 411 Zonal Averages 34 zones Lat.N Average 82.5 351 77.5 278 72.5 220 67.5 391 62.5 365 57.5 365 52.5 336 47.5 392 42.5 460 37.5 436 32.5 430 27.5 460 22.5 461 17.5 439 12.5 441 7.5 337 2.5 322 -2.5 444 -7.5 658 -12.5 717 -17.5 313 -22.5 336 -27.5 373 -32.5 385 -37.5 385 -42.5 561 -47.5 480 -52.5 514 -62.5 380 -67.5 497 -72.5 346 -77.5 616 -82.5 517 -87.5 459 Grid Box Averages 613 boxes filled with min 30 obs. Box # Lat.N Lon.E Average N.Obs. 2 82.5 20.0 239 362 3 82.5 60.0 223 1974 8 82.5 -100.0 448 288 9 82.5 -60.0 369 279 11 77.5 10.0 355 543 12 77.5 30.0 290 1119 14 77.5 70.0 221 1478 15 77.5 90.0 243 4057 16 77.5 110.0 246 3161 17 77.5 130.0 250 563 18 77.5 150.0 240 583 23 77.5 -110.0 290 326 25 77.5 -70.0 334 257 28 77.5 -10.0 329 817 29 72.5 10.0 296 1048 30 72.5 30.0 470 2262 31 72.5 50.0 235 568 32 72.5 70.0 262 2100 33 72.5 90.0 235 1327 34 72.5 110.0 290 1774 35 72.5 130.0 327 2283 36 72.5 150.0 262 1480 37 72.5 170.0 255 760 38 72.5 -170.0 308 330 39 72.5 -150.0 337 1491 40 72.5 -130.0 231 139 42 72.5 -90.0 219 378 43 72.5 -70.0 297 227 45 72.5 -30.0 112 338 46 72.5 -10.0 249 947 48 67.5 15.0 359 6730 49 67.5 25.0 360 16627 50 67.5 35.0 365 10819 51 67.5 45.0 325 5485 52 67.5 55.0 311 5889 53 67.5 65.0 358 3623 54 67.5 75.0 295 1540 55 67.5 85.0 398 2096 56 67.5 95.0 642 279 57 67.5 105.0 719 125 58 67.5 115.0 439 221 59 67.5 125.0 432 944 60 67.5 135.0 661 456 62 67.5 155.0 387 1167 63 67.5 165.0 373 1594 64 67.5 175.0 384 1007 65 67.5 -175.0 303 1561 66 67.5 -165.0 362 782 68 67.5 -145.0 361 54 69 67.5 -135.0 317 322 70 67.5 -125.0 378 260 71 67.5 -115.0 384 351 72 67.5 -105.0 275 336 73 67.5 -95.0 383 416 74 67.5 -85.0 327 583 75 67.5 -75.0 429 216 76 67.5 -65.0 388 229 77 67.5 -55.0 587 1550 78 67.5 -45.0 608 121 79 67.5 -35.0 405 1338 80 67.5 -25.0 452 1121 81 67.5 -15.0 479 3516 83 62.5 5.0 541 8491 84 62.5 15.0 302 11605 85 62.5 25.0 304 25104 86 62.5 35.0 341 8600 87 62.5 45.0 293 12116 88 62.5 55.0 324 7684 89 62.5 65.0 408 3761 90 62.5 75.0 422 2713 91 62.5 85.0 531 1944 92 62.5 95.0 592 1240 93 62.5 105.0 518 317 94 62.5 115.0 457 631 95 62.5 125.0 455 1233 96 62.5 135.0 552 910 97 62.5 145.0 643 677 98 62.5 155.0 539 957 99 62.5 165.0 424 941 100 62.5 175.0 391 1052 101 62.5 -175.0 403 550 102 62.5 -165.0 306 193 103 62.5 -155.0 403 362 104 62.5 -145.0 303 168 105 62.5 -135.0 322 193 106 62.5 -125.0 283 200 107 62.5 -115.0 293 466 108 62.5 -105.0 373 60 109 62.5 -95.0 273 558 110 62.5 -85.0 287 321 111 62.5 -75.0 250 252 112 62.5 -65.0 253 197 113 62.5 -55.0 454 920 114 62.5 -45.0 452 1651 116 62.5 -25.0 372 2533 117 62.5 -15.0 433 854 118 62.5 -5.0 256 2747 119 57.5 5.0 452 9586 120 57.5 15.0 281 21727 121 57.5 25.0 361 11977 122 57.5 35.0 349 10114 123 57.5 45.0 306 8622 124 57.5 55.0 368 5725 125 57.5 65.0 412 5573 126 57.5 75.0 404 5321 127 57.5 85.0 405 5268 128 57.5 95.0 657 2954 129 57.5 105.0 595 1258 130 57.5 115.0 625 1122 131 57.5 125.0 660 811 132 57.5 135.0 607 1146 133 57.5 145.0 514 811 134 57.5 155.0 358 1020 135 57.5 165.0 385 442 137 57.5 -175.0 237 259 138 57.5 -165.0 270 209 139 57.5 -155.0 454 409 141 57.5 -135.0 334 311 142 57.5 -125.0 277 338 143 57.5 -115.0 333 483 144 57.5 -105.0 324 641 145 57.5 -95.0 285 1012 147 57.5 -75.0 297 338 148 57.5 -65.0 318 133 154 57.5 -5.0 290 8337 155 52.5 5.0 242 39001 156 52.5 15.0 328 16994 157 52.5 25.0 288 11276 158 52.5 35.0 325 13554 159 52.5 45.0 331 5639 160 52.5 55.0 370 4036 161 52.5 65.0 458 3190 162 52.5 75.0 425 4030 163 52.5 85.0 588 4290 164 52.5 95.0 720 2056 165 52.5 105.0 660 2744 166 52.5 115.0 777 1582 167 52.5 125.0 628 2253 168 52.5 135.0 555 5377 169 52.5 145.0 422 2535 170 52.5 155.0 400 1220 173 52.5 -175.0 370 399 177 52.5 -135.0 343 613 178 52.5 -125.0 288 1303 179 52.5 -115.0 316 1130 180 52.5 -105.0 306 1703 181 52.5 -95.0 270 1204 182 52.5 -85.0 281 720 183 52.5 -75.0 250 299 184 52.5 -65.0 275 782 185 52.5 -55.0 321 629 189 52.5 -15.0 334 862 190 52.5 -5.0 255 30761 191 47.5 2.5 216 10554 192 47.5 7.5 258 11384 193 47.5 12.5 440 11145 194 47.5 17.5 505 13005 195 47.5 22.5 463 6913 196 47.5 27.5 378 6336 197 47.5 32.5 361 6020 198 47.5 37.5 386 6750 199 47.5 42.5 363 5430 200 47.5 47.5 537 2005 201 47.5 52.5 585 843 202 47.5 57.5 647 783 203 47.5 62.5 604 780 204 47.5 67.5 626 544 205 47.5 72.5 619 1086 206 47.5 77.5 643 480 207 47.5 82.5 622 617 208 47.5 87.5 807 690 209 47.5 92.5 740 416 210 47.5 97.5 1127 31 211 47.5 102.5 855 86 212 47.5 107.5 716 198 213 47.5 112.5 980 38 214 47.5 117.5 822 256 215 47.5 122.5 713 409 216 47.5 127.5 771 886 217 47.5 132.5 626 2014 218 47.5 137.5 561 4326 219 47.5 142.5 464 2059 220 47.5 147.5 454 270 221 47.5 152.5 398 1184 238 47.5 -122.5 299 1546 239 47.5 -117.5 417 377 240 47.5 -112.5 420 270 241 47.5 -107.5 406 204 242 47.5 -102.5 348 355 243 47.5 -97.5 295 628 244 47.5 -92.5 328 1163 245 47.5 -87.5 364 1567 246 47.5 -82.5 262 1229 247 47.5 -77.5 220 566 248 47.5 -72.5 266 452 249 47.5 -67.5 229 627 250 47.5 -62.5 224 298 251 47.5 -57.5 271 1077 252 47.5 -52.5 233 1524 261 47.5 -7.5 429 949 262 47.5 -2.5 278 8027 263 42.5 2.5 381 5267 264 42.5 7.5 519 2870 265 42.5 12.5 371 2097 266 42.5 17.5 636 2532 267 42.5 22.5 624 4906 268 42.5 27.5 478 6014 269 42.5 32.5 549 588 270 42.5 37.5 522 1004 271 42.5 42.5 527 6771 272 42.5 47.5 592 2739 273 42.5 52.5 568 853 274 42.5 57.5 632 443 275 42.5 62.5 680 338 276 42.5 67.5 620 638 277 42.5 72.5 605 1019 278 42.5 77.5 691 564 279 42.5 82.5 708 523 280 42.5 87.5 872 325 281 42.5 92.5 1385 159 282 42.5 97.5 995 101 283 42.5 102.5 1428 48 284 42.5 107.5 870 87 285 42.5 112.5 874 220 286 42.5 117.5 833 249 287 42.5 122.5 635 1367 288 42.5 127.5 556 4093 289 42.5 132.5 507 3168 290 42.5 137.5 464 418 291 42.5 142.5 481 378 292 42.5 147.5 338 822 310 42.5 -122.5 330 639 311 42.5 -117.5 608 73 312 42.5 -112.5 467 130 313 42.5 -107.5 434 148 314 42.5 -102.5 292 360 315 42.5 -97.5 343 1303 316 42.5 -92.5 343 487 317 42.5 -87.5 299 1978 318 42.5 -82.5 312 1831 319 42.5 -77.5 280 562 320 42.5 -72.5 477 1038 321 42.5 -67.5 361 375 322 42.5 -62.5 242 421 333 42.5 -7.5 388 6344 334 42.5 -2.5 398 7522 335 37.5 2.5 360 1252 336 37.5 7.5 423 776 337 37.5 12.5 402 479 338 37.5 17.5 559 560 339 37.5 22.5 421 708 340 37.5 27.5 502 647 341 37.5 32.5 459 335 342 37.5 37.5 500 452 343 37.5 42.5 484 272 344 37.5 47.5 538 1345 345 37.5 52.5 684 640 346 37.5 57.5 653 442 347 37.5 62.5 546 179 348 37.5 67.5 521 487 349 37.5 72.5 723 219 350 37.5 77.5 1618 55 353 37.5 92.5 875 101 354 37.5 97.5 895 324 355 37.5 102.5 758 1205 356 37.5 107.5 731 1320 357 37.5 112.5 770 782 358 37.5 117.5 591 747 359 37.5 122.5 470 1261 360 37.5 127.5 625 4915 361 37.5 132.5 405 895 362 37.5 137.5 384 936 363 37.5 142.5 469 529 382 37.5 -122.5 325 444 383 37.5 -117.5 672 72 385 37.5 -107.5 576 34 386 37.5 -102.5 306 542 387 37.5 -97.5 330 1074 388 37.5 -92.5 344 1896 389 37.5 -87.5 323 1508 390 37.5 -82.5 291 1812 391 37.5 -77.5 312 1122 401 37.5 -27.5 229 283 405 37.5 -7.5 385 3508 406 37.5 -2.5 565 5108 407 32.5 2.5 466 405 408 32.5 7.5 1163 91 409 32.5 12.5 902 221 411 32.5 22.5 474 446 413 32.5 32.5 450 535 414 32.5 37.5 441 561 421 32.5 72.5 690 67 422 32.5 77.5 827 96 423 32.5 82.5 1186 37 425 32.5 92.5 788 256 426 32.5 97.5 674 1663 427 32.5 102.5 658 1814 428 32.5 107.5 677 2384 429 32.5 112.5 471 2717 430 32.5 117.5 411 2083 431 32.5 122.5 363 1634 432 32.5 127.5 659 1396 433 32.5 132.5 558 173 434 32.5 137.5 545 493 455 32.5 -117.5 359 566 457 32.5 -107.5 664 59 458 32.5 -102.5 297 527 459 32.5 -97.5 341 1427 460 32.5 -92.5 272 1332 461 32.5 -87.5 268 1180 462 32.5 -82.5 247 2374 477 32.5 -7.5 404 4001 478 32.5 -2.5 474 541 487 27.5 42.5 1011 38 489 27.5 52.5 552 47 491 27.5 62.5 839 199 493 27.5 72.5 728 50 494 27.5 77.5 506 354 495 27.5 82.5 277 707 496 27.5 87.5 373 983 497 27.5 92.5 432 1476 498 27.5 97.5 478 686 499 27.5 102.5 506 2665 500 27.5 107.5 467 5658 501 27.5 112.5 432 4399 502 27.5 117.5 412 2806 503 27.5 122.5 510 3565 515 27.5 -177.5 466 85 527 27.5 -117.5 401 207 528 27.5 -112.5 855 82 529 27.5 -107.5 528 334 530 27.5 -102.5 410 1313 531 27.5 -97.5 314 1167 532 27.5 -92.5 332 380 534 27.5 -82.5 288 395 535 27.5 -77.5 549 116 547 27.5 -17.5 302 241 548 27.5 -12.5 449 242 561 22.5 52.5 338 86 562 22.5 57.5 414 173 564 22.5 67.5 798 510 565 22.5 72.5 526 141 566 22.5 77.5 475 660 567 22.5 82.5 470 681 568 22.5 87.5 411 1858 569 22.5 92.5 300 2220 570 22.5 97.5 493 1688 571 22.5 102.5 522 1281 572 22.5 107.5 446 1229 573 22.5 112.5 498 606 574 22.5 117.5 487 1591 575 22.5 122.5 511 8040 601 22.5 -107.5 760 131 602 22.5 -102.5 499 1193 603 22.5 -97.5 423 2022 605 22.5 -87.5 412 411 606 22.5 -82.5 545 83 607 22.5 -77.5 546 63 608 22.5 -72.5 571 59 619 22.5 -17.5 332 200 630 17.5 37.5 289 151 631 17.5 42.5 730 38 633 17.5 52.5 353 296 637 17.5 72.5 532 1100 638 17.5 77.5 472 876 639 17.5 82.5 501 409 641 17.5 92.5 464 270 642 17.5 97.5 389 1149 643 17.5 102.5 561 666 644 17.5 107.5 481 318 645 17.5 112.5 569 51 647 17.5 122.5 559 323 672 17.5 -112.5 642 92 674 17.5 -102.5 388 704 675 17.5 -97.5 617 2912 676 17.5 -92.5 375 3603 677 17.5 -87.5 293 830 681 17.5 -67.5 498 44 691 17.5 -17.5 531 57 692 17.5 -12.5 1067 37 695 12.5 2.5 430 189 702 12.5 37.5 263 141 709 12.5 72.5 339 304 710 12.5 77.5 402 1816 711 12.5 82.5 502 91 713 12.5 92.5 440 74 714 12.5 97.5 486 517 715 12.5 102.5 564 441 716 12.5 107.5 528 200 719 12.5 122.5 482 393 720 12.5 127.5 464 40 723 12.5 142.5 401 47 748 12.5 -92.5 307 1062 749 12.5 -87.5 299 705 750 12.5 -82.5 878 131 751 12.5 -77.5 471 239 752 12.5 -72.5 399 550 753 12.5 -67.5 522 1326 754 12.5 -62.5 326 163 763 12.5 -17.5 494 59 764 12.5 -12.5 525 106 765 12.5 -7.5 704 189 766 12.5 -2.5 535 262 767 7.5 2.5 246 1201 769 7.5 12.5 503 46 774 7.5 37.5 414 87 775 7.5 42.5 481 86 782 7.5 77.5 432 846 783 7.5 82.5 281 1176 785 7.5 92.5 411 56 786 7.5 97.5 502 866 787 7.5 102.5 456 206 788 7.5 107.5 563 93 790 7.5 117.5 453 32 791 7.5 122.5 472 253 801 7.5 172.5 431 177 822 7.5 -82.5 411 505 823 7.5 -77.5 437 97 824 7.5 -72.5 385 500 825 7.5 -67.5 529 39 826 7.5 -62.5 378 172 827 7.5 -57.5 140 500 828 7.5 -52.5 240 43 836 7.5 -12.5 253 55 837 7.5 -7.5 192 1999 838 7.5 -2.5 237 1027 840 2.5 7.5 266 201 841 2.5 12.5 232 101 842 2.5 17.5 187 91 846 2.5 37.5 224 834 847 2.5 42.5 623 41 858 2.5 97.5 467 55 859 2.5 102.5 241 398 861 2.5 112.5 131 503 863 2.5 122.5 354 70 873 2.5 172.5 319 89 895 2.5 -77.5 568 74 896 2.5 -72.5 535 124 899 2.5 -57.5 184 77 900 2.5 -52.5 97 275 909 2.5 -7.5 279 126 913 -2.5 12.5 425 115 918 -2.5 37.5 311 537 931 -2.5 102.5 398 162 932 -2.5 107.5 291 112 937 -2.5 132.5 520 43 941 -2.5 152.5 542 32 946 -2.5 177.5 387 42 966 -2.5 -82.5 605 239 967 -2.5 -77.5 733 53 968 -2.5 -72.5 508 314 969 -2.5 -67.5 427 91 970 -2.5 -62.5 301 98 1004 -7.5 107.5 515 132 1012 -7.5 147.5 397 155 1018 -7.5 177.5 422 97 1020 -7.5 -172.5 592 322 1038 -7.5 -82.5 649 65 1039 -7.5 -77.5 654 1579 1040 -7.5 -72.5 511 185 1042 -7.5 -62.5 788 100 1045 -7.5 -47.5 803 197 1060 -12.5 27.5 456 35 1061 -12.5 32.5 338 65 1062 -12.5 37.5 360 105 1079 -12.5 122.5 465 72 1081 -12.5 132.5 591 71 1083 -12.5 142.5 846 46 1088 -12.5 167.5 329 83 1090 -12.5 177.5 432 61 1092 -12.5 -172.5 439 61 1094 -12.5 -162.5 535 33 1111 -12.5 -77.5 566 2109 1112 -12.5 -72.5 1192 252 1113 -12.5 -67.5 760 92 1114 -12.5 -62.5 409 71 1115 -12.5 -57.5 1231 35 1117 -12.5 -47.5 706 174 1119 -12.5 -37.5 994 99 1129 -17.5 12.5 126 483 1130 -17.5 17.5 1232 37 1132 -17.5 27.5 293 376 1133 -17.5 32.5 372 474 1134 -17.5 37.5 451 211 1136 -17.5 47.5 392 188 1151 -17.5 122.5 377 118 1152 -17.5 127.5 1012 40 1154 -17.5 137.5 484 82 1155 -17.5 142.5 894 69 1160 -17.5 167.5 447 140 1162 -17.5 177.5 458 177 1163 -17.5 -177.5 530 283 1164 -17.5 -172.5 610 764 1165 -17.5 -167.5 587 344 1183 -17.5 -77.5 510 471 1184 -17.5 -72.5 610 209 1185 -17.5 -67.5 319 304 1186 -17.5 -62.5 289 128 1187 -17.5 -57.5 276 107 1188 -17.5 -52.5 739 48 1189 -17.5 -47.5 265 330 1190 -17.5 -42.5 275 113 1197 -17.5 -7.5 213 107 1201 -22.5 12.5 186 537 1204 -22.5 27.5 328 402 1205 -22.5 32.5 227 795 1206 -22.5 37.5 503 50 1207 -22.5 42.5 322 119 1208 -22.5 47.5 358 185 1221 -22.5 112.5 471 50 1222 -22.5 117.5 458 61 1225 -22.5 132.5 545 33 1227 -22.5 142.5 746 50 1228 -22.5 147.5 757 66 1229 -22.5 152.5 485 68 1232 -22.5 167.5 539 101 1235 -22.5 -177.5 370 83 1239 -22.5 -157.5 368 109 1256 -22.5 -72.5 488 48 1257 -22.5 -67.5 445 398 1258 -22.5 -62.5 367 111 1259 -22.5 -57.5 289 67 1260 -22.5 -52.5 201 397 1261 -22.5 -47.5 201 1226 1262 -22.5 -42.5 255 370 1274 -27.5 17.5 209 858 1275 -27.5 22.5 1251 100 1276 -27.5 27.5 269 543 1277 -27.5 32.5 343 842 1293 -27.5 112.5 625 76 1295 -27.5 122.5 964 32 1298 -27.5 137.5 795 108 1300 -27.5 147.5 1073 55 1301 -27.5 152.5 390 56 1304 -27.5 167.5 235 189 1307 -27.5 -177.5 215 121 1314 -27.5 -142.5 370 56 1321 -27.5 -107.5 419 45 1328 -27.5 -72.5 337 267 1329 -27.5 -67.5 430 342 1330 -27.5 -62.5 423 638 1331 -27.5 -57.5 300 1762 1332 -27.5 -52.5 219 829 1333 -27.5 -47.5 173 1833 1346 -32.5 17.5 346 753 1347 -32.5 22.5 362 1075 1348 -32.5 27.5 290 1130 1349 -32.5 32.5 362 115 1366 -32.5 117.5 421 166 1367 -32.5 122.5 399 115 1368 -32.5 127.5 568 93 1369 -32.5 132.5 567 78 1370 -32.5 137.5 705 295 1371 -32.5 142.5 401 117 1372 -32.5 147.5 430 36 1373 -32.5 152.5 451 78 1377 -32.5 172.5 190 150 1399 -32.5 -77.5 556 100 1400 -32.5 -72.5 384 305 1401 -32.5 -67.5 588 916 1402 -32.5 -62.5 363 1824 1403 -32.5 -57.5 288 4402 1404 -32.5 -52.5 255 1095 1430 -37.5 77.5 321 249 1442 -37.5 137.5 447 123 1443 -37.5 142.5 348 404 1444 -37.5 147.5 318 316 1445 -37.5 152.5 733 36 1449 -37.5 172.5 314 380 1450 -37.5 177.5 340 535 1472 -37.5 -72.5 371 617 1473 -37.5 -67.5 766 184 1474 -37.5 -62.5 398 935 1475 -37.5 -57.5 250 963 1516 -42.5 147.5 456 296 1520 -42.5 167.5 597 69 1521 -42.5 172.5 376 1887 1522 -42.5 177.5 335 112 1523 -42.5 -177.5 195 369 1544 -42.5 -72.5 479 442 1545 -42.5 -67.5 916 275 1546 -42.5 -62.5 499 209 1557 -42.5 -7.5 329 588 1566 -47.5 37.5 295 1033 1569 -47.5 52.5 233 225 1573 -47.5 72.5 351 125 1592 -47.5 167.5 374 553 1593 -47.5 172.5 362 368 1616 -47.5 -72.5 637 179 1617 -47.5 -67.5 485 259 1646 -52.5 155.0 226 548 1647 -52.5 165.0 244 387 1659 -52.5 -75.0 517 1452 1660 -52.5 -65.0 630 690 1661 -52.5 -55.0 249 311 1732 -62.5 -65.0 541 284 1733 -62.5 -55.0 251 3746 1734 -62.5 -45.0 274 1911 1742 -67.5 35.0 640 60 1746 -67.5 75.0 591 222 1748 -67.5 95.0 407 109 1750 -67.5 115.0 527 161 1754 -67.5 155.0 291 169 1768 -67.5 -65.0 513 1634 1786 -72.5 -130.0 363 53 1789 -72.5 -70.0 355 63 1792 -72.5 -10.0 314 487 1798 -77.5 110.0 439 41 1801 -77.5 170.0 822 1160 1806 -77.5 -90.0 664 144 1809 -77.5 -30.0 463 1236 1817 -82.5 -100.0 557 107 1820 -87.5 0.0 459 35