Stratus Average Base Height (meters) June, July, August (1954 - 1997) Night, Ship Observations Only Global Average: 407 Zonal Averages 28 zones Lat.N Average 87.5 245 82.5 246 77.5 309 72.5 382 67.5 409 62.5 399 57.5 390 52.5 380 47.5 365 42.5 381 37.5 396 32.5 410 27.5 425 22.5 441 17.5 442 12.5 444 7.5 410 2.5 415 -2.5 418 -7.5 439 -12.5 437 -17.5 435 -22.5 439 -27.5 401 -32.5 412 -37.5 410 -42.5 419 -52.5 433 Grid Box Averages 702 filled boxes Box # Lat.N Lon.E Average 1 87.5 0.0 245 2 82.5 20.0 318 3 82.5 60.0 268 4 82.5 100.0 185 5 82.5 140.0 191 6 82.5 180.0 234 7 82.5 220.0 193 8 82.5 260.0 316 10 82.5 340.0 232 11 77.5 10.0 427 12 77.5 30.0 488 13 77.5 50.0 414 14 77.5 70.0 345 15 77.5 90.0 405 16 77.5 110.0 310 18 77.5 150.0 213 19 77.5 170.0 268 20 77.5 190.0 216 21 77.5 210.0 258 22 77.5 230.0 324 23 77.5 250.0 214 24 77.5 270.0 296 25 77.5 290.0 345 28 77.5 350.0 288 29 72.5 10.0 444 30 72.5 30.0 442 31 72.5 50.0 513 32 72.5 70.0 435 33 72.5 90.0 409 35 72.5 130.0 368 36 72.5 150.0 345 37 72.5 170.0 305 38 72.5 190.0 323 39 72.5 210.0 401 41 72.5 250.0 461 42 72.5 270.0 273 43 72.5 290.0 342 44 72.5 310.0 386 45 72.5 330.0 382 46 72.5 350.0 350 47 67.5 5.0 338 48 67.5 15.0 423 50 67.5 35.0 473 51 67.5 45.0 502 52 67.5 55.0 387 63 67.5 165.0 354 64 67.5 175.0 375 65 67.5 185.0 435 66 67.5 195.0 383 70 67.5 235.0 458 71 67.5 245.0 471 72 67.5 255.0 435 73 67.5 265.0 333 76 67.5 295.0 315 77 67.5 305.0 372 79 67.5 325.0 427 80 67.5 335.0 436 81 67.5 345.0 415 82 67.5 355.0 477 83 62.5 5.0 400 98 62.5 155.0 569 99 62.5 165.0 367 100 62.5 175.0 375 101 62.5 185.0 374 102 62.5 195.0 369 103 62.5 205.0 532 104 62.5 215.0 341 110 62.5 275.0 403 111 62.5 285.0 363 112 62.5 295.0 352 113 62.5 305.0 366 114 62.5 315.0 362 115 62.5 325.0 389 116 62.5 335.0 448 117 62.5 345.0 433 118 62.5 355.0 450 119 57.5 5.0 436 120 57.5 15.0 525 121 57.5 25.0 535 133 57.5 145.0 486 134 57.5 155.0 426 135 57.5 165.0 399 136 57.5 175.0 420 137 57.5 185.0 380 138 57.5 195.0 407 139 57.5 205.0 400 140 57.5 215.0 362 141 57.5 225.0 376 148 57.5 295.0 443 149 57.5 305.0 355 150 57.5 315.0 387 151 57.5 325.0 390 152 57.5 335.0 355 153 57.5 345.0 306 154 57.5 355.0 415 155 52.5 5.0 475 156 52.5 15.0 575 169 52.5 145.0 445 170 52.5 155.0 443 171 52.5 165.0 418 172 52.5 175.0 383 173 52.5 185.0 385 174 52.5 195.0 388 175 52.5 205.0 387 176 52.5 215.0 345 177 52.5 225.0 392 178 52.5 235.0 408 185 52.5 305.0 407 186 52.5 315.0 359 187 52.5 325.0 335 188 52.5 335.0 335 189 52.5 345.0 334 190 52.5 355.0 438 218 47.5 137.5 602 219 47.5 142.5 465 220 47.5 147.5 469 221 47.5 152.5 403 222 47.5 157.5 373 223 47.5 162.5 362 224 47.5 167.5 352 225 47.5 172.5 347 226 47.5 177.5 347 227 47.5 182.5 355 228 47.5 187.5 352 229 47.5 192.5 350 230 47.5 197.5 353 231 47.5 202.5 370 232 47.5 207.5 371 233 47.5 212.5 385 234 47.5 217.5 370 235 47.5 222.5 377 236 47.5 227.5 394 237 47.5 232.5 417 238 47.5 237.5 433 251 47.5 302.5 414 252 47.5 307.5 372 253 47.5 312.5 311 254 47.5 317.5 345 255 47.5 322.5 341 256 47.5 327.5 340 257 47.5 332.5 342 258 47.5 337.5 341 259 47.5 342.5 329 260 47.5 347.5 361 261 47.5 352.5 405 262 47.5 357.5 451 263 42.5 2.5 567 264 42.5 7.5 608 265 42.5 12.5 700 266 42.5 17.5 581 268 42.5 27.5 618 269 42.5 32.5 656 289 42.5 132.5 483 290 42.5 137.5 477 291 42.5 142.5 486 292 42.5 147.5 403 293 42.5 152.5 384 294 42.5 157.5 369 295 42.5 162.5 345 296 42.5 167.5 340 297 42.5 172.5 347 298 42.5 177.5 335 299 42.5 182.5 341 300 42.5 187.5 328 301 42.5 192.5 353 302 42.5 197.5 357 303 42.5 202.5 342 304 42.5 207.5 337 305 42.5 212.5 368 306 42.5 217.5 368 307 42.5 222.5 415 308 42.5 227.5 417 309 42.5 232.5 442 310 42.5 237.5 468 320 42.5 287.5 577 321 42.5 292.5 510 322 42.5 297.5 416 323 42.5 302.5 382 324 42.5 307.5 386 325 42.5 312.5 383 326 42.5 317.5 383 327 42.5 322.5 386 328 42.5 327.5 387 329 42.5 332.5 390 330 42.5 337.5 372 331 42.5 342.5 370 332 42.5 347.5 399 333 42.5 352.5 415 334 42.5 357.5 519 335 37.5 2.5 497 336 37.5 7.5 502 337 37.5 12.5 613 338 37.5 17.5 668 339 37.5 22.5 641 340 37.5 27.5 664 359 37.5 122.5 693 360 37.5 127.5 395 361 37.5 132.5 476 362 37.5 137.5 515 363 37.5 142.5 420 364 37.5 147.5 376 365 37.5 152.5 357 366 37.5 157.5 335 367 37.5 162.5 332 368 37.5 167.5 335 369 37.5 172.5 340 370 37.5 177.5 333 371 37.5 182.5 339 372 37.5 187.5 341 373 37.5 192.5 349 374 37.5 197.5 347 375 37.5 202.5 364 376 37.5 207.5 380 377 37.5 212.5 418 378 37.5 217.5 365 379 37.5 222.5 431 380 37.5 227.5 415 381 37.5 232.5 408 382 37.5 237.5 374 391 37.5 282.5 559 392 37.5 287.5 498 393 37.5 292.5 443 394 37.5 297.5 422 395 37.5 302.5 430 396 37.5 307.5 376 397 37.5 312.5 445 398 37.5 317.5 413 399 37.5 322.5 436 400 37.5 327.5 415 401 37.5 332.5 427 402 37.5 337.5 454 403 37.5 342.5 442 404 37.5 347.5 449 405 37.5 352.5 457 406 37.5 357.5 481 411 32.5 22.5 497 412 32.5 27.5 571 413 32.5 32.5 671 431 32.5 122.5 703 432 32.5 127.5 431 433 32.5 132.5 418 434 32.5 137.5 407 435 32.5 142.5 375 436 32.5 147.5 344 437 32.5 152.5 347 438 32.5 157.5 352 439 32.5 162.5 358 440 32.5 167.5 351 441 32.5 172.5 416 442 32.5 177.5 358 443 32.5 182.5 349 444 32.5 187.5 343 445 32.5 192.5 364 446 32.5 197.5 380 447 32.5 202.5 404 448 32.5 207.5 411 449 32.5 212.5 428 450 32.5 217.5 395 451 32.5 222.5 413 452 32.5 227.5 413 453 32.5 232.5 419 454 32.5 237.5 412 455 32.5 242.5 397 462 32.5 277.5 543 463 32.5 282.5 469 464 32.5 287.5 446 465 32.5 292.5 458 466 32.5 297.5 440 467 32.5 302.5 450 468 32.5 307.5 439 469 32.5 312.5 397 470 32.5 317.5 453 471 32.5 322.5 412 472 32.5 327.5 462 473 32.5 332.5 473 474 32.5 337.5 450 475 32.5 342.5 461 476 32.5 347.5 487 477 32.5 352.5 549 503 27.5 122.5 452 504 27.5 127.5 388 505 27.5 132.5 389 506 27.5 137.5 359 507 27.5 142.5 337 508 27.5 147.5 355 509 27.5 152.5 390 510 27.5 157.5 375 511 27.5 162.5 376 512 27.5 167.5 392 513 27.5 172.5 391 514 27.5 177.5 409 515 27.5 182.5 362 516 27.5 187.5 418 517 27.5 192.5 464 519 27.5 202.5 376 520 27.5 207.5 397 521 27.5 212.5 436 522 27.5 217.5 472 523 27.5 222.5 464 524 27.5 227.5 441 525 27.5 232.5 435 526 27.5 237.5 444 527 27.5 242.5 453 528 27.5 247.5 416 531 27.5 262.5 421 532 27.5 267.5 425 533 27.5 272.5 444 534 27.5 277.5 424 535 27.5 282.5 487 536 27.5 287.5 454 537 27.5 292.5 422 538 27.5 297.5 447 539 27.5 302.5 484 540 27.5 307.5 505 541 27.5 312.5 458 542 27.5 317.5 514 546 27.5 337.5 498 547 27.5 342.5 514 548 27.5 347.5 523 562 22.5 57.5 539 563 22.5 62.5 499 564 22.5 67.5 496 573 22.5 112.5 521 574 22.5 117.5 432 575 22.5 122.5 387 576 22.5 127.5 354 577 22.5 132.5 372 578 22.5 137.5 374 579 22.5 142.5 346 580 22.5 147.5 340 584 22.5 167.5 463 585 22.5 172.5 411 586 22.5 177.5 417 587 22.5 182.5 497 588 22.5 187.5 490 589 22.5 192.5 517 590 22.5 197.5 487 591 22.5 202.5 461 592 22.5 207.5 439 593 22.5 212.5 412 594 22.5 217.5 508 595 22.5 222.5 456 596 22.5 227.5 383 597 22.5 232.5 360 598 22.5 237.5 432 599 22.5 242.5 447 600 22.5 247.5 434 601 22.5 252.5 500 603 22.5 262.5 456 604 22.5 267.5 519 605 22.5 272.5 468 606 22.5 277.5 486 607 22.5 282.5 474 608 22.5 287.5 528 609 22.5 292.5 452 610 22.5 297.5 474 611 22.5 302.5 427 612 22.5 307.5 553 613 22.5 312.5 513 614 22.5 317.5 511 615 22.5 322.5 481 618 22.5 337.5 431 619 22.5 342.5 496 631 17.5 42.5 739 633 17.5 52.5 546 634 17.5 57.5 525 635 17.5 62.5 480 636 17.5 67.5 440 637 17.5 72.5 460 639 17.5 82.5 675 640 17.5 87.5 537 641 17.5 92.5 502 644 17.5 107.5 754 645 17.5 112.5 475 646 17.5 117.5 358 647 17.5 122.5 366 648 17.5 127.5 347 649 17.5 132.5 302 650 17.5 137.5 352 651 17.5 142.5 337 652 17.5 147.5 311 653 17.5 152.5 417 666 17.5 217.5 414 667 17.5 222.5 404 668 17.5 227.5 415 669 17.5 232.5 430 670 17.5 237.5 410 671 17.5 242.5 370 672 17.5 247.5 406 673 17.5 252.5 425 674 17.5 257.5 410 675 17.5 262.5 436 676 17.5 267.5 538 677 17.5 272.5 486 678 17.5 277.5 454 679 17.5 282.5 466 680 17.5 287.5 518 681 17.5 292.5 488 682 17.5 297.5 491 683 17.5 302.5 420 684 17.5 307.5 452 685 17.5 312.5 386 686 17.5 317.5 396 687 17.5 322.5 450 688 17.5 327.5 529 689 17.5 332.5 470 690 17.5 337.5 505 691 17.5 342.5 520 703 12.5 42.5 731 704 12.5 47.5 635 705 12.5 52.5 610 706 12.5 57.5 512 707 12.5 62.5 477 708 12.5 67.5 481 709 12.5 72.5 433 710 12.5 77.5 393 711 12.5 82.5 612 712 12.5 87.5 519 713 12.5 92.5 612 714 12.5 97.5 406 715 12.5 102.5 549 716 12.5 107.5 561 717 12.5 112.5 413 718 12.5 117.5 413 719 12.5 122.5 419 720 12.5 127.5 366 721 12.5 132.5 317 722 12.5 137.5 344 723 12.5 142.5 330 724 12.5 147.5 366 744 12.5 247.5 416 745 12.5 252.5 402 746 12.5 257.5 430 747 12.5 262.5 399 748 12.5 267.5 399 749 12.5 272.5 429 750 12.5 277.5 402 751 12.5 282.5 457 752 12.5 287.5 508 753 12.5 292.5 448 754 12.5 297.5 530 755 12.5 302.5 412 756 12.5 307.5 430 757 12.5 312.5 400 758 12.5 317.5 350 759 12.5 322.5 428 761 12.5 332.5 483 762 12.5 337.5 544 763 12.5 342.5 473 767 7.5 2.5 342 777 7.5 52.5 592 778 7.5 57.5 497 779 7.5 62.5 490 780 7.5 67.5 489 781 7.5 72.5 458 782 7.5 77.5 465 783 7.5 82.5 496 784 7.5 87.5 437 785 7.5 92.5 412 786 7.5 97.5 463 787 7.5 102.5 487 788 7.5 107.5 436 789 7.5 112.5 382 790 7.5 117.5 438 791 7.5 122.5 432 792 7.5 127.5 378 793 7.5 132.5 354 795 7.5 142.5 379 796 7.5 147.5 277 797 7.5 152.5 338 818 7.5 257.5 410 819 7.5 262.5 364 820 7.5 267.5 390 821 7.5 272.5 391 822 7.5 277.5 367 823 7.5 282.5 450 827 7.5 302.5 430 828 7.5 307.5 396 829 7.5 312.5 429 830 7.5 317.5 364 831 7.5 322.5 398 832 7.5 327.5 396 833 7.5 332.5 403 834 7.5 337.5 456 835 7.5 342.5 403 836 7.5 347.5 434 837 7.5 352.5 414 838 7.5 357.5 446 839 2.5 2.5 427 840 2.5 7.5 423 848 2.5 47.5 514 849 2.5 52.5 549 854 2.5 77.5 368 855 2.5 82.5 436 856 2.5 87.5 422 857 2.5 92.5 407 858 2.5 97.5 454 859 2.5 102.5 580 860 2.5 107.5 501 864 2.5 127.5 353 868 2.5 147.5 366 869 2.5 152.5 346 891 2.5 262.5 375 892 2.5 267.5 378 893 2.5 272.5 359 894 2.5 277.5 382 895 2.5 282.5 385 901 2.5 312.5 346 902 2.5 317.5 510 903 2.5 322.5 442 905 2.5 332.5 458 908 2.5 347.5 483 909 2.5 352.5 444 910 2.5 357.5 479 911 -2.5 2.5 500 912 -2.5 7.5 472 920 -2.5 47.5 456 925 -2.5 72.5 368 927 -2.5 82.5 353 928 -2.5 87.5 465 929 -2.5 92.5 357 930 -2.5 97.5 420 936 -2.5 127.5 397 941 -2.5 152.5 338 963 -2.5 262.5 396 964 -2.5 267.5 442 965 -2.5 272.5 350 966 -2.5 277.5 429 975 -2.5 322.5 407 976 -2.5 327.5 386 981 -2.5 352.5 479 982 -2.5 357.5 635 983 -7.5 2.5 534 984 -7.5 7.5 517 992 -7.5 47.5 518 997 -7.5 72.5 418 998 -7.5 77.5 345 1000 -7.5 87.5 401 1001 -7.5 92.5 411 1002 -7.5 97.5 377 1012 -7.5 147.5 482 1013 -7.5 152.5 358 1035 -7.5 262.5 467 1036 -7.5 267.5 445 1037 -7.5 272.5 418 1038 -7.5 277.5 459 1039 -7.5 282.5 448 1047 -7.5 322.5 431 1048 -7.5 327.5 432 1049 -7.5 332.5 389 1053 -7.5 352.5 559 1054 -7.5 357.5 524 1055 -12.5 2.5 539 1056 -12.5 7.5 539 1057 -12.5 12.5 590 1068 -12.5 67.5 389 1069 -12.5 72.5 369 1071 -12.5 82.5 436 1072 -12.5 87.5 395 1073 -12.5 92.5 372 1074 -12.5 97.5 415 1084 -12.5 147.5 406 1085 -12.5 152.5 393 1086 -12.5 157.5 474 1087 -12.5 162.5 359 1092 -12.5 187.5 372 1110 -12.5 277.5 507 1111 -12.5 282.5 456 1119 -12.5 322.5 408 1120 -12.5 327.5 521 1126 -12.5 357.5 546 1127 -17.5 2.5 526 1128 -17.5 7.5 504 1129 -17.5 12.5 444 1138 -17.5 57.5 388 1139 -17.5 62.5 380 1144 -17.5 87.5 389 1145 -17.5 92.5 418 1146 -17.5 97.5 419 1156 -17.5 147.5 375 1157 -17.5 152.5 392 1158 -17.5 157.5 414 1159 -17.5 162.5 381 1162 -17.5 177.5 429 1163 -17.5 182.5 365 1164 -17.5 187.5 377 1182 -17.5 277.5 553 1183 -17.5 282.5 566 1184 -17.5 287.5 508 1191 -17.5 322.5 467 1196 -17.5 347.5 454 1198 -17.5 357.5 415 1199 -22.5 2.5 468 1200 -22.5 7.5 479 1201 -22.5 12.5 441 1209 -22.5 52.5 441 1217 -22.5 92.5 455 1218 -22.5 97.5 449 1219 -22.5 102.5 417 1221 -22.5 112.5 440 1229 -22.5 152.5 362 1232 -22.5 167.5 451 1233 -22.5 172.5 437 1234 -22.5 177.5 397 1235 -22.5 182.5 387 1236 -22.5 187.5 433 1243 -22.5 222.5 545 1245 -22.5 232.5 400 1256 -22.5 287.5 485 1261 -22.5 312.5 459 1262 -22.5 317.5 461 1263 -22.5 322.5 456 1270 -22.5 357.5 398 1271 -27.5 2.5 419 1272 -27.5 7.5 455 1273 -27.5 12.5 447 1274 -27.5 17.5 323 1277 -27.5 32.5 428 1278 -27.5 37.5 436 1279 -27.5 42.5 465 1280 -27.5 47.5 397 1290 -27.5 97.5 370 1292 -27.5 107.5 457 1293 -27.5 112.5 471 1301 -27.5 152.5 367 1302 -27.5 157.5 390 1303 -27.5 162.5 368 1304 -27.5 167.5 388 1305 -27.5 172.5 359 1306 -27.5 177.5 372 1307 -27.5 182.5 350 1308 -27.5 187.5 392 1312 -27.5 207.5 351 1313 -27.5 212.5 330 1314 -27.5 217.5 454 1315 -27.5 222.5 353 1316 -27.5 227.5 408 1328 -27.5 287.5 473 1333 -27.5 312.5 462 1334 -27.5 317.5 475 1343 -32.5 2.5 484 1344 -32.5 7.5 441 1345 -32.5 12.5 400 1346 -32.5 17.5 426 1347 -32.5 22.5 440 1348 -32.5 27.5 434 1349 -32.5 32.5 411 1350 -32.5 37.5 463 1361 -32.5 92.5 415 1362 -32.5 97.5 424 1364 -32.5 107.5 498 1365 -32.5 112.5 441 1366 -32.5 117.5 431 1373 -32.5 152.5 418 1374 -32.5 157.5 391 1375 -32.5 162.5 417 1376 -32.5 167.5 423 1377 -32.5 172.5 371 1378 -32.5 177.5 364 1379 -32.5 182.5 390 1380 -32.5 187.5 393 1381 -32.5 192.5 398 1382 -32.5 197.5 389 1383 -32.5 202.5 385 1384 -32.5 207.5 375 1404 -32.5 307.5 440 1405 -32.5 312.5 476 1412 -32.5 347.5 375 1413 -32.5 352.5 403 1414 -32.5 357.5 400 1416 -37.5 7.5 432 1419 -37.5 22.5 427 1438 -37.5 117.5 417 1439 -37.5 122.5 432 1440 -37.5 127.5 407 1441 -37.5 132.5 414 1442 -37.5 137.5 411 1443 -37.5 142.5 421 1444 -37.5 147.5 460 1445 -37.5 152.5 432 1446 -37.5 157.5 367 1447 -37.5 162.5 392 1448 -37.5 167.5 384 1449 -37.5 172.5 398 1450 -37.5 177.5 357 1451 -37.5 182.5 370 1452 -37.5 187.5 387 1453 -37.5 192.5 381 1470 -37.5 277.5 419 1475 -37.5 302.5 661 1516 -42.5 147.5 413 1517 -42.5 152.5 406 1518 -42.5 157.5 369 1519 -42.5 162.5 449 1520 -42.5 167.5 402 1521 -42.5 172.5 440 1522 -42.5 177.5 409 1523 -42.5 182.5 394 1542 -42.5 277.5 509 1660 -52.5 295.0 553 1661 -52.5 305.0 335 1663 -52.5 325.0 456