| COMPILATION OF DATA FROM NCDC - 1999 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| STATION NAME | JANUARY | FEBRUARY | MARCH | APRIL | MAY | JUNE | JULY | AUGUST | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER | ANNUAL | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | MIN | MAX | MEAN | C/DEG | H/DEG | |
| ABERDEEN REGIONAL ARPT | -1.8 | 19.4 | 8.8 | 0 | 1739 | 19.7 | 37.8 | 28.8 | 0 | 1008 | 24 | 46.6 | 35.3 | 0 | 914 | 35 | 56.5 | 45.8 | 0 | 569 | 46.6 | 69 | 57.8 | 9 | 222 | 55.7 | 76.2 | 66 | 100 | 62 | 61.1 | 83.6 | 72.4 | 238 | 2 | 57.5 | 81.7 | 69.6 | 160 | 8 | 45.1 | 67 | 56.1 | 2 | 264 | 32 | 58.8 | 45.4 | 0 | 600 | 24.8 | 52.6 | 38.7 | 0 | 781 | 11.9 | 37.3 | 24.6 | 0 | 1245 | -9999.9 | -9999.9 | 45.8 | 509 | -99999 |
| ACADEMY 2 NE | 8.6 | 29.9 | 19.3 | 0 | 1411 | 22.2 | 45.9 | 34.1 | 0 | 859 | 24 | 49.2 | 36.6 | 0 | 875 | 35.7 | 56 | 45.9 | 0 | 567 | 46.2 | 68.6 | 57.4 | 14 | 242 | 56 | 76.3 | 66.2 | 100 | 57 | 63 | 86.4 | 74.7 | 311 | 4 | 58.2 | 85.3 | 71.8 | 219 | 4 | 45.3 | 72.9 | 59.1 | 36 | 205 | 34.4 | 63.6 | 49 | 2 | 490 | 29.1 | 58.8 | 44 | 2 | 624 | 17.9 | 42 | 30 | 0 | 1079 | -9999.9 | -9999.9 | 49 | 684 | -99999 |
| ALEXANDRIA | 9.2 | 28.3 | 18.8 | 0 | 1426 | 24.5 | 44.4 | 34.5 | 0 | 849 | 26.8 | 49.5 | 38.2 | 0 | 826 | 37.5 | 59.9 | 48.7 | 0 | 479 | 49.9 | 71.7 | 60.8 | 33 | 156 | 58.3 | 79 | 68.7 | 151 | 37 | 66 | 88.1 | 77.1 | 383 | 1 | 59.6 | 85.8 | 72.7 | 250 | 2 | 48.5 | 74.6 | 61.6 | 60 | 157 | 36.2 | 65.5 | 50.9 | 4 | 435 | 31.4 | 58.8 | 45.1 | 0 | 588 | 17.8 | 39.9 | 28.9 | 0 | 1115 | -9999.9 | -9999.9 | 50.5 | 881 | -99999 |
| ANDOVER | 2.7 | 19.5 | 11.1 | 0 | 1665 | 19.8 | 36.2 | 28 | 0 | 1027 | 24 | 46.4 | 35.2 | 0 | 918 | 35.3 | 56.3 | 45.8 | 0 | 566 | 47.3 | 67.6 | 57.5 | 10 | 235 | 56 | 75.2 | 65.6 | 91 | 65 | 62.3 | 81.9 | 72.1 | 234 | 5 | 58.5 | 80.6 | 69.6 | 160 | 13 | 47 | 67.1 | 57.1 | 14 | 247 | 34.3 | 57.3 | 45.8 | 0 | 588 | 28.3 | 53.7 | 41 | 0 | 715 | 15.7 | 36.8 | 26.3 | 0 | 1198 | -9999.9 | -9999.9 | 46.3 | 509 | -99999 |
| ANTELOPE RANGE STATION | -9999.9 | -9999.9 | -9999.9 | -99999 | -99999 | 24.3 | 48.1 | 36.2 | 0 | 784 | 24.8 | 48.3 | 36.6 | 0 | 894 | 29.3 | 52.9 | 41.1 | 0 | 724 | -9999.9 | -9999.9 | -9999.9 | -99999 | -99999 | -9999.9 | -9999.9 | -9999.9 | -99999 | -99999 | -9999.9 | -9999.9 | -9999.9 | -99999 | -99999 | -9999.9 | -9999.9 | -9999.9 | -99999 | -99999 | 38.1 | 71.2 | 54.7 | 13 | 308 | 29.3 | 62.5 | 45.9 | 0 | 587 | 24.8 | 58.1 | 41.5 | 0 | 699 | 16.8 | 41.9 | 29.4 | 0 | 1092 | -9999.9 | -9999.9 | -9999.9 | -99999 | -99999 |
| ARDMORE 2 N | 14 | 41.4 | 27.7 | 0 | 1150 | 20.8 | 52.9 | 36.9 | 0 | 782 | 23.9 | 55.5 | 39.7 | 0 | 776 | 31.4 | 56.9 | 44.2 | 0 | 620 | 39.1 | 68.4 | 53.8 | 1 | 341 | 49.9 | 78.6 | 64.3 | 56 | 66 | 55.1 | 88.7 | 71.9 | 229 | 5 | 54.7 | 89 | 71.9 | 225 | 6 | 39.2 | 73.8 | 56.5 | 8 | 255 | 28 | 68.6 | 48.3 | 0 | 511 | 23.2 | 62.8 | 43 | 0 | 654 | 15.1 | 47.2 | 31.2 | 0 | 1038 | -9999.9 | -9999.9 | 49.1 | 519 | -99999 |
| ARLINGTON 1 W | 2.5 | 21.4 | 12 | 0 | 1642 | 20.7 | 38.9 | 29.8 | 0 | 979 | 23.2 | 44.7 | 34 | 0 | 955 | 35.9 | 56.6 | 46.3 | 0 | 555 | 48.5 | 70.7 | 59.6 | 24 | 192 | 57.6 | 77.8 | 67.7 | 143 | 57 | 64.9 | 86.4 | 75.7 | 337 | 1 | 60.1 | 82.8 | 71.5 | 209 | 1 | 48.1 | 72 | 60.1 | 45 | 187 | 35.1 | 61.4 | 48.3 | 1 | 511 | 29.7 | 54.7 | 42.2 | 0 | 678 | 15.1 | 36.2 | 25.7 | 0 | 1213 | -9999.9 | -9999.9 | 47.7 | 759 | -99999 |
| ARMOUR | 10.5 | 31.5 | 21 | 0 | 1358 | 25.1 | 47.4 | 36.3 | 0 | 797 | 26.5 | 51.4 | 39 | 0 | 802 | 38.1 | 60.3 | 49.2 | 0 | 468 | 49.2 | 71.7 | 60.5 | 28 | 160 | 57.7 | 78.7 | 68.2 | 148 | 44 | 66.2 | 88.8 | 77.5 | 394 | 0 | 61.5 | 87.2 | 74.4 | 297 | 0 | 48.3 | 76.2 | 62.3 | 69 | 145 | 36.4 | 67.9 | 52.2 | 4 | 396 | 31.8 | 59.2 | 45.5 | 0 | 579 | 19.3 | 41.4 | 30.4 | 0 | 1064 | -9999.9 | -9999.9 | 51.4 | 940 | -99999 |
| ASTORIA 4 S | 0.8 | 17.6 | 9.2 | 0 | 1725 | 16.2 | 34.2 | 25.2 | 0 | 1109 | 21.4 | 41 | 31.2 | 0 | 1039 | 33.9 | 53.5 | 43.7 | 0 | 633 | 44.7 | 67.7 | 56.2 | 8 | 271 | 53.8 | 74.9 | 64.4 | 86 | 98 | 59.2 | 83.6 | 71.4 | 220 | 15 | 56.7 | 82 | 69.4 | 147 | 8 | 45.8 | 53 | 49.4 | 1 | 462 | 33.1 | 58.2 | 45.7 | 0 | 593 | 28.3 | 53.9 | 41.1 | 0 | 711 | 13.5 | 34.1 | 23.8 | 0 | 1270 | -9999.9 | -9999.9 | 44.2 | 462 | -99999 |
| BEAR RIDGE | 14.9 | 37.7 | 26.3 | 0 | 1194 | 24.4 | 47 | 35.7 | 0 | 811 | 24.1 | 49.5 | 36.8 | 0 | 867 | 30.9 | 52 | 41.5 | 0 | 697 | 40.7 | 62.9 | 51.8 | 1 | 402 | 49 | 73.2 | 61.1 | 38 | 150 | 54.9 | 82.9 | 68.9 | 160 | 33 | 55.1 | 83.7 | 69.4 | 169 | 23 | 42.1 | 68.6 | 55.4 | 18 | 302 | 35.3 | 62.9 | 49.1 | 0 | 486 | 31.5 | 58.3 | 44.9 | 4 | 598 | 24.3 | 45.5 | 34.9 | 0 | 924 | -9999.9 | -9999.9 | 48 | 390 | -99999 |
| BELLE FOURCHE | 15.1 | 39.3 | 27.2 | 0 | 1164 | 24.5 | 51.6 | 38.1 | 0 | 747 | 24.7 | 53 | 38.9 | 0 | 802 | 33.5 | 57 | 45.3 | 0 | 583 | 42.6 | 68.7 | 55.7 | 4 | 285 | 52.7 | 78.7 | 65.7 | 86 | 59 | 58.9 | 87.8 | 73.4 | 271 | 3 | 56.5 | 88.5 | 72.5 | 245 | 0 | 41 | 74.2 | 57.6 | 15 | 222 | 33.7 | 67.6 | 50.7 | 0 | 435 | 28.1 | 59.4 | 43.8 | 0 | 632 | 24 | 46.4 | 35.2 | 0 | 916 | -9999.9 | -9999.9 | 50.3 | 621 | -99999 |
| BELLE FOURCHE 22 NNW | 9.5 | 33.3 | 21.4 | 0 | 1345 | 22.6 | 46.7 | 34.7 | 0 | 843 | 23.1 | 48.3 | 35.7 | 0 | 906 | 31.2 | 53.1 | 42.2 | 0 | 692 | 41.1 | 64.8 | 53 | 2 | 369 | 51 | 73.6 | 62.3 | 40 | 113 | 56 | 84 | 70 | 194 | 32 | 55.4 | 84.9 | 70.2 | 183 | 17 | 38.9 | 71.3 | 55.1 | 16 | 308 | 31 | 62.5 | 46.8 | 0 | 557 | 26.7 | 55.6 | 41.2 | 0 | 710 | 19.6 | 43.4 | 31.5 | 0 | 1033 | -9999.9 | -9999.9 | 47 | 435 | -99999 |
| BISON | 7.9 | 29.5 | 18.7 | 0 | 1427 | 24.3 | 43.9 | 34.1 | 0 | 859 | 25.8 | 51.4 | 38.6 | 0 | 822 | 33 | 55.5 | 44.3 | 0 | 616 | 43.1 | 67.2 | 55.2 | 9 | 306 | 52.3 | 76.5 | 64.4 | 60 | 69 | 59.4 | 85.7 | 72.6 | 253 | 12 | 56.7 | 85.9 | 71.3 | 207 | 6 | 42.8 | 70.4 | 56.6 | 20 | 266 | 34.8 | 62.3 | 48.6 | 0 | 502 | 31.2 | 56 | 43.6 | 0 | 625 | 20.7 | 41.7 | 31.2 | 0 | 1040 | -9999.9 | -9999.9 | 48.3 | 549 | -99999 |
| BONESTEEL | 10.2 | 31.5 | 20.9 | 0 | 1364 | 22.8 | 46.1 | 34.5 | 0 | 850 | 24.4 | 48.9 | 36.7 | 0 | 871 | 35.9 | 55.6 | 45.8 | 0 | 570 | 46.1 | 68.9 | 57.5 | 11 | 234 | 55.3 | 76.8 | 66.1 | 102 | 62 | 63.5 | 86.9 | 75.2 | 329 | 5 | 59.7 | 85.8 | 72.8 | 251 | 2 | 46.7 | 74.9 | 60.8 | 55 | 176 | 35.5 | 64.8 | 50.2 | 0 | 457 | 30.9 | 59.1 | 45 | 0 | 593 | 18.7 | 42.2 | 30.5 | 0 | 1065 | -9999.9 | -9999.9 | 49.7 | 748 | -99999 |
| BRIDGEWATER | 4.9 | 24 | 14.5 | 0 | 1553 | 18.6 | 39.5 | 29.1 | 0 | 1000 | 22.6 | 45.1 | 33.9 | 0 | 958 | 36.9 | 55.8 | 46.4 | 0 | 553 | 47.6 | 69.1 | 58.4 | 22 | 220 | 57.5 | 77.6 | 67.6 | 137 | 52 | 65.8 | 86.1 | 76 | 351 | 3 | 57.7 | 82.2 | 70 | 168 | 7 | 48.2 | 73.2 | 60.7 | 64 | 183 | 36.6 | 62.3 | 49.5 | 0 | 476 | 29.5 | 56.8 | 43.2 | 0 | 650 | 15 | 37.5 | 26.3 | 0 | 1194 | -9999.9 | -9999.9 | 48 | 742 | -99999 |
| BRITTON | -0.6 | 19.2 | 9.3 | 0 | 1724 | 18.4 | 36.9 | 27.7 | 0 | 1038 | 24.2 | 46.5 | 35.4 | 0 | 910 | 35.1 | 57.9 | 46.5 | 0 | 550 | 46.3 | 69.2 | 57.8 | 11 | 227 | 55.6 | 77.1 | 66.4 | 113 | 63 | 62.3 | 85.1 | 73.7 | 280 | 2 | 56.9 | 82.9 | 69.9 | 168 | 7 | 46.2 | 68 | 57.1 | 10 | 240 | 34.3 | 59.3 | 46.8 | 0 | 556 | 27.9 | 52.7 | 40.3 | 0 | 732 | 14.8 | 37.6 | 26.2 | 0 | 1195 | -9999.9 | -9999.9 | 46.4 | 582 | -99999 |
| BROOKINGS 2 NE | 0.6 | 19.1 | 9.9 | 0 | 1705 | 16.7 | 36.4 | 26.6 | 0 | 1068 | 21.2 | 41.9 | 31.6 | 0 | 1030 | 34.8 | 54.4 | 44.6 | 0 | 605 | 46.1 | 69.3 | 57.7 | 16 | 235 | 56.2 | 75.7 | 66 | 119 | 82 | 61.5 | 84.5 | 73 | 268 | 11 | 55.8 | 80.8 | 68.3 | 124 | 15 | 44.2 | 71 | 57.6 | 40 | 257 | 30.5 | 59.5 | 45 | 0 | 613 | 24.9 | 54.4 | 39.7 | 0 | 752 | 11 | 35.5 | 23.3 | 0 | 1289 | -9999.9 | -9999.9 | 45.3 | 567 | -99999 |
| CAMP CROOK | 10 | 34.5 | 22.3 | 0 | 1317 | 24.9 | 45.4 | 35.2 | 0 | 827 | 25.4 | 52.4 | 38.9 | 0 | 801 | 31.5 | 54.9 | 43.2 | 0 | 649 | 40.1 | 66.5 | 53.3 | 6 | 361 | 50.6 | 74.4 | 62.5 | 40 | 110 | 54.5 | 87.2 | 70.9 | 207 | 17 | 53.4 | 88 | 70.7 | 194 | 11 | 37.9 | 71.5 | 54.7 | 11 | 312 | 31.1 | 63.3 | 47.2 | 0 | 543 | 24 | 55.1 | 39.6 | 0 | 754 | 18.4 | 43 | 30.7 | 0 | 1056 | -9999.9 | -9999.9 | 47.4 | 458 | -99999 |
| CANTON 4 WNW | 6.5 | 24.9 | 15.7 | 0 | 1521 | 22.6 | 41.1 | 31.9 | 0 | 922 | 25 | 47.5 | 36.3 | 0 | 882 | 38.2 | 60.4 | 49.3 | 0 | 465 | 49 | 71.8 | 60.4 | 29 | 164 | 58 | 78.7 | 68.4 | 163 | 55 | 64.5 | 85.5 | 75 | 321 | 2 | 59.5 | 81.8 | 70.7 | 184 | 1 | 45.6 | 74.8 | 60.2 | 54 | 190 | 35.4 | 66.7 | 51.1 | 6 | 432 | 29.6 | 57.9 | 43.8 | 0 | 627 | 14.4 | 38.4 | 26.4 | 0 | 1188 | -9999.9 | -9999.9 | 49.1 | 757 | -99999 |
| CASTLEWOOD | -0.5 | 19.5 | 9.5 | 0 | 1718 | 15.9 | 36.9 | 26.4 | 0 | 1076 | 22.1 | 43.8 | 33 | 0 | 985 | 33.9 | 56 | 45 | 0 | 594 | 44.6 | 68.5 | 56.6 | 3 | 273 | 56.3 | 76 | 66.2 | 109 | 62 | 61.8 | 84.4 | 73.1 | 264 | 4 | 55.4 | 80.6 | 68 | 110 | 10 | 44.6 | 69.6 | 57.1 | 29 | 258 | 32.5 | 58.9 | 45.7 | 0 | 591 | 26.4 | 54.9 | 40.7 | 0 | 704 | 12.1 | 35.1 | 23.6 | 0 | 1276 | -9999.9 | -9999.9 | 45.4 | 515 | -99999 |
| CEDAR BUTTE 1 NE | 12.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||