| Weather Data for Northwest Research-Extension Center, Colby, Kansas | |||||||||||||||
| Year 2011 | Note: Weather data for previous 24 hours used to calculate ET. | ||||||||||||||
| Penman Alfalfa-based reference ET | |||||||||||||||
| Temperatures in degree F | ETcorn | ETlawn | |||||||||||||
| Month | Day | Tmax | Tmin | Tdry | Twet | Solar | Wind | Rain | RH % | ETr | Today | 3 day | Today | 3 day | |
| 8:00 AM | Rad | mi/day | inches | 8:00am | inches | inches | inches | inches | inches | ||||||
| 4 | APR | 1 | 68 | 32 | 51 | 47 | 549 | 36 | 0.00 | 75 | 0.14 | 0.00 | 0.00 | 0.11 | 0.11 |
| 4 | APR | 2 | 83 | 50 | 56 | 46 | 571 | 188 | 0.00 | 45 | 0.42 | 0.00 | 0.00 | 0.34 | 0.22 |
| 4 | APR | 3 | 71 | 27 | 29 | 27 | 447 | 222 | 0.00 | 79 | 0.37 | 0.00 | 0.00 | 0.30 | 0.25 |
| 4 | APR | 4 | 54 | 26 | 33 | 28 | 593 | 134 | 0.00 | 53 | 0.21 | 0.00 | 0.00 | 0.17 | 0.27 |
| 4 | APR | 5 | 79 | 33 | 40 | 37 | 566 | 146 | 0.00 | 76 | 0.33 | 0.00 | 0.00 | 0.26 | 0.24 |
| 4 | APR | 6 | 66 | 40 | 45 | 40 | 585 | 100 | 0.00 | 64 | 0.22 | 0.00 | 0.00 | 0.18 | 0.20 |
| 4 | APR | 7 | 64 | 41 | 43 | 43 | 356 | 121 | 0.00 | 100 | 0.15 | 0.00 | 0.00 | 0.12 | 0.19 |
| 4 | APR | 8 | 83 | 36 | 42 | 41 | 504 | 123 | 0.00 | 92 | 0.30 | 0.00 | 0.00 | 0.24 | 0.18 |
| 4 | APR | 9 | 90 | 40 | 45 | 43 | 570 | 231 | 0.00 | 85 | 0.52 | 0.00 | 0.00 | 0.41 | 0.26 |
| 4 | APR | 10 | 64 | 36 | 37 | 36 | 559 | 173 | 0.02 | 91 | 0.25 | 0.00 | 0.00 | 0.20 | 0.28 |
| 4 | APR | 11 | 66 | 32 | 42 | 36 | 655 | 91 | 0.00 | 55 | 0.24 | 0.00 | 0.00 | 0.19 | 0.27 |
| 4 | APR | 12 | 82 | 38 | 42 | 41 | 564 | 181 | 0.00 | 92 | 0.37 | 0.00 | 0.00 | 0.30 | 0.23 |
| 4 | APR | 13 | 68 | 35 | 35 | 35 | 618 | 192 | 0.00 | 100 | 0.30 | 0.00 | 0.00 | 0.24 | 0.24 |
| 4 | APR | 14 | 38 | 28 | 31 | 31 | 36 | 366 | 0.46 | 100 | 0.04 | 0.00 | 0.00 | 0.04 | 0.19 |
| 4 | APR | 15 | 49 | 26 | 33 | 33 | 685 | 225 | 0.00 | 100 | 0.18 | 0.00 | 0.00 | 0.14 | 0.14 |
| 4 | APR | 16 | 71 | 33 | 37 | 36 | 658 | 58 | 0.00 | 91 | 0.21 | 0.00 | 0.00 | 0.17 | 0.12 |
| 4 | APR | 17 | 80 | 36 | 39 | 39 | 444 | 89 | 0.00 | 100 | 0.23 | 0.00 | 0.00 | 0.19 | 0.17 |
| 4 | APR | 18 | 56 | 35 | 36 | 36 | 293 | 148 | 0.02 | 100 | 0.14 | 0.00 | 0.00 | 0.11 | 0.16 |
| 4 | APR | 19 | 55 | 35 | 38 | 38 | 383 | 79 | 0.00 | 100 | 0.11 | 0.00 | 0.00 | 0.09 | 0.13 |
| 4 | APR | 20 | 58 | 38 | 41 | 39 | 400 | 134 | 0.00 | 84 | 0.16 | 0.00 | 0.00 | 0.13 | 0.11 |
| 4 | APR | 21 | 75 | 40 | 45 | 45 | 485 | 159 | 0.01 | 100 | 0.26 | 0.00 | 0.00 | 0.21 | 0.14 |
| 4 | APR | 22 | 69 | 42 | 42 | 38 | 531 | 123 | 0.00 | 69 | 0.25 | 0.00 | 0.00 | 0.20 | 0.18 |
| 4 | APR | 23 | 48 | 35 | 38 | 38 | 262 | 81 | 0.04 | 100 | 0.07 | 0.00 | 0.00 | 0.05 | 0.15 |
| 4 | APR | 24 | 56 | 37 | 39 | 39 | 307 | 106 | 0.58 | 100 | 0.11 | 0.00 | 0.00 | 0.09 | 0.12 |
| 4 | APR | 25 | 49 | 33 | 37 | 37 | 167 | 73 | 0.35 | 100 | 0.06 | 0.00 | 0.00 | 0.04 | 0.06 |
| 4 | APR | 26 | 62 | 36 | 40 | 40 | 399 | 116 | 0.41 | 100 | 0.15 | 0.00 | 0.00 | 0.12 | 0.09 |
| 4 | APR | 27 | 56 | 35 | 41 | 37 | 418 | 117 | 0.00 | 69 | 0.16 | 0.00 | 0.00 | 0.13 | 0.10 |
| 4 | APR | 28 | 70 | 41 | 50 | 44 | 730 | 140 | 0.00 | 62 | 0.31 | 0.00 | 0.00 | 0.25 | 0.17 |
| 4 | APR | 29 | 85 | 32 | 43 | 36 | 656 | 228 | 0.00 | 49 | 0.56 | 0.00 | 0.00 | 0.45 | 0.28 |
| 4 | APR | 30 | 59 | 33 | 35 | 35 | 730 | 166 | 0.00 | 100 | 0.25 | 0.00 | 0.00 | 0.20 | 0.30 |
| 5 | MAY | 1 | 60 | 35 | 37 | 36 | 566 | 68 | 0.00 | 91 | 0.17 | 0.00 | 0.00 | 0.13 | 0.13 |
| 5 | MAY | 2 | 59 | 32 | 39 | 38 | 630 | 74 | 0.00 | 92 | 0.17 | 0.00 | 0.00 | 0.13 | 0.19 |
| 5 | MAY | 3 | 74 | 39 | 45 | 40 | 727 | 90 | 0.00 | 64 | 0.29 | 0.00 | 0.00 | 0.23 | 0.19 |
| 5 | MAY | 4 | 74 | 35 | 40 | 39 | 607 | 140 | 0.00 | 92 | 0.29 | 0.00 | 0.00 | 0.23 | 0.20 |
| 5 | MAY | 5 | 69 | 40 | 53 | 43 | 699 | 107 | 0.00 | 42 | 0.28 | 0.00 | 0.00 | 0.23 | 0.23 |
| 5 | MAY | 6 | 86 | 44 | 55 | 47 | 722 | 186 | 0.00 | 54 | 0.47 | 0.00 | 0.00 | 0.38 | 0.28 |
| 5 | MAY | 7 | 85 | 49 | 56 | 53 | 722 | 186 | 0.00 | 82 | 0.41 | 0.00 | 0.00 | 0.33 | 0.31 |
| 5 | MAY | 8 | 97 | 51 | 61 | 46 | 746 | 110 | 0.00 | 28 | 0.46 | 0.00 | 0.00 | 0.37 | 0.36 |
| 5 | MAY | 9 | 94 | 43 | 50 | 47 | 722 | 171 | 0.00 | 80 | 0.50 | 0.00 | 0.00 | 0.40 | 0.37 |
| 5 | MAY | 10 | 86 | 51 | 62 | 61 | 734 | 113 | 0.00 | 95 | 0.30 | 0.00 | 0.00 | 0.24 | 0.34 |
| 5 | MAY | 11 | 72 | 47 | 48 | 47 | 409 | 163 | 0.12 | 93 | 0.24 | 0.00 | 0.00 | 0.19 | 0.28 |
| 5 | MAY | 12 | 53 | 41 | 44 | 43 | 227 | 244 | 0.09 | 92 | 0.12 | 0.00 | 0.00 | 0.09 | 0.18 |
| 5 | MAY | 13 | 62 | 33 | 46 | 43 | 601 | 138 | 0.00 | 79 | 0.20 | 0.00 | 0.00 | 0.16 | 0.15 |
| 5 | MAY | 14 | 58 | 39 | 41 | 39 | 529 | 142 | 0.00 | 84 | 0.20 | 0.00 | 0.00 | 0.16 | 0.14 |
| 5 | MAY | 15 | 57 | 30 | 40 | 40 | 504 | 86 | 0.00 | 100 | 0.13 | 0.03 | 0.01 | 0.10 | 0.14 |
| 5 | MAY | 16 | 72 | 40 | 49 | 44 | 721 | 143 | 0.00 | 67 | 0.31 | 0.06 | 0.03 | 0.25 | 0.17 |
| 5 | MAY | 17 | 73 | 47 | 47 | 45 | 512 | 208 | 0.00 | 86 | 0.32 | 0.06 | 0.05 | 0.26 | 0.20 |
| 5 | MAY | 18 | 51 | 46 | 49 | 49 | 154 | 141 | 0.35 | 100 | 0.04 | 0.01 | 0.04 | 0.03 | 0.18 |
| 5 | MAY | 19 | 73 | 45 | 47 | 46 | 373 | 98 | 0.05 | 93 | 0.19 | 0.04 | 0.04 | 0.15 | 0.15 |
| 5 | MAY | 20 | 72 | 45 | 56 | 53 | 668 | 69 | 0.00 | 82 | 0.21 | 0.04 | 0.03 | 0.17 | 0.12 |
| 5 | MAY | 21 | 79 | 45 | 57 | 53 | 600 | 75 | 0.00 | 77 | 0.23 | 0.05 | 0.04 | 0.19 | 0.17 |
| 5 | MAY | 22 | 83 | 53 | 61 | 55 | 743 | 111 | 0.00 | 69 | 0.34 | 0.07 | 0.05 | 0.27 | 0.21 |
| 5 | MAY | 23 | 82 | 52 | 56 | 52 | 634 | 126 | 0.67 | 77 | 0.32 | 0.06 | 0.06 | 0.26 | 0.24 |
| 5 | MAY | 24 | 72 | 50 | 52 | 52 | 501 | 183 | 1.00 | 100 | 0.24 | 0.05 | 0.06 | 0.19 | 0.24 |
| 5 | MAY | 25 | 63 | 36 | 45 | 44 | 256 | 146 | 0.04 | 93 | 0.13 | 0.03 | 0.05 | 0.11 | 0.18 |
| 5 | MAY | 26 | 70 | 45 | 52 | 51 | 653 | 128 | 0.00 | 94 | 0.23 | 0.05 | 0.04 | 0.18 | 0.16 |
| 5 | MAY | 27 | 74 | 50 | 56 | 51 | 750 | 86 | 0.00 | 71 | 0.28 | 0.06 | 0.05 | 0.22 | 0.17 |
| 5 | MAY | 28 | 74 | 54 | 56 | 56 | 529 | 129 | 0.00 | 100 | 0.22 | 0.05 | 0.05 | 0.17 | 0.19 |
| 5 | MAY | 29 | 86 | 49 | 76 | 65 | 596 | 203 | 0.00 | 56 | 0.34 | 0.08 | 0.06 | 0.27 | 0.22 |
| 5 | MAY | 30 | 98 | 41 | 52 | 47 | 745 | 226 | 0.00 | 69 | 0.66 | 0.17 | 0.10 | 0.53 | 0.32 |
| 5 | MAY | 31 | 83 | 52 | 65 | 58 | 789 | 109 | 0.00 | 66 | 0.34 | 0.09 | 0.11 | 0.27 | 0.36 |
| 6 | JUN | 1 | 93 | 64 | 73 | 61 | 597 | 218 | 0.00 | 50 | 0.50 | 0.14 | 0.13 | 0.40 | 0.40 |
| 6 | JUN | 2 | 99 | 71 | 73 | 60 | 503 | 264 | 0.00 | 47 | 0.63 | 0.18 | 0.13 | 0.50 | 0.39 |