| BROOKINGS-SDSU | |||||||||||||||||||
| Lat:44d19' N | |||||||||||||||||||
| Long:96d46' W | |||||||||||||||||||
| Growing Degree Days | Crop Water Use (Evapotranspiration) | ||||||||||||||||||
| (inches per day) | |||||||||||||||||||
| Relative | Wind | Solar | 24 hr | 4" soil | Base 40 | Base 50 | Alfalfa | Corn | Soybeans | ||||||||||
| Station | Temperature | Humidity | Speed | Radiance | Rainfall | Temp | Since | Emerged | Emerged | ||||||||||
| Date | Max (F) | Min (F) | Max | Min | (mph) | (MJ/m2) | (in.) | (F) | Daily | Cumul | Daily | Cumul | Daily | 5/1/02 | Daily | 5/15/02 | Daily | 6/1/02 | |
| 2-Sep | 19 | 74.3 | 52.4 | 98.0 | 35.6 | 9.4 | 22.7 | 0.0 | 71.8 | 23.4 | 3,514.4 | 13.4 | 2,284.9 | 0.26 | 33.1 | 0.15 | 20.6 | 0.20 | 15.6 |
| 1-Sep | 19 | 82.7 | 64.8 | 97.0 | 60.8 | 7.1 | 17.7 | 0.0 | 72.1 | 33.8 | 3,491.0 | 23.8 | 2,271.5 | 0.19 | 32.9 | 0.11 | 20.4 | 0.15 | 15.4 |
| 31-Aug | 19 | 84.2 | 65.2 | 85.1 | 53.1 | 9.2 | 21.3 | 0.0 | 71.1 | 34.7 | 3,457.2 | 24.7 | 2,247.7 | 0.27 | 32.7 | 0.16 | 20.3 | 0.22 | 15.2 |
| 30-Aug | 19 | 77.3 | 65.4 | 89.3 | 60.9 | 9.3 | 9.1 | 0.0 | 69.8 | 31.3 | 3,422.5 | 21.3 | 2,223.0 | 0.17 | 32.4 | 0.11 | 20.2 | 0.14 | 15.0 |
| 29-Aug | 19 | 79.8 | 63.3 | 96.5 | 56.2 | 6.5 | 19.7 | 0.0 | 73.0 | 31.6 | 3,391.2 | 21.6 | 2,201.7 | 0.20 | 32.3 | 0.13 | 20.1 | 0.17 | 14.9 |
| 28-Aug | 19 | 83.4 | 63.8 | 96.3 | 51.5 | 6.4 | 20.9 | 0.0 | 72.5 | 33.6 | 3,359.7 | 23.6 | 2,180.1 | 0.23 | 32.1 | 0.15 | 19.9 | 0.20 | 14.7 |
| 27-Aug | 19 | 81.2 | 58.2 | 97.9 | 53.2 | 5.6 | 20.9 | 0.0 | 71.1 | 29.7 | 3,326.1 | 19.7 | 2,156.6 | 0.21 | 31.8 | 0.14 | 19.8 | 0.18 | 14.5 |
| 26-Aug | 19 | 82.5 | 56.2 | 98.3 | 46.7 | 4.7 | 20.7 | 0.0 | 70.9 | 29.4 | 3,296.4 | 19.4 | 2,136.8 | 0.21 | 31.6 | 0.15 | 19.6 | 0.19 | 14.3 |
| 25-Aug | 19 | 83.9 | 56.4 | 98.7 | 41.6 | 3.3 | 22.6 | 0.0 | 70.4 | 30.2 | 3,267.0 | 20.2 | 2,117.5 | 0.21 | 31.4 | 0.15 | 19.5 | 0.19 | 14.1 |
| 24-Aug | 19 | 81.9 | 56.7 | 98.9 | 50.3 | 3.4 | 21.1 | 0.0 | 70.0 | 29.3 | 3,236.8 | 19.3 | 2,097.3 | 0.19 | 31.2 | 0.14 | 19.3 | 0.18 | 13.9 |
| 23-Aug | 19 | 77.9 | 59.9 | 98.4 | 60.3 | 3.7 | 16.9 | 0.0 | 69.7 | 28.9 | 3,207.5 | 18.9 | 2,078.0 | 0.15 | 31.0 | 0.11 | 19.2 | 0.15 | 13.7 |
| 22-Aug | 19 | 71.5 | 65.4 | 98.6 | 84.5 | 7.2 | 7.6 | 0.1 | 68.5 | 28.4 | 3,178.6 | 18.4 | 2,059.1 | 0.08 | 30.9 | 0.06 | 19.1 | 0.08 | 13.6 |
| 21-Aug | 19 | 79.0 | 64.4 | 97.3 | 72.1 | 6.9 | 12.5 | 0.5 | 67.8 | 31.7 | 3,150.2 | 21.7 | 2,040.7 | 0.14 | 30.8 | 0.11 | 19.0 | 0.14 | 13.5 |
| 20-Aug | 19 | 70.8 | 49.2 | 97.1 | 65.5 | 9.5 | 10.6 | 1.1 | 63.7 | 20.0 | 3,118.5 | 10.4 | 2,019.0 | 0.14 | 30.7 | 0.11 | 18.9 | 0.14 | 13.4 |
| 19-Aug | 19 | 74.7 | 42.6 | 97.8 | 36.0 | 4.0 | 26.1 | 0.0 | 64.4 | 18.6 | 3,098.5 | 12.3 | 2,008.6 | 0.21 | 30.5 | 0.17 | 18.8 | 0.21 | 13.3 |
| 18-Aug | 19 | 71.2 | 38.8 | 95.7 | 37.7 | 4.8 | 19.3 | 0.0 | 63.3 | 15.6 | 3,079.9 | 10.6 | 1,996.2 | 0.19 | 30.3 | 0.16 | 18.6 | 0.19 | 13.0 |
| 17-Aug | 19 | 74.1 | 45.6 | 88.0 | 28.1 | 12.0 | 25.2 | 0.0 | 66.1 | 19.9 | 3,064.3 | 12.1 | 1,985.6 | 0.33 | 30.1 | 0.28 | 18.5 | 0.34 | 12.8 |
| 16-Aug | 19 | 77.3 | 49.7 | 92.3 | 49.6 | 8.9 | 12.5 | 0.0 | 65.5 | 23.5 | 3,044.4 | 13.6 | 1,973.5 | 0.21 | 29.8 | 0.18 | 18.2 | 0.22 | 12.5 |
| 15-Aug | 19 | 74.5 | 59.9 | 86.4 | 39.7 | 7.9 | 21.0 | 0.0 | 68.6 | 27.2 | 3,020.9 | 17.2 | 1,959.9 | 0.25 | 29.6 | 0.22 | 18.0 | 0.26 | 12.3 |
| 14-Aug | 19 | 82.9 | 54.2 | 84.1 | 42.3 | 7.6 | 24.9 | 0.0 | 67.6 | 28.5 | 2,993.7 | 18.5 | 1,942.7 | 0.29 | 29.3 | 0.26 | 17.8 | 0.30 | 12.0 |
| 13-Aug | 19 | 74.6 | 48.6 | 98.8 | 31.2 | 5.0 | 26.1 | 0.0 | 67.8 | 21.6 | 2,965.2 | 12.3 | 1,924.2 | 0.24 | 29.0 | 0.21 | 17.5 | 0.25 | 11.7 |
| 12-Aug | 19 | 66.2 | 54.2 | 97.1 | 61.8 | 7.2 | 9.0 | 0.0 | 68.0 | 20.2 | 2,943.6 | 10.2 | 1,911.9 | 0.12 | 28.8 | 0.11 | 17.3 | 0.12 | 11.5 |
| 11-Aug | 19 | 85.3 | 58.6 | 95.1 | 36.9 | 7.7 | 24.5 | 0.5 | 71.0 | 31.9 | 2,923.4 | 21.9 | 1,901.7 | 0.31 | 28.7 | 0.29 | 17.2 | 0.32 | 11.4 |
| 10-Aug | 19 | 82.1 | 55.7 | 98.4 | 28.9 | 7.6 | 26.7 | 0.0 | 70.0 | 28.9 | 2,891.5 | 18.9 | 1,879.8 | 0.32 | 28.4 | 0.30 | 16.9 | 0.33 | 11.0 |
| 9-Aug | 19 | 75.6 | 61.8 | 96.9 | 58.2 | 5.2 | 10.2 | 0.6 | 71.2 | 28.7 | 2,862.5 | 18.7 | 1,860.8 | 0.14 | 28.0 | 0.13 | 16.6 | 0.14 | 10.7 |
| 8-Aug | 19 | 82.1 | 65.0 | 88.8 | 52.0 | 8.8 | 24.9 | 0.0 | 72.1 | 33.6 | 2,833.8 | 23.6 | 1,842.1 | 0.28 | 27.9 | 0.27 | 16.5 | 0.29 | 10.6 |
| 7-Aug | 19 | 82.9 | 64.4 | 94.2 | 67.9 | 10.0 | 23.4 | 0.0 | 71.8 | 33.6 | 2,800.3 | 23.6 | 1,818.6 | 0.23 | 27.6 | 0.22 | 16.2 | 0.23 | 10.3 |
| 6-Aug | 19 | 77.5 | 64.7 | 98.1 | 70.9 | 12.0 | 17.4 | 2.0 | 69.9 | 31.1 | 2,766.7 | 21.1 | 1,795.0 | 0.18 | 27.4 | 0.17 | 16.0 | 0.18 | 10.1 |
| 5-Aug | 19 | 74.2 | 64.1 | 94.9 | 74.4 | 11.3 | 14.4 | 0.0 | 69.7 | 29.2 | 2,735.6 | 19.2 | 1,773.8 | 0.15 | 27.2 | 0.15 | 15.8 | 0.15 | 9.9 |
| 4-Aug | 19 | 71.0 | 64.0 | 98.4 | 85.9 | 8.5 | 5.6 | 0.0 | 69.7 | 27.5 | 2,706.4 | 17.5 | 1,754.7 | 0.07 | 27.1 | 0.07 | 15.7 | 0.07 | 9.7 |
| 3-Aug | 19 | 94.2 | 63.2 | 96.9 | 42.8 | 9.0 | 15.6 | 0.1 | 160.0 | 34.6 | 2,678.9 | 24.6 | 1,737.1 | 0.31 | 27.0 | 0.31 | 15.6 | 0.31 | 9.7 |
| 2-Aug | 19 | 76.0 | 59.1 | 85.0 | 40.1 | 5.4 | 25.2 | 0.0 | 162.7 | 27.6 | 2,644.3 | 17.6 | 1,712.6 | 0.25 | 26.7 | 0.25 | 15.3 | 0.24 | 9.3 |
| 1-Aug | 19 | 80.2 | 52.7 | 92.7 | 33.9 | 11.0 | 26.9 | 0.0 | 167.0 | 26.5 | 2,616.7 | 16.5 | 1,695.0 | 0.34 | 26.4 | 0.35 | 15.0 | 0.33 | 9.1 |
| 31-Jul | 19 | 97.0 | 69.1 | 91.8 | 32.2 | 8.0 | 27.2 | 0.0 | 24.4 | 37.5 | 2,590.3 | 27.5 | 1,678.5 | 0.41 | 26.1 | 0.41 | 14.7 | 0.39 | 8.8 |
| 30-Jul | 19 | 94.2 | 64.0 | 95.4 | 15.6 | 6.2 | 21.4 | 0.0 | 23.6 | 35.0 | 2,552.7 | 25.0 | 1,651.0 | 0.36 | 25.7 | 0.37 | 14.3 | 0.34 | 8.4 |
| 29-Jul | 19 | 91.3 | 55.0 | 98.3 | 22.2 | 5.2 | 28.7 | 0.0 | 22.5 | 30.5 | 2,517.7 | 20.5 | 1,626.0 | 0.35 | 25.3 | 0.36 | 13.9 | 0.32 | 8.0 |
| 31-Jul | 19 | 97.0 | 69.1 | 91.8 | 32.2 | 8.0 | 27.2 | 0.0 | 24.4 | 37.5 | 2,487.2 | 27.5 | 1,605.5 | 0.41 | 25.0 | 0.41 | 13.6 | 0.39 | 7.7 |
| 30-Jul | 19 | 94.2 | 64.0 | 95.4 | 15.6 | 6.2 | 21.4 | 0.0 | 23.6 | 35.0 | 2,449.7 | 25.0 | 1,578.0 | 0.36 | 24.6 | 0.37 | 13.1 | 0.34 | 7.3 |
| 29-Jul | 19 | 91.3 | 55.0 | 98.3 | 22.2 | 5.2 | 28.7 | 0.0 | 22.5 | 30.5 | 2,414.7 | 20.5 | 1,553.0 | 0.35 | 24.2 | 0.36 | 12.8 | 0.32 | 7.0 |
| 25-Jul | 19 | 85.6 | 63.0 | 93.2 | 38.7 | 5.0 | 24.7 | 0.0 | 26.0 | 34.3 | 2,384.2 | 24.3 | 1,532.5 | 0.27 | 23.9 | 0.28 | 12.4 | 0.24 | 6.7 |
| 24-Jul | 19 | 82.7 | 60.4 | 91.9 | 56.2 | 10.7 | 19.2 | 0.1 | 24.2 | 31.5 | 2,349.9 | 21.5 | 1,508.2 | 0.26 | 23.6 | 0.26 | 12.1 | 0.22 | 6.4 |
| 23-Jul | 19 | 74.9 | 43.4 | 98.4 | 44.7 | 4.7 | 19.4 | 0.1 | 20.9 | 19.2 | 2,318.3 | 12.5 | 1,486.6 | 0.19 | 23.3 | 0.20 | 11.9 | 0.16 | 6.2 |
| 22-Jul | 19 | 77.4 | 54.7 | 98.7 | 39.1 | 7.7 | 28.4 | 0.0 | 23.0 | 26.0 | 2,299.1 | 16.0 | 1,474.1 | 0.28 | 23.1 | 0.29 | 11.7 | 0.23 | 6.0 |
| 21-Jul | 19 | 85.5 | 60.2 | 95.1 | 53.1 | 6.2 | 14.6 | 0.0 | 75.7 | 32.8 | 2,273.1 | 22.8 | 1,458.1 | 0.21 | 22.8 | 0.21 | 11.4 | 0.17 | 5.8 |
| 20-Jul | 19 | 101.4 | 74.5 | 92.1 | 35.8 | 9.4 | 25.8 | 0.0 | 75.2 | 40.2 | 2,240.3 | 30.2 | 1,435.3 | 0.44 | 22.6 | 0.45 | 11.2 | 0.34 | 5.6 |
| 19-Jul | 19 | 88.5 | 70.4 | 92.8 | 62.5 | 9.5 | 24.2 | 0.0 | 73.4 | 38.2 | 2,200.0 | 28.2 | 1,405.0 | 0.28 | 22.2 | 0.28 | 10.7 | 0.21 | 5.3 |
| 18-Jul | 19 | 85.4 | 70.3 | 94.1 | 55.2 | 7.5 | 16.5 | 0.0 | 73.9 | 37.8 | 2,161.8 | 27.8 | 1,376.8 | 0.23 | 21.9 | 0.23 | 10.4 | 0.17 | 5.1 |
| 17-Jul | 19 | 93.5 | 61.4 | 94.0 | 31.4 | 6.2 | 28.0 | 0.0 | 74.0 | 33.7 | 2,124.0 | 23.7 | 1,349.0 | 0.36 | 21.7 | ||||