| “Measured” ETP | Crop coefficients (Kc) | ||||
| Dates | ETP (mm) | Period | Corn field | Grassland | |
| June 11 | 195.3 | June 1- 21 | 0.3 | 1 | |
| June 21 - 30 | 0.6 | 1 | |||
| July 15 | 70.5 | July 1 - 20 | 0.8 | 1 | |
| July 19 | 45.9 | July 1 - 20 | 0.8 | 1 | |
| July 22 | 36.1 | July 21 - August 10 | 1 | 1 | |
| July 26 | 61.9 | July 21 - August 10 | 1 | 1 | |
| July 29 | 79.4 | July 21 - August 10 | 1 | 1 | |
| August 2 | 58.6 | July 21 - August 10 | 1 | 1 | |
| August 5 | 49.8 | July 21 - August 10 | 1 | 1 | |
| August 9 | 37.5 | July 21 - August 10 | 1 | 1 | |
| August 11 - 20 | 1.15 | 1 | |||
| August 23 | 0 | August 21 - 31 | 1 | 1 | |
| August 26 | 5.4 | August 21 - 31 | 1 | 1 | |
| August 30 | 0 | August 21 - 31 | 1 | 1 | |
| September 1 - 9 | 0 | September 1 - 9 | 0.9 | 1 | |
| September 10 - 19 | 0 | September 10 - 19 | 0.8 | 1 | |