Evapotranspiration Calculations
Sheffield School Farm - September 2025 daily calculations
| Date | Evapotrans- piration (mm) 0000- 2400 | Rain (mm) 0900- 0900 | Pan Evaporation (mm) 0900- 0900 | Max Temp | Min Temp | Max Rel Hum (%) | Min Rel Hum (%) | Average 10m Wind Speed (m/sec) | Solar Radiation (MJ/sq m) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2025 | 2.1 | 0.0 | 13.4 | 5.5 | 87 | 49 | 3.51 | 14.05 | |
| 02/09/2025 | 1.1 | 0.0 | 11.1 | 1.6 | 96 | 78 | 3.14 | 7.87 | |
| 03/09/2025 | 1.5 | 23.8 | 10.2 | 5.6 | 92 | 68 | 4.01 | 10.43 | |
| 04/09/2025 | 1.5 | 4.8 | 8.7 | 4.1 | 92 | 64 | 3.64 | 12.96 | |
| 05/09/2025 | 1.8 | 1.8 | 12.1 | 1.7 | 93 | 44 | 1.81 | 15.00 | |
| 06/09/2025 | 1.3 | 0.2 | 12.4 | 0.5 | 97 | 57 | 0.57 | 13.18 | |
| 07/09/2025 | 1.1 | 0.6 | 12.7 | 3.5 | 98 | 65 | 1.99 | 4.76 | |
| 08/09/2025 | 1.9 | 49.0 | 14.5 | 7.5 | 95 | 65 | 5.60 | 9.96 | |
| 09/09/2025 | 2.0 | 8.0 | 11.0 | 3.8 | 79 | 62 | 4.70 | 13.85 | |
| 10/09/2025 | 1.6 | 0.2 | 12.7 | 1.2 | 89 | 52 | 0.81 | 14.91 | |
| 11/09/2025 | 2.1 | 0.0 | 13.8 | 4.5 | 84 | 52 | 2.56 | 15.30 | |
| 12/09/2025 | 1.9 | 0.0 | 14.0 | 5.5 | 91 | 63 | 3.06 | 13.26 | |
| 13/09/2025 | 2.2 | 0.2 | 17.1 | 6.5 | 91 | 57 | 2.59 | 14.13 | |
| 14/09/2025 | 1.9 | 0.0 | 15.1 | 7.9 | 96 | 68 | 3.75 | 13.18 | |
| 15/09/2025 | 2.7 | 0.0 | 17.8 | 8.8 | 85 | 50 | 3.57 | 13.98 | |
| 16/09/2025 | 1.9 | 3.4 | 13.8 | 8.9 | 93 | 60 | 5.36 | 7.13 | |
| 17/09/2025 | 2.1 | 8.6 | 10.4 | 5.0 | 92 | 57 | 4.64 | 16.75 | |
| 18/09/2025 | 1.6 | 0.4 | 12.4 | 3.2 | 98 | 66 | 2.40 | 11.76 | |
| 19/09/2025 | 1.7 | 8.0 | 14.0 | 6.6 | 98 | 72 | 4.20 | 11.44 | |
| 20/09/2025 | 2.0 | 3.6 | 11.0 | 3.0 | 97 | 60 | 4.77 | 15.82 | |
| Totals: | 36.0 | 112.6 |
