Evapotranspiration Calculations
Derby Aero - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 8.8 | 0.0 | 41.1 | 19.2 | 79 | 9 | 3.62 | 24.74 | |
| 02/10/2025 | 8.0 | 0.0 | 39.3 | 24.4 | 72 | 15 | 3.95 | 19.69 | |
| 03/10/2025 | 8.5 | 0.0 | 36.6 | 22.0 | 91 | 25 | 5.36 | 25.99 | |
| 04/10/2025 | 8.0 | 0.0 | 38.9 | 22.3 | 96 | 18 | 3.56 | 26.37 | |
| 05/10/2025 | 8.8 | 0.0 | 40.2 | 23.0 | 68 | 22 | 3.89 | 26.82 | |
| 06/10/2025 | 7.8 | 0.0 | 36.6 | 23.0 | 81 | 34 | 4.22 | 26.88 | |
| 07/10/2025 | 7.8 | 0.0 | 34.7 | 25.7 | 90 | 48 | 7.33 | 26.76 | |
| 08/10/2025 | 8.2 | 0.0 | 35.1 | 25.8 | 87 | 41 | 6.59 | 27.08 | |
| 09/10/2025 | 7.4 | 0.0 | 33.9 | 25.8 | 85 | 53 | 6.44 | 26.86 | |
| 10/10/2025 | 7.2 | 0.0 | 35.4 | 25.9 | 87 | 43 | 5.09 | 23.65 | |
| 11/10/2025 | 8.1 | 0.0 | 38.6 | 24.5 | 89 | 25 | 3.77 | 26.43 | |
| 12/10/2025 | 8.6 | 0.0 | 40.0 | 25.4 | 81 | 28 | 3.90 | 27.52 | |
| 13/10/2025 | 8.5 | 0.0 | 37.4 | 24.7 | 79 | 33 | 4.85 | 27.45 | |
| 14/10/2025 | 8.5 | 0.0 | 37.8 | 24.2 | 72 | 28 | 4.31 | 26.29 | |
| Totals: | 114.2 | 0.0 |
