Evapotranspiration Calculations
Horsham Aerodrome - 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 | 3.7 | 0.6 | 17.8 | 4.5 | 98 | 46 | 7.81 | 20.80 | |
| 02/10/2025 | 3.6 | 2.2 | 16.5 | 6.0 | 92 | 48 | 8.09 | 19.29 | |
| 03/10/2025 | 3.3 | 0.0 | 19.7 | 7.2 | 97 | 51 | 5.11 | 16.73 | |
| 04/10/2025 | 4.7 | 0.0 | 26.5 | 1.2 | 98 | 26 | 2.68 | 22.60 | |
| 05/10/2025 | 6.4 | 0.0 | 28.8 | 7.6 | 94 | 19 | 6.16 | 12.46 | |
| 06/10/2025 | 3.1 | 1.8 | 16.1 | 9.1 | 92 | 44 | 4.92 | 14.02 | |
| 07/10/2025 | 3.4 | 0.2 | 17.9 | 8.6 | 91 | 43 | 4.51 | 15.99 | |
| 08/10/2025 | 4.4 | 0.0 | 21.3 | 1.7 | 94 | 40 | 5.47 | 22.40 | |
| 09/10/2025 | 4.2 | 0.0 | 20.2 | 4.8 | 98 | 40 | 6.55 | 19.46 | |
| 10/10/2025 | 5.0 | 1.4 | 22.0 | 4.7 | 93 | 40 | 9.22 | 19.54 | |
| 11/10/2025 | 4.6 | 0.0 | 20.8 | 8.5 | 96 | 35 | 6.73 | 19.72 | |
| 12/10/2025 | 3.9 | 0.4 | 20.0 | 3.8 | 98 | 41 | 5.67 | 17.00 | |
| 13/10/2025 | 3.9 | 0.0 | 19.0 | 1.3 | 98 | 32 | 3.13 | 24.18 | |
| 14/10/2025 | 4.6 | 0.0 | 21.4 | 3.9 | 90 | 36 | 4.59 | 23.86 | |
| Totals: | 58.8 | 6.6 |
