Evapotranspiration Calculations
Perisher Valley - 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 | 1.4 | 0.6 | 2.3 | -0.5 | 95 | 71 | 8.33 | 14.69 | |
| 02/10/2025 | 1.0 | 17.2 | 2.1 | -1.5 | 100 | 77 | 6.73 | 10.88 | |
| 03/10/2025 | 2.0 | 12.4 | 10.4 | -1.9 | 100 | 66 | 6.32 | 15.60 | |
| 04/10/2025 | 0.0 | 0.4 | 92 | 24 | 2.31 | 23.01 | |||
| 05/10/2025 | 4.1 | 12.6 | 1.8 | 70 | 31 | 7.64 | 23.29 | ||
| 06/10/2025 | 2.3 | 1.4 | 7.1 | 6.2 | 100 | 30 | 7.02 | 10.39 | |
| 07/10/2025 | 3.6 | 9.4 | 8.2 | -3.5 | 92 | 8 | 7.05 | 23.59 | |
| 08/10/2025 | 3.0 | 0.0 | 10.3 | 1.5 | 92 | 49 | 5.87 | 23.82 | |
| 09/10/2025 | 2.2 | 25.4 | 8.7 | 4.0 | 100 | 58 | 4.50 | 16.59 | |
| 10/10/2025 | 3.8 | 0.6 | 9.5 | 3.8 | 63 | 39 | 8.86 | 24.21 | |
| 11/10/2025 | 3.2 | 0.0 | 8.1 | 3.5 | 75 | 45 | 7.26 | 24.30 | |
| 12/10/2025 | 1.7 | 0.0 | 7.6 | 3.5 | 98 | 61 | 5.26 | 10.78 | |
| 13/10/2025 | 3.4 | 12.0 | 10.6 | -0.8 | 100 | 28 | 4.78 | 24.58 | |
| 14/10/2025 | 3.1 | 0.0 | 9.9 | 0.3 | 81 | 52 | 6.36 | 24.99 | |
| Totals: | 34.8 | 79.0 |
