Evapotranspiration Calculations
Katanning - 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 | 3.3 | 0.0 | 18.0 | 9.1 | 95 | 44 | 1.63 | 22.55 | |
| 02/10/2025 | 4.2 | 0.2 | 24.9 | 4.0 | 92 | 26 | 2.04 | 23.10 | |
| 03/10/2025 | 4.3 | 0.0 | 23.5 | 8.5 | 91 | 45 | 4.10 | 21.65 | |
| 04/10/2025 | 2.6 | 0.0 | 20.1 | 10.3 | 96 | 68 | 4.77 | 13.00 | |
| 05/10/2025 | 2.5 | 4.4 | 14.8 | 9.1 | 95 | 52 | 2.64 | 14.84 | |
| 06/10/2025 | 3.2 | 0.2 | 18.3 | 3.0 | 96 | 49 | 2.20 | 22.58 | |
| 07/10/2025 | 3.0 | 0.2 | 17.9 | 5.2 | 97 | 50 | 3.99 | 15.49 | |
| 08/10/2025 | 3.2 | 0.0 | 17.6 | 4.2 | 96 | 47 | 3.86 | 18.42 | |
| 09/10/2025 | 3.7 | 0.0 | 18.2 | 6.3 | 85 | 46 | 4.25 | 20.88 | |
| 10/10/2025 | 3.4 | 0.0 | 18.4 | 5.1 | 89 | 47 | 3.13 | 20.80 | |
| 11/10/2025 | 3.8 | 0.0 | 20.0 | 5.0 | 93 | 47 | 2.82 | 24.34 | |
| 12/10/2025 | 3.7 | 0.0 | 22.6 | 8.0 | 98 | 43 | 2.72 | 18.95 | |
| 13/10/2025 | 4.6 | 0.0 | 24.2 | 9.7 | 97 | 29 | 2.47 | 23.97 | |
| 14/10/2025 | 5.3 | 0.0 | 27.9 | 9.2 | 96 | 34 | 3.20 | 24.95 | |
| Totals: | 50.8 | 5.0 |
