Evapotranspiration Calculations
Katanning - December 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/12/2025 | 9.2 | 0.0 | 37.4 | 9.8 | 91 | 9 | 3.63 | 31.17 | |
| 02/12/2025 | 8.0 | 0.0 | 35.1 | 15.2 | 80 | 17 | 3.52 | 27.80 | |
| 03/12/2025 | 7.0 | 0.0 | 28.7 | 13.2 | 90 | 24 | 3.88 | 30.51 | |
| 04/12/2025 | 6.3 | 0.0 | 28.0 | 11.1 | 85 | 24 | 2.47 | 30.31 | |
| 05/12/2025 | 5.6 | 0.0 | 25.9 | 14.4 | 76 | 36 | 3.94 | 22.02 | |
| 06/12/2025 | 5.7 | 0.0 | 28.2 | 8.9 | 90 | 27 | 2.02 | 28.75 | |
| 07/12/2025 | 8.0 | 0.0 | 32.5 | 10.6 | 93 | 15 | 3.75 | 31.34 | |
| 08/12/2025 | 4.1 | 0.0 | 25.0 | 14.0 | 91 | 54 | 3.50 | 17.84 | |
| 09/12/2025 | 5.6 | 0.0 | 25.1 | 14.3 | 83 | 40 | 5.18 | 22.66 | |
| 10/12/2025 | 7.5 | 0.0 | 30.6 | 11.2 | 90 | 23 | 3.92 | 31.14 | |
| 11/12/2025 | 8.6 | 0.0 | 35.4 | 12.0 | 98 | 21 | 4.28 | 30.44 | |
| 12/12/2025 | 8.3 | 0.0 | 28.8 | 15.6 | 77 | 28 | 6.73 | 31.14 | |
| 13/12/2025 | 8.9 | 0.0 | 32.7 | 11.7 | 88 | 16 | 5.20 | 31.22 | |
| 14/12/2025 | 10.1 | 0.0 | 37.0 | 13.0 | 90 | 20 | 5.85 | 29.91 | |
| 15/12/2025 | 9.8 | 0.0 | 38.9 | 18.8 | 63 | 23 | 4.61 | 29.55 | |
| 16/12/2025 | 11.0 | 0.0 | 40.9 | 21.8 | 79 | 19 | 5.67 | 29.26 | |
| 17/12/2025 | 7.4 | 0.0 | 28.4 | 16.4 | 85 | 30 | 5.19 | 30.42 | |
| 18/12/2025 | 5.9 | 0.0 | 25.7 | 13.1 | 88 | 39 | 5.75 | 24.38 | |
| Totals: | 137.0 | 0.0 |
