Evapotranspiration Calculations
Katanning - September 2026 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2026 | 1.9 | 1.6 | 14.5 | 5.8 | 99 | 55 | 2.39 | 13.04 | |
| 02/09/2026 | 1.9 | 0.2 | 16.7 | 9.6 | 98 | 68 | 3.09 | 12.61 | |
| 03/09/2026 | 2.7 | 0.8 | 18.3 | 8.5 | 99 | 52 | 4.20 | 16.06 | |
| 04/09/2026 | 3.0 | 0.4 | 16.3 | 9.9 | 93 | 50 | 6.21 | 16.47 | |
| 05/09/2026 | 2.0 | 0.4 | 17.0 | 3.8 | 93 | 59 | 2.67 | 11.80 | |
| 06/09/2026 | 1.9 | 7.8 | 15.0 | 9.9 | 97 | 70 | 5.07 | 10.90 | |
| 07/09/2026 | 2.2 | 0.2 | 18.1 | 7.5 | 99 | 66 | 4.02 | 13.28 | |
| 08/09/2026 | 3.1 | 1.0 | 17.1 | 8.9 | 97 | 49 | 5.49 | 17.88 | |
| 09/09/2026 | 3.2 | 0.6 | 17.5 | 8.8 | 96 | 45 | 5.13 | 17.77 | |
| 10/09/2026 | 3.0 | 0.0 | 18.1 | 4.4 | 92 | 43 | 3.06 | 19.19 | |
| 11/09/2026 | 0.0 | 6.2 | 96 | 49 | 2.86 | 17.64 | |||
| 12/09/2026 | 3.7 | 1.4 | 19.4 | 10.8 | 94 | 47 | 6.60 | 19.12 | |
| 13/09/2026 | 3.0 | 0.0 | 19.6 | 6.0 | 94 | 50 | 3.95 | 15.28 | |
| 14/09/2026 | 2.3 | 0.0 | 18.5 | 7.1 | 96 | 62 | 3.73 | 12.31 | |
| 15/09/2026 | 2.9 | 0.0 | 20.6 | 10.0 | 94 | 58 | 5.49 | 12.03 | |
| Totals: | 36.8 | 14.4 |
