Evapotranspiration Calculations
South Johnstone Exp Stn - 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 | 5.0 | 0.2 | 31.2 | 16.9 | 97 | 52 | 1.19 | 26.25 | |
| 02/10/2025 | 5.1 | 0.2 | 32.9 | 17.5 | 97 | 37 | 0.99 | 26.32 | |
| 03/10/2025 | 5.2 | 0.0 | 33.1 | 17.2 | 97 | 23 | 1.05 | 26.24 | |
| 04/10/2025 | 4.6 | 0.2 | 28.8 | 17.8 | 94 | 58 | 2.27 | 22.92 | |
| 05/10/2025 | 4.7 | 0.0 | 28.2 | 18.7 | 96 | 52 | 2.18 | 23.35 | |
| 06/10/2025 | 3.8 | 0.0 | 27.6 | 22.1 | 94 | 56 | 2.14 | 16.84 | |
| 07/10/2025 | 3.0 | 0.8 | 26.7 | 20.1 | 96 | 70 | 1.50 | 14.49 | |
| 08/10/2025 | 4.9 | 0.2 | 30.0 | 21.0 | 96 | 58 | 1.69 | 24.31 | |
| 09/10/2025 | 3.9 | 0.2 | 30.3 | 21.8 | 96 | 67 | 1.56 | 18.45 | |
| 10/10/2025 | 4.5 | 0.2 | 29.8 | 23.9 | 96 | 63 | 1.76 | 21.48 | |
| 11/10/2025 | 4.6 | 0.2 | 29.5 | 20.3 | 96 | 58 | 1.66 | 22.42 | |
| 12/10/2025 | 2.8 | 0.2 | 29.6 | 21.4 | 96 | 68 | 1.55 | 11.69 | |
| 13/10/2025 | 4.4 | 0.2 | 30.8 | 22.6 | 97 | 64 | 1.56 | 20.68 | |
| 14/10/2025 | 3.6 | 2.4 | 30.5 | 24.3 | 96 | 71 | 1.43 | 16.25 | |
| Totals: | 60.1 | 5.0 |
