Evapotranspiration Calculations
Williamtown RAAF - January 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2026 | 3.5 | 0.0 | 24.7 | 14.8 | 93 | 63 | 4.60 | 14.21 | |
| 02/01/2026 | 4.0 | 0.8 | 24.5 | 17.0 | 94 | 56 | 2.80 | 18.59 | |
| 03/01/2026 | 5.8 | 0.0 | 27.5 | 17.2 | 90 | 53 | 4.39 | 27.28 | |
| 04/01/2026 | 6.5 | 0.6 | 34.2 | 19.9 | 93 | 35 | 4.05 | 20.61 | |
| 05/01/2026 | 5.5 | 6.4 | 26.7 | 16.3 | 95 | 63 | 3.09 | 30.63 | |
| 06/01/2026 | 5.9 | 0.0 | 28.0 | 19.8 | 93 | 59 | 3.00 | 30.32 | |
| 07/01/2026 | 6.8 | 0.0 | 32.9 | 18.2 | 96 | 39 | 2.43 | 30.79 | |
| 08/01/2026 | 8.1 | 0.0 | 36.3 | 17.0 | 89 | 29 | 3.23 | 31.52 | |
| 09/01/2026 | 8.4 | 0.0 | 37.3 | 16.8 | 88 | 31 | 3.61 | 31.46 | |
| 10/01/2026 | 10.7 | 0.0 | 40.5 | 20.0 | 86 | 18 | 5.06 | 31.36 | |
| 11/01/2026 | 2.6 | 0.0 | 23.6 | 21.9 | 97 | 65 | 6.82 | 6.04 | |
| 12/01/2026 | 3.0 | 24.8 | 24.6 | 16.7 | 97 | 71 | 2.93 | 13.85 | |
| 13/01/2026 | 5.6 | 3.4 | 28.0 | 20.0 | 95 | 60 | 3.01 | 28.44 | |
| 14/01/2026 | 4.0 | 0.0 | 27.0 | 20.5 | 86 | 59 | 3.82 | 14.87 | |
| 15/01/2026 | 5.1 | 2.0 | 29.1 | 20.6 | 94 | 53 | 4.93 | 19.74 | |
| 16/01/2026 | 3.6 | 35.6 | 25.2 | 19.7 | 93 | 72 | 4.86 | 16.40 | |
| 17/01/2026 | 5.7 | 0.0 | 27.7 | 18.2 | 94 | 58 | 4.38 | 28.22 | |
| 18/01/2026 | 3.6 | 14.0 | 24.0 | 18.0 | 96 | 69 | 5.70 | 16.54 | |
| 19/01/2026 | 5.1 | 5.8 | 25.8 | 18.1 | 95 | 51 | 3.14 | 25.18 | |
| Totals: | 103.5 | 93.4 |
