Evapotranspiration Calculations
Williamtown RAAF - April 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) |
| 01/04/2026 | 3.7 | 0.0 | | 26.9 | 12.1 | 94 | 46 | 2.30 | 19.32 |
| 02/04/2026 | 3.6 | 0.0 | | 27.8 | 13.0 | 95 | 53 | 2.32 | 18.36 |
| 03/04/2026 | 3.4 | 0.0 | | 26.3 | 13.1 | 97 | 59 | 2.42 | 19.04 |
| 04/04/2026 | 2.2 | 0.4 | | 23.9 | 18.2 | 96 | 67 | 3.98 | 7.44 |
| 05/04/2026 | 3.6 | 15.0 | | 23.4 | 17.4 | 88 | 50 | 3.83 | 17.08 |
| 06/04/2026 | 2.2 | 0.0 | | 22.9 | 11.3 | 93 | 52 | 1.38 | 10.86 |
| 07/04/2026 | 5.1 | 0.4 | | 31.9 | 14.1 | 93 | 31 | 3.50 | 18.10 |
| 08/04/2026 | 3.6 | 0.0 | | 28.3 | 16.7 | 94 | 54 | 2.41 | 18.13 |
| 09/04/2026 | 3.4 | 0.0 | | 29.0 | 14.1 | 95 | 48 | 1.64 | 18.02 |
| 10/04/2026 | 2.9 | 0.0 | | 28.9 | 16.0 | 95 | 41 | 1.54 | 12.39 |
| 11/04/2026 | 4.5 | 0.0 | | 29.2 | 19.8 | 89 | 29 | 3.24 | 17.27 |
| 12/04/2026 | 4.9 | 0.0 | | 23.4 | 8.8 | 68 | 26 | 5.07 | 17.57 |
| 13/04/2026 | | 0.0 | | | 10.1 | 86 | 37 | 3.07 | 17.41 |
| 14/04/2026 | 3.5 | 0.0 | | 24.8 | 9.3 | 93 | 35 | 2.75 | 17.23 |
| 15/04/2026 | 3.4 | 0.4 | | 26.0 | 8.4 | 95 | 31 | 2.19 | 17.03 |
| 16/04/2026 | 3.3 | 0.0 | | 29.4 | 10.1 | 95 | 30 | 1.53 | 16.91 |
| 17/04/2026 | 5.0 | 0.0 | | 30.4 | 9.3 | 87 | 23 | 3.61 | 16.70 |
| 18/04/2026 | 3.5 | 0.4 | | 21.4 | 10.9 | 89 | 40 | 4.13 | 16.60 |
| 19/04/2026 | 3.3 | 0.0 | | 21.8 | 8.5 | 90 | 38 | 3.39 | 16.38 |
| 20/04/2026 | 2.9 | 0.0 | | 22.5 | 10.9 | 88 | 56 | 4.39 | 11.56 |
| 21/04/2026 | 3.3 | 0.0 | | 23.6 | 13.1 | 91 | 49 | 4.51 | 13.92 |
| 22/04/2026 | 3.1 | 4.0 | | 23.4 | 13.9 | 95 | 47 | 4.36 | 11.12 |
| 23/04/2026 | 2.9 | 0.8 | | 23.6 | 14.2 | 93 | 49 | 3.48 | 11.52 |
| 24/04/2026 | 2.6 | 0.2 | | 23.9 | 12.8 | 95 | 54 | 2.34 | 13.89 |
| 25/04/2026 | 2.2 | 2.6 | | 23.6 | 13.1 | 98 | 58 | 1.42 | 14.35 |
| 26/04/2026 | 2.4 | 0.0 | | 23.8 | 8.9 | 96 | 46 | 1.50 | 15.04 |
| Totals: | 84.5 | 24.2 | | | | | | | |
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