Evapotranspiration Calculations
Williamtown RAAF - October 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) |
| 01/10/2026 | 5.1 | 0.0 | | 29.7 | 10.1 | 93 | 22 | 2.48 | 22.66 |
| 02/10/2026 | 4.8 | 0.0 | | 30.9 | 10.2 | 90 | 25 | 2.01 | 21.35 |
| 03/10/2026 | 1.8 | 0.0 | | 22.3 | 17.9 | 94 | 72 | 1.80 | 7.41 |
| 04/10/2026 | 5.1 | 0.0 | | 28.6 | 11.4 | 95 | 33 | 2.85 | 23.69 |
| 05/10/2026 | 3.2 | 0.0 | | 23.3 | 14.7 | 94 | 65 | 2.61 | 16.91 |
| 06/10/2026 | 4.0 | 1.6 | | 26.9 | 15.0 | 95 | 52 | 1.68 | 21.72 |
| 07/10/2026 | 3.6 | 12.4 | | 19.6 | 14.4 | 93 | 54 | 7.13 | 15.52 |
| 08/10/2026 | 3.2 | 0.8 | | 19.5 | 11.5 | 91 | 58 | 2.89 | 18.13 |
| 09/10/2026 | 4.1 | 0.2 | | 23.6 | 7.8 | 95 | 51 | 2.72 | 24.57 |
| 10/10/2026 | 4.7 | 0.0 | | 31.9 | 15.5 | 91 | 32 | 2.69 | 15.71 |
| 11/10/2026 | 4.2 | 1.4 | | 25.2 | 14.4 | 92 | 64 | 2.92 | 24.36 |
| 12/10/2026 | 7.0 | 0.0 | | 36.4 | 14.4 | 95 | 20 | 3.34 | 23.43 |
| 13/10/2026 | 2.2 | 0.4 | | 24.1 | 19.8 | 96 | 73 | 3.14 | 8.70 |
| 14/10/2026 | 2.9 | 43.4 | | 17.9 | 14.0 | 92 | 57 | 6.72 | 9.96 |
| 15/10/2026 | 3.3 | 4.6 | | 19.8 | 11.4 | 94 | 53 | 3.13 | 17.86 |
| 16/10/2026 | 3.2 | 1.4 | | 20.2 | 13.3 | 93 | 55 | 3.35 | 16.25 |
| 17/10/2026 | 3.4 | 0.0 | | 20.5 | 12.8 | 93 | 54 | 3.23 | 17.63 |
| 18/10/2026 | 4.0 | 4.4 | | 22.2 | 10.2 | 96 | 43 | 2.24 | 22.89 |
| 19/10/2026 | 3.9 | 0.0 | | 23.8 | 10.1 | 92 | 52 | 2.62 | 21.35 |
| 20/10/2026 | 4.7 | 0.0 | | 24.4 | 13.3 | 90 | 51 | 3.43 | 25.51 |
| 21/10/2026 | 3.5 | 0.0 | | 24.2 | 13.9 | 93 | 62 | 3.03 | 17.86 |
| 22/10/2026 | 2.8 | 19.2 | | 20.9 | 17.6 | 95 | 78 | 4.54 | 15.76 |
| 23/10/2026 | 4.5 | 3.8 | | 24.9 | 16.5 | 92 | 58 | 3.35 | 23.85 |
| 24/10/2026 | 5.2 | 0.0 | | 28.7 | 14.6 | 97 | 46 | 2.18 | 26.80 |
| 25/10/2026 | 5.4 | 0.0 | | 31.4 | 19.2 | 92 | 45 | 2.94 | 22.34 |
| 26/10/2026 | 2.5 | 1.0 | | 20.2 | 19.2 | 93 | 65 | 3.80 | 9.55 |
| Totals: | 102.3 | 94.6 | | | | | | | |
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