Evapotranspiration Calculations
Onslow Airport - December 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) |
| 01/12/2025 | 7.0 | 0.0 | | 35.6 | 21.7 | 93 | 64 | 5.05 | 30.06 |
| 02/12/2025 | 8.8 | 0.0 | | 36.3 | 25.1 | 77 | 39 | 5.31 | 29.38 |
| 03/12/2025 | 10.9 | 0.0 | | 39.4 | 25.5 | 75 | 26 | 6.64 | 29.47 |
| 04/12/2025 | 11.1 | 0.0 | | 38.3 | 25.9 | 69 | 28 | 7.26 | 29.83 |
| 05/12/2025 | 9.8 | 0.0 | | 34.9 | 22.6 | 81 | 30 | 7.46 | 30.23 |
| 06/12/2025 | 11.9 | 0.0 | | 38.2 | 22.9 | 66 | 20 | 7.70 | 30.26 |
| 07/12/2025 | 14.3 | 0.0 | | 43.5 | 24.3 | 63 | 10 | 7.52 | 30.32 |
| 08/12/2025 | 14.6 | 0.0 | | 43.3 | 23.7 | 64 | 11 | 8.18 | 30.20 |
| 09/12/2025 | 14.2 | 0.0 | | 43.2 | 25.1 | 65 | 9 | 7.62 | 30.31 |
| 10/12/2025 | 12.3 | 0.0 | | 39.6 | 23.8 | 66 | 21 | 7.71 | 30.28 |
| 11/12/2025 | 11.1 | 0.0 | | 39.7 | 23.7 | 75 | 26 | 6.73 | 30.13 |
| 12/12/2025 | 11.1 | 0.0 | | 38.3 | 23.0 | 79 | 26 | 7.56 | 30.20 |
| 13/12/2025 | 7.5 | 0.0 | | 31.4 | 22.4 | 80 | 53 | 6.56 | 30.19 |
| 14/12/2025 | 7.7 | 0.0 | | 33.2 | 21.9 | 89 | 42 | 5.07 | 30.21 |
| 15/12/2025 | 8.2 | 0.0 | | 34.2 | 23.8 | 92 | 41 | 5.92 | 30.25 |
| 16/12/2025 | 8.4 | 0.0 | | 33.5 | 24.1 | 90 | 35 | 5.98 | 30.36 |
| 17/12/2025 | 9.2 | 0.0 | | 36.0 | 24.0 | 84 | 34 | 6.08 | 30.14 |
| 18/12/2025 | 7.9 | 0.0 | | 34.9 | 26.4 | 88 | 51 | 5.20 | 30.26 |
| Totals: | 186.0 | 0.0 | | | | | | | |
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