Evapotranspiration Calculations
Grafton 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 | 6.4 | 0.0 | | 28.9 | 14.1 | 95 | 28 | 2.64 | 31.04 |
| 02/12/2025 | 6.3 | 0.0 | | 27.1 | 13.0 | 97 | 21 | 2.70 | 31.00 |
| 03/12/2025 | 5.6 | 0.0 | | 26.9 | 10.7 | 96 | 39 | 2.04 | 31.16 |
| 04/12/2025 | 6.3 | 0.0 | | 30.0 | 14.3 | 97 | 40 | 2.44 | 31.21 |
| 05/12/2025 | 6.6 | 0.0 | | 32.4 | 14.5 | 96 | 38 | 2.35 | 31.24 |
| 06/12/2025 | 6.9 | 0.0 | | 34.0 | 15.9 | 97 | 41 | 2.47 | 31.29 |
| 07/12/2025 | 3.1 | 0.0 | | 29.2 | 18.0 | 95 | 56 | 2.98 | 8.75 |
| 08/12/2025 | 4.9 | 4.4 | | 28.5 | 16.3 | 98 | 59 | 1.73 | 25.36 |
| 09/12/2025 | 6.4 | 0.2 | | 32.8 | 18.2 | 97 | 51 | 1.88 | 31.03 |
| 10/12/2025 | 5.7 | 0.0 | | 31.8 | 18.1 | 98 | 52 | 1.36 | 28.44 |
| 11/12/2025 | 3.7 | 0.0 | | 28.8 | 19.5 | 97 | 58 | 1.62 | 16.55 |
| 12/12/2025 | 1.9 | 13.2 | | 22.7 | 19.5 | 97 | 83 | 1.61 | 8.07 |
| 13/12/2025 | 5.9 | 1.6 | | 30.5 | 16.3 | 98 | 50 | 1.18 | 30.96 |
| 14/12/2025 | 6.2 | 0.6 | | 34.2 | 18.5 | 97 | 45 | 2.11 | 27.09 |
| 15/12/2025 | 5.9 | 0.0 | | 29.4 | 18.5 | 97 | 56 | 2.64 | 29.71 |
| 16/12/2025 | 4.9 | 0.0 | | 26.9 | 19.6 | 92 | 51 | 3.33 | 21.98 |
| 17/12/2025 | 3.2 | 0.0 | | 26.2 | 19.2 | 85 | 60 | 1.97 | 12.98 |
| 18/12/2025 | 6.0 | 0.0 | | 30.3 | 15.2 | 96 | 43 | 1.90 | 30.35 |
| Totals: | 95.9 | 20.0 | | | | | | | |
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