Evapotranspiration Calculations
Grafton Airport - January 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2025 | 5.1 | 0.0 | 30.2 | 17.4 | 96 | 47 | 1.69 | 24.29 | |
| 02/01/2025 | 4.7 | 0.0 | 29.3 | 19.5 | 93 | 51 | 1.62 | 22.11 | |
| 03/01/2025 | 5.8 | 0.0 | 29.9 | 17.1 | 96 | 51 | 3.11 | 27.43 | |
| 04/01/2025 | 5.6 | 0.0 | 29.0 | 19.7 | 88 | 45 | 2.70 | 24.78 | |
| 05/01/2025 | 6.2 | 0.0 | 31.8 | 14.9 | 96 | 41 | 1.93 | 30.20 | |
| 06/01/2025 | 6.6 | 0.0 | 31.9 | 16.3 | 97 | 36 | 2.28 | 31.05 | |
| 07/01/2025 | 4.6 | 0.0 | 30.7 | 16.2 | 97 | 48 | 1.71 | 20.62 | |
| 08/01/2025 | 4.8 | 6.8 | 30.4 | 19.2 | 98 | 47 | 1.49 | 22.32 | |
| 09/01/2025 | 3.3 | 2.6 | 26.6 | 17.8 | 97 | 70 | 1.37 | 16.36 | |
| 10/01/2025 | 4.1 | 10.6 | 28.9 | 18.1 | 97 | 56 | 1.68 | 18.77 | |
| 11/01/2025 | 2.6 | 11.2 | 25.5 | 19.0 | 97 | 75 | 1.41 | 12.24 | |
| 12/01/2025 | 5.5 | 8.4 | 29.2 | 18.1 | 97 | 54 | 2.13 | 27.33 | |
| 13/01/2025 | 4.5 | 0.2 | 29.8 | 18.1 | 98 | 56 | 1.55 | 21.56 | |
| 14/01/2025 | 5.4 | 0.8 | 31.5 | 18.8 | 98 | 56 | 1.36 | 26.82 | |
| 15/01/2025 | 5.6 | 0.2 | 33.9 | 20.0 | 97 | 54 | 2.08 | 24.61 | |
| 16/01/2025 | 3.7 | 0.2 | 28.1 | 22.6 | 97 | 65 | 2.53 | 15.76 | |
| 17/01/2025 | 14.4 | 26.1 | 15.7 | 17.38 | |||||
| 18/01/2025 | 2.4 | 17.0 | 25.8 | 17.5 | 97 | 78 | 5.00 | 9.46 | |
| 19/01/2025 | 5.7 | 45.6 | 27.0 | 19.2 | 92 | 51 | 5.69 | 24.61 | |
| 20/01/2025 | 5.4 | 0.8 | 28.4 | 13.5 | 95 | 43 | 1.98 | 27.67 | |
| 21/01/2025 | 5.8 | 0.0 | 30.7 | 17.8 | 96 | 48 | 1.44 | 29.32 | |
| 22/01/2025 | 6.1 | 0.0 | 37.4 | 17.7 | 97 | 32 | 1.23 | 27.39 | |
| 23/01/2025 | 4.6 | 7.0 | 30.3 | 21.3 | 95 | 53 | 2.32 | 19.52 | |
| 24/01/2025 | 6.6 | 0.2 | 35.9 | 20.9 | 98 | 49 | 2.92 | 27.26 | |
| Totals: | 114.7 | 126.0 |
