Evapotranspiration Calculations
Hay Airport - September 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2025 | 2.6 | 0.0 | 18.5 | 3.3 | 99 | 45 | 3.09 | 14.62 | |
| 02/09/2025 | 2.8 | 0.0 | 20.1 | 0.1 | 100 | 33 | 2.28 | 16.48 | |
| 03/09/2025 | 5.8 | 0.0 | 24.2 | 7.7 | 75 | 19 | 6.51 | 16.95 | |
| 04/09/2025 | 3.6 | 0.0 | 21.0 | 5.0 | 94 | 34 | 4.17 | 17.17 | |
| 05/09/2025 | 3.4 | 0.0 | 18.9 | 1.2 | 99 | 23 | 3.36 | 17.36 | |
| 06/09/2025 | 5.9 | 0.0 | 27.4 | 5.0 | 76 | 26 | 5.79 | 17.88 | |
| 07/09/2025 | 4.7 | 0.0 | 23.3 | 16.1 | 80 | 36 | 7.93 | 7.43 | |
| 08/09/2025 | 4.7 | 6.0 | 25.8 | 8.9 | 100 | 21 | 4.06 | 18.22 | |
| 09/09/2025 | 3.7 | 0.0 | 22.5 | 8.6 | 92 | 21 | 2.67 | 17.92 | |
| 10/09/2025 | 1.6 | 5.4 | 11.0 | 8.7 | 100 | 60 | 6.56 | 6.23 | |
| 11/09/2025 | 3.1 | 14.8 | 17.4 | 6.1 | 99 | 47 | 6.76 | 15.04 | |
| 12/09/2025 | 2.9 | 0.0 | 18.0 | 1.9 | 100 | 45 | 3.89 | 16.96 | |
| 13/09/2025 | 2.8 | 0.0 | 20.9 | 3.6 | 99 | 40 | 1.85 | 17.43 | |
| 14/09/2025 | 4.1 | 0.0 | 22.4 | 5.1 | 99 | 32 | 4.34 | 19.35 | |
| 15/09/2025 | 7.4 | 0.0 | 28.0 | 9.9 | 68 | 20 | 7.44 | 19.68 | |
| 16/09/2025 | 3.1 | 0.0 | 19.0 | 16.5 | 99 | 32 | 5.17 | 7.72 | |
| 17/09/2025 | 3.5 | 0.6 | 18.8 | 5.0 | 99 | 34 | 3.84 | 19.23 | |
| 18/09/2025 | 4.3 | 0.0 | 22.6 | 2.2 | 94 | 27 | 3.73 | 20.39 | |
| 19/09/2025 | 4.9 | 0.0 | 25.3 | 9.5 | 75 | 39 | 6.18 | 12.60 | |
| 20/09/2025 | 3.8 | 0.6 | 17.9 | 6.7 | 99 | 36 | 5.94 | 19.23 | |
| Totals: | 78.7 | 27.4 |
