Evapotranspiration Calculations
Gunnedah Airport - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 5.6 | 1.4 | 28.1 | 10.9 | 87 | 18 | 3.60 | 20.22 | |
| 02/10/2025 | 6.0 | 0.8 | 26.3 | 1.6 | 98 | 19 | 4.57 | 23.82 | |
| 03/10/2025 | 4.8 | 0.0 | 24.1 | 0.3 | 93 | 26 | 3.13 | 23.87 | |
| 04/10/2025 | 4.8 | 1.2 | 26.2 | 2.7 | 97 | 27 | 2.57 | 24.04 | |
| 05/10/2025 | 5.0 | 0.8 | 29.1 | 3.9 | 96 | 32 | 2.37 | 24.03 | |
| 06/10/2025 | 7.0 | 2.6 | 33.9 | 4.9 | 97 | 14 | 3.37 | 24.08 | |
| 07/10/2025 | 1.2 | 12.2 | 11.05 | ||||||
| 08/10/2025 | 21.01 | ||||||||
| 09/10/2025 | 26.7 | 91 | 44 | 2.79 | 12.83 | ||||
| 10/10/2025 | 5.4 | 0.6 | 31.7 | 12.1 | 98 | 35 | 2.83 | 22.78 | |
| 11/10/2025 | 6.0 | 0.4 | 32.6 | 13.9 | 97 | 13 | 2.46 | 24.51 | |
| 12/10/2025 | 5.3 | 0.4 | 31.5 | 5.5 | 94 | 18 | 2.86 | 15.20 | |
| 13/10/2025 | 5.5 | 0.0 | 27.6 | 10.3 | 92 | 17 | 2.72 | 25.04 | |
| 14/10/2025 | 5.9 | 0.0 | 29.8 | 5.9 | 93 | 18 | 2.77 | 25.29 | |
| Totals: | 61.3 | 9.4 |
