Evapotranspiration Calculations
Narrabri 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 | 8.1 | 0.0 | 28.3 | 19.7 | 60 | 19 | 7.30 | 20.67 | |
| 02/10/2025 | 6.4 | 0.0 | 26.7 | 4.5 | 86 | 16 | 4.80 | 23.89 | |
| 03/10/2025 | 5.4 | 0.0 | 25.1 | 4.9 | 73 | 23 | 3.71 | 23.89 | |
| 04/10/2025 | 5.5 | 0.0 | 26.8 | 4.9 | 87 | 22 | 3.43 | 24.06 | |
| 05/10/2025 | 6.1 | 0.0 | 29.8 | 6.4 | 91 | 28 | 4.07 | 23.92 | |
| 06/10/2025 | 9.4 | 0.0 | 35.0 | 15.0 | 61 | 13 | 5.94 | 24.13 | |
| 07/10/2025 | 4.9 | 0.0 | 29.7 | 13.8 | 68 | 30 | 2.49 | 19.02 | |
| 08/10/2025 | 8.9 | 0.0 | 35.3 | 19.6 | 52 | 20 | 5.43 | 23.36 | |
| 09/10/2025 | 7.2 | 0.0 | 31.6 | 23.0 | 86 | 25 | 8.12 | 11.95 | |
| 10/10/2025 | 5.5 | 1.0 | 31.6 | 18.1 | 93 | 41 | 3.38 | 22.03 | |
| 11/10/2025 | 7.0 | 0.2 | 33.8 | 16.6 | 94 | 12 | 3.45 | 24.75 | |
| 12/10/2025 | 7.9 | 0.0 | 34.9 | 8.5 | 75 | 12 | 4.20 | 20.52 | |
| 13/10/2025 | 6.3 | 0.0 | 28.8 | 12.5 | 84 | 14 | 3.44 | 24.83 | |
| 14/10/2025 | 6.1 | 0.0 | 30.3 | 8.6 | 71 | 15 | 2.67 | 25.02 | |
| Totals: | 94.7 | 1.2 |
