Evapotranspiration Calculations
Norah Head - 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 | 4.9 | 0.0 | 25.6 | 18.7 | 84 | 45 | 3.82 | 22.18 | |
| 02/10/2025 | 5.3 | 0.2 | 26.3 | 12.7 | 72 | 25 | 3.43 | 21.77 | |
| 03/10/2025 | 4.7 | 0.0 | 24.5 | 12.3 | 73 | 32 | 2.67 | 23.25 | |
| 04/10/2025 | 4.2 | 0.0 | 24.3 | 13.7 | 82 | 57 | 3.15 | 22.54 | |
| 05/10/2025 | 4.7 | 0.0 | 27.1 | 13.4 | 91 | 50 | 3.44 | 23.47 | |
| 06/10/2025 | 4.5 | 0.0 | 27.8 | 16.9 | 90 | 34 | 4.22 | 12.23 | |
| 07/10/2025 | 2.1 | 5.8 | 21.6 | 15.9 | 94 | 78 | 3.58 | 9.94 | |
| 08/10/2025 | 5.2 | 0.0 | 27.8 | 17.1 | 87 | 30 | 3.03 | 22.16 | |
| 09/10/2025 | 3.7 | 0.0 | 27.2 | 19.5 | 74 | 37 | 2.80 | 9.07 | |
| 10/10/2025 | 5.4 | 0.0 | 30.4 | 16.6 | 82 | 24 | 2.11 | 24.47 | |
| 11/10/2025 | 5.9 | 0.0 | 31.6 | 16.6 | 80 | 13 | 2.33 | 24.82 | |
| 12/10/2025 | 6.0 | 0.0 | 30.5 | 14.9 | 75 | 23 | 4.07 | 16.99 | |
| 13/10/2025 | 5.5 | 0.4 | 25.4 | 14.1 | 76 | 36 | 4.40 | 23.62 | |
| 14/10/2025 | 4.6 | 0.0 | 24.8 | 14.3 | 89 | 59 | 3.55 | 25.18 | |
| Totals: | 66.7 | 6.4 |
