Evapotranspiration Calculations
North Island - 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 | | 0.0 | | 22.5 | 16.0 | 73 | 53 | 7.63 | |
| 02/09/2025 | | 0.0 | | 21.7 | 15.8 | 81 | 45 | 9.40 | |
| 03/09/2025 | | 0.0 | | 22.0 | 17.5 | 82 | 60 | 8.35 | |
| 04/09/2025 | | 0.0 | | 22.0 | 10.4 | 90 | 51 | 3.74 | |
| 05/09/2025 | | 0.0 | | 22.0 | 15.2 | 93 | 55 | 12.12 | |
| 06/09/2025 | | 9.2 | | 20.2 | 11.3 | 88 | 49 | 11.92 | |
| 07/09/2025 | | 1.4 | | 21.2 | 14.1 | 89 | 46 | 7.92 | |
| 08/09/2025 | | 3.4 | | 19.6 | 14.2 | 80 | 48 | 8.14 | |
| 09/09/2025 | | 0.2 | | 18.6 | 13.0 | 62 | 46 | 9.03 | |
| 10/09/2025 | | 0.0 | | 21.0 | 14.7 | 67 | 50 | 8.96 | |
| 11/09/2025 | | 0.0 | | 23.5 | 16.6 | 74 | 43 | 7.19 | |
| 12/09/2025 | | 0.0 | | 25.7 | 17.5 | 85 | 40 | 6.29 | |
| 13/09/2025 | | 0.0 | | 24.8 | 19.6 | 93 | 61 | 6.77 | |
| 14/09/2025 | | 0.6 | | | 17.9 | 89 | 52 | 9.96 | |
| 15/09/2025 | | | | | | 84 | 48 | 8.65 | |
| 16/09/2025 | | | | | | 92 | 52 | 4.24 | |
| 17/09/2025 | | | | | | 91 | 46 | 5.73 | |
| 18/09/2025 | | | | 22.4 | | 64 | 44 | 8.32 | |
| 19/09/2025 | | 0.0 | | | 16.4 | 83 | 56 | 8.39 | |
| 20/09/2025 | | | | 23.1 | | 87 | 56 | 9.31 | |
| Totals: | | 14.8 | | | | | | | |
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