Evapotranspiration Calculations
North Island - January 2026 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) |
| 01/01/2026 | | 0.0 | | 28.2 | 22.2 | 90 | 65 | 8.70 | |
| 02/01/2026 | | 0.0 | | 28.1 | 21.3 | 93 | 69 | 7.39 | |
| 03/01/2026 | | 0.0 | | 27.8 | 21.2 | 90 | 67 | 7.50 | |
| 04/01/2026 | | 0.0 | | 28.0 | 21.0 | 91 | 67 | 7.56 | |
| 05/01/2026 | | 0.0 | | 27.5 | 21.5 | 88 | 66 | 9.07 | |
| 06/01/2026 | | 0.0 | | 27.2 | 21.2 | 84 | 58 | 9.70 | |
| 07/01/2026 | | 0.0 | | 27.6 | 20.6 | 81 | 58 | 11.44 | |
| 08/01/2026 | | | | 26.7 | 20.7 | 82 | 62 | 11.90 | |
| 09/01/2026 | | 0.0 | | 26.3 | 20.6 | 77 | 57 | 12.25 | |
| 10/01/2026 | | 0.0 | | 27.6 | 20.8 | 79 | 47 | 11.51 | |
| 11/01/2026 | | 0.0 | | 29.3 | 22.5 | 78 | 53 | 8.56 | |
| 12/01/2026 | | 0.0 | | 26.9 | 21.7 | 82 | 64 | 10.30 | |
| 13/01/2026 | | 0.0 | | 27.2 | 20.1 | 83 | 50 | 10.18 | |
| 14/01/2026 | | 0.0 | | 28.6 | 21.2 | 91 | 55 | 9.49 | |
| 15/01/2026 | | 0.0 | | 28.9 | 21.8 | 88 | 59 | 7.88 | |
| 16/01/2026 | | 0.0 | | 27.7 | 22.2 | 85 | 60 | 8.26 | |
| 17/01/2026 | | 0.0 | | 26.5 | 20.6 | 78 | 53 | 9.88 | |
| 18/01/2026 | | 0.0 | | 27.0 | 20.3 | 78 | 56 | 10.24 | |
| 19/01/2026 | | 0.0 | | 28.8 | 21.0 | 84 | 60 | 9.69 | |
| 20/01/2026 | | 0.0 | | 32.5 | 23.1 | 80 | 45 | 8.02 | |
| 21/01/2026 | | 0.0 | | 34.7 | 24.2 | 77 | 32 | 5.45 | |
| 22/01/2026 | | 0.0 | | 27.6 | 22.1 | 88 | 66 | 8.60 | |
| 23/01/2026 | | 0.0 | | 27.4 | 21.3 | 76 | 50 | 9.75 | |
| 24/01/2026 | | 0.0 | | 26.5 | 20.2 | 70 | 53 | 7.64 | |
| 25/01/2026 | | 0.0 | | 27.1 | 20.5 | 80 | 55 | 5.25 | |
| 26/01/2026 | | 0.2 | | 26.4 | 20.7 | 74 | 45 | 8.93 | |
| 27/01/2026 | | 0.0 | | 25.7 | 19.4 | 84 | 41 | 11.42 | |
| 28/01/2026 | | 0.6 | | 26.8 | 18.8 | 79 | 51 | 12.24 | |
| 29/01/2026 | | 0.0 | | 29.0 | 21.9 | 84 | 56 | 9.53 | |
| 30/01/2026 | | 0.0 | | 27.7 | 22.9 | 88 | 70 | 9.42 | |
| Totals: | | 0.8 | | | | | | | |
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