Evapotranspiration Calculations
Tasman Island - December 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) |
| 01/12/2025 | 3.6 | 4.6 | | 13.6 | 6.6 | 92 | 63 | 3.17 | 28.04 |
| 02/12/2025 | 2.3 | 2.4 | | 13.6 | 7.3 | 92 | 67 | 3.12 | 13.81 |
| 03/12/2025 | 4.9 | 0.2 | | 20.4 | 9.8 | 72 | 49 | 5.59 | 23.92 |
| 04/12/2025 | 5.8 | 0.0 | | 24.6 | 12.4 | 77 | 40 | 4.79 | 25.72 |
| 05/12/2025 | 4.1 | 0.0 | | 16.1 | 9.9 | 95 | 50 | 5.06 | 27.10 |
| 06/12/2025 | 2.8 | 0.0 | | 15.5 | 9.2 | 94 | 54 | 4.80 | 13.07 |
| 07/12/2025 | 3.9 | 11.2 | | 14.7 | 5.4 | 90 | 47 | 4.03 | 27.39 |
| 08/12/2025 | 4.0 | 1.2 | | 20.5 | 8.7 | 93 | 51 | 7.43 | 16.24 |
| 09/12/2025 | 4.4 | 2.4 | | 14.2 | 10.2 | 66 | 44 | 3.75 | 26.98 |
| 10/12/2025 | 4.5 | 0.0 | | 16.9 | 9.0 | 77 | 45 | 4.76 | 26.00 |
| 11/12/2025 | 4.2 | 0.0 | | 15.4 | 9.5 | 87 | 63 | 4.26 | 31.63 |
| 12/12/2025 | 4.3 | 0.0 | | 17.6 | 10.0 | 92 | 57 | 11.55 | 27.79 |
| 13/12/2025 | 4.0 | 0.0 | | 16.6 | 12.7 | 95 | 60 | 4.58 | 26.40 |
| 14/12/2025 | | 0.2 | | | 10.7 | 94 | 43 | 5.93 | 24.61 |
| 15/12/2025 | | 4.0 | | 13.1 | | 100 | 63 | 6.70 | 19.63 |
| 16/12/2025 | | 1.8 | | | 6.3 | 100 | 66 | 3.63 | 30.09 |
| 17/12/2025 | | 0.2 | | | | 100 | 35 | 4.12 | 29.48 |
| 18/12/2025 | | 0.0 | | | | 98 | 50 | 3.30 | 12.07 |
| Totals: | 52.8 | 28.2 | | | | | | | |
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