Evapotranspiration Calculations
Tasman 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 | 3.5 | 0.0 | 15.3 | 9.9 | 94 | 69 | 5.72 | 26.34 | |
| 02/01/2026 | 0.0 | 10.2 | 100 | 75 | 3.58 | 19.02 | |||
| 03/01/2026 | 0.0 | 18.2 | 97 | 75 | 5.58 | 17.57 | |||
| 04/01/2026 | 3.2 | 0.0 | 16.6 | 10.6 | 95 | 70 | 3.29 | 20.77 | |
| 05/01/2026 | 4.4 | 0.0 | 19.6 | 11.3 | 94 | 65 | 3.08 | 29.21 | |
| 06/01/2026 | 4.1 | 0.0 | 20.3 | 14.4 | 94 | 58 | 3.62 | 22.83 | |
| 07/01/2026 | 4.2 | 0.0 | 19.8 | 14.1 | 98 | 79 | 3.64 | 29.82 | |
| 08/01/2026 | 4.3 | 0.2 | 17.9 | 12.3 | 97 | 63 | 4.84 | 30.54 | |
| 09/01/2026 | 2.6 | 0.0 | 20.2 | 12.3 | 99 | 66 | 8.48 | 7.92 | |
| 10/01/2026 | 4.3 | 2.0 | 17.2 | 14.3 | 92 | 47 | 9.65 | 20.83 | |
| 11/01/2026 | 3.4 | 12.0 | 14.2 | 5.8 | 91 | 63 | 7.02 | 25.90 | |
| 12/01/2026 | 4.1 | 0.6 | 16.9 | 7.4 | 92 | 69 | 1.99 | 30.42 | |
| 13/01/2026 | 3.0 | 0.0 | 16.9 | 11.7 | 97 | 76 | 4.14 | 20.20 | |
| 14/01/2026 | 2.2 | 0.8 | 15.7 | 11.2 | 96 | 71 | 2.19 | 12.01 | |
| 15/01/2026 | 2.1 | 0.0 | 15.9 | 12.0 | 94 | 69 | 2.98 | 10.04 | |
| 16/01/2026 | 2.8 | 0.0 | 16.0 | 11.4 | 81 | 63 | 2.65 | 14.34 | |
| 17/01/2026 | 3.0 | 0.0 | 15.8 | 12.0 | 81 | 65 | 3.52 | 16.69 | |
| 18/01/2026 | 3.2 | 0.0 | 16.1 | 12.8 | 84 | 68 | 5.51 | 17.83 | |
| 19/01/2026 | 3.0 | 0.0 | 16.5 | 12.4 | 95 | 67 | 6.80 | 18.19 | |
| 20/01/2026 | 4.1 | 0.0 | 18.0 | 13.3 | 93 | 69 | 8.03 | 29.73 | |
| 21/01/2026 | 2.1 | 0.0 | 17.7 | 13.1 | 97 | 73 | 6.22 | 9.53 | |
| 22/01/2026 | 3.2 | 15.2 | 13.8 | 8.6 | 90 | 59 | 8.90 | 19.86 | |
| 23/01/2026 | 4.0 | 1.6 | 15.6 | 8.3 | 74 | 59 | 4.07 | 26.88 | |
| 24/01/2026 | 3.6 | 0.0 | 16.4 | 11.3 | 92 | 68 | 12.03 | 26.62 | |
| 25/01/2026 | 3.6 | 0.0 | 16.7 | 12.8 | 98 | 61 | 5.60 | 23.35 | |
| 26/01/2026 | 0.0 | 9.5 | 86 | 62 | 5.87 | 29.21 | |||
| 27/01/2026 | 0.0 | 100 | 68 | 11.76 | 25.76 | ||||
| 28/01/2026 | 3.0 | 0.0 | 16.4 | 14.1 | 97 | 67 | 8.21 | 18.62 | |
| 29/01/2026 | 0.0 | 11.8 | 89 | 65 | 5.43 | 18.53 | |||
| 30/01/2026 | 0.0 | 94 | 64 | 2.15 | 25.26 | ||||
| Totals: | 81.0 | 32.4 |
