Evapotranspiration Calculations
Tasman Island - October 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) |
| 01/10/2026 | 2.4 | 2.2 | | 17.5 | 11.0 | 98 | 53 | 2.92 | 13.22 |
| 02/10/2026 | 2.3 | 0.2 | | 13.0 | 8.1 | 92 | 66 | 1.17 | 18.40 |
| 03/10/2026 | 2.2 | 0.0 | | 13.4 | 9.5 | 88 | 56 | 1.14 | 15.30 |
| 04/10/2026 | 1.4 | 0.2 | | 11.9 | 8.8 | 97 | 75 | 4.06 | 7.40 |
| 05/10/2026 | 2.5 | 0.6 | | 14.3 | 8.5 | 90 | 56 | 2.38 | 17.69 |
| 06/10/2026 | 2.6 | 0.8 | | 11.7 | 8.4 | 89 | 50 | 7.21 | 11.68 |
| 07/10/2026 | 2.7 | 3.6 | | 11.9 | 5.2 | 73 | 47 | 4.28 | 15.24 |
| 08/10/2026 | 2.9 | 0.0 | | 12.4 | 8.3 | 88 | 63 | 11.41 | 21.32 |
| 09/10/2026 | 3.3 | 0.0 | | 16.5 | 9.2 | 93 | 61 | 13.51 | 20.46 |
| 10/10/2026 | 4.3 | 0.0 | | 18.8 | 10.4 | 86 | 39 | 7.61 | 17.74 |
| 11/10/2026 | 3.7 | 0.0 | | 17.7 | 10.5 | 87 | 47 | 6.26 | 17.78 |
| 12/10/2026 | 2.4 | 3.2 | | 12.8 | 8.9 | 97 | 57 | 6.11 | 13.06 |
| 13/10/2026 | 2.5 | 3.8 | | 9.6 | 4.0 | 90 | 54 | 7.55 | 17.18 |
| 14/10/2026 | 2.8 | 1.0 | | 11.0 | 5.3 | 76 | 53 | 4.83 | 18.19 |
| 15/10/2026 | 2.2 | 0.0 | | 14.1 | 7.3 | 91 | 68 | 0.60 | 15.85 |
| 16/10/2026 | 3.2 | 0.0 | | 15.3 | 9.0 | 88 | 57 | 2.95 | 23.03 |
| 17/10/2026 | 3.4 | 0.0 | | 18.0 | 10.1 | 88 | 56 | 1.70 | 23.24 |
| 18/10/2026 | 3.5 | 0.0 | | 20.1 | 12.4 | 89 | 48 | 0.84 | 23.46 |
| 19/10/2026 | 4.0 | 0.0 | | 19.3 | 12.9 | 89 | 41 | 2.73 | 23.67 |
| 20/10/2026 | 3.7 | 0.0 | | 22.0 | 14.2 | 98 | 39 | 3.39 | 16.21 |
| 21/10/2026 | 2.4 | 5.0 | | 14.6 | 12.9 | 98 | 82 | 2.48 | 17.41 |
| 22/10/2026 | 4.2 | 0.0 | | 21.7 | 10.3 | 96 | 52 | 4.88 | 23.68 |
| 23/10/2026 | 5.4 | 0.0 | | 28.3 | 12.8 | 97 | 36 | 4.75 | 20.28 |
| 24/10/2026 | 2.5 | 4.0 | | 17.2 | 10.6 | 98 | 64 | 1.76 | 15.59 |
| 25/10/2026 | 1.4 | 14.8 | | 9.9 | 8.7 | 99 | 69 | 3.77 | 7.04 |
| 26/10/2026 | 2.2 | 4.6 | | 9.7 | 7.1 | 95 | 65 | 2.24 | 17.11 |
| Totals: | 76.1 | 44.0 | | | | | | | |
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