Evapotranspiration Calculations
Double Island Point Lighthouse - 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 | 5.9 | 0.0 | | 23.5 | 18.0 | 69 | 44 | 6.64 | 24.73 |
| 02/10/2026 | 5.6 | 0.0 | | 23.9 | 18.2 | 70 | 46 | 5.72 | 23.19 |
| 03/10/2026 | 5.5 | 0.0 | | 24.9 | 18.3 | 78 | 52 | 5.82 | 24.89 |
| 04/10/2026 | 5.0 | 0.0 | | 25.8 | 19.3 | 83 | 58 | 4.75 | 23.65 |
| 05/10/2026 | 5.3 | 0.0 | | 27.1 | 19.5 | 86 | 56 | 4.85 | 24.42 |
| 06/10/2026 | 4.1 | 0.0 | | 27.6 | 19.5 | 87 | 59 | 3.27 | 17.30 |
| 07/10/2026 | 4.1 | 0.0 | | 25.5 | 19.7 | 89 | 66 | 9.71 | 13.53 |
| 08/10/2026 | 4.8 | 2.4 | | 23.6 | 18.1 | 92 | 59 | 9.65 | 22.81 |
| 09/10/2026 | 5.3 | 0.0 | | 27.8 | 18.2 | 89 | 49 | 4.23 | 23.94 |
| 10/10/2026 | 4.6 | 0.0 | | 28.6 | 19.7 | 93 | 57 | 3.60 | 20.11 |
| 11/10/2026 | 4.2 | 0.0 | | 28.0 | 20.8 | 96 | 70 | 3.74 | 20.64 |
| 12/10/2026 | 4.7 | 0.0 | | 29.0 | 21.4 | 96 | 69 | 3.63 | 23.55 |
| 13/10/2026 | 4.8 | 0.2 | | 28.5 | 21.2 | 96 | 67 | 4.21 | 23.31 |
| 14/10/2026 | 3.5 | 26.0 | | 24.8 | 21.2 | 98 | 75 | 10.36 | 17.38 |
| 15/10/2026 | 4.7 | 2.6 | | 22.9 | 18.5 | 86 | 55 | 12.97 | 13.31 |
| 16/10/2026 | 3.7 | 2.8 | | 22.0 | 16.5 | 94 | 55 | 10.17 | 9.46 |
| 17/10/2026 | 4.5 | 0.6 | | 22.8 | 16.7 | 91 | 56 | 11.60 | 15.90 |
| 18/10/2026 | 5.4 | 0.4 | | 23.3 | 17.3 | 83 | 51 | 10.77 | 20.38 |
| 19/10/2026 | 3.9 | 0.8 | | 24.7 | 17.8 | 86 | 66 | 9.40 | 12.71 |
| 20/10/2026 | 4.7 | 0.6 | | 25.3 | 18.8 | 87 | 61 | 5.92 | 21.59 |
| 21/10/2026 | 4.4 | 1.4 | | 28.5 | 19.7 | 92 | 63 | 5.47 | 17.34 |
| 22/10/2026 | 3.3 | 4.0 | | 24.9 | 19.5 | 93 | 68 | 8.03 | 10.21 |
| 23/10/2026 | 3.2 | 23.4 | | 26.0 | 18.4 | 94 | 74 | 4.57 | 14.48 |
| 24/10/2026 | 1.9 | 8.8 | | 23.5 | 19.3 | 95 | 88 | 4.71 | 8.66 |
| 25/10/2026 | 3.0 | 35.8 | | 25.1 | 19.5 | 95 | 83 | 4.74 | 15.35 |
| 26/10/2026 | 4.9 | 0.0 | | 29.5 | 21.6 | 94 | 68 | 4.19 | 23.30 |
| Totals: | 115.0 | 109.8 | | | | | | | |
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