Evapotranspiration Calculations
Cape Otway Lighthouse - April 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) |
| 01/04/2026 | 3.3 | 0.0 | | 19.5 | 19.3 | 94 | 31 | 5.50 | 7.68 |
| 02/04/2026 | 2.2 | 2.4 | | 18.4 | 11.8 | 94 | 75 | 5.18 | 15.26 |
| 03/04/2026 | 2.6 | 1.6 | | 16.0 | 13.9 | 93 | 51 | 5.47 | 11.70 |
| 04/04/2026 | 3.0 | 0.0 | | 16.5 | 12.8 | 74 | 54 | 5.88 | 9.89 |
| 05/04/2026 | 3.0 | 0.0 | | 20.2 | 13.0 | 86 | 68 | 6.97 | 15.85 |
| 06/04/2026 | 1.7 | 4.6 | | 21.0 | 15.5 | 95 | 77 | 3.19 | 8.15 |
| 07/04/2026 | 2.4 | 4.6 | | 17.2 | 15.3 | 96 | 56 | 7.75 | 5.49 |
| 08/04/2026 | 2.8 | 0.8 | | 19.0 | 11.8 | 73 | 53 | 3.75 | 12.96 |
| 09/04/2026 | 3.0 | 2.4 | | 21.6 | 13.8 | 94 | 61 | 6.67 | 14.23 |
| 10/04/2026 | 2.1 | 13.8 | | 13.8 | 9.0 | 96 | 62 | 10.28 | 7.39 |
| 11/04/2026 | 2.7 | 12.4 | | 14.0 | 8.1 | 90 | 54 | 11.26 | 8.96 |
| 12/04/2026 | 2.4 | 7.6 | | 15.3 | 9.3 | 86 | 65 | 11.13 | 6.74 |
| 13/04/2026 | 1.8 | 1.0 | | 15.6 | 11.5 | 95 | 72 | 8.19 | 7.33 |
| 14/04/2026 | 1.9 | 1.2 | | 16.6 | 13.4 | 95 | 73 | 7.65 | 10.65 |
| 15/04/2026 | 1.0 | 7.0 | | 16.8 | 12.6 | 97 | 92 | 3.81 | 5.59 |
| 16/04/2026 | 2.2 | 1.2 | | 18.1 | 12.7 | 92 | 69 | 8.16 | 8.35 |
| 17/04/2026 | 2.7 | 2.2 | | 14.7 | 11.1 | 84 | 55 | 8.43 | 11.15 |
| 18/04/2026 | 1.9 | 0.0 | | 14.1 | 12.2 | 80 | 58 | 3.30 | 7.68 |
| 19/04/2026 | 2.2 | 0.0 | | 18.5 | 7.7 | 81 | 60 | 3.80 | 9.83 |
| 20/04/2026 | 1.7 | 0.0 | | 17.2 | 11.9 | 92 | 61 | 3.20 | 6.46 |
| 21/04/2026 | 3.3 | 0.0 | | 22.4 | 13.4 | 93 | 47 | 5.55 | 13.16 |
| 22/04/2026 | 3.7 | 0.0 | | 25.0 | 15.9 | 94 | 38 | 6.03 | 6.59 |
| 23/04/2026 | 2.6 | 0.0 | | 23.7 | 12.2 | 95 | 48 | 3.01 | 13.17 |
| 24/04/2026 | 3.9 | 0.0 | | 23.3 | 16.4 | 65 | 39 | 4.80 | 11.58 |
| 25/04/2026 | 6.0 | 0.0 | | 26.9 | 16.8 | 49 | 29 | 6.78 | 12.54 |
| 26/04/2026 | 3.3 | 0.0 | | 20.3 | 19.0 | 93 | 33 | 5.56 | 11.20 |
| Totals: | 69.4 | 62.8 | | | | | | | |
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