Evapotranspiration Calculations
Cape Otway 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 | 1.3 | 12.4 | | 15.6 | 14.0 | 97 | 87 | 3.16 | 6.96 |
| 02/10/2026 | 2.0 | 5.6 | | 14.3 | 10.9 | 95 | 70 | 6.76 | 9.76 |
| 03/10/2026 | 1.8 | 9.6 | | 13.6 | 12.3 | 96 | 73 | 9.41 | 8.24 |
| 04/10/2026 | 2.6 | 0.0 | | 13.4 | 11.0 | 86 | 64 | 4.10 | 17.63 |
| 05/10/2026 | 2.7 | 0.0 | | 14.2 | 7.9 | 82 | 65 | 3.93 | 18.27 |
| 06/10/2026 | 3.2 | 1.0 | | 14.4 | 10.1 | 90 | 57 | 9.19 | 19.30 |
| 07/10/2026 | 3.3 | 0.0 | | 13.8 | 10.1 | 79 | 53 | 5.43 | 20.70 |
| 08/10/2026 | 4.0 | 0.0 | | 20.6 | 8.6 | 90 | 49 | 4.58 | 22.77 |
| 09/10/2026 | 6.2 | 0.0 | | 26.1 | 12.9 | 77 | 32 | 7.34 | 18.26 |
| 10/10/2026 | 3.4 | 0.4 | | 17.8 | 12.7 | 91 | 62 | 8.19 | 19.25 |
| 11/10/2026 | 5.1 | 0.6 | | 24.8 | 12.5 | 86 | 39 | 5.34 | 21.15 |
| 12/10/2026 | 3.2 | 0.8 | | 14.4 | 13.1 | 93 | 52 | 9.54 | 15.44 |
| 13/10/2026 | 3.3 | 0.4 | | 13.0 | 10.7 | 80 | 53 | 10.16 | 13.68 |
| 14/10/2026 | 3.0 | 0.0 | | 15.1 | 9.2 | 82 | 50 | 3.73 | 16.27 |
| 15/10/2026 | 3.6 | 0.0 | | 15.3 | 10.6 | 84 | 58 | 7.76 | 23.09 |
| 16/10/2026 | 4.0 | 0.0 | | 20.7 | 11.2 | 89 | 59 | 6.72 | 22.24 |
| 17/10/2026 | 4.7 | 0.0 | | 21.7 | 13.0 | 75 | 49 | 5.54 | 21.72 |
| 18/10/2026 | 5.1 | 0.0 | | 23.5 | 15.7 | 78 | 41 | 5.44 | 20.74 |
| 19/10/2026 | 7.2 | 0.0 | | 28.2 | 15.6 | 58 | 29 | 5.82 | 23.41 |
| 20/10/2026 | 6.3 | 0.0 | | 29.0 | 21.2 | 95 | 34 | 6.02 | 22.68 |
| 21/10/2026 | 2.4 | 0.0 | | 22.4 | 13.8 | 96 | 89 | 4.27 | 15.26 |
| 22/10/2026 | 6.0 | 0.0 | | 28.8 | 13.2 | 97 | 36 | 4.82 | 24.54 |
| 23/10/2026 | 6.9 | 0.0 | | 30.9 | 18.4 | 95 | 32 | 7.59 | 18.61 |
| 24/10/2026 | 2.6 | 4.4 | | 17.1 | 13.4 | 97 | 76 | 4.29 | 17.26 |
| 25/10/2026 | 2.0 | 15.8 | | 12.8 | 10.1 | 98 | 58 | 6.94 | 6.17 |
| 26/10/2026 | 3.7 | 6.8 | | 14.0 | 8.8 | 79 | 51 | 8.87 | 20.44 |
| Totals: | 99.6 | 57.8 | | | | | | | |
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