Evapotranspiration Calculations
Coffin Bay (Point Avoid) - September 2025 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) |
| 01/09/2025 | 1.9 | 0.6 | | 16.1 | 7.8 | 97 | 70 | 2.87 | 14.50 |
| 02/09/2025 | 2.7 | 0.2 | | 18.2 | 8.4 | 97 | 61 | 5.85 | 17.25 |
| 03/09/2025 | 2.9 | 0.2 | | 17.6 | 12.6 | 92 | 57 | 5.08 | 17.01 |
| 04/09/2025 | 2.9 | 0.4 | | 16.5 | 10.8 | 87 | 57 | 5.28 | 17.35 |
| 05/09/2025 | 3.5 | 0.0 | | 20.7 | 9.8 | 86 | 53 | 7.92 | 12.41 |
| 06/09/2025 | 5.3 | 0.0 | | 27.1 | 12.2 | 81 | 26 | 6.43 | 5.96 |
| 07/09/2025 | 3.2 | 0.6 | | 18.5 | 14.1 | 88 | 63 | 8.19 | 17.67 |
| 08/09/2025 | 2.9 | 0.0 | | 19.0 | 12.7 | 93 | 61 | 4.30 | 18.01 |
| 09/09/2025 | 2.4 | 0.0 | | 17.2 | 7.6 | 93 | 51 | 4.44 | 9.34 |
| 10/09/2025 | 2.4 | 19.8 | | 15.3 | 9.2 | 92 | 68 | 7.12 | 16.45 |
| 11/09/2025 | 2.6 | 1.2 | | 15.7 | 10.9 | 92 | 61 | 5.09 | 16.63 |
| 12/09/2025 | 2.5 | 0.0 | | 16.9 | 8.0 | 93 | 59 | 2.15 | 18.44 |
| 13/09/2025 | 3.0 | 0.2 | | 19.3 | 7.3 | 96 | 52 | 3.82 | 18.61 |
| 14/09/2025 | 5.8 | 0.0 | | 23.4 | 11.4 | 72 | 33 | 8.30 | 19.45 |
| 15/09/2025 | 4.9 | 0.0 | | 19.4 | 15.7 | 83 | 31 | 9.17 | 15.38 |
| 16/09/2025 | 3.4 | 0.0 | | 17.2 | 12.4 | 85 | 58 | 8.49 | 18.14 |
| 17/09/2025 | 3.1 | 2.2 | | 17.8 | 9.6 | 91 | 49 | 4.21 | 17.98 |
| 18/09/2025 | 4.4 | 0.0 | | 22.7 | 7.5 | 95 | 38 | 5.39 | 20.21 |
| 19/09/2025 | 3.4 | 0.0 | | 17.8 | 13.0 | 91 | 58 | 8.40 | 18.49 |
| 20/09/2025 | 3.0 | 0.0 | | 16.7 | 11.3 | 92 | 55 | 6.84 | 14.20 |
| Totals: | 66.2 | 25.4 | | | | | | | |
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