Evapotranspiration Calculations
Centre Island - 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 | 6.8 | 0.0 | | 26.7 | 20.2 | 80 | 30 | 7.26 | 23.25 |
| 02/09/2025 | 7.0 | 0.0 | | 27.4 | 19.5 | 78 | 26 | 6.66 | 23.38 |
| 03/09/2025 | 6.1 | 0.0 | | 28.4 | 19.3 | 83 | 32 | 4.72 | 23.63 |
| 04/09/2025 | 5.6 | 0.0 | | 29.8 | 20.3 | 92 | 36 | 3.65 | 23.65 |
| 05/09/2025 | 5.4 | 0.0 | | 31.5 | 21.3 | 96 | 43 | 2.99 | 23.85 |
| 06/09/2025 | 5.2 | 0.0 | | 31.7 | 22.8 | 95 | 50 | 2.83 | 23.40 |
| 07/09/2025 | 5.2 | 0.0 | | 30.8 | 23.4 | 91 | 62 | 3.55 | 24.00 |
| 08/09/2025 | 5.0 | 0.0 | | 30.9 | 23.3 | 92 | 62 | 3.15 | 22.93 |
| 09/09/2025 | 5.1 | 0.0 | | 29.9 | 22.5 | 98 | 59 | 3.65 | 24.07 |
| 10/09/2025 | 4.9 | 0.0 | | 29.5 | 23.4 | 96 | 68 | 4.06 | 24.04 |
| 11/09/2025 | 6.4 | 0.0 | | 30.3 | 24.0 | 94 | 41 | 5.99 | 24.13 |
| 12/09/2025 | 8.0 | 0.0 | | 31.5 | 23.6 | 74 | 32 | 7.28 | 23.33 |
| 13/09/2025 | 7.4 | 0.0 | | 30.0 | 23.2 | 70 | 38 | 7.40 | 21.76 |
| 14/09/2025 | 5.7 | 0.0 | | 29.3 | 22.5 | 82 | 63 | 6.44 | 24.23 |
| 15/09/2025 | 6.0 | 0.0 | | 30.6 | 22.2 | 91 | 46 | 4.69 | 24.63 |
| 16/09/2025 | 5.5 | 0.0 | | 30.5 | 21.9 | 98 | 50 | 3.75 | 24.68 |
| 17/09/2025 | 5.1 | 0.2 | | 30.4 | 22.4 | 97 | 61 | 3.39 | 24.53 |
| 18/09/2025 | 5.4 | 0.0 | | 31.3 | 23.4 | 96 | 58 | 3.27 | 25.05 |
| 19/09/2025 | 5.7 | 0.0 | | 32.4 | 24.8 | 96 | 57 | 3.27 | 25.13 |
| 20/09/2025 | 5.6 | 0.0 | | 33.0 | 23.9 | 97 | 65 | 4.08 | 25.26 |
| Totals: | 117.1 | 0.2 | | | | | | | |
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