Evapotranspiration Calculations
Low Isles Lighthouse - 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 | 5.8 | 0.0 | 30.1 | 22.5 | 81 | 50 | 5.04 | 22.25 | |
| 02/09/2025 | 5.6 | 0.0 | 29.7 | 22.0 | 79 | 50 | 5.15 | 20.52 | |
| 03/09/2025 | 5.8 | 0.0 | 29.7 | 22.8 | 80 | 54 | 7.03 | 19.40 | |
| 04/09/2025 | 5.9 | 0.0 | 29.3 | 22.9 | 81 | 56 | 6.88 | 22.06 | |
| 05/09/2025 | 5.2 | 0.0 | 30.7 | 23.6 | 92 | 62 | 7.59 | 19.16 | |
| 06/09/2025 | 4.3 | 0.0 | 27.7 | 23.8 | 90 | 71 | 11.30 | 16.09 | |
| 07/09/2025 | 4.2 | 1.8 | 28.7 | 23.0 | 93 | 71 | 10.80 | 14.89 | |
| 08/09/2025 | 4.9 | 0.4 | 28.2 | 23.5 | 92 | 66 | 9.62 | 20.21 | |
| 09/09/2025 | 5.2 | 5.0 | 28.3 | 22.1 | 90 | 63 | 8.85 | 21.50 | |
| 10/09/2025 | 5.4 | 0.2 | 29.4 | 22.5 | 86 | 58 | 4.29 | 24.10 | |
| 11/09/2025 | 5.2 | 0.2 | 30.2 | 22.4 | 87 | 59 | 3.19 | 23.95 | |
| 12/09/2025 | 5.6 | 0.0 | 29.9 | 23.1 | 85 | 63 | 5.82 | 23.97 | |
| 13/09/2025 | 2.9 | 0.0 | 26.2 | 24.7 | 94 | 75 | 9.38 | 8.67 | |
| 14/09/2025 | 4.8 | 10.0 | 28.2 | 22.0 | 85 | 70 | 8.81 | 19.26 | |
| 15/09/2025 | 4.2 | 0.0 | 28.0 | 22.4 | 95 | 73 | 8.87 | 19.43 | |
| 16/09/2025 | 3.4 | 9.2 | 28.6 | 22.0 | 95 | 81 | 7.04 | 16.06 | |
| 17/09/2025 | 2.7 | 16.4 | 28.3 | 23.9 | 96 | 83 | 8.12 | 10.50 | |
| 18/09/2025 | 4.3 | 0.6 | 29.4 | 24.0 | 94 | 76 | 8.19 | 19.57 | |
| 19/09/2025 | 3.8 | 0.6 | 28.5 | 24.1 | 92 | 77 | 7.24 | 16.43 | |
| 20/09/2025 | 5.5 | 0.6 | 30.0 | 23.3 | 88 | 61 | 4.74 | 24.51 | |
| Totals: | 94.7 | 45.0 |
