Evapotranspiration Calculations
Low Head - December 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/12/2025 | 3.3 | 0.0 | 17.2 | 7.2 | 93 | 57 | 4.19 | 19.29 | |
| 02/12/2025 | 3.9 | 2.0 | 17.0 | 9.1 | 93 | 62 | 8.74 | 27.68 | |
| 03/12/2025 | 3.5 | 0.2 | 17.6 | 12.4 | 98 | 69 | 9.37 | 26.33 | |
| 04/12/2025 | 3.8 | 0.0 | 19.8 | 13.8 | 100 | 58 | 6.01 | 20.99 | |
| 05/12/2025 | 4.8 | 0.0 | 18.4 | 11.9 | 80 | 56 | 6.45 | 29.78 | |
| 06/12/2025 | 3.2 | 0.0 | 17.4 | 12.9 | 84 | 70 | 9.66 | 16.14 | |
| 07/12/2025 | 4.9 | 1.6 | 16.4 | 10.2 | 75 | 54 | 11.12 | 31.03 | |
| 08/12/2025 | 2.0 | 11.7 | 100 | 69 | 11.87 | 8.81 | |||
| 09/12/2025 | 4.7 | 18.0 | 12.7 | 100 | 50 | 9.95 | 31.70 | ||
| 10/12/2025 | 5.0 | 0.0 | 17.5 | 10.1 | 75 | 52 | 7.21 | 31.00 | |
| 11/12/2025 | 4.7 | 0.0 | 17.8 | 9.4 | 83 | 55 | 5.06 | 31.84 | |
| 12/12/2025 | 4.5 | 0.0 | 20.1 | 10.0 | 85 | 65 | 5.99 | 29.81 | |
| 13/12/2025 | 4.3 | 0.0 | 21.6 | 15.6 | 100 | 74 | 5.37 | 28.75 | |
| 14/12/2025 | 4.1 | 0.4 | 15.7 | 12.8 | 98 | 53 | 14.46 | 27.94 | |
| 15/12/2025 | 5.2 | 1.2 | 16.4 | 9.8 | 70 | 50 | 11.79 | 30.80 | |
| 16/12/2025 | 4.4 | 0.0 | 19.6 | 11.9 | 97 | 66 | 7.22 | 31.15 | |
| 17/12/2025 | 4.1 | 0.0 | 19.1 | 13.2 | 100 | 69 | 3.92 | 28.33 | |
| 18/12/2025 | 3.4 | 0.0 | 22.5 | 14.1 | 100 | 50 | 2.94 | 15.34 | |
| Totals: | 71.8 | 7.4 |
