Evapotranspiration Calculations
Low Head - 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 | 15.8 | | 15.7 | 12.7 | 100 | 87 | 6.06 | 8.89 |
| 02/10/2026 | 2.6 | 0.2 | | 17.0 | 9.4 | 99 | 60 | 4.78 | 16.07 |
| 03/10/2026 | 3.9 | 0.2 | | 18.4 | 9.3 | 88 | 45 | 6.91 | 18.62 |
| 04/10/2026 | 2.6 | 0.0 | | 16.9 | 10.9 | 94 | 66 | 5.18 | 15.60 |
| 05/10/2026 | 2.7 | 0.0 | | 15.5 | 8.6 | 97 | 65 | 7.55 | 19.48 |
| 06/10/2026 | 3.4 | 0.6 | | 14.4 | 10.8 | 94 | 51 | 12.30 | 19.43 |
| 07/10/2026 | 3.3 | 0.0 | | 15.6 | 4.9 | 89 | 43 | 4.14 | 21.69 |
| 08/10/2026 | 2.8 | 0.0 | | 15.9 | 6.1 | 94 | 60 | 4.87 | 19.41 |
| 09/10/2026 | 2.7 | 0.0 | | 16.5 | 8.8 | 88 | 72 | 6.55 | 18.66 |
| 10/10/2026 | 2.9 | 1.0 | | 16.5 | 13.2 | 97 | 71 | 9.44 | 21.37 |
| 11/10/2026 | 2.5 | 1.0 | | 15.8 | 12.7 | 93 | 77 | 7.63 | 18.84 |
| 12/10/2026 | 3.3 | 1.0 | | 16.4 | 13.6 | 96 | 58 | 10.37 | 20.18 |
| 13/10/2026 | 3.9 | 1.2 | | 13.4 | 9.6 | 87 | 43 | 11.90 | 21.83 |
| 14/10/2026 | 3.4 | 0.0 | | 15.5 | 4.8 | 88 | 48 | 4.49 | 22.82 |
| 15/10/2026 | 3.2 | 0.0 | | 15.7 | 7.0 | 95 | 58 | 5.67 | 23.18 |
| 16/10/2026 | 3.2 | 0.0 | | 17.3 | 10.4 | 82 | 60 | 4.74 | 18.16 |
| 17/10/2026 | 3.1 | 0.0 | | 18.1 | 10.2 | 93 | 73 | 4.29 | 22.27 |
| 18/10/2026 | 3.2 | 0.0 | | 18.9 | 11.1 | 98 | 71 | 3.84 | 22.84 |
| 19/10/2026 | 3.1 | 0.0 | | 18.5 | 10.3 | 99 | 77 | 4.61 | 24.22 |
| 20/10/2026 | 2.3 | 0.0 | | 18.5 | 12.0 | 95 | 81 | 4.71 | 14.42 |
| 21/10/2026 | 3.4 | 0.6 | | 20.0 | 14.2 | 97 | 79 | 3.59 | 24.60 |
| 22/10/2026 | 3.3 | 0.0 | | 20.3 | 12.8 | 100 | 77 | 5.50 | 24.14 |
| 23/10/2026 | 3.0 | 0.2 | | 19.2 | 13.7 | 98 | 83 | 5.18 | 23.62 |
| 24/10/2026 | 2.9 | 3.6 | | 18.7 | 14.6 | 98 | 67 | 5.22 | 16.51 |
| 25/10/2026 | 1.6 | 10.8 | | 14.4 | 10.9 | 99 | 72 | 4.05 | 6.72 |
| 26/10/2026 | 3.9 | 2.0 | | 15.2 | 10.0 | 82 | 48 | 9.08 | 20.40 |
| Totals: | 77.5 | 38.2 | | | | | | | |
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