Evapotranspiration Calculations
Pyrenees (Ben Nevis) - January 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2026 | 5.5 | 0.0 | 20.6 | 6.3 | 86 | 42 | 4.92 | 31.93 | |
| 02/01/2026 | 7.3 | 0.0 | 26.9 | 12.1 | 55 | 31 | 4.46 | 31.27 | |
| 03/01/2026 | 7.4 | 0.0 | 29.4 | 14.9 | 98 | 20 | 5.90 | 24.62 | |
| 04/01/2026 | 5.8 | 0.0 | 22.6 | 9.7 | 99 | 38 | 4.88 | 31.75 | |
| 05/01/2026 | 6.9 | 0.0 | 23.3 | 8.8 | 61 | 29 | 5.65 | 31.75 | |
| 06/01/2026 | 7.5 | 0.0 | 31.8 | 13.2 | 56 | 25 | 2.92 | 31.71 | |
| 07/01/2026 | 11.3 | 0.0 | 37.5 | 21.4 | 41 | 12 | 6.08 | 28.99 | |
| 08/01/2026 | 8.9 | 0.0 | 31.5 | 23.1 | 37 | 20 | 5.12 | 25.32 | |
| Totals: | 60.6 | 0.0 |
