Evapotranspiration Calculations
Pyrenees (Ben Nevis) - April 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) |
|---|---|---|---|---|---|---|---|---|---|
| 28/03/2026 | 1.8 | 2.8 | 14.7 | 4.1 | 99 | 74 | 5.48 | 12.27 | |
| 29/03/2026 | 3.3 | 2.0 | 20.1 | 7.9 | 99 | 43 | 3.67 | 17.98 | |
| 30/03/2026 | 3.9 | 0.0 | 22.4 | 12.3 | 72 | 36 | 3.32 | 17.84 | |
| 31/03/2026 | 5.3 | 0.0 | 24.0 | 14.1 | 58 | 29 | 5.45 | 17.80 | |
| 01/04/2026 | 2.7 | 0.0 | 18.3 | 15.2 | 96 | 34 | 4.15 | 7.66 | |
| 02/04/2026 | 3.5 | 1.2 | 20.0 | 10.5 | 95 | 35 | 3.91 | 17.07 | |
| 03/04/2026 | 2.3 | 0.6 | 13.4 | 6.8 | 99 | 58 | 5.89 | 16.41 | |
| Totals: | 22.8 | 6.6 |
