Evapotranspiration Calculations
Pyrenees (Ben Nevis) - March 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/03/2026 | 1.4 | 8.0 | 17.1 | 16.4 | 99 | 83 | 10.36 | 5.65 | |
| 02/03/2026 | 1.2 | 19.6 | 17.3 | 15.2 | 100 | 99 | 6.31 | 8.98 | |
| 03/03/2026 | 4.1 | 5.0 | 19.1 | 9.4 | 100 | 34 | 4.05 | 22.80 | |
| 04/03/2026 | 4.8 | 0.0 | 21.1 | 9.5 | 75 | 31 | 4.10 | 23.44 | |
| 05/03/2026 | 5.4 | 0.0 | 25.0 | 11.8 | 85 | 28 | 4.41 | 23.26 | |
| 06/03/2026 | 4.6 | 0.0 | 24.2 | 11.4 | 97 | 37 | 3.53 | 23.05 | |
| 07/03/2026 | 3.3 | 0.0 | 17.4 | 10.4 | 99 | 57 | 5.60 | 20.85 | |
| 08/03/2026 | 2.9 | 1.8 | 17.6 | 8.2 | 99 | 69 | 5.66 | 20.57 | |
| 09/03/2026 | 4.7 | 0.0 | 25.2 | 8.6 | 88 | 38 | 3.96 | 21.49 | |
| 10/03/2026 | 5.0 | 0.0 | 27.8 | 12.4 | 73 | 28 | 2.64 | 22.18 | |
| 11/03/2026 | 3.9 | 0.0 | 20.0 | 19.0 | 98 | 32 | 7.31 | 10.85 | |
| 12/03/2026 | 2.5 | 1.2 | 12.8 | 6.1 | 99 | 53 | 7.23 | 13.89 | |
| Totals: | 43.8 | 35.6 |
