Evapotranspiration Calculations
Pyrenees (Ben Nevis) - 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) |
|---|---|---|---|---|---|---|---|---|---|
| 30/09/2026 | 3.6 | 0.0 | 17.8 | 13.1 | 72 | 43 | 6.80 | 7.88 | |
| 01/10/2026 | 1.9 | 1.4 | 13.8 | 12.6 | 99 | 51 | 4.96 | 4.55 | |
| 02/10/2026 | 1.2 | 36.4 | 10.3 | 7.3 | 99 | 91 | 6.78 | 12.48 | |
| 03/10/2026 | 1.7 | 14.4 | 13.2 | 7.4 | 100 | 83 | 6.93 | 14.21 | |
| 04/10/2026 | 2.7 | 0.8 | 14.7 | 3.8 | 99 | 67 | 4.18 | 22.14 | |
| 05/10/2026 | 2.3 | 0.0 | 13.9 | 5.2 | 95 | 50 | 2.74 | 13.45 | |
| 06/10/2026 | 2.0 | 0.0 | 10.8 | 5.9 | 98 | 62 | 6.28 | 12.78 | |
| Totals: | 15.4 | 53.0 |
