Evapotranspiration Calculations
Pyrenees (Ben Nevis) - November 2025 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) |
| 01/11/2025 | 4.4 | 6.6 | | 20.8 | 9.2 | 98 | 53 | 3.69 | 27.43 |
| 02/11/2025 | 5.9 | 0.0 | | 27.1 | 14.3 | 98 | 31 | 5.35 | 21.84 |
| 03/11/2025 | 2.0 | 13.0 | | 12.5 | 5.0 | 100 | 67 | 5.41 | 11.94 |
| 04/11/2025 | 1.5 | 2.8 | | 8.5 | 3.4 | 99 | 82 | 4.95 | 12.39 |
| 05/11/2025 | 2.8 | 2.4 | | 14.2 | 3.3 | 99 | 61 | 4.84 | 19.58 |
| 06/11/2025 | 4.2 | 0.2 | | 19.2 | 5.4 | 95 | 39 | 3.92 | 22.68 |
| 07/11/2025 | 3.5 | 1.0 | | 19.9 | 10.5 | 99 | 41 | 6.76 | 9.02 |
| 08/11/2025 | 2.1 | 2.4 | | 8.4 | 3.0 | 100 | 61 | 9.46 | 16.40 |
| 09/11/2025 | 2.2 | 2.8 | | 11.4 | 3.2 | 100 | 76 | 6.29 | 20.28 |
| 10/11/2025 | 2.0 | 1.4 | | 12.1 | 3.8 | 99 | 70 | 4.78 | 12.71 |
| 11/11/2025 | 2.7 | 7.6 | | 9.0 | 1.3 | 99 | 52 | 7.43 | 22.14 |
| 12/11/2025 | 3.9 | 0.4 | | 15.8 | 1.7 | 91 | 40 | 3.24 | 25.72 |
| 13/11/2025 | 4.9 | 0.0 | | 19.5 | 4.6 | 97 | 32 | 5.24 | 26.59 |
| 14/11/2025 | 4.4 | 0.0 | | 19.3 | 4.4 | 99 | 41 | 2.82 | 27.83 |
| 15/11/2025 | 3.9 | 2.0 | | 19.7 | 8.4 | 94 | 53 | 3.71 | 21.82 |
| 16/11/2025 | 2.5 | 0.0 | | 13.6 | 7.2 | 99 | 57 | 4.98 | 13.50 |
| 17/11/2025 | 1.0 | 5.0 | | 9.6 | 4.2 | 99 | 91 | 7.11 | 8.99 |
| 18/11/2025 | 2.3 | 0.8 | | 17.0 | 5.1 | 99 | 71 | 4.53 | 12.61 |
| 19/11/2025 | 3.8 | 0.0 | | 17.1 | 6.9 | 99 | 48 | 4.46 | 23.05 |
| 20/11/2025 | 3.5 | 0.0 | | 12.5 | 3.4 | 99 | 44 | 5.93 | 25.15 |
| 21/11/2025 | 4.2 | 0.0 | | 14.2 | 2.8 | 84 | 45 | 4.98 | 30.18 |
| 22/11/2025 | 4.0 | 0.0 | | 20.1 | 6.0 | 98 | 29 | 2.52 | 20.54 |
| 23/11/2025 | 3.6 | 6.4 | | 18.5 | 9.1 | 99 | 64 | 2.76 | 22.69 |
| 24/11/2025 | 6.3 | 0.2 | | 26.8 | 11.2 | 79 | 42 | 4.74 | 28.76 |
| 25/11/2025 | 5.2 | 0.0 | | 20.9 | 10.6 | 92 | 44 | 5.22 | 28.38 |
| Totals: | 86.8 | 55.0 | | | | | | | |
Monthly Archive