Evapotranspiration Calculations
Pyrenees (Ben Nevis) - May 2013 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) |
| 01/05/2013 | 2.0 | 0.2 | | 13.0 | 6.9 | 91 | 54 | 5.76 | 10.54 |
| 02/05/2013 | 2.6 | 0.0 | | 13.6 | 3.7 | 90 | 30 | 4.71 | 14.87 |
| 03/05/2013 | 3.6 | 0.0 | | 14.1 | 5.8 | 74 | 16 | 6.70 | 9.68 |
| 04/05/2013 | 1.5 | 2.4 | | 8.9 | 3.2 | 97 | 62 | 7.00 | 14.63 |
| 05/05/2013 | 1.8 | 0.2 | | 11.2 | 2.4 | 89 | 55 | 4.52 | 14.31 |
| 06/05/2013 | 2.0 | 0.0 | | 12.7 | 3.9 | 87 | 53 | 5.49 | 11.94 |
| 07/05/2013 | 2.7 | 0.0 | | 14.9 | 5.1 | 73 | 47 | 6.73 | 9.07 |
| 08/05/2013 | 3.3 | 0.2 | | 19.2 | 8.7 | 65 | 38 | 5.01 | 12.52 |
| 09/05/2013 | 3.0 | 0.0 | | 20.9 | 11.3 | 77 | 43 | 4.49 | 13.04 |
| 10/05/2013 | 3.3 | 0.0 | | 19.4 | 11.8 | 72 | 48 | 6.44 | 12.62 |
| 11/05/2013 | 4.3 | 0.0 | | 19.8 | 12.6 | 60 | 35 | 7.57 | 12.59 |
| 12/05/2013 | 2.2 | 0.0 | | 14.0 | 11.0 | 98 | 38 | 6.03 | 2.99 |
| 13/05/2013 | 0.5 | 14.6 | | 7.7 | 4.9 | 98 | 96 | 3.67 | 5.66 |
| 14/05/2013 | 0.6 | 2.2 | | 5.8 | 2.2 | 98 | 91 | 3.01 | 5.96 |
| 15/05/2013 | 0.4 | 3.2 | | 7.8 | 3.0 | 99 | 97 | 4.83 | 5.61 |
| 16/05/2013 | 0.4 | 3.4 | | 7.8 | 4.7 | 99 | 97 | 7.15 | 7.79 |
| 17/05/2013 | 0.5 | 3.2 | | 8.7 | 5.0 | 99 | 98 | 5.83 | 7.68 |
| 18/05/2013 | 0.8 | 3.0 | | 8.3 | 3.6 | 98 | 83 | 4.31 | 7.68 |
| 19/05/2013 | 1.0 | 0.2 | | 10.4 | 2.9 | 96 | 77 | 3.75 | 11.05 |
| 20/05/2013 | 0.7 | 5.0 | | 10.2 | 4.8 | 97 | 86 | 4.69 | 5.94 |
| 21/05/2013 | 1.3 | 1.4 | | 11.1 | 3.5 | 97 | 64 | 4.78 | 11.64 |
| 22/05/2013 | 1.1 | 0.0 | | 9.4 | 5.2 | 94 | 69 | 4.58 | 5.56 |
| Totals: | 39.6 | 39.2 | | | | | | | |
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