Evapotranspiration Calculations
St Helens Aerodrome - December 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/12/2013 | 4.5 | 0.0 | 19.3 | 7.4 | 94 | 62 | 4.37 | 32.25 | |
| 02/12/2013 | 7.7 | 0.0 | 29.0 | 13.4 | 86 | 29 | 3.75 | 36.06 | |
| 03/12/2013 | 5.5 | 0.0 | 22.5 | 12.7 | 95 | 68 | 2.47 | 35.60 | |
| 04/12/2013 | 2.2 | 13.0 | 95 | 57 | 2.76 | 6.80 | |||
| 05/12/2013 | 17.1 | 92 | 44 | 2.78 | 12.97 | ||||
| 06/12/2013 | 4.9 | 10.2 | 19.5 | 6.4 | 86 | 32 | 2.78 | 29.55 | |
| 07/12/2013 | 4.5 | 0.0 | 17.9 | 7.1 | 84 | 49 | 3.30 | 29.92 | |
| 08/12/2013 | 3.6 | 0.0 | 22.9 | 9.6 | 89 | 48 | 3.64 | 13.96 | |
| 09/12/2013 | 3.2 | 0.0 | 18.7 | 12.6 | 90 | 50 | 3.59 | 14.10 | |
| 10/12/2013 | 5.3 | 2.0 | 17.6 | 9.1 | 85 | 40 | 5.02 | 34.05 | |
| Totals: | 39.2 | 14.4 |
