Evapotranspiration Calculations
St Helens Aerodrome - 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 | 2.8 | 0.0 | 22.0 | 16.0 | 95 | 60 | 5.20 | 9.07 | |
| 02/03/2026 | 1.8 | 12.4 | 22.7 | 18.3 | 97 | 81 | 4.70 | 7.03 | |
| 03/03/2026 | 2.3 | 3.2 | 18.2 | 14.4 | 93 | 68 | 3.81 | 10.46 | |
| 04/03/2026 | 3.7 | 0.0 | 23.5 | 13.9 | 89 | 58 | 2.81 | 20.57 | |
| 05/03/2026 | 4.5 | 0.0 | 23.4 | 15.4 | 89 | 50 | 5.08 | 21.72 | |
| 06/03/2026 | 4.3 | 0.0 | 24.7 | 14.1 | 87 | 44 | 3.53 | 20.30 | |
| 07/03/2026 | 3.3 | 0.0 | 20.3 | 12.3 | 94 | 46 | 3.14 | 17.38 | |
| 08/03/2026 | 3.2 | 0.2 | 19.5 | 12.4 | 92 | 53 | 3.26 | 17.54 | |
| 09/03/2026 | 2.1 | 0.0 | 20.0 | 12.5 | 96 | 53 | 2.38 | 7.80 | |
| 10/03/2026 | 3.2 | 5.8 | 25.3 | 14.1 | 97 | 54 | 3.06 | 13.66 | |
| 11/03/2026 | 2.0 | 0.4 | 20.4 | 16.5 | 91 | 60 | 3.02 | 5.87 | |
| 12/03/2026 | 3.8 | 0.6 | 21.3 | 10.8 | 94 | 29 | 3.36 | 18.14 | |
| 13/03/2026 | 3.6 | 0.0 | 20.0 | 6.8 | 88 | 34 | 3.08 | 19.98 | |
| Totals: | 40.6 | 22.6 |
