Evapotranspiration Calculations
Robe Airfield - September 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2026 | 2.4 | 0.2 | 19.0 | 5.6 | 97 | 57 | 5.58 | 7.70 | |
| 02/09/2026 | 2.1 | 2.2 | 15.0 | 10.9 | 85 | 63 | 4.47 | 9.32 | |
| 03/09/2026 | 2.7 | 1.4 | 15.6 | 12.0 | 91 | 48 | 4.99 | 13.83 | |
| 04/09/2026 | 2.0 | 0.0 | 15.9 | 9.3 | 92 | 63 | 4.95 | 8.41 | |
| 05/09/2026 | 2.6 | 2.6 | 16.2 | 11.8 | 90 | 64 | 7.53 | 14.85 | |
| 06/09/2026 | 2.1 | 2.2 | 16.5 | 10.5 | 92 | 67 | 2.79 | 14.93 | |
| 07/09/2026 | 2.6 | 0.4 | 15.0 | 10.7 | 91 | 53 | 4.14 | 16.56 | |
| 08/09/2026 | 1.8 | 0.2 | 15.5 | 1.0 | 96 | 68 | 2.58 | 14.20 | |
| 09/09/2026 | 9.8 | 100 | 52 | 5.80 | 13.52 | ||||
| 10/09/2026 | 15.8 | 95 | 63 | 2.24 | 17.85 | ||||
| 11/09/2026 | 2.7 | 0.2 | 19.4 | 3.3 | 97 | 39 | 2.04 | 18.05 | |
| 12/09/2026 | 3.1 | 0.0 | 22.3 | 6.4 | 92 | 32 | 1.99 | 18.04 | |
| 13/09/2026 | 2.3 | 0.0 | 18.6 | 9.8 | 93 | 62 | 4.24 | 10.56 | |
| 14/09/2026 | 2.1 | 1.4 | 16.4 | 12.7 | 91 | 70 | 3.66 | 12.13 | |
| 15/09/2026 | 3.1 | 0.8 | 15.1 | 10.4 | 84 | 52 | 6.32 | 17.44 | |
| Totals: | 31.6 | 11.6 |
