Evapotranspiration Calculations
Coober Pedy Airport - September 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2025 | 3.8 | 0.0 | 20.3 | 6.5 | 69 | 28 | 3.18 | 19.62 | |
| 02/09/2025 | 4.7 | 0.0 | 23.0 | 8.1 | 56 | 19 | 3.52 | 19.66 | |
| 03/09/2025 | 5.7 | 0.0 | 25.1 | 9.7 | 43 | 13 | 4.18 | 19.92 | |
| 04/09/2025 | 6.9 | 0.0 | 26.9 | 9.9 | 30 | 11 | 5.15 | 20.05 | |
| 05/09/2025 | 9.8 | 0.0 | 30.2 | 14.7 | 26 | 9 | 8.10 | 19.70 | |
| 06/09/2025 | 12.6 | 0.0 | 34.4 | 14.9 | 21 | 9 | 10.22 | 20.34 | |
| 07/09/2025 | 6.8 | 0.0 | 28.2 | 13.4 | 61 | 20 | 5.61 | 20.55 | |
| 08/09/2025 | 6.6 | 0.0 | 30.0 | 14.5 | 33 | 18 | 4.25 | 18.03 | |
| 09/09/2025 | 7.2 | 0.0 | 25.7 | 13.1 | 58 | 20 | 7.61 | 20.67 | |
| 10/09/2025 | 4.9 | 0.0 | 20.2 | 9.5 | 75 | 33 | 7.21 | 19.71 | |
| 11/09/2025 | 4.1 | 0.0 | 19.4 | 8.0 | 87 | 32 | 5.26 | 17.24 | |
| 12/09/2025 | 4.6 | 0.0 | 21.7 | 8.5 | 79 | 25 | 4.09 | 20.76 | |
| 13/09/2025 | 5.5 | 0.0 | 23.2 | 8.7 | 50 | 21 | 4.56 | 21.30 | |
| 14/09/2025 | 8.0 | 0.0 | 27.7 | 8.1 | 54 | 11 | 6.91 | 21.20 | |
| 15/09/2025 | 0.0 | 15.6 | 51 | 10 | 8.67 | 11.81 | |||
| 16/09/2025 | 5.5 | 22.9 | 12.6 | 79 | 22 | 6.13 | 18.27 | ||
| 17/09/2025 | 5.8 | 0.0 | 24.5 | 8.6 | 67 | 17 | 4.67 | 22.03 | |
| 18/09/2025 | 8.6 | 0.0 | 31.1 | 12.8 | 35 | 19 | 6.62 | 21.23 | |
| 19/09/2025 | 6.6 | 0.0 | 25.3 | 17.8 | 44 | 26 | 5.96 | 17.85 | |
| 20/09/2025 | 5.2 | 0.0 | 22.1 | 9.5 | 79 | 27 | 5.38 | 21.99 | |
| Totals: | 122.9 | 0.0 |
