Evapotranspiration Calculations
Roxby Downs (Olympic Dam Aerodrome) - July 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/07/2026 | 2.9 | 3.4 | 18.2 | 11.1 | 98 | 43 | 7.41 | 11.20 | |
| 02/07/2026 | 2.9 | 0.0 | 20.1 | 8.2 | 95 | 44 | 5.72 | 12.75 | |
| 03/07/2026 | 1.7 | 0.4 | 16.3 | 6.7 | 100 | 52 | 2.94 | 11.79 | |
| 04/07/2026 | 1.8 | 0.0 | 15.0 | 9.0 | 84 | 44 | 2.56 | 9.96 | |
| 05/07/2026 | 1.9 | 0.0 | 14.6 | 10.0 | 75 | 48 | 3.05 | 9.85 | |
| 06/07/2026 | 1.7 | 0.0 | 15.0 | 3.0 | 94 | 45 | 2.51 | 12.90 | |
| 07/07/2026 | 2.5 | 0.0 | 20.0 | 4.6 | 92 | 46 | 4.06 | 10.52 | |
| 08/07/2026 | 1.1 | 0.0 | 13.4 | 10.2 | 98 | 72 | 2.41 | 6.63 | |
| 09/07/2026 | 1.1 | 9.4 | 15.0 | 10.6 | 97 | 72 | 1.93 | 7.24 | |
| 10/07/2026 | 1.6 | 0.4 | 19.4 | 5.7 | 100 | 48 | 1.49 | 12.92 | |
| 11/07/2026 | 3.1 | 0.0 | 21.3 | 9.8 | 95 | 39 | 5.04 | 12.27 | |
| 12/07/2026 | 1.8 | 0.0 | 16.5 | 6.1 | 98 | 53 | 3.24 | 11.63 | |
| 13/07/2026 | 2.1 | 0.0 | 18.7 | 6.7 | 92 | 50 | 3.10 | 12.52 | |
| 14/07/2026 | 1.6 | 0.2 | 17.8 | 6.2 | 96 | 55 | 2.19 | 10.53 | |
| 15/07/2026 | 2.3 | 0.0 | 19.1 | 6.9 | 97 | 39 | 3.08 | 13.42 | |
| 16/07/2026 | 2.3 | 0.0 | 19.4 | 1.2 | 96 | 23 | 2.17 | 13.49 | |
| Totals: | 32.4 | 13.8 |
