Evapotranspiration Calculations
Roxby Downs (Olympic Dam Aerodrome) - October 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) |
| 01/10/2026 | 4.7 | 0.0 | | 29.9 | 19.6 | 97 | 31 | 4.15 | 12.37 |
| 02/10/2026 | 4.9 | 10.8 | | 22.0 | 14.8 | 98 | 29 | 5.14 | 22.11 |
| 03/10/2026 | 5.5 | 0.0 | | 24.1 | 11.0 | 84 | 24 | 4.51 | 23.37 |
| 04/10/2026 | 2.0 | 0.0 | | 18.7 | 13.6 | 96 | 59 | 2.58 | 7.40 |
| 05/10/2026 | 3.2 | 4.8 | | 22.8 | 13.3 | 97 | 48 | 1.35 | 17.51 |
| 06/10/2026 | 5.5 | 0.0 | | 27.9 | 10.6 | 99 | 17 | 2.87 | 24.77 |
| 07/10/2026 | 5.8 | 0.0 | | 29.3 | 12.3 | 85 | 22 | 2.91 | 24.86 |
| 08/10/2026 | 8.0 | 0.0 | | 31.8 | 14.3 | 65 | 16 | 5.08 | 24.98 |
| 09/10/2026 | 4.4 | 1.8 | | 24.2 | 17.7 | 97 | 25 | 4.63 | 12.61 |
| 10/10/2026 | 4.8 | 12.6 | | 26.0 | 11.0 | 99 | 28 | 2.21 | 25.46 |
| 11/10/2026 | 8.0 | 0.0 | | 33.7 | 15.6 | 93 | 27 | 6.82 | 21.39 |
| 12/10/2026 | 2.8 | 5.8 | | 22.3 | 17.5 | 97 | 62 | 4.64 | 10.89 |
| 13/10/2026 | 5.9 | 12.4 | | 22.9 | 12.2 | 86 | 26 | 5.76 | 25.93 |
| 14/10/2026 | 3.3 | 0.0 | | 19.6 | 10.0 | 88 | 40 | 3.48 | 12.73 |
| 15/10/2026 | 5.3 | 0.0 | | 25.2 | 8.6 | 94 | 24 | 3.10 | 25.85 |
| 16/10/2026 | 5.8 | 0.0 | | 28.4 | 12.9 | 80 | 19 | 3.42 | 21.60 |
| 17/10/2026 | 7.0 | 0.0 | | 30.0 | 14.3 | 66 | 18 | 3.81 | 26.48 |
| 18/10/2026 | 7.7 | 0.0 | | 31.7 | 17.0 | 68 | 24 | 4.74 | 26.36 |
| 19/10/2026 | 8.3 | 0.0 | | 32.4 | 20.1 | 62 | 28 | 5.64 | 26.42 |
| 20/10/2026 | 5.6 | 0.0 | | 30.8 | 18.4 | 73 | 32 | 3.15 | 19.55 |
| 21/10/2026 | 6.8 | 0.0 | | 33.2 | 17.5 | 71 | 21 | 2.86 | 26.84 |
| 22/10/2026 | 5.9 | 0.0 | | 32.2 | 21.4 | 60 | 32 | 3.94 | 14.22 |
| 23/10/2026 | 5.7 | 0.0 | | 34.5 | 20.8 | 71 | 30 | 1.94 | 22.23 |
| 24/10/2026 | 8.8 | 0.0 | | 35.6 | 19.3 | 97 | 23 | 6.16 | 26.02 |
| 25/10/2026 | 5.4 | 6.8 | | 22.9 | 14.2 | 97 | 37 | 7.66 | 23.13 |
| 26/10/2026 | 5.5 | 0.0 | | 24.0 | 9.3 | 88 | 17 | 3.50 | 24.31 |
| Totals: | 146.6 | 55.0 | | | | | | | |
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