Evapotranspiration Calculations
Meekatharra Airport - 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 | 5.2 | 0.0 | 27.3 | 13.7 | 77 | 26 | 3.94 | 20.40 | |
| 02/09/2026 | 4.9 | 0.0 | 26.0 | 12.1 | 88 | 28 | 3.92 | 20.54 | |
| 03/09/2026 | 5.0 | 0.0 | 26.4 | 11.9 | 69 | 26 | 3.42 | 20.68 | |
| 04/09/2026 | 4.8 | 0.0 | 24.0 | 11.9 | 71 | 32 | 4.16 | 20.85 | |
| 05/09/2026 | 5.5 | 0.0 | 27.6 | 11.1 | 74 | 19 | 3.81 | 20.96 | |
| 06/09/2026 | 4.4 | 0.0 | 22.2 | 12.6 | 94 | 38 | 6.22 | 17.95 | |
| 07/09/2026 | 3.6 | 0.2 | 20.1 | 12.4 | 88 | 53 | 7.01 | 14.54 | |
| 08/09/2026 | 3.8 | 0.2 | 19.6 | 11.0 | 93 | 47 | 7.38 | 17.10 | |
| 09/09/2026 | 3.1 | 0.2 | 19.0 | 11.4 | 98 | 54 | 7.23 | 13.83 | |
| 10/09/2026 | 4.0 | 0.0 | 21.9 | 11.2 | 88 | 45 | 5.31 | 17.23 | |
| 11/09/2026 | 6.0 | 0.0 | 30.2 | 11.6 | 96 | 19 | 3.96 | 21.88 | |
| 12/09/2026 | 6.0 | 0.0 | 29.6 | 13.8 | 63 | 19 | 3.54 | 22.02 | |
| 13/09/2026 | 6.4 | 0.0 | 32.5 | 13.9 | 61 | 16 | 3.51 | 20.94 | |
| 14/09/2026 | 6.8 | 0.0 | 32.0 | 15.7 | 62 | 14 | 3.84 | 22.30 | |
| 15/09/2026 | 7.2 | 0.0 | 30.7 | 18.6 | 66 | 27 | 6.51 | 17.22 | |
| Totals: | 76.7 | 0.6 |
