Evapotranspiration Calculations
Coffs Harbour 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 | 3.6 | 0.0 | | 24.0 | 8.2 | 100 | 45 | 3.41 | 18.66 |
| 02/09/2026 | 4.4 | 0.0 | | 27.5 | 11.4 | 97 | 41 | 4.14 | 18.95 |
| 03/09/2026 | 6.5 | 0.0 | | 33.8 | 14.7 | 82 | 22 | 4.56 | 17.44 |
| 04/09/2026 | 3.1 | 0.0 | | 23.3 | 10.8 | 100 | 59 | 3.02 | 18.35 |
| 05/09/2026 | 5.0 | 0.0 | | 30.6 | 10.2 | 100 | 32 | 3.56 | 19.30 |
| 06/09/2026 | 6.5 | 0.0 | | 29.9 | 15.8 | 77 | 20 | 5.25 | 19.58 |
| 07/09/2026 | 3.1 | 0.0 | | 22.2 | 10.7 | 96 | 61 | 3.15 | 19.31 |
| 08/09/2026 | 3.3 | 4.0 | | 21.2 | 13.1 | 99 | 59 | 6.99 | 16.94 |
| 09/09/2026 | 3.5 | 0.0 | | 22.6 | 8.7 | 100 | 53 | 4.23 | 18.95 |
| 10/09/2026 | 4.5 | 0.0 | | 20.9 | 14.0 | 77 | 51 | 8.39 | 19.17 |
| 11/09/2026 | 2.4 | 0.8 | | 19.9 | 13.2 | 97 | 69 | 4.96 | 12.47 |
| 12/09/2026 | 2.9 | 5.0 | | 21.4 | 10.0 | 100 | 63 | 2.60 | 18.47 |
| 13/09/2026 | 3.7 | 0.0 | | 22.4 | 10.0 | 99 | 48 | 3.52 | 20.66 |
| 14/09/2026 | 4.6 | 0.0 | | 24.8 | 10.9 | 95 | 43 | 5.48 | 20.83 |
| 15/09/2026 | 4.8 | 0.0 | | 26.2 | 14.2 | 93 | 46 | 5.28 | 20.92 |
| Totals: | 61.9 | 9.8 | | | | | | | |
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