Evapotranspiration Calculations
Gunnedah Airport - August 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) |
| 01/08/2026 | 2.7 | 0.0 | | 19.2 | 2.1 | 91 | 35 | 3.09 | 14.46 |
| 02/08/2026 | 2.3 | 0.0 | | 20.7 | 3.0 | 95 | 43 | 2.30 | 13.54 |
| 03/08/2026 | 2.2 | 0.0 | | 20.1 | 4.6 | 94 | 51 | 2.78 | 11.47 |
| 04/08/2026 | 2.8 | 2.2 | | 20.8 | 4.4 | 98 | 32 | 3.02 | 14.59 |
| 05/08/2026 | 1.9 | 0.0 | | 16.4 | -2.6 | 97 | 33 | 1.50 | 14.96 |
| 06/08/2026 | 1.6 | 0.2 | | 15.7 | -2.6 | 97 | 41 | 1.09 | 13.35 |
| 07/08/2026 | 1.8 | 0.0 | | 17.1 | -3.9 | 97 | 41 | 1.30 | 15.16 |
| 08/08/2026 | 2.1 | 0.0 | | 19.3 | -2.5 | 96 | 36 | 1.47 | 15.10 |
| 09/08/2026 | 1.9 | 0.0 | | 18.3 | 5.6 | 88 | 60 | 3.38 | 7.13 |
| 10/08/2026 | 2.7 | 11.2 | | 15.6 | 6.8 | 93 | 50 | 7.38 | 11.97 |
| 11/08/2026 | 2.5 | 0.0 | | 19.1 | 9.0 | 91 | 44 | 3.09 | 12.68 |
| 12/08/2026 | 2.1 | 0.2 | | 17.6 | 2.8 | 98 | 45 | 2.52 | 12.05 |
| 13/08/2026 | 2.5 | 0.4 | | 18.6 | 2.2 | 98 | 47 | 3.18 | 15.18 |
| 14/08/2026 | 2.1 | 0.0 | | 19.2 | -1.3 | 98 | 42 | 1.36 | 16.05 |
| 15/08/2026 | 3.1 | 0.0 | | 20.4 | 2.2 | 95 | 35 | 3.49 | 16.12 |
| 16/08/2026 | 3.7 | 0.0 | | 21.3 | 4.0 | 94 | 38 | 5.25 | 15.98 |
| 17/08/2026 | 3.2 | 0.0 | | 20.3 | 7.6 | 90 | 48 | 5.37 | 14.22 |
| 18/08/2026 | 3.4 | 0.0 | | 21.1 | 6.4 | 91 | 42 | 4.56 | 16.13 |
| 19/08/2026 | 3.0 | 0.0 | | 21.4 | 6.0 | 93 | 37 | 2.59 | 16.72 |
| 20/08/2026 | 2.4 | 0.0 | | 21.3 | 4.6 | 97 | 44 | 1.81 | 14.86 |
| 21/08/2026 | 1.9 | 0.0 | | 19.4 | 4.4 | 97 | 58 | 2.32 | 10.28 |
| 22/08/2026 | 2.0 | 12.4 | | 19.5 | 11.5 | 97 | 62 | 1.96 | 11.38 |
| 23/08/2026 | 2.6 | 0.2 | | 21.8 | 2.2 | 98 | 51 | 2.22 | 17.33 |
| 24/08/2026 | 3.1 | 0.0 | | 23.8 | 7.0 | 96 | 43 | 2.40 | 17.41 |
| 25/08/2026 | 1.1 | 0.0 | | 17.3 | 8.5 | 97 | 83 | 1.54 | 5.36 |
| 26/08/2026 | 2.9 | 19.2 | | 21.1 | 12.6 | 98 | 49 | 2.74 | 16.65 |
| Totals: | 63.6 | 46.0 | | | | | | | |
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