Evapotranspiration Calculations
Narrabri 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 | 3.1 | | | 20.7 | 6.0 | 87 | 34 | 3.69 | 14.72 |
| 02/08/2026 | 2.1 | 0.0 | | 20.9 | 3.2 | 95 | 43 | 1.76 | 12.93 |
| 03/08/2026 | 3.0 | 0.0 | | 20.9 | 8.2 | 88 | 48 | 4.76 | 12.19 |
| 04/08/2026 | 3.3 | 0.2 | | 22.0 | 9.1 | 94 | 33 | 3.79 | 14.59 |
| 05/08/2026 | 2.3 | 0.0 | | 17.5 | 0.5 | 95 | 35 | 2.23 | 15.22 |
| 06/08/2026 | 2.1 | 0.0 | | 17.2 | 1.9 | 92 | 36 | 2.07 | 13.91 |
| 07/08/2026 | 2.1 | 0.0 | | 18.8 | -0.9 | 98 | 37 | 1.65 | 15.44 |
| 08/08/2026 | 2.4 | 0.0 | | 19.5 | 0.3 | 99 | 35 | 2.17 | 14.92 |
| 09/08/2026 | 2.9 | 0.0 | | 20.9 | 8.3 | 83 | 44 | 4.41 | 7.10 |
| 10/08/2026 | 3.1 | 10.4 | | 16.9 | 6.9 | 98 | 46 | 8.67 | 13.12 |
| 11/08/2026 | 2.4 | 0.2 | | 18.9 | 10.1 | 98 | 48 | 2.83 | 13.92 |
| 12/08/2026 | 2.1 | 0.0 | | 16.7 | 7.7 | 90 | 58 | 4.13 | 10.04 |
| 13/08/2026 | 2.5 | 0.0 | | 19.1 | 3.1 | 100 | 43 | 2.73 | 15.97 |
| 14/08/2026 | 2.4 | 0.0 | | 19.8 | 2.1 | 100 | 38 | 1.89 | 16.28 |
| 15/08/2026 | 3.0 | 0.0 | | 21.5 | 4.2 | 95 | 41 | 3.25 | 15.98 |
| 16/08/2026 | 4.2 | 0.0 | | 21.4 | 8.4 | 84 | 31 | 5.63 | 16.41 |
| 17/08/2026 | 3.3 | 0.0 | | 21.5 | 11.6 | 81 | 45 | 4.59 | 12.59 |
| 18/08/2026 | 3.2 | 0.0 | | 22.0 | 10.1 | 91 | 42 | 3.53 | 16.34 |
| 19/08/2026 | 3.0 | 0.0 | | 23.2 | 6.4 | 94 | 33 | 2.16 | 16.89 |
| 20/08/2026 | 2.9 | 0.0 | | 23.3 | 4.8 | 95 | 42 | 2.51 | 15.30 |
| 21/08/2026 | 2.8 | 0.0 | | 21.2 | 8.0 | 100 | 55 | 5.14 | 11.83 |
| 22/08/2026 | 1.7 | 19.0 | | 18.3 | 12.3 | 100 | 72 | 2.39 | 9.93 |
| 23/08/2026 | 2.7 | 0.0 | | 22.1 | 6.8 | 98 | 53 | 2.11 | 17.32 |
| 24/08/2026 | 3.5 | 0.2 | | 23.9 | 7.4 | 100 | 43 | 3.55 | 17.63 |
| 25/08/2026 | 2.3 | 0.0 | | 21.2 | 11.4 | 100 | 66 | 7.13 | 8.03 |
| 26/08/2026 | 2.9 | 20.2 | | 20.8 | 14.6 | 100 | 52 | 3.11 | 17.26 |
| Totals: | 71.3 | 50.2 | | | | | | | |
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