Evapotranspiration Calculations
Narrabri Airport - 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 | 6.5 | 0.0 | | 28.8 | 7.6 | 76 | 20 | 4.43 | 23.08 |
| 02/10/2026 | 7.2 | 0.0 | | 30.3 | 9.6 | 64 | 22 | 5.16 | 21.84 |
| 03/10/2026 | 5.4 | 0.0 | | 27.5 | 16.5 | 66 | 33 | 5.16 | 11.99 |
| 04/10/2026 | 5.3 | 0.4 | | 28.9 | 15.0 | 84 | 35 | 3.94 | 18.87 |
| 05/10/2026 | 4.6 | 1.6 | | 28.8 | 14.1 | 100 | 45 | 4.43 | 16.73 |
| 06/10/2026 | 6.1 | 13.4 | | 30.1 | 16.8 | 94 | 28 | 4.07 | 23.30 |
| 07/10/2026 | 7.2 | 0.0 | | 28.9 | 13.3 | 72 | 20 | 5.33 | 24.16 |
| 08/10/2026 | 5.6 | 0.0 | | 27.9 | 12.9 | 77 | 30 | 3.85 | 21.74 |
| 09/10/2026 | 7.1 | 0.0 | | 32.3 | 11.5 | 88 | 32 | 5.42 | 23.48 |
| 10/10/2026 | 6.6 | 0.2 | | 30.4 | 18.8 | 90 | 35 | 7.18 | 18.85 |
| 11/10/2026 | 6.4 | 0.2 | | 33.4 | 14.6 | 93 | 22 | 3.41 | 22.66 |
| 12/10/2026 | 8.2 | 0.0 | | 35.6 | 17.0 | 93 | 26 | 6.28 | 21.01 |
| 13/10/2026 | 2.9 | 1.2 | | 25.5 | 19.9 | 97 | 67 | 4.20 | 10.89 |
| 14/10/2026 | 5.8 | 3.6 | | 26.9 | 11.3 | 95 | 38 | 5.44 | 25.11 |
| 15/10/2026 | 4.6 | 0.0 | | 25.8 | 13.9 | 100 | 39 | 4.31 | 18.48 |
| 16/10/2026 | 3.6 | 37.4 | | 22.6 | 13.2 | 100 | 46 | 2.79 | 17.83 |
| 17/10/2026 | 4.3 | 0.0 | | 24.3 | 14.3 | 90 | 42 | 4.13 | 17.35 |
| 18/10/2026 | 4.5 | 0.2 | | 24.4 | 14.7 | 75 | 38 | 3.19 | 18.30 |
| 19/10/2026 | 4.2 | 0.0 | | 25.0 | 14.1 | 94 | 38 | 2.52 | 19.54 |
| 20/10/2026 | 3.8 | 0.0 | | 24.1 | 14.2 | 90 | 52 | 3.16 | 16.93 |
| 21/10/2026 | 2.7 | 0.2 | | 24.5 | 13.9 | 98 | 65 | 2.40 | 12.05 |
| 22/10/2026 | 2.7 | 22.8 | | 22.9 | 16.4 | 100 | 68 | 3.51 | 12.46 |
| 23/10/2026 | 3.3 | 1.4 | | 23.8 | 17.1 | 98 | 66 | 3.10 | 16.11 |
| 24/10/2026 | 5.4 | 2.0 | | 30.4 | 16.9 | 98 | 50 | 4.39 | 22.55 |
| 25/10/2026 | 5.1 | 0.2 | | 29.9 | 20.3 | 99 | 58 | 6.98 | 19.61 |
| 26/10/2026 | 5.1 | 15.8 | | 27.5 | 18.7 | 98 | 50 | 4.24 | 23.29 |
| Totals: | 134.2 | 100.6 | | | | | | | |
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