Evapotranspiration Calculations
Broken Hill Airport - January 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) |
| 01/01/2026 | 9.4 | 0.0 | | 31.1 | 13.3 | 29 | 10 | 4.78 | 31.77 |
| 02/01/2026 | 8.5 | 0.0 | | 34.6 | 16.0 | 37 | 13 | 3.05 | 31.69 |
| 03/01/2026 | 9.2 | 0.0 | | 37.2 | 20.6 | 33 | 10 | 3.81 | 25.49 |
| 04/01/2026 | 11.0 | 0.0 | | 37.5 | 20.5 | 48 | 12 | 5.42 | 30.59 |
| 05/01/2026 | 12.4 | 0.0 | | 35.6 | 19.7 | 44 | 8 | 7.40 | 31.54 |
| 06/01/2026 | 11.3 | 0.0 | | 39.2 | 22.4 | 22 | 8 | 4.72 | 31.54 |
| 07/01/2026 | 12.1 | 0.0 | | 42.3 | 24.4 | 16 | 9 | 4.75 | 31.46 |
| 08/01/2026 | 12.7 | 0.0 | | 42.8 | 28.8 | 23 | 9 | 5.23 | 31.38 |
| 09/01/2026 | 14.0 | 0.0 | | 43.3 | 26.8 | 19 | 9 | 6.24 | 31.23 |
| 10/01/2026 | 11.9 | 0.0 | | 31.8 | 23.8 | 37 | 14 | 8.39 | 30.60 |
| 11/01/2026 | 9.8 | 0.0 | | 28.8 | 14.5 | 61 | 14 | 8.16 | 31.08 |
| 12/01/2026 | 9.8 | 0.0 | | 32.3 | 15.4 | 31 | 11 | 5.12 | 30.99 |
| 13/01/2026 | 10.4 | 0.0 | | 33.9 | 16.4 | 42 | 10 | 5.61 | 30.89 |
| 14/01/2026 | 10.1 | 0.0 | | 36.4 | 18.1 | 48 | 11 | 4.69 | 30.90 |
| 15/01/2026 | 10.7 | 0.0 | | 32.9 | 19.8 | 55 | 16 | 7.34 | 30.79 |
| 16/01/2026 | 9.0 | 0.0 | | 30.7 | 16.3 | 74 | 23 | 6.79 | 30.78 |
| 17/01/2026 | 9.3 | 0.0 | | 34.8 | 18.9 | 52 | 15 | 4.39 | 30.56 |
| 18/01/2026 | 10.7 | 0.0 | | 35.3 | 22.0 | 49 | 13 | 5.80 | 30.45 |
| 19/01/2026 | 10.7 | 0.0 | | 38.6 | 23.5 | 41 | 12 | 5.01 | 28.00 |
| 20/01/2026 | 11.4 | 0.0 | | 33.8 | 18.8 | 56 | 14 | 8.13 | 30.34 |
| 21/01/2026 | 10.7 | 0.0 | | 34.9 | 20.3 | 46 | 20 | 6.74 | 28.39 |
| 22/01/2026 | 9.7 | 0.0 | | 29.2 | 15.8 | 57 | 12 | 7.19 | 30.22 |
| 23/01/2026 | 9.2 | 0.0 | | 35.0 | 16.2 | 29 | 9 | 3.88 | 30.08 |
| 24/01/2026 | 10.9 | 0.0 | | 41.9 | 20.4 | 17 | 8 | 4.12 | 29.91 |
| 25/01/2026 | 12.8 | 0.0 | | 44.9 | 26.6 | 18 | 6 | 5.18 | 27.90 |
| 26/01/2026 | 9.7 | 0.0 | | 46.3 | 25.2 | 30 | 7 | 3.03 | 26.47 |
| 27/01/2026 | 13.1 | 0.0 | | 47.8 | 30.1 | 17 | 6 | 4.94 | 28.75 |
| 28/01/2026 | 15.8 | | | 44.0 | 27.7 | 23 | 10 | 8.23 | 29.10 |
| 29/01/2026 | 13.3 | 0.0 | | 46.1 | 29.0 | 31 | 8 | 5.57 | 28.67 |
| 30/01/2026 | 13.1 | 0.0 | | 46.1 | 27.2 | 23 | 7 | 5.28 | 28.67 |
| Totals: | 332.7 | 0.0 | | | | | | | |
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