Evapotranspiration Calculations
Perisher Valley - 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 | 2.1 | 1.6 | | 13.6 | 4.1 | 100 | 72 | 1.73 | 12.61 |
| 02/01/2026 | 4.9 | 0.0 | | 19.3 | -0.2 | 100 | 30 | 1.89 | 31.77 |
| 03/01/2026 | 4.2 | 0.0 | | 21.1 | 4.2 | 100 | 43 | 2.03 | 23.88 |
| 04/01/2026 | 4.5 | 6.4 | | 20.7 | 5.2 | 100 | 37 | 2.72 | 24.51 |
| 05/01/2026 | 5.3 | 0.2 | | 21.2 | 4.8 | 100 | 30 | 2.76 | 30.34 |
| 06/01/2026 | 5.6 | 0.0 | | 24.4 | 6.8 | 100 | 32 | 2.75 | 28.92 |
| 07/01/2026 | 6.0 | 0.0 | | 24.9 | 9.4 | 100 | 31 | 3.12 | 31.09 |
| 08/01/2026 | 5.5 | 0.0 | | 25.9 | 10.9 | 65 | 29 | 2.14 | 25.43 |
| 09/01/2026 | 6.6 | 0.0 | | 27.2 | 9.5 | 82 | 20 | 3.86 | 27.29 |
| 10/01/2026 | 6.7 | 0.0 | | 20.6 | 15.5 | 56 | 21 | 5.00 | 28.20 |
| 11/01/2026 | 3.9 | 0.0 | | 15.6 | 1.2 | 100 | 41 | 2.18 | 26.25 |
| 12/01/2026 | 5.1 | 0.0 | | 20.5 | 2.3 | 100 | 25 | 2.04 | 30.71 |
| 13/01/2026 | 4.4 | 0.0 | | 21.4 | 4.1 | 100 | 36 | 1.75 | 25.21 |
| 14/01/2026 | 4.8 | 0.0 | | 22.2 | 5.1 | 100 | 33 | 2.27 | 26.27 |
| 15/01/2026 | 3.8 | 0.2 | | 21.4 | 11.7 | 100 | 41 | 2.80 | 16.91 |
| 16/01/2026 | 1.4 | 41.0 | | 9.0 | 6.5 | 100 | 100 | 3.69 | 11.51 |
| 17/01/2026 | 1.2 | 61.8 | | 10.4 | 5.7 | 100 | 100 | 4.97 | 11.40 |
| 18/01/2026 | 1.2 | 9.2 | | 10.1 | 4.8 | 100 | 100 | 4.59 | 10.55 |
| 19/01/2026 | 4.2 | 2.2 | | 17.9 | 4.0 | 100 | 53 | 2.60 | 27.55 |
| 20/01/2026 | 3.8 | 0.2 | | 19.1 | 3.6 | 100 | 45 | 1.73 | 23.26 |
| 21/01/2026 | 4.0 | 2.4 | | 17.5 | 3.1 | 100 | 56 | 2.92 | 27.05 |
| 22/01/2026 | 3.8 | 0.2 | | 14.3 | 4.5 | 100 | 51 | 2.11 | 26.66 |
| 23/01/2026 | 4.8 | 0.2 | | 20.5 | -0.9 | 100 | 28 | 1.98 | 30.22 |
| 24/01/2026 | 5.7 | 0.0 | | 22.5 | 3.7 | 99 | 30 | 4.18 | 30.00 |
| 25/01/2026 | 7.1 | 0.0 | | 26.3 | 9.3 | 59 | 17 | 4.57 | 27.35 |
| 26/01/2026 | 6.1 | 0.0 | | 25.6 | 11.6 | 89 | 16 | 2.48 | 29.82 |
| 27/01/2026 | 6.4 | 0.0 | | 28.1 | 5.4 | 60 | 17 | 2.55 | 29.79 |
| 28/01/2026 | 6.2 | 0.0 | | 30.8 | 12.4 | 82 | 19 | 1.76 | 29.03 |
| 29/01/2026 | 4.7 | 0.4 | | 27.8 | 13.7 | 93 | 31 | 2.21 | 19.84 |
| 30/01/2026 | 5.9 | 0.0 | | 27.5 | 12.0 | 100 | 31 | 2.41 | 29.01 |
| Totals: | 139.9 | 126.0 | | | | | | | |
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