Evapotranspiration Calculations
Holsworthy Aerodrome - 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 | 3.3 | 0.0 | | 21.2 | 15.9 | 91 | 49 | 4.21 | 10.95 |
| 02/01/2026 | 3.0 | 0.0 | | 21.9 | 15.1 | 91 | 56 | 2.99 | 11.34 |
| 03/01/2026 | 4.5 | 0.2 | | 26.9 | 17.1 | 95 | 55 | 2.94 | 21.00 |
| 04/01/2026 | 5.8 | 0.4 | | 33.0 | 18.1 | 95 | 41 | 3.56 | 20.72 |
| 05/01/2026 | 5.2 | 0.4 | | 28.5 | 15.3 | 94 | 50 | 3.24 | 23.77 |
| 06/01/2026 | 5.6 | 0.6 | | 29.6 | 16.5 | 95 | 52 | 2.53 | 27.56 |
| 07/01/2026 | 7.6 | 0.4 | | 36.3 | 17.5 | 95 | 29 | 2.58 | 31.05 |
| 08/01/2026 | 9.0 | 0.0 | | 40.6 | 19.2 | 92 | 14 | 2.98 | 31.41 |
| 09/01/2026 | 8.2 | 0.0 | | 37.9 | 19.3 | 93 | 25 | 2.92 | 31.36 |
| 10/01/2026 | 11.2 | 0.0 | | 41.7 | 19.5 | 79 | 17 | 5.16 | 31.30 |
| 11/01/2026 | 2.4 | 0.0 | | 21.5 | 20.1 | 88 | 62 | 4.32 | 4.49 |
| 12/01/2026 | 2.4 | 1.4 | | 23.2 | 15.6 | 94 | 71 | 2.71 | 9.77 |
| 13/01/2026 | 5.7 | 0.6 | | 30.1 | 17.3 | 95 | 48 | 3.08 | 25.50 |
| 14/01/2026 | 4.1 | 0.0 | | 27.5 | 19.7 | 91 | 55 | 3.29 | 15.58 |
| 15/01/2026 | 3.7 | 0.4 | | 27.3 | 20.0 | 86 | 58 | 4.18 | 11.35 |
| 16/01/2026 | 5.4 | 0.0 | | 27.9 | 17.8 | 90 | 51 | 4.24 | 23.66 |
| 17/01/2026 | 2.5 | 0.0 | | 23.2 | 19.0 | 96 | 78 | 7.23 | 10.18 |
| 18/01/2026 | 4.0 | 0.0 | | 24.8 | 18.4 | 94 | 57 | 6.63 | 14.08 |
| 19/01/2026 | 3.4 | 0.2 | | 24.8 | 17.0 | 94 | 58 | 2.92 | 14.54 |
| 20/01/2026 | 4.4 | 0.2 | | 25.4 | 17.2 | 95 | 53 | 3.37 | 20.66 |
| 21/01/2026 | 5.5 | 0.8 | | 25.8 | 14.7 | 92 | 48 | 3.00 | 28.71 |
| 22/01/2026 | 5.1 | 0.0 | | 25.6 | 15.9 | 88 | 52 | 4.69 | 23.14 |
| 23/01/2026 | 4.5 | 0.0 | | 23.4 | 16.2 | 75 | 48 | 3.23 | 19.94 |
| 24/01/2026 | 6.2 | 0.0 | | 29.8 | 14.2 | 90 | 43 | 2.73 | 30.11 |
| 25/01/2026 | 8.6 | 0.0 | | 40.8 | 17.1 | 95 | 17 | 2.92 | 29.64 |
| 26/01/2026 | 4.1 | 0.0 | | 25.8 | 20.2 | 82 | 61 | 4.45 | 15.46 |
| 27/01/2026 | 5.6 | 0.0 | | 27.8 | 16.9 | 88 | 48 | 3.12 | 26.47 |
| 28/01/2026 | 6.1 | 0.0 | | 30.9 | 15.0 | 91 | 45 | 2.36 | 29.79 |
| 29/01/2026 | 5.6 | 0.0 | | 29.3 | 20.1 | 91 | 49 | 2.88 | 25.62 |
| 30/01/2026 | 6.4 | 0.0 | | 31.5 | 19.2 | 90 | 42 | 2.82 | 28.65 |
| Totals: | 159.1 | 5.6 | | | | | | | |
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