Evapotranspiration Calculations
Cunderdin Airfield - 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 | 9.5 | 0.0 | | 38.0 | 16.8 | 50 | 8 | 3.63 | 29.71 |
| 02/01/2026 | 11.3 | 0.0 | | 42.0 | 19.4 | 41 | 10 | 4.68 | 28.39 |
| 03/01/2026 | 11.7 | 0.0 | | 39.5 | 20.8 | 51 | 16 | 5.99 | 30.27 |
| 04/01/2026 | 10.7 | 0.0 | | 41.1 | 17.2 | 62 | 14 | 4.43 | 30.29 |
| 05/01/2026 | 10.7 | 0.0 | | 41.1 | 19.2 | 52 | 13 | 4.38 | 30.18 |
| 06/01/2026 | 10.2 | 0.0 | | 36.9 | 17.6 | 77 | 21 | 6.03 | 30.07 |
| 07/01/2026 | 9.4 | 0.0 | | 33.7 | 17.8 | 73 | 20 | 5.79 | 29.62 |
| 08/01/2026 | 9.8 | 0.0 | | 35.3 | 16.2 | 65 | 15 | 5.72 | 26.24 |
| 09/01/2026 | 9.2 | 0.0 | | 29.1 | 15.3 | 66 | 19 | 8.19 | 26.86 |
| 10/01/2026 | 9.2 | 0.0 | | 29.3 | 14.4 | 63 | 23 | 7.95 | 29.46 |
| 11/01/2026 | 9.6 | 0.0 | | 34.4 | 13.5 | 66 | 19 | 5.88 | 28.23 |
| 12/01/2026 | 12.1 | 0.0 | | 41.0 | 21.7 | 55 | 15 | 6.09 | 29.86 |
| 13/01/2026 | 9.3 | 0.0 | | 33.9 | 14.1 | 83 | 25 | 6.53 | 29.69 |
| 14/01/2026 | 9.5 | 0.0 | | 32.9 | 15.1 | 79 | 20 | 6.67 | 29.50 |
| 15/01/2026 | 10.4 | 0.0 | | 38.0 | 15.6 | 75 | 17 | 5.54 | 29.50 |
| 16/01/2026 | 14.1 | 0.0 | | 42.9 | 21.7 | 76 | 10 | 8.03 | 29.45 |
| 17/01/2026 | 8.6 | 0.0 | | 32.9 | 16.0 | 89 | 21 | 6.07 | 26.14 |
| 18/01/2026 | 8.5 | 0.0 | | 32.9 | 14.2 | 76 | 14 | 4.35 | 29.35 |
| 19/01/2026 | 10.3 | 0.0 | | 36.1 | 14.5 | 64 | 12 | 5.48 | 29.22 |
| 20/01/2026 | 11.6 | 0.0 | | 39.1 | 17.1 | 59 | 12 | 6.09 | 28.96 |
| 21/01/2026 | 11.7 | 0.0 | | 39.9 | 17.3 | 73 | 9 | 6.01 | 29.09 |
| 22/01/2026 | 14.0 | 0.0 | | 42.7 | 23.6 | 65 | 9 | 8.08 | 26.25 |
| 23/01/2026 | 8.4 | 0.0 | | 32.4 | 16.7 | 72 | 22 | 5.31 | 26.95 |
| 24/01/2026 | 9.1 | 0.0 | | 34.6 | 15.5 | 72 | 15 | 4.82 | 28.63 |
| 25/01/2026 | 7.5 | 0.0 | | 30.5 | 11.9 | 90 | 31 | 6.16 | 27.04 |
| 26/01/2026 | 6.8 | 0.0 | | 28.0 | 15.4 | 86 | 28 | 6.33 | 21.47 |
| 27/01/2026 | 7.7 | 0.0 | | 28.2 | 12.9 | 67 | 23 | 5.66 | 27.64 |
| 28/01/2026 | 8.5 | 0.0 | | 31.5 | 14.2 | 70 | 22 | 5.70 | 28.05 |
| 29/01/2026 | 8.8 | 0.0 | | 37.0 | 16.3 | 64 | 19 | 4.04 | 27.35 |
| 30/01/2026 | 9.2 | 0.0 | | 41.5 | 19.4 | 66 | 17 | 3.98 | 23.68 |
| Totals: | 297.4 | 0.0 | | | | | | | |
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