Evapotranspiration Calculations
Geraldton 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 | 9.8 | 0.0 | | 38.7 | 14.4 | 86 | 12 | 4.24 | 29.64 |
| 02/01/2026 | 6.2 | 0.0 | | 29.2 | 15.9 | 94 | 52 | 4.23 | 30.10 |
| 03/01/2026 | 6.1 | 0.0 | | 29.5 | 17.6 | 92 | 55 | 4.23 | 28.99 |
| 04/01/2026 | 6.3 | 0.0 | | 29.6 | 17.8 | 94 | 52 | 3.72 | 30.42 |
| 05/01/2026 | 6.2 | 0.0 | | 29.3 | 17.1 | 94 | 59 | 5.67 | 30.37 |
| 06/01/2026 | 5.9 | 0.0 | | 28.1 | 20.9 | 84 | 59 | 7.47 | 23.79 |
| 07/01/2026 | 7.4 | 0.0 | | 29.2 | 20.6 | 81 | 50 | 8.65 | 29.03 |
| 08/01/2026 | 7.9 | 0.0 | | 29.3 | 20.2 | 82 | 41 | 9.16 | 28.06 |
| 09/01/2026 | 8.6 | 0.0 | | 28.3 | 18.8 | 73 | 34 | 9.39 | 30.06 |
| 10/01/2026 | 11.2 | 0.0 | | 36.6 | 15.9 | 75 | 17 | 7.19 | 30.39 |
| 11/01/2026 | 13.9 | 0.0 | | 40.9 | 22.6 | 75 | 14 | 9.05 | 30.06 |
| 12/01/2026 | 6.4 | 0.0 | | 27.9 | 21.2 | 85 | 59 | 7.70 | 28.73 |
| 13/01/2026 | 7.2 | 0.0 | | 29.4 | 17.9 | 86 | 47 | 7.31 | 29.28 |
| 14/01/2026 | 10.9 | 0.0 | | 36.5 | 14.3 | 93 | 16 | 7.29 | 30.23 |
| 15/01/2026 | 8.9 | 0.0 | | 36.6 | 15.2 | 93 | 21 | 4.35 | 30.25 |
| 16/01/2026 | 6.5 | 0.0 | | 29.3 | 20.3 | 87 | 58 | 5.46 | 29.90 |
| 17/01/2026 | 6.7 | 0.0 | | 27.4 | 20.0 | 81 | 49 | 7.78 | 26.95 |
| 18/01/2026 | 6.9 | 0.0 | | 29.0 | 14.8 | 92 | 46 | 6.79 | 29.97 |
| 19/01/2026 | 10.4 | 0.0 | | 38.2 | 15.2 | 87 | 26 | 6.47 | 29.94 |
| 20/01/2026 | 15.3 | 0.0 | | 47.1 | 17.8 | 89 | 9 | 7.22 | 29.82 |
| 21/01/2026 | 15.3 | 0.0 | | 45.7 | 26.9 | 72 | 6 | 7.87 | 29.76 |
| 22/01/2026 | 11.6 | 0.0 | | 38.6 | 19.1 | 80 | 13 | 6.96 | 29.45 |
| 23/01/2026 | 7.1 | 0.0 | | 27.7 | 20.5 | 77 | 48 | 8.19 | 27.31 |
| 24/01/2026 | 6.4 | 0.0 | | 27.0 | 13.6 | 85 | 46 | 5.98 | 29.17 |
| 25/01/2026 | 4.9 | 0.0 | | 26.5 | 19.8 | 89 | 52 | 4.47 | 20.23 |
| 26/01/2026 | 6.1 | 0.8 | | 26.3 | 18.9 | 91 | 39 | 6.49 | 23.75 |
| 27/01/2026 | 8.3 | 0.2 | | 28.3 | 12.7 | 77 | 33 | 9.57 | 29.27 |
| 28/01/2026 | 10.6 | 0.0 | | 35.0 | 16.2 | 77 | 27 | 8.97 | 29.15 |
| 29/01/2026 | 10.4 | 0.0 | | 41.6 | 17.9 | 72 | 19 | 5.78 | 19.92 |
| 30/01/2026 | 8.4 | 1.8 | | 35.2 | 20.0 | 86 | 30 | 4.91 | 28.99 |
| Totals: | 257.8 | 2.8 | | | | | | | |
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