Evapotranspiration Calculations
Hamilton 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 | 5.0 | 0.0 | | 21.1 | 4.7 | 99 | 48 | 6.19 | 30.08 |
| 02/01/2026 | 7.9 | 0.0 | | 30.8 | 9.6 | 99 | 24 | 5.61 | 29.34 |
| 03/01/2026 | 4.2 | 0.0 | | 23.8 | 10.5 | 100 | 54 | 4.66 | 20.39 |
| 04/01/2026 | 5.6 | 0.0 | | 22.6 | 13.4 | 96 | 37 | 6.16 | 26.91 |
| 05/01/2026 | 6.7 | 0.0 | | 26.7 | 6.8 | 100 | 23 | 4.47 | 30.16 |
| 06/01/2026 | 8.2 | 0.0 | | 33.8 | 10.3 | 96 | 15 | 3.86 | 29.97 |
| 07/01/2026 | 13.0 | 0.0 | | 41.8 | 14.6 | 62 | 9 | 6.59 | 26.88 |
| 08/01/2026 | 7.6 | 0.0 | | 30.6 | 19.8 | 67 | 28 | 5.29 | 23.65 |
| 09/01/2026 | 9.5 | 1.6 | | 36.8 | 16.8 | 78 | 15 | 7.34 | 11.29 |
| 10/01/2026 | 5.3 | 0.0 | | 21.7 | 12.5 | 87 | 39 | 8.23 | 19.83 |
| 11/01/2026 | 5.1 | 0.0 | | 20.5 | 9.0 | 96 | 35 | 5.38 | 26.76 |
| 12/01/2026 | 6.3 | 0.0 | | 25.2 | 6.4 | 95 | 28 | 5.62 | 26.97 |
| 13/01/2026 | 5.1 | 0.0 | | 22.7 | 11.9 | 93 | 48 | 6.36 | 24.74 |
| 14/01/2026 | 6.2 | 0.0 | | 26.5 | 10.3 | 94 | 37 | 6.26 | 25.31 |
| 15/01/2026 | 3.6 | 0.0 | | 23.0 | 12.8 | 96 | 64 | 7.27 | 15.43 |
| 16/01/2026 | 6.2 | 1.4 | | 25.5 | 14.2 | 93 | 38 | 9.42 | 21.44 |
| 17/01/2026 | 7.9 | 0.0 | | 29.4 | 13.9 | 80 | 32 | 8.58 | 24.16 |
| 18/01/2026 | 8.1 | 0.0 | | 31.7 | 13.5 | 91 | 24 | 6.04 | 26.58 |
| 19/01/2026 | 5.8 | 0.0 | | 30.3 | 14.5 | 79 | 30 | 5.26 | 11.51 |
| 20/01/2026 | 7.7 | 0.0 | | 31.3 | 15.9 | 97 | 26 | 5.77 | 26.57 |
| 21/01/2026 | 3.9 | 0.0 | | 22.0 | 14.0 | 99 | 49 | 6.48 | 14.59 |
| 22/01/2026 | 5.9 | 0.0 | | 21.9 | 8.7 | 88 | 28 | 5.89 | 27.27 |
| 23/01/2026 | 7.6 | 0.0 | | 30.3 | 6.3 | 96 | 10 | 4.12 | 27.59 |
| 24/01/2026 | 12.8 | 0.0 | | 41.3 | 10.4 | 73 | 8 | 6.55 | 26.25 |
| 25/01/2026 | 6.5 | 0.0 | | 26.8 | 14.0 | 96 | 32 | 5.80 | 26.74 |
| 26/01/2026 | 10.0 | 0.0 | | 38.1 | 11.2 | 97 | 5 | 4.76 | 27.03 |
| 27/01/2026 | 14.9 | 0.0 | | 45.0 | 17.3 | 66 | 8 | 7.85 | 24.08 |
| 28/01/2026 | 5.4 | 0.0 | | 27.2 | 14.9 | 99 | 36 | 5.53 | 18.56 |
| 29/01/2026 | 5.7 | 0.0 | | 25.8 | 13.4 | 87 | 30 | 6.37 | 15.43 |
| 30/01/2026 | 6.9 | 0.0 | | 34.3 | 16.0 | 88 | 29 | 4.33 | 20.22 |
| Totals: | 214.6 | 3.0 | | | | | | | |
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