Evapotranspiration Calculations
Coffs Harbour 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 | 3.5 | 0.0 | | 26.9 | 17.4 | 97 | 69 | 4.03 | 15.15 |
| 02/01/2026 | 3.3 | 11.8 | | 24.1 | 18.3 | 100 | 64 | 4.40 | 13.81 |
| 03/01/2026 | 4.4 | 0.0 | | 26.7 | 18.2 | 95 | 70 | 3.75 | 22.53 |
| 04/01/2026 | 5.1 | 0.0 | | 28.5 | 21.7 | 98 | 61 | 4.31 | 23.17 |
| 05/01/2026 | 5.0 | 6.2 | | 27.4 | 20.0 | 100 | 65 | 2.80 | 26.07 |
| 06/01/2026 | 5.4 | 0.0 | | 28.0 | 18.3 | 100 | 71 | 3.30 | 29.87 |
| 07/01/2026 | 5.8 | 0.0 | | 28.6 | 18.7 | 100 | 65 | 3.04 | 31.18 |
| 08/01/2026 | 6.4 | 0.0 | | 29.1 | 17.9 | 99 | 52 | 4.92 | 31.38 |
| 09/01/2026 | 6.8 | 0.0 | | 28.8 | 20.8 | 87 | 55 | 6.89 | 30.28 |
| 10/01/2026 | 8.5 | 0.0 | | 32.6 | 21.5 | 90 | 43 | 8.71 | 31.26 |
| 11/01/2026 | 4.0 | 0.0 | | 26.9 | 23.2 | 97 | 71 | 7.05 | 17.61 |
| 12/01/2026 | 4.9 | 0.4 | | 27.0 | 19.8 | 97 | 67 | 6.12 | 24.85 |
| 13/01/2026 | 5.3 | 0.0 | | 28.5 | 20.4 | 91 | 72 | 4.58 | 27.34 |
| 14/01/2026 | 5.8 | 0.0 | | 28.0 | 23.5 | 87 | 61 | 3.78 | 27.16 |
| 15/01/2026 | 4.2 | 2.4 | | 28.3 | 20.5 | 98 | 65 | 3.97 | 18.29 |
| 16/01/2026 | 6.0 | 4.6 | | 31.4 | 21.2 | 97 | 56 | 5.24 | 25.27 |
| 17/01/2026 | 3.2 | 10.0 | | 27.6 | 21.7 | 100 | 77 | 4.57 | 14.36 |
| 18/01/2026 | 3.4 | 9.2 | | 26.2 | 20.1 | 100 | 74 | 5.93 | 16.00 |
| 19/01/2026 | 3.8 | 38.2 | | 26.5 | 19.4 | 100 | 60 | 5.79 | 13.76 |
| 20/01/2026 | 3.9 | 1.4 | | 26.5 | 18.6 | 98 | 61 | 5.59 | 15.47 |
| 21/01/2026 | 5.2 | 4.2 | | 26.3 | 17.6 | 99 | 64 | 3.34 | 28.57 |
| 22/01/2026 | 6.5 | 0.0 | | 31.4 | 18.8 | 99 | 56 | 6.21 | 29.24 |
| 23/01/2026 | 2.4 | 6.8 | | 23.8 | 19.0 | 100 | 71 | 3.92 | 9.64 |
| 24/01/2026 | 4.9 | 6.0 | | 28.6 | 18.9 | 100 | 68 | 5.41 | 24.69 |
| 25/01/2026 | 5.7 | 0.2 | | 29.4 | 21.7 | 95 | 74 | 6.45 | 30.21 |
| 26/01/2026 | 4.4 | 0.0 | | 28.3 | 22.5 | 99 | 68 | 5.79 | 19.50 |
| 27/01/2026 | 4.4 | 0.0 | | 27.5 | 21.8 | 87 | 62 | 4.62 | 16.77 |
| 28/01/2026 | 5.8 | 0.0 | | 27.8 | 20.4 | 93 | 56 | 3.17 | 29.09 |
| 29/01/2026 | 5.7 | 0.0 | | 27.5 | 19.3 | 89 | 60 | 3.96 | 28.53 |
| 30/01/2026 | 4.8 | 0.0 | | 27.9 | 20.7 | 91 | 69 | 3.51 | 23.71 |
| Totals: | 148.5 | 101.4 | | | | | | | |
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