Evapotranspiration Calculations
Coffs Harbour Airport - October 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) |
| 01/10/2026 | 5.7 | 0.0 | | 25.9 | 14.3 | 85 | 43 | 6.70 | 23.86 |
| 02/10/2026 | 5.5 | 0.0 | | 25.7 | 15.7 | 81 | 51 | 7.19 | 24.00 |
| 03/10/2026 | 4.6 | 0.0 | | 25.4 | 16.8 | 82 | 60 | 7.18 | 18.23 |
| 04/10/2026 | 4.4 | 0.0 | | 26.0 | 18.3 | 85 | 59 | 7.07 | 15.34 |
| 05/10/2026 | 2.4 | 0.0 | | 24.4 | 17.4 | 97 | 73 | 3.08 | 10.27 |
| 06/10/2026 | 4.7 | 1.6 | | 28.8 | 17.6 | 100 | 53 | 3.50 | 22.35 |
| 07/10/2026 | 2.6 | 0.0 | | 20.7 | 16.2 | 100 | 65 | 7.06 | 9.72 |
| 08/10/2026 | 4.1 | 13.0 | | 21.6 | 14.0 | 95 | 53 | 4.73 | 22.38 |
| 09/10/2026 | 4.5 | 0.0 | | 25.6 | 12.6 | 99 | 59 | 4.12 | 25.04 |
| 10/10/2026 | 3.1 | 0.0 | | 25.6 | 14.0 | 100 | 58 | 3.78 | 11.10 |
| 11/10/2026 | 5.1 | 0.6 | | 28.8 | 15.3 | 97 | 51 | 3.24 | 25.22 |
| 12/10/2026 | 4.9 | 0.2 | | 28.5 | 18.2 | 96 | 63 | 5.53 | 23.23 |
| 13/10/2026 | 2.2 | 2.6 | | 25.6 | 20.9 | 100 | 77 | 4.15 | 8.36 |
| 14/10/2026 | | 40.8 | | | 15.7 | 100 | 80 | 6.64 | 12.36 |
| 15/10/2026 | | | | 20.2 | | 100 | 63 | 3.49 | 15.75 |
| 16/10/2026 | 2.2 | 8.2 | | 18.9 | 13.1 | 100 | 77 | 3.56 | 12.82 |
| 17/10/2026 | 2.7 | 16.2 | | 20.7 | 13.6 | 100 | 63 | 3.19 | 13.88 |
| 18/10/2026 | 3.2 | 17.0 | | 21.3 | 13.7 | 100 | 71 | 3.05 | 19.99 |
| 19/10/2026 | 1.8 | 14.4 | | 18.3 | 14.1 | 100 | 85 | 2.35 | 10.75 |
| 20/10/2026 | 2.9 | 12.0 | | 21.5 | 14.1 | 100 | 70 | 2.73 | 16.68 |
| 21/10/2026 | 2.8 | 40.6 | | 22.8 | 16.4 | 100 | 78 | 3.14 | 16.07 |
| 22/10/2026 | 1.2 | 52.0 | | 19.7 | 17.5 | 100 | 93 | 3.90 | 5.89 |
| 23/10/2026 | 1.9 | 88.4 | | 22.9 | 16.6 | 100 | 88 | 3.65 | 10.45 |
| 24/10/2026 | 4.0 | 31.6 | | 25.2 | 17.1 | 94 | 78 | 6.72 | 23.78 |
| 25/10/2026 | 3.8 | 0.0 | | 27.2 | 20.1 | 95 | 70 | 6.72 | 16.03 |
| 26/10/2026 | 4.6 | 1.4 | | 29.9 | 20.5 | 100 | 60 | 5.43 | 17.83 |
| Totals: | 84.9 | 340.6 | | | | | | | |
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