Evapotranspiration Calculations
Cooranbong (Lake Macquarie) - 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 | 1.9 | 0.0 | | 21.1 | 14.1 | 97 | 65 | 0.70 | 8.52 |
| 02/01/2026 | 2.8 | 9.6 | | 22.7 | 16.2 | 96 | 63 | 1.15 | 13.90 |
| 03/01/2026 | 4.3 | 0.2 | | 25.8 | 15.0 | 98 | 65 | 1.63 | 23.51 |
| 04/01/2026 | 5.4 | 1.6 | | 33.0 | 17.8 | 96 | 41 | 1.68 | 23.83 |
| 05/01/2026 | 4.9 | 16.4 | | 27.9 | 15.1 | 100 | 61 | 1.04 | 26.93 |
| 06/01/2026 | 5.4 | 0.0 | | 28.7 | 16.7 | 100 | 57 | 1.12 | 28.66 |
| 07/01/2026 | 5.9 | 0.0 | | 30.4 | 17.9 | 100 | 62 | 1.26 | 30.73 |
| 08/01/2026 | 6.3 | 0.0 | | 33.3 | 15.7 | 100 | 43 | 1.22 | 31.53 |
| 09/01/2026 | 6.4 | 0.0 | | 34.3 | 14.9 | 100 | 35 | 1.24 | 31.47 |
| 10/01/2026 | 8.0 | 0.0 | | 40.1 | 17.9 | 96 | 21 | 2.16 | 31.42 |
| 11/01/2026 | 1.2 | 0.0 | | 22.2 | 21.7 | 97 | 66 | 1.58 | 1.88 |
| 12/01/2026 | 2.2 | 43.4 | | 23.1 | 16.6 | 97 | 75 | 0.82 | 10.21 |
| 13/01/2026 | 4.8 | 3.4 | | 27.0 | 19.1 | 99 | 65 | 1.16 | 25.80 |
| 14/01/2026 | 3.2 | 0.2 | | 25.5 | 18.3 | 99 | 66 | 1.22 | 15.55 |
| 15/01/2026 | 4.8 | 4.0 | | 28.0 | 18.9 | 98 | 61 | 1.79 | 24.33 |
| 16/01/2026 | 3.6 | 9.0 | | 26.8 | 20.0 | 93 | 69 | 1.32 | 17.20 |
| 17/01/2026 | 3.2 | 0.0 | | 26.6 | 17.3 | 100 | 70 | 1.91 | 15.55 |
| 18/01/2026 | 2.0 | 80.6 | | 23.7 | 17.3 | 100 | 77 | 1.95 | 8.48 |
| 19/01/2026 | 3.7 | 34.2 | | 25.4 | 16.7 | 100 | 57 | 1.02 | 19.05 |
| 20/01/2026 | 4.5 | 1.4 | | 25.8 | 14.7 | 100 | 51 | 1.05 | 24.73 |
| 21/01/2026 | 4.9 | 0.0 | | 25.9 | 14.6 | 100 | 52 | 0.93 | 28.36 |
| 22/01/2026 | 3.6 | 0.2 | | 27.4 | 15.3 | 100 | 62 | 1.50 | 17.81 |
| 23/01/2026 | 3.8 | 0.2 | | 24.7 | 15.7 | 96 | 49 | 1.02 | 19.92 |
| 24/01/2026 | 5.3 | 0.0 | | 27.5 | 15.0 | 99 | 64 | 1.20 | 30.16 |
| 25/01/2026 | 5.9 | 0.0 | | 34.1 | 16.5 | 100 | 54 | 0.85 | 30.20 |
| 26/01/2026 | 3.3 | 0.0 | | 26.3 | 21.7 | 91 | 64 | 1.77 | 14.48 |
| 27/01/2026 | 4.8 | 0.0 | | 26.0 | 15.2 | 97 | 58 | 1.31 | 26.97 |
| 28/01/2026 | 5.3 | 0.0 | | 28.7 | 13.1 | 100 | 56 | 1.38 | 29.90 |
| 29/01/2026 | 5.1 | 0.0 | | 27.9 | 17.9 | 98 | 55 | 1.13 | 27.74 |
| 30/01/2026 | 5.1 | 0.0 | | 28.4 | 17.4 | 98 | 61 | 1.15 | 27.81 |
| Totals: | 131.6 | 204.4 | | | | | | | |
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