Evapotranspiration Calculations
Sydney (Observatory Hill) - November 2025 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/11/2025 | 2.1 | 11.4 | 22.7 | 16.4 | 95 | 71 | 0.00 | 10.93 | |
| 02/11/2025 | 2.8 | 1.0 | 25.0 | 18.1 | 94 | 65 | 0.00 | 14.74 | |
| 03/11/2025 | 3.9 | 0.0 | 25.2 | 17.9 | 97 | 65 | 0.00 | 22.12 | |
| 04/11/2025 | 3.6 | 8.4 | 23.0 | 17.3 | 71 | 27 | 0.00 | 22.71 | |
| 05/11/2025 | 4.3 | 0.0 | 27.1 | 13.9 | 79 | 22 | 0.00 | 28.55 | |
| 06/11/2025 | 4.4 | 0.0 | 25.2 | 13.6 | 90 | 32 | 0.00 | 28.66 | |
| 07/11/2025 | 3.5 | 0.0 | 24.7 | 18.2 | 84 | 63 | 0.00 | 19.28 | |
| 08/11/2025 | 3.5 | 0.0 | 30.3 | 20.0 | 85 | 32 | 0.00 | 19.04 | |
| 09/11/2025 | 4.3 | 0.4 | 22.2 | 16.2 | 76 | 43 | 0.00 | 27.18 | |
| 10/11/2025 | 4.4 | 0.0 | 23.6 | 14.7 | 77 | 46 | 0.00 | 28.38 | |
| 11/11/2025 | 4.2 | 0.0 | 28.7 | 14.5 | 87 | 16 | 0.00 | 26.52 | |
| 12/11/2025 | 4.2 | 0.0 | 22.2 | 11.4 | 63 | 30 | 0.00 | 29.44 | |
| 13/11/2025 | 4.1 | 0.0 | 26.3 | 12.7 | 79 | 30 | 0.00 | 26.52 | |
| 14/11/2025 | 4.3 | 0.0 | 24.5 | 17.3 | 81 | 55 | 0.00 | 25.05 | |
| 15/11/2025 | 2.8 | 0.0 | 25.2 | 18.9 | 89 | 65 | 0.00 | 14.64 | |
| 16/11/2025 | 4.7 | 0.4 | 31.5 | 19.5 | 91 | 19 | 0.00 | 26.97 | |
| 17/11/2025 | 3.3 | 0.0 | 23.7 | 18.4 | 60 | 26 | 0.00 | 19.52 | |
| 18/11/2025 | 4.8 | 0.0 | 26.7 | 14.4 | 82 | 32 | 0.00 | 30.11 | |
| 19/11/2025 | 5.1 | 0.0 | 29.3 | 16.0 | 89 | 35 | 0.00 | 30.20 | |
| 20/11/2025 | 3.4 | 0.0 | 25.5 | 18.5 | 90 | 59 | 0.00 | 18.60 | |
| 21/11/2025 | 1.3 | 2.6 | 20.8 | 15.6 | 95 | 75 | 0.00 | 5.34 | |
| 22/11/2025 | 1.9 | 4.8 | 22.4 | 15.9 | 97 | 72 | 0.00 | 9.48 | |
| 23/11/2025 | 4.8 | 11.2 | 28.2 | 18.3 | 98 | 56 | 0.00 | 26.42 | |
| 24/11/2025 | 4.5 | 0.0 | 25.6 | 17.7 | 89 | 57 | 0.00 | 25.91 | |
| 25/11/2025 | 4.3 | 0.0 | 28.9 | 17.2 | 84 | 41 | 0.00 | 24.00 | |
| Totals: | 94.5 | 40.2 |
