Evapotranspiration Calculations
Sydney (Observatory Hill) - May 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/05/2026 | 1.5 | 0.2 | 24.7 | 15.6 | 94 | 55 | 0.00 | 11.61 | |
| 02/05/2026 | 1.6 | 0.2 | 24.9 | 17.3 | 93 | 60 | 0.00 | 11.51 | |
| 03/05/2026 | 1.6 | 0.2 | 25.9 | 18.1 | 82 | 50 | 0.00 | 12.75 | |
| 04/05/2026 | 0.9 | 0.0 | 21.8 | 18.2 | 87 | 67 | 0.00 | 4.67 | |
| 05/05/2026 | 1.4 | 1.6 | 23.7 | 14.2 | 83 | 35 | 0.00 | 13.77 | |
| 06/05/2026 | 1.4 | 0.0 | 24.6 | 12.5 | 88 | 50 | 0.00 | 12.20 | |
| 07/05/2026 | 1.1 | 0.0 | 18.7 | 12.2 | 88 | 22 | 0.00 | 12.36 | |
| 08/05/2026 | 1.1 | 0.0 | 21.3 | 9.9 | 64 | 35 | 0.00 | 13.41 | |
| 09/05/2026 | 1.3 | 0.0 | 22.6 | 12.4 | 84 | 42 | 0.00 | 13.29 | |
| 10/05/2026 | 1.3 | 0.0 | 23.7 | 11.5 | 85 | 48 | 0.00 | 13.15 | |
| Totals: | 13.2 | 2.2 |
