Evapotranspiration Calculations
St Lawrence - September 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2026 | 4.0 | 0.0 | 26.4 | 12.3 | 93 | 47 | 2.83 | 19.69 | |
| 02/09/2026 | 4.1 | 0.0 | 27.3 | 10.1 | 99 | 35 | 1.99 | 21.62 | |
| 03/09/2026 | 4.0 | 0.0 | 27.9 | 10.2 | 97 | 39 | 1.83 | 21.82 | |
| 04/09/2026 | 4.3 | 0.0 | 28.9 | 10.8 | 97 | 36 | 2.00 | 21.93 | |
| 05/09/2026 | 3.8 | 0.0 | 27.1 | 11.5 | 99 | 55 | 2.05 | 21.99 | |
| 06/09/2026 | 4.3 | 0.0 | 29.5 | 12.3 | 99 | 38 | 1.87 | 22.16 | |
| 07/09/2026 | 5.4 | 0.0 | 31.8 | 12.2 | 100 | 27 | 2.97 | 22.25 | |
| 08/09/2026 | 4.4 | 0.0 | 28.8 | 20.5 | 91 | 49 | 2.55 | 20.41 | |
| 09/09/2026 | 4.3 | 0.0 | 27.1 | 16.5 | 96 | 51 | 2.99 | 21.68 | |
| 10/09/2026 | 3.9 | 0.0 | 27.0 | 13.5 | 98 | 46 | 2.69 | 18.56 | |
| 11/09/2026 | 4.2 | 0.0 | 26.3 | 18.2 | 83 | 46 | 3.39 | 17.17 | |
| 12/09/2026 | 4.0 | 0.0 | 25.9 | 11.0 | 93 | 49 | 3.16 | 19.82 | |
| 13/09/2026 | 4.3 | 0.0 | 27.5 | 12.8 | 96 | 46 | 2.82 | 21.09 | |
| 14/09/2026 | 4.4 | 0.0 | 26.9 | 11.5 | 95 | 45 | 2.90 | 21.91 | |
| 15/09/2026 | 4.8 | 0.0 | 28.2 | 11.3 | 98 | 34 | 2.60 | 23.06 | |
| Totals: | 64.2 | 0.0 |
