Evapotranspiration Calculations
Portland Airport - August 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) |
| 31/07/2026 | 1.0 | 8.2 | | 14.0 | 6.2 | 100 | 74 | 2.55 | 10.36 |
| 01/08/2026 | 1.2 | 0.0 | | 13.8 | 3.1 | 100 | 61 | 2.65 | 10.60 |
| 02/08/2026 | 2.0 | 0.2 | | 15.1 | 2.2 | 99 | 45 | 4.47 | 11.46 |
| 03/08/2026 | 1.7 | 9.8 | | 13.3 | 6.3 | 95 | 65 | 8.16 | 9.13 |
| 04/08/2026 | 1.4 | 7.0 | | 13.9 | 8.2 | 94 | 72 | 5.49 | 8.73 |
| 05/08/2026 | 0.9 | 0.4 | | 12.8 | 5.1 | 97 | 79 | 2.46 | 6.58 |
| 06/08/2026 | 0.9 | 2.8 | | 14.1 | 4.2 | 98 | 82 | 3.37 | 6.92 |
| Totals: | 9.1 | 28.4 | | | | | | | |
Monthly Archive