Evapotranspiration Calculations
Portland Airport - October 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) |
| 30/09/2026 | 2.7 | 0.0 | | 21.6 | 16.0 | 98 | 54 | 3.59 | 10.66 |
| 01/10/2026 | 1.6 | 8.6 | | 16.3 | 13.2 | 99 | 79 | 2.25 | 8.86 |
| 02/10/2026 | 1.7 | 5.2 | | 15.3 | 8.8 | 99 | 75 | 5.07 | 9.66 |
| 03/10/2026 | 1.5 | 4.8 | | 14.6 | 11.9 | 98 | 81 | 6.71 | 8.88 |
| 04/10/2026 | 2.1 | 0.2 | | 14.0 | 7.7 | 94 | 66 | 2.16 | 14.71 |
| 05/10/2026 | 2.8 | 0.2 | | 16.1 | 6.2 | 94 | 60 | 3.29 | 20.33 |
| 06/10/2026 | 3.3 | 2.2 | | 16.1 | 9.8 | 94 | 55 | 6.71 | 20.34 |
| Totals: | 15.7 | 21.2 | | | | | | | |
Monthly Archive