Evapotranspiration Calculations
Portland Airport - March 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) |
| 01/03/2026 | 1.9 | 3.0 | | 23.3 | 18.4 | 100 | 84 | 4.68 | 9.28 |
| 02/03/2026 | 2.2 | 4.4 | | 18.3 | 15.8 | 100 | 69 | 4.13 | 10.84 |
| 03/03/2026 | 3.6 | 0.0 | | 19.6 | 11.0 | 92 | 56 | 3.32 | 22.99 |
| 04/03/2026 | 3.3 | 0.0 | | 20.7 | 6.5 | 100 | 59 | 2.19 | 22.99 |
| 05/03/2026 | 3.9 | 0.2 | | 22.3 | 11.1 | 100 | 57 | 5.45 | 22.48 |
| 06/03/2026 | 3.4 | 0.0 | | 22.2 | 13.0 | 100 | 58 | 3.29 | 19.11 |
| 07/03/2026 | 3.7 | 0.0 | | 20.3 | 11.0 | 100 | 40 | 3.86 | 18.94 |
| 08/03/2026 | 3.5 | 0.0 | | 19.5 | 14.1 | 90 | 51 | 5.46 | 15.39 |
| 09/03/2026 | 3.0 | 0.0 | | 22.3 | 8.6 | 100 | 64 | 2.66 | 18.01 |
| 10/03/2026 | 3.3 | 0.0 | | 23.0 | 7.5 | 100 | 60 | 1.79 | 21.28 |
| 11/03/2026 | 2.8 | 0.0 | | 18.5 | 14.1 | 98 | 50 | 6.55 | 7.82 |
| 12/03/2026 | 3.1 | 6.0 | | 17.4 | 11.7 | 88 | 45 | 5.43 | 10.74 |
| Totals: | 37.7 | 13.6 | | | | | | | |
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