Evapotranspiration Calculations
Richmond Airport - January 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2026 | 2.8 | 35.0 | 28.5 | 23.3 | 98 | 81 | 5.45 | 11.49 | |
| 02/01/2026 | 4.5 | 33.0 | 29.7 | 21.0 | 96 | 73 | 4.49 | 20.69 | |
| 03/01/2026 | 4.6 | 24.2 | 31.9 | 23.7 | 98 | 66 | 4.09 | 18.46 | |
| 04/01/2026 | 2.7 | 50.8 | 27.9 | 22.2 | 97 | 79 | 3.76 | 10.88 | |
| 05/01/2026 | 6.9 | 1.4 | 32.0 | 21.5 | 93 | 57 | 5.83 | 30.34 | |
| 06/01/2026 | 7.6 | 0.0 | 33.9 | 21.7 | 94 | 46 | 5.17 | 30.25 | |
| 07/01/2026 | 8.3 | 0.0 | 35.5 | 23.3 | 88 | 39 | 5.04 | 30.40 | |
| 08/01/2026 | 8.2 | 0.0 | 35.3 | 23.4 | 82 | 43 | 5.34 | 29.28 | |
| 09/01/2026 | 8.4 | 0.0 | 34.9 | 22.8 | 89 | 37 | 5.50 | 30.11 | |
| Totals: | 54.0 | 144.4 |
