Evapotranspiration Calculations
Merriwa (Roscommon) - 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 | 7.9 | 0.0 | 30.6 | 13.6 | 89 | 35 | 6.55 | 30.76 | |
| 02/01/2026 | 6.9 | 0.0 | 29.3 | 14.7 | 82 | 40 | 7.06 | 23.04 | |
| 03/01/2026 | 6.4 | 0.0 | 32.9 | 12.0 | 95 | 36 | 4.02 | 22.35 | |
| 04/01/2026 | 6.4 | 26.2 | 34.2 | 17.2 | 93 | 33 | 4.50 | 18.02 | |
| 05/01/2026 | 6.9 | 2.0 | 34.0 | 13.4 | 97 | 28 | 3.54 | 24.21 | |
| 06/01/2026 | 6.6 | 21.4 | 32.0 | 14.5 | 98 | 37 | 3.03 | 29.11 | |
| 07/01/2026 | 8.0 | 0.0 | 35.4 | 17.2 | 95 | 22 | 3.08 | 31.71 | |
| 08/01/2026 | 7.8 | 0.0 | 37.5 | 16.2 | 91 | 16 | 2.28 | 31.66 | |
| 09/01/2026 | 8.4 | 0.0 | 37.5 | 15.0 | 83 | 20 | 3.04 | 31.61 | |
| Totals: | 65.3 | 49.6 |
