Evapotranspiration Calculations
Merriwa (Roscommon) - October 2025 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 6.2 | 0.0 | 24.7 | 15.5 | 62 | 23 | 5.20 | 22.75 | |
| 02/10/2025 | 5.8 | 0.0 | 24.2 | 2.3 | 87 | 23 | 5.57 | 22.37 | |
| 03/10/2025 | 5.6 | 0.0 | 22.4 | 4.7 | 70 | 26 | 5.64 | 23.59 | |
| 04/10/2025 | 4.5 | 0.0 | 24.9 | 5.1 | 86 | 30 | 2.45 | 23.74 | |
| 05/10/2025 | 5.8 | 0.0 | 29.6 | 2.1 | 97 | 20 | 3.21 | 23.65 | |
| 06/10/2025 | 9.0 | 0.0 | 32.8 | 8.7 | 77 | 14 | 6.70 | 23.21 | |
| 07/10/2025 | 3.4 | 0.0 | 23.9 | 14.9 | 93 | 42 | 3.73 | 10.56 | |
| 08/10/2025 | 7.7 | 0.0 | 33.9 | 10.3 | 90 | 19 | 5.20 | 20.18 | |
| 09/10/2025 | 2.3 | 0.0 | 20.3 | 12.9 | 96 | 42 | 2.75 | 5.63 | |
| 10/10/2025 | 5.6 | 6.4 | 27.9 | 8.0 | 99 | 30 | 3.94 | 23.97 | |
| 11/10/2025 | 6.6 | 0.0 | 29.4 | 9.5 | 96 | 15 | 4.16 | 24.99 | |
| 12/10/2025 | 6.8 | 0.0 | 30.8 | 4.9 | 95 | 20 | 4.91 | 19.35 | |
| 13/10/2025 | 5.3 | 2.0 | 24.4 | 8.7 | 96 | 29 | 4.16 | 25.05 | |
| 14/10/2025 | 5.0 | 0.2 | 26.0 | 5.9 | 98 | 21 | 2.60 | 24.41 | |
| Totals: | 79.6 | 8.6 |
