Evapotranspiration Calculations
Tunnack Fire Station - 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 | 4.9 | 0.2 | 22.1 | 2.4 | 97 | 39 | 2.50 | 30.33 | |
| 02/01/2026 | 4.3 | 0.0 | 21.6 | 9.3 | 93 | 47 | 3.26 | 22.50 | |
| 03/01/2026 | 5.7 | 0.0 | 23.8 | 10.4 | 95 | 30 | 4.41 | 26.75 | |
| 04/01/2026 | 3.9 | 3.4 | 20.5 | 10.2 | 95 | 53 | 2.84 | 21.48 | |
| 05/01/2026 | 6.1 | 0.6 | 27.0 | 11.0 | 96 | 29 | 3.71 | 26.92 | |
| 06/01/2026 | 5.6 | 0.0 | 25.8 | 10.6 | 94 | 33 | 3.42 | 26.03 | |
| 07/01/2026 | 6.7 | 0.0 | 32.1 | 8.4 | 98 | 27 | 2.73 | 29.13 | |
| 08/01/2026 | 7.0 | 0.0 | 27.9 | 13.2 | 95 | 20 | 4.06 | 29.89 | |
| 09/01/2026 | 2.3 | 0.0 | 19.6 | 12.6 | 95 | 64 | 5.20 | 6.21 | |
| 10/01/2026 | 4.2 | 7.2 | 18.4 | 10.3 | 93 | 49 | 8.25 | 21.25 | |
| 11/01/2026 | 4.7 | 1.2 | 18.4 | 4.6 | 87 | 38 | 4.86 | 27.71 | |
| 12/01/2026 | 5.5 | 0.0 | 23.4 | 3.8 | 96 | 28 | 2.98 | 30.11 | |
| 13/01/2026 | 4.3 | 0.0 | 22.5 | 8.9 | 98 | 47 | 2.76 | 23.41 | |
| Totals: | 65.2 | 12.6 |
