Evapotranspiration Calculations
Smithton Aerodrome - December 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/12/2025 | 4.0 | 0.4 | 17.4 | 5.9 | 96 | 52 | 5.96 | 25.49 | |
| 02/12/2025 | 2.9 | 0.6 | 15.7 | 8.1 | 93 | 58 | 5.64 | 15.73 | |
| 03/12/2025 | 3.8 | 0.4 | 19.3 | 12.0 | 93 | 60 | 5.65 | 20.96 | |
| 04/12/2025 | 4.7 | 0.0 | 22.5 | 11.7 | 94 | 54 | 5.74 | 24.78 | |
| 05/12/2025 | 4.8 | 0.0 | 19.3 | 6.3 | 93 | 42 | 3.62 | 30.73 | |
| 06/12/2025 | 2.7 | 0.0 | 17.2 | 8.4 | 93 | 67 | 5.97 | 13.80 | |
| 07/12/2025 | 4.1 | 6.0 | 16.6 | 5.0 | 93 | 48 | 6.40 | 27.02 | |
| 08/12/2025 | 1.7 | 5.0 | 15.7 | 9.7 | 96 | 77 | 8.47 | 6.06 | |
| 09/12/2025 | 4.7 | 9.8 | 17.3 | 9.3 | 90 | 47 | 6.88 | 30.22 | |
| 10/12/2025 | 4.5 | 0.0 | 18.6 | 3.9 | 96 | 50 | 4.82 | 30.68 | |
| 11/12/2025 | 4.7 | 0.0 | 19.1 | 3.8 | 96 | 46 | 4.08 | 31.97 | |
| 12/12/2025 | 4.5 | 0.0 | 21.3 | 12.8 | 90 | 65 | 8.65 | 27.22 | |
| 13/12/2025 | 6.3 | 0.0 | 26.2 | 11.3 | 96 | 33 | 4.51 | 29.54 | |
| 14/12/2025 | 3.8 | 2.0 | 14.9 | 11.6 | 91 | 56 | 10.82 | 24.36 | |
| 15/12/2025 | 4.2 | 4.6 | 15.9 | 8.1 | 85 | 48 | 9.01 | 23.23 | |
| 16/12/2025 | 4.1 | 0.0 | 18.9 | 9.2 | 93 | 57 | 5.93 | 24.65 | |
| 17/12/2025 | 4.6 | 0.2 | 20.2 | 4.8 | 96 | 53 | 3.10 | 31.71 | |
| 18/12/2025 | 3.8 | 0.0 | 24.6 | 8.5 | 97 | 46 | 2.45 | 17.76 | |
| Totals: | 73.9 | 29.0 |
