Evapotranspiration Calculations
Smithton Aerodrome - 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 | 1.5 | 16.0 | 13.7 | 6.1 | 97 | 80 | 6.94 | 9.27 | |
| 02/10/2025 | 2.1 | 13.6 | 13.7 | 6.5 | 92 | 69 | 8.10 | 13.19 | |
| 03/10/2025 | 3.3 | 5.0 | 14.8 | 9.1 | 93 | 52 | 9.11 | 20.87 | |
| 04/10/2025 | 2.1 | 1.0 | 16.4 | 7.3 | 95 | 74 | 4.04 | 14.12 | |
| 05/10/2025 | 2.4 | 0.0 | 18.7 | 9.0 | 95 | 66 | 7.77 | 8.00 | |
| 06/10/2025 | 2.9 | 5.0 | 12.9 | 8.0 | 91 | 55 | 9.57 | 17.57 | |
| 07/10/2025 | 2.4 | 1.6 | 15.3 | 6.7 | 92 | 70 | 8.48 | 16.11 | |
| 08/10/2025 | 2.3 | 0.6 | 16.1 | 10.3 | 93 | 72 | 8.27 | 13.52 | |
| 09/10/2025 | 2.9 | 5.6 | 15.1 | 8.6 | 90 | 60 | 9.68 | 14.39 | |
| 10/10/2025 | 2.6 | 13.6 | 14.6 | 8.8 | 90 | 67 | 12.46 | 13.61 | |
| 11/10/2025 | 2.5 | 13.0 | 13.1 | 8.2 | 91 | 62 | 7.73 | 15.46 | |
| 12/10/2025 | 1.8 | 1.2 | 12.4 | 6.7 | 93 | 62 | 3.92 | 8.35 | |
| 13/10/2025 | 2.3 | 6.2 | 13.5 | 1.0 | 96 | 57 | 3.35 | 15.38 | |
| 14/10/2025 | 2.6 | 5.8 | 15.3 | 6.5 | 93 | 65 | 7.95 | 15.85 | |
| Totals: | 33.7 | 88.2 |
