Evapotranspiration Calculations
Gunnedah Airport - 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 | 9.7 | 0.0 | 35.8 | 15.1 | 76 | 21 | 5.73 | 29.22 | |
| 02/01/2026 | 7.5 | 0.0 | 35.0 | 16.7 | 93 | 30 | 4.99 | 21.75 | |
| 03/01/2026 | 7.5 | 11.2 | 34.2 | 17.0 | 90 | 38 | 4.23 | 28.79 | |
| 04/01/2026 | 8.1 | 0.0 | 35.1 | 18.9 | 91 | 30 | 5.30 | 25.80 | |
| 05/01/2026 | 7.4 | 4.8 | 34.3 | 16.2 | 96 | 29 | 4.24 | 25.18 | |
| 06/01/2026 | 8.2 | 0.0 | 35.4 | 16.1 | 88 | 21 | 3.40 | 31.47 | |
| 07/01/2026 | 9.0 | 0.0 | 37.8 | 19.3 | 80 | 18 | 3.61 | 31.44 | |
| 08/01/2026 | 8.0 | 0.0 | 37.5 | 16.8 | 82 | 17 | 2.45 | 31.40 | |
| 09/01/2026 | 8.0 | 0.0 | 37.7 | 15.9 | 82 | 13 | 2.45 | 31.27 | |
| 10/01/2026 | 8.6 | 0.0 | 36.6 | 17.6 | 75 | 22 | 3.48 | 31.15 | |
| 11/01/2026 | 9.9 | 0.0 | 39.2 | 16.7 | 92 | 26 | 5.91 | 28.02 | |
| 12/01/2026 | 8.3 | 6.8 | 34.3 | 17.9 | 95 | 37 | 6.00 | 30.52 | |
| 13/01/2026 | 8.7 | 0.0 | 37.2 | 17.6 | 88 | 28 | 4.13 | 30.70 | |
| 14/01/2026 | 8.9 | 0.0 | 38.2 | 22.8 | 93 | 29 | 5.30 | 27.06 | |
| 15/01/2026 | 7.5 | 10.2 | 36.3 | 20.6 | 93 | 35 | 4.72 | 23.35 | |
| 16/01/2026 | 8.6 | 0.0 | 37.6 | 19.1 | 90 | 20 | 4.20 | 26.70 | |
| 17/01/2026 | 10.0 | 0.0 | 35.5 | 20.0 | 76 | 30 | 7.42 | 30.36 | |
| 18/01/2026 | 9.4 | 1.0 | 34.4 | 18.7 | 87 | 32 | 8.04 | 29.26 | |
| 19/01/2026 | 9.1 | 0.0 | 33.4 | 17.1 | 77 | 28 | 6.60 | 29.64 | |
| 20/01/2026 | 8.0 | 0.0 | 31.6 | 14.9 | 83 | 24 | 4.65 | 30.41 | |
| 21/01/2026 | 7.5 | 0.0 | 32.9 | 14.1 | 85 | 26 | 3.61 | 30.02 | |
| 22/01/2026 | 9.9 | 0.0 | 38.5 | 14.4 | 85 | 16 | 5.00 | 28.39 | |
| 23/01/2026 | 10.4 | 0.0 | 37.8 | 16.9 | 74 | 24 | 6.26 | 29.91 | |
| 24/01/2026 | 8.8 | 0.0 | 39.2 | 18.2 | 78 | 21 | 3.60 | 29.17 | |
| 25/01/2026 | 9.1 | 0.0 | 42.5 | 21.5 | 77 | 10 | 2.87 | 29.74 | |
| 26/01/2026 | 11.6 | 0.0 | 44.5 | 19.4 | 63 | 12 | 4.81 | 28.65 | |
| 27/01/2026 | 0.0 | 19.7 | 70 | 16 | 6.00 | 29.43 | |||
| 28/01/2026 | 75 | 12 | 4.58 | 29.28 | |||||
| 29/01/2026 | 39.7 | 76 | 15 | 4.69 | 29.06 | ||||
| 30/01/2026 | 7.0 | 0.0 | 36.7 | 19.1 | 78 | 15 | 3.05 | 20.77 | |
| Totals: | 234.7 | 34.0 |
