Evapotranspiration Calculations
Griffith 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 | 7.9 | 0.0 | | 33.6 | 10.6 | 75 | 21 | 3.15 | 31.91 |
| 02/01/2026 | 10.2 | 0.0 | | 34.8 | 17.5 | 62 | 20 | 5.99 | 31.62 |
| 03/01/2026 | 9.0 | 0.0 | | 35.5 | 21.3 | 59 | 22 | 4.52 | 28.00 |
| 04/01/2026 | 8.9 | 0.0 | | 37.8 | 23.1 | 57 | 13 | 4.26 | 21.41 |
| 05/01/2026 | 9.9 | 1.0 | | 36.3 | 20.7 | 65 | 12 | 4.49 | 31.59 |
| 06/01/2026 | 7.7 | 0.0 | | 37.7 | 14.4 | 60 | 11 | 2.01 | 31.79 |
| 07/01/2026 | 10.6 | 0.0 | | 42.1 | 20.1 | 40 | 11 | 3.74 | 31.68 |
| 08/01/2026 | 13.5 | 0.0 | | 44.1 | 28.8 | 28 | 12 | 5.75 | 31.59 |
| 09/01/2026 | 14.6 | 0.0 | | 42.9 | 24.8 | 32 | 9 | 7.10 | 31.41 |
| 10/01/2026 | 10.3 | 0.0 | | 32.8 | 23.6 | 37 | 15 | 5.60 | 29.84 |
| 11/01/2026 | 9.2 | 0.0 | | 30.1 | 15.6 | 60 | 13 | 5.68 | 31.14 |
| 12/01/2026 | 9.6 | 0.0 | | 34.6 | 17.0 | 66 | 20 | 5.35 | 31.18 |
| 13/01/2026 | 9.1 | 0.0 | | 37.2 | 20.5 | 65 | 18 | 3.74 | 30.80 |
| 14/01/2026 | 10.3 | 0.0 | | 38.5 | 21.1 | 56 | 12 | 4.41 | 30.85 |
| 15/01/2026 | 9.8 | 0.0 | | 37.2 | 17.1 | 50 | 14 | 4.48 | 28.78 |
| 16/01/2026 | 9.3 | 0.0 | | 33.7 | 18.7 | 69 | 20 | 5.57 | 29.78 |
| 17/01/2026 | 11.0 | 0.0 | | 31.6 | 19.9 | 56 | 28 | 10.81 | 30.29 |
| 18/01/2026 | 10.2 | 0.0 | | 31.4 | 18.4 | 59 | 30 | 10.12 | 28.30 |
| 19/01/2026 | 10.3 | 0.0 | | 35.3 | 17.6 | 65 | 21 | 6.44 | 30.00 |
| 20/01/2026 | 7.6 | 0.0 | | 32.2 | 21.5 | 56 | 30 | 5.27 | 19.62 |
| 21/01/2026 | 9.3 | 0.0 | | 35.3 | 18.6 | 69 | 21 | 5.56 | 26.70 |
| 22/01/2026 | 8.8 | 0.0 | | 29.2 | 14.8 | 70 | 13 | 6.01 | 30.12 |
| 23/01/2026 | 8.5 | 0.0 | | 34.1 | 14.8 | 67 | 15 | 3.82 | 30.09 |
| 24/01/2026 | 10.2 | 0.0 | | 38.9 | 17.7 | 46 | 7 | 4.16 | 29.98 |
| 25/01/2026 | 11.5 | 0.0 | | 45.4 | 19.8 | 29 | 8 | 4.13 | 28.03 |
| 26/01/2026 | 9.8 | 0.0 | | 44.0 | 21.4 | 45 | 9 | 3.09 | 29.70 |
| 27/01/2026 | 11.6 | 0.0 | | 43.8 | 23.1 | 50 | 11 | 4.66 | 29.55 |
| 28/01/2026 | 11.9 | 0.0 | | 46.7 | 26.5 | 36 | 10 | 4.33 | 29.38 |
| 29/01/2026 | 12.2 | 0.0 | | 44.0 | 26.1 | 45 | 8 | 5.11 | 29.15 |
| 30/01/2026 | 12.7 | 0.0 | | 46.6 | 26.4 | 47 | 10 | 5.17 | 28.60 |
| Totals: | 305.5 | 1.0 | | | | | | | |
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