Evapotranspiration Calculations
Toowoomba Airport - April 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) |
| 01/04/2026 | 4.9 | 1.4 | | 26.4 | 15.8 | 98 | 49 | 7.18 | 20.78 |
| 02/04/2026 | 5.0 | 0.0 | | 25.8 | 15.4 | 98 | 47 | 7.47 | 21.02 |
| 03/04/2026 | 4.4 | 0.0 | | 25.6 | 15.5 | 97 | 56 | 7.10 | 20.39 |
| 04/04/2026 | 4.9 | 0.0 | | 25.7 | 16.3 | 97 | 48 | 7.66 | 20.79 |
| 05/04/2026 | 4.3 | 0.0 | | 24.3 | 15.2 | 95 | 55 | 7.23 | 20.49 |
| 06/04/2026 | 4.7 | 0.0 | | 25.0 | 13.7 | 95 | 46 | 6.22 | 20.48 |
| 07/04/2026 | 4.9 | 0.0 | | 29.3 | 14.1 | 98 | 33 | 3.70 | 19.59 |
| 08/04/2026 | 5.1 | 0.0 | | 31.5 | 14.9 | 93 | 27 | 3.18 | 19.15 |
| 09/04/2026 | 5.0 | 0.0 | | 29.9 | 16.8 | 100 | 44 | 4.89 | 19.96 |
| 10/04/2026 | 4.6 | 0.0 | | 29.3 | 16.5 | 100 | 46 | 4.01 | 19.89 |
| 11/04/2026 | 5.4 | 0.0 | | 30.7 | 15.4 | 100 | 30 | 4.49 | 19.21 |
| 12/04/2026 | 6.1 | 0.0 | | 24.6 | 12.3 | 55 | 23 | 5.91 | 19.59 |
| 13/04/2026 | 5.4 | 0.0 | | 24.9 | 8.8 | 55 | 14 | 4.00 | 19.43 |
| 14/04/2026 | 3.7 | 0.0 | | 24.0 | 12.2 | 96 | 47 | 3.98 | 18.24 |
| 15/04/2026 | 3.8 | 0.0 | | 26.3 | 12.9 | 97 | 36 | 3.10 | 16.34 |
| 16/04/2026 | 4.0 | 0.0 | | 27.4 | 12.8 | 100 | 35 | 2.95 | 17.28 |
| 17/04/2026 | 4.5 | 0.0 | | 28.4 | 13.5 | 94 | 35 | 3.86 | 16.82 |
| 18/04/2026 | 5.5 | 0.0 | | 28.2 | 14.3 | 97 | 17 | 4.75 | 18.69 |
| 19/04/2026 | 4.8 | 0.0 | | 25.9 | 13.3 | 97 | 26 | 4.78 | 18.37 |
| 20/04/2026 | 4.5 | 0.0 | | 24.3 | 12.7 | 90 | 34 | 5.05 | 17.48 |
| 21/04/2026 | 4.3 | 0.0 | | 23.5 | 10.8 | 96 | 29 | 4.74 | 18.11 |
| 22/04/2026 | 3.9 | 0.0 | | 22.8 | 10.0 | 95 | 42 | 5.25 | 17.19 |
| 23/04/2026 | 3.8 | 0.0 | | 22.3 | 10.9 | 93 | 45 | 5.29 | 17.77 |
| 24/04/2026 | 3.5 | 0.0 | | 22.9 | 10.3 | 92 | 46 | 4.52 | 14.70 |
| 25/04/2026 | 4.0 | 1.0 | | 21.6 | 12.2 | 89 | 43 | 6.39 | 16.43 |
| 26/04/2026 | 2.7 | 0.2 | | 20.7 | 9.4 | 97 | 61 | 4.88 | 13.62 |
| Totals: | 117.7 | 2.6 | | | | | | | |
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