Evapotranspiration Calculations
Blackall 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 | 5.6 | 0.0 | | 33.3 | 17.2 | 75 | 25 | 3.01 | 18.85 |
| 02/04/2026 | 5.4 | 0.0 | | 33.2 | 18.1 | 69 | 23 | 2.70 | 17.74 |
| 03/04/2026 | 6.7 | 0.0 | | 33.6 | 16.7 | 67 | 20 | 3.77 | 21.38 |
| 04/04/2026 | 6.3 | 0.0 | | 32.9 | 13.9 | 68 | 21 | 3.58 | 21.11 |
| 05/04/2026 | 6.6 | 0.0 | | 33.0 | 16.9 | 63 | 19 | 3.78 | 21.16 |
| 06/04/2026 | 5.3 | 0.0 | | 32.6 | 15.2 | 72 | 24 | 2.50 | 20.37 |
| 07/04/2026 | 4.7 | 0.0 | | 34.3 | 15.2 | 74 | 21 | 1.56 | 21.04 |
| 08/04/2026 | 5.1 | 0.0 | | 34.9 | 17.1 | 68 | 18 | 1.89 | 20.62 |
| 09/04/2026 | 4.9 | 0.0 | | 35.1 | 17.4 | 66 | 18 | 1.88 | 18.12 |
| 10/04/2026 | 5.0 | 0.0 | | 35.1 | 16.7 | 68 | 22 | 1.93 | 20.31 |
| 11/04/2026 | 6.2 | 0.0 | | 35.7 | 18.4 | 62 | 18 | 3.01 | 20.31 |
| 12/04/2026 | 6.8 | 0.0 | | 28.4 | 16.6 | 43 | 17 | 4.74 | 20.28 |
| 13/04/2026 | 6.5 | 0.0 | | 28.9 | 11.2 | 48 | 12 | 4.27 | 20.12 |
| 14/04/2026 | 6.2 | 0.0 | | 29.6 | 11.0 | 47 | 12 | 3.77 | 19.96 |
| 15/04/2026 | 5.6 | 0.0 | | 31.9 | 11.0 | 60 | 19 | 2.94 | 19.79 |
| 16/04/2026 | 3.5 | 0.0 | | 28.8 | 17.5 | 87 | 49 | 2.93 | 12.66 |
| 17/04/2026 | 3.0 | 4.0 | | 29.1 | 20.7 | 100 | 54 | 1.60 | 13.51 |
| 18/04/2026 | 4.2 | 0.0 | | 32.4 | 19.5 | 100 | 32 | 2.08 | 17.64 |
| 19/04/2026 | 6.0 | 0.0 | | 32.8 | 16.0 | 47 | 18 | 3.30 | 19.54 |
| 20/04/2026 | 5.5 | 0.0 | | 31.4 | 14.2 | 89 | 19 | 4.01 | 14.51 |
| 21/04/2026 | 4.5 | 0.0 | | 31.1 | 13.6 | 100 | 24 | 2.33 | 19.23 |
| 22/04/2026 | 4.6 | 0.2 | | 30.1 | 12.2 | 70 | 27 | 2.55 | 19.06 |
| 23/04/2026 | 4.9 | 0.0 | | 29.9 | 13.5 | 71 | 22 | 2.92 | 18.36 |
| 24/04/2026 | 5.5 | 0.0 | | 29.1 | 12.3 | 69 | 19 | 3.81 | 18.91 |
| 25/04/2026 | 6.0 | 0.0 | | 29.0 | 13.1 | 52 | 19 | 4.24 | 18.71 |
| 26/04/2026 | 4.9 | 0.0 | | 27.9 | 12.7 | 63 | 16 | 3.18 | 17.09 |
| Totals: | 139.5 | 4.2 | | | | | | | |
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