Evapotranspiration Calculations
Blackwater Airport - September 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) |
| 01/09/2026 | 5.5 | 0.0 | | 27.6 | 12.6 | 81 | 22 | 4.07 | 20.96 |
| 02/09/2026 | 5.0 | 0.0 | | 29.2 | 11.8 | 94 | 23 | 2.83 | 21.16 |
| 03/09/2026 | 5.2 | 0.0 | | 31.3 | 10.2 | 87 | 20 | 2.59 | 21.35 |
| 04/09/2026 | 5.8 | 0.0 | | 33.6 | 10.7 | 72 | 15 | 2.69 | 21.48 |
| 05/09/2026 | 6.1 | 0.0 | | 33.1 | 13.0 | 75 | 17 | 3.12 | 21.58 |
| 06/09/2026 | 5.7 | 0.0 | | 33.7 | 11.0 | 91 | 16 | 2.58 | 21.69 |
| 07/09/2026 | 6.5 | 0.0 | | 35.6 | 14.1 | 69 | 13 | 2.96 | 21.54 |
| 08/09/2026 | 5.9 | 0.0 | | 31.5 | 12.3 | 93 | 14 | 3.19 | 21.94 |
| 09/09/2026 | 5.5 | 0.0 | | 29.0 | 17.4 | 82 | 27 | 3.81 | 20.35 |
| 10/09/2026 | 5.6 | 0.0 | | 29.0 | 14.4 | 90 | 31 | 4.91 | 18.84 |
| 11/09/2026 | 6.2 | 0.0 | | 27.9 | 14.6 | 73 | 25 | 4.89 | 22.07 |
| 12/09/2026 | 5.6 | 0.0 | | 28.2 | 10.9 | 79 | 26 | 4.09 | 19.99 |
| 13/09/2026 | 5.9 | 0.0 | | 28.9 | 10.8 | 85 | 21 | 3.93 | 22.14 |
| 14/09/2026 | 6.6 | 0.0 | | 29.3 | 14.4 | 80 | 17 | 4.60 | 22.49 |
| 15/09/2026 | 6.0 | 0.0 | | 30.7 | 11.2 | 89 | 16 | 3.29 | 22.70 |
| Totals: | 87.1 | 0.0 | | | | | | | |
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