Evapotranspiration Calculations
Blackwater Airport - October 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) |
| 01/10/2026 | 6.8 | 0.0 | | 29.2 | 11.5 | 79 | 22 | 4.69 | 25.33 |
| 02/10/2026 | 7.0 | 0.0 | | 30.2 | 12.4 | 80 | 18 | 4.28 | 25.53 |
| 03/10/2026 | 7.1 | 0.0 | | 31.7 | 12.7 | 83 | 15 | 3.96 | 25.64 |
| 04/10/2026 | 6.9 | 0.0 | | 32.0 | 13.7 | 89 | 21 | 3.81 | 25.74 |
| 05/10/2026 | 7.2 | 0.0 | | 33.0 | 15.3 | 87 | 22 | 4.09 | 25.75 |
| 06/10/2026 | 7.7 | 0.0 | | 33.7 | 15.4 | 93 | 25 | 5.05 | 25.90 |
| 07/10/2026 | 6.9 | 13.2 | | 33.0 | 18.2 | 95 | 27 | 4.34 | 24.14 |
| 08/10/2026 | 6.1 | 0.6 | | 31.1 | 17.1 | 88 | 35 | 4.88 | 19.63 |
| 09/10/2026 | 6.8 | 0.0 | | 31.8 | 18.4 | 85 | 27 | 4.77 | 22.14 |
| 10/10/2026 | 4.3 | 0.0 | | 29.2 | 17.3 | 92 | 37 | 3.32 | 13.45 |
| 11/10/2026 | 7.1 | 0.0 | | 34.4 | 17.6 | 93 | 25 | 3.74 | 25.89 |
| 12/10/2026 | 7.6 | 0.0 | | 34.7 | 19.5 | 86 | 26 | 4.55 | 25.32 |
| 13/10/2026 | 6.9 | 0.0 | | 35.3 | 19.1 | 92 | 26 | 3.39 | 24.22 |
| 14/10/2026 | 5.4 | 0.0 | | 33.6 | 19.8 | 89 | 36 | 2.87 | 18.64 |
| 15/10/2026 | 3.4 | 0.0 | | 22.6 | 21.1 | 93 | 52 | 7.02 | 7.65 |
| 16/10/2026 | 4.5 | 5.0 | | 25.6 | 18.0 | 88 | 49 | 5.90 | 14.33 |
| 17/10/2026 | 4.1 | 0.0 | | 24.2 | 17.3 | 86 | 52 | 6.70 | 11.10 |
| 18/10/2026 | 4.3 | 0.0 | | 24.6 | 17.5 | 86 | 54 | 6.47 | 13.91 |
| 19/10/2026 | 6.1 | 0.4 | | 29.5 | 17.1 | 86 | 42 | 5.33 | 22.29 |
| 20/10/2026 | 6.8 | 0.0 | | 31.1 | 18.6 | 86 | 33 | 5.25 | 23.29 |
| 21/10/2026 | 6.4 | 0.0 | | 31.5 | 19.0 | 87 | 34 | 4.99 | 20.56 |
| 22/10/2026 | 6.8 | 0.4 | | 33.5 | 19.2 | 90 | 33 | 4.55 | 22.19 |
| 23/10/2026 | 3.5 | 36.2 | | 25.2 | 20.3 | 96 | 66 | 5.04 | 14.83 |
| 24/10/2026 | 2.8 | 16.4 | | 26.4 | 19.6 | 97 | 71 | 4.45 | 10.41 |
| 25/10/2026 | 5.8 | 24.2 | | 32.1 | 20.1 | 97 | 46 | 4.14 | 22.71 |
| 26/10/2026 | 5.9 | 0.0 | | 33.2 | 21.2 | 91 | 40 | 3.12 | 22.41 |
| Totals: | 154.2 | 96.4 | | | | | | | |
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