Evapotranspiration Calculations
Narrabri 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 | 4.6 | 0.0 | | 31.3 | 13.0 | 84 | 27 | 2.14 | 19.71 |
| 02/04/2026 | 4.2 | 0.0 | | 31.0 | 13.2 | 85 | 28 | 1.80 | 19.56 |
| 03/04/2026 | 5.5 | 0.0 | | 31.7 | 11.9 | 80 | 24 | 3.29 | 20.10 |
| 04/04/2026 | 6.1 | 0.0 | | 30.5 | 17.5 | 79 | 33 | 5.30 | 19.88 |
| 05/04/2026 | 5.9 | 0.0 | | 29.2 | 15.3 | 79 | 32 | 5.21 | 19.72 |
| 06/04/2026 | 4.5 | 0.0 | | 29.9 | 12.2 | 82 | 34 | 2.88 | 17.50 |
| 07/04/2026 | 5.1 | 0.0 | | 33.4 | 14.1 | 86 | 23 | 2.53 | 19.40 |
| 08/04/2026 | 5.3 | 0.0 | | 33.8 | 13.5 | 79 | 24 | 2.74 | 19.23 |
| 09/04/2026 | 4.9 | 0.0 | | 35.1 | 14.5 | 67 | 22 | 2.03 | 19.07 |
| 10/04/2026 | 7.5 | 0.0 | | 35.3 | 17.0 | 62 | 25 | 5.38 | 18.26 |
| 11/04/2026 | 6.6 | 0.0 | | 29.4 | 22.3 | 55 | 20 | 4.86 | 18.22 |
| 12/04/2026 | 4.4 | 0.0 | | 23.0 | 7.2 | 73 | 24 | 3.75 | 18.55 |
| 13/04/2026 | 4.2 | 0.0 | | 24.9 | 5.8 | 75 | 25 | 3.12 | 18.39 |
| 14/04/2026 | 4.7 | 0.0 | | 27.4 | 8.4 | 73 | 15 | 2.92 | 18.22 |
| 15/04/2026 | 3.9 | 0.0 | | 28.1 | 6.4 | 67 | 18 | 1.90 | 18.05 |
| 16/04/2026 | 4.1 | 0.0 | | 29.3 | 7.5 | 69 | 19 | 2.05 | 17.89 |
| 17/04/2026 | 4.9 | 0.0 | | 30.8 | 8.7 | 75 | 16 | 2.83 | 17.72 |
| 18/04/2026 | 5.0 | 0.0 | | 26.4 | 12.0 | 66 | 15 | 3.62 | 17.55 |
| 19/04/2026 | | 0.0 | | | 6.3 | 65 | 14 | 2.43 | 17.40 |
| 22/04/2026 | | | | | | | | | 16.92 |
| 23/04/2026 | | | | | | | | | 16.80 |
| 24/04/2026 | | | | 26.6 | | 69 | 33 | 5.28 | 16.64 |
| 25/04/2026 | 4.7 | 0.0 | | 27.5 | 13.3 | 78 | 32 | 4.35 | 16.27 |
| 26/04/2026 | 3.7 | 0.0 | | 26.5 | 8.9 | 82 | 22 | 2.40 | 16.36 |
| Totals: | 99.8 | 0.0 | | | | | | | |
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