Evapotranspiration Calculations
Katanning - 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 | 2.6 | 0.2 | | 15.9 | 5.4 | 95 | 46 | 2.52 | 15.24 |
| 02/10/2026 | 3.4 | 0.0 | | 20.1 | 3.8 | 98 | 37 | 1.43 | 23.20 |
| 03/10/2026 | 3.9 | 0.0 | | 22.9 | 5.4 | 98 | 26 | 1.67 | 23.37 |
| 04/10/2026 | 3.9 | 0.0 | | 21.5 | 6.3 | 98 | 43 | 2.86 | 23.22 |
| 05/10/2026 | 4.0 | 0.0 | | 22.0 | 10.1 | 97 | 45 | 4.40 | 19.46 |
| 06/10/2026 | 4.6 | 0.0 | | 26.1 | 11.3 | 92 | 33 | 3.18 | 20.12 |
| 07/10/2026 | 3.9 | 0.0 | | 23.2 | 8.5 | 99 | 43 | 3.45 | 18.36 |
| 08/10/2026 | 3.5 | 1.6 | | 16.9 | 12.0 | 94 | 48 | 6.92 | 16.91 |
| 09/10/2026 | 3.4 | 2.0 | | 18.6 | 5.1 | 93 | 54 | 6.17 | 17.80 |
| 10/10/2026 | 3.3 | 0.0 | | 19.8 | 9.6 | 97 | 47 | 4.32 | 14.63 |
| 11/10/2026 | 3.8 | 1.2 | | 16.5 | 7.2 | 95 | 31 | 3.46 | 23.25 |
| 12/10/2026 | 4.0 | 0.0 | | 19.2 | 1.5 | 87 | 32 | 2.84 | 24.79 |
| 13/10/2026 | 5.0 | 0.0 | | 22.6 | 4.0 | 90 | 28 | 3.95 | 25.05 |
| 14/10/2026 | 6.9 | 0.0 | | 28.0 | 6.9 | 91 | 20 | 5.57 | 24.05 |
| 15/10/2026 | 4.0 | 2.4 | | 22.7 | 13.6 | 95 | 38 | 3.51 | 17.57 |
| 16/10/2026 | 5.0 | 0.0 | | 25.8 | 6.5 | 98 | 27 | 2.63 | 25.52 |
| 17/10/2026 | 4.6 | 0.0 | | 25.0 | 6.7 | 98 | 32 | 2.17 | 24.97 |
| 18/10/2026 | 4.6 | 0.8 | | 20.8 | 9.8 | 96 | 38 | 5.38 | 22.93 |
| 19/10/2026 | 4.8 | 0.0 | | 22.7 | 6.1 | 91 | 28 | 3.06 | 25.57 |
| 20/10/2026 | 5.7 | 0.0 | | 25.9 | 4.5 | 96 | 25 | 3.84 | 26.13 |
| 21/10/2026 | 6.2 | 0.0 | | 25.8 | 6.6 | 97 | 35 | 6.98 | 26.13 |
| 22/10/2026 | 4.7 | 1.2 | | 21.0 | 10.9 | 95 | 34 | 5.15 | 22.48 |
| 23/10/2026 | 3.5 | 0.0 | | 16.3 | 6.1 | 89 | 40 | 4.30 | 18.74 |
| 24/10/2026 | 3.9 | 0.0 | | 16.8 | 2.5 | 89 | 38 | 4.95 | 22.66 |
| 25/10/2026 | 3.9 | 0.2 | | 19.3 | 2.7 | 95 | 31 | 3.54 | 19.16 |
| 26/10/2026 | 4.7 | 6.8 | | 22.0 | 6.9 | 98 | 32 | 3.04 | 25.88 |
| Totals: | 111.8 | 16.4 | | | | | | | |
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