Evapotranspiration Calculations
Robe Airfield - 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 | 2.1 | 9.8 | | 19.0 | 12.1 | 97 | 60 | 1.43 | 11.14 |
| 02/10/2026 | 2.6 | 6.0 | | 17.1 | 12.2 | 90 | 68 | 5.58 | 13.77 |
| 03/10/2026 | 2.1 | 0.2 | | 15.4 | 12.2 | 89 | 76 | 7.31 | 10.71 |
| 04/10/2026 | 2.8 | 0.0 | | 17.1 | 8.1 | 92 | 66 | 3.82 | 19.65 |
| 05/10/2026 | 3.2 | 0.0 | | 16.8 | 8.8 | 88 | 57 | 2.95 | 22.67 |
| 06/10/2026 | 3.4 | 0.0 | | 16.9 | 12.4 | 89 | 59 | 5.22 | 21.06 |
| 07/10/2026 | 3.2 | 0.0 | | 18.3 | 0.7 | 94 | 49 | 2.55 | 23.06 |
| 08/10/2026 | 5.3 | 0.0 | | 26.6 | 6.7 | 93 | 33 | 4.17 | 23.25 |
| 09/10/2026 | 2.9 | 0.0 | | 18.9 | 12.0 | 94 | 44 | 5.14 | 7.92 |
| 10/10/2026 | 3.2 | 8.0 | | 18.7 | 12.1 | 92 | 70 | 6.11 | 20.91 |
| 11/10/2026 | 5.0 | 1.4 | | 26.2 | 10.2 | 96 | 40 | 5.41 | 20.03 |
| 12/10/2026 | 3.5 | 0.6 | | 16.5 | 10.5 | 95 | 52 | 4.19 | 22.77 |
| 13/10/2026 | 3.6 | 0.4 | | 15.8 | 11.2 | 82 | 55 | 4.84 | 22.53 |
| 14/10/2026 | 2.5 | 0.0 | | 15.7 | 8.3 | 89 | 53 | 3.03 | 12.60 |
| 15/10/2026 | 3.4 | 0.0 | | 17.6 | 4.9 | 93 | 52 | 2.69 | 24.07 |
| 16/10/2026 | 3.7 | 0.0 | | 23.6 | 5.5 | 94 | 50 | 2.64 | 20.14 |
| 17/10/2026 | 4.7 | 0.0 | | 25.5 | 11.1 | 88 | 47 | 3.55 | 23.23 |
| 18/10/2026 | 5.5 | 0.0 | | 27.4 | 13.6 | 80 | 39 | 3.95 | 23.41 |
| 19/10/2026 | 5.3 | 0.0 | | 27.2 | 16.3 | 86 | 45 | 4.89 | 21.64 |
| 20/10/2026 | 2.8 | 0.0 | | 19.6 | 14.6 | 93 | 61 | 3.74 | 12.48 |
| 21/10/2026 | 3.6 | 0.0 | | 21.3 | 12.2 | 95 | 65 | 3.70 | 21.43 |
| 22/10/2026 | 5.7 | 0.0 | | 30.2 | 12.6 | 97 | 36 | 3.26 | 25.36 |
| 23/10/2026 | 2.8 | 0.0 | | 20.6 | 14.3 | 91 | 72 | 2.26 | 15.26 |
| 24/10/2026 | 2.8 | 1.2 | | 20.3 | 11.9 | 92 | 53 | 2.85 | 12.48 |
| 25/10/2026 | 3.2 | 9.2 | | 15.8 | 11.0 | 95 | 48 | 4.52 | 17.48 |
| 26/10/2026 | 3.8 | 0.8 | | 16.5 | 9.5 | 92 | 47 | 2.54 | 25.95 |
| Totals: | 92.7 | 37.6 | | | | | | | |
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