Evapotranspiration Calculations
Rottnest Island - 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 | 4.4 | 0.4 | | 18.1 | 12.9 | 81 | 47 | 7.29 | 22.32 |
| 02/10/2026 | 5.3 | 0.0 | | 21.2 | 12.3 | 75 | 41 | 7.43 | 23.53 |
| 03/10/2026 | 4.2 | 0.0 | | 19.1 | 14.1 | 80 | 63 | 8.14 | 23.70 |
| 04/10/2026 | 4.3 | 0.0 | | 19.7 | 15.3 | 86 | 55 | 6.44 | 23.63 |
| 05/10/2026 | 4.1 | 0.0 | | 20.9 | 15.6 | 81 | 61 | 5.46 | 21.52 |
| 06/10/2026 | 4.0 | 0.0 | | 20.6 | 15.0 | 85 | 62 | 7.40 | 21.20 |
| 07/10/2026 | 4.3 | 0.0 | | 21.1 | 16.4 | 87 | 59 | 8.60 | 20.89 |
| 08/10/2026 | 4.0 | 5.6 | | 19.1 | 15.0 | 95 | 51 | 10.47 | 17.67 |
| 09/10/2026 | 3.5 | 0.6 | | 18.9 | 13.3 | 89 | 55 | 7.36 | 14.12 |
| 10/10/2026 | 4.1 | 0.4 | | 19.6 | 13.6 | 92 | 52 | 6.78 | 21.50 |
| 11/10/2026 | 4.5 | 0.2 | | 17.1 | 12.8 | 83 | 43 | 9.42 | 20.73 |
| 12/10/2026 | 5.2 | 0.0 | | 19.1 | 10.8 | 71 | 43 | 8.47 | 25.12 |
| 13/10/2026 | 6.3 | 0.0 | | 24.9 | 12.9 | 82 | 34 | 7.38 | 25.34 |
| 14/10/2026 | 6.1 | 0.0 | | 27.4 | 16.7 | 88 | 38 | 8.13 | 17.68 |
| 15/10/2026 | 3.7 | 6.6 | | 20.5 | 15.9 | 96 | 58 | 6.11 | 19.34 |
| 16/10/2026 | 4.5 | 0.2 | | 21.6 | 15.3 | 82 | 58 | 3.79 | 25.82 |
| 17/10/2026 | 4.8 | 0.0 | | 22.4 | 15.9 | 81 | 52 | 5.26 | 23.02 |
| 18/10/2026 | 5.2 | 0.4 | | 20.7 | 15.4 | 94 | 34 | 7.92 | 22.24 |
| 19/10/2026 | 4.4 | 0.0 | | 19.8 | 14.2 | 74 | 50 | 4.91 | 21.39 |
| 20/10/2026 | 4.8 | 0.0 | | 21.2 | 13.5 | 73 | 51 | 4.22 | 25.43 |
| 21/10/2026 | 4.4 | 0.0 | | 22.4 | 15.5 | 95 | 58 | 7.42 | 22.55 |
| 22/10/2026 | 4.9 | 1.8 | | 20.1 | 15.3 | 88 | 48 | 7.96 | 24.21 |
| 23/10/2026 | 4.5 | 0.0 | | 17.6 | 14.2 | 81 | 52 | 10.06 | 21.34 |
| 24/10/2026 | 4.2 | 3.6 | | 17.0 | 9.1 | 87 | 48 | 9.23 | 21.95 |
| 25/10/2026 | 4.4 | 0.8 | | 17.3 | 10.4 | 90 | 46 | 6.53 | 26.48 |
| 26/10/2026 | 4.2 | 14.8 | | 20.0 | 11.5 | 92 | 55 | 8.21 | 22.24 |
| Totals: | 118.3 | 35.4 | | | | | | | |
Monthly Archive