Evapotranspiration Calculations
Mandurah - January 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2026 | 8.3 | 0.0 | 33.9 | 20.9 | 55 | 20 | 3.48 | 29.89 | |
| 02/01/2026 | 8.5 | 0.0 | 35.0 | 21.7 | 62 | 24 | 3.82 | 29.33 | |
| 03/01/2026 | 8.5 | 0.0 | 33.6 | 21.5 | 66 | 28 | 4.01 | 31.55 | |
| 04/01/2026 | 7.7 | 0.0 | 31.0 | 21.9 | 71 | 29 | 3.35 | 31.65 | |
| 05/01/2026 | 7.2 | 0.0 | 29.9 | 20.2 | 73 | 45 | 4.11 | 31.26 | |
| 06/01/2026 | 7.0 | 0.0 | 27.8 | 20.2 | 73 | 50 | 4.94 | 31.36 | |
| 07/01/2026 | 7.6 | 0.0 | 27.4 | 17.9 | 64 | 34 | 5.20 | 31.30 | |
| 08/01/2026 | 5.7 | 0.0 | 25.0 | 18.4 | 70 | 46 | 4.76 | 22.89 | |
| 09/01/2026 | 7.3 | 0.0 | 28.4 | 16.1 | 69 | 23 | 4.84 | 25.15 | |
| 10/01/2026 | 9.0 | 0.0 | 31.4 | 16.5 | 55 | 22 | 5.26 | 31.28 | |
| 11/01/2026 | 8.7 | 0.0 | 34.7 | 16.1 | 68 | 18 | 4.18 | 29.52 | |
| 12/01/2026 | 7.7 | 0.0 | 29.6 | 21.0 | 66 | 36 | 4.50 | 31.02 | |
| 13/01/2026 | 7.4 | 0.0 | 29.7 | 18.2 | 76 | 31 | 4.69 | 28.96 | |
| 14/01/2026 | 8.4 | 0.0 | 32.9 | 17.8 | 70 | 24 | 4.29 | 31.05 | |
| 15/01/2026 | 8.3 | 0.0 | 33.9 | 18.0 | 71 | 29 | 4.22 | 30.73 | |
| 16/01/2026 | 7.3 | 0.0 | 30.4 | 23.6 | 74 | 36 | 3.34 | 30.53 | |
| 17/01/2026 | 6.2 | 0.0 | 25.4 | 20.1 | 67 | 50 | 4.19 | 27.79 | |
| 18/01/2026 | 6.9 | 0.0 | 26.4 | 15.8 | 68 | 30 | 4.06 | 30.58 | |
| 19/01/2026 | 8.1 | 0.0 | 32.6 | 17.7 | 64 | 20 | 3.69 | 30.46 | |
| 20/01/2026 | 0.0 | 19.9 | 51 | 17 | 3.79 | 30.35 | |||
| 21/01/2026 | 9.5 | 0.0 | 38.4 | 20.7 | 59 | 19 | 3.95 | 30.39 | |
| 22/01/2026 | 7.1 | 0.0 | 28.1 | 22.7 | 73 | 39 | 4.26 | 29.50 | |
| 23/01/2026 | 6.1 | 0.0 | 24.8 | 19.4 | 73 | 46 | 4.49 | 27.49 | |
| 24/01/2026 | 6.0 | 0.0 | 25.2 | 16.6 | 68 | 44 | 3.35 | 29.77 | |
| 25/01/2026 | 4.7 | 0.0 | 24.4 | 19.9 | 87 | 58 | 4.80 | 20.99 | |
| 26/01/2026 | 5.2 | 1.0 | 23.0 | 19.4 | 75 | 43 | 4.85 | 19.94 | |
| 27/01/2026 | 6.1 | 0.0 | 25.1 | 14.9 | 77 | 39 | 4.75 | 27.25 | |
| 28/01/2026 | 7.0 | 0.0 | 28.2 | 15.8 | 68 | 31 | 4.22 | 29.46 | |
| 29/01/2026 | 7.1 | 0.0 | 30.1 | 19.0 | 66 | 40 | 3.85 | 29.46 | |
| 30/01/2026 | 7.2 | 0.0 | 31.9 | 21.8 | 70 | 34 | 3.31 | 28.75 | |
| Totals: | 211.8 | 1.0 |
