Evapotranspiration Calculations
South Johnstone Exp Stn - 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 | 2.7 | 10.2 | | 27.4 | 24.5 | 95 | 77 | 2.76 | 11.34 |
| 02/04/2026 | 3.1 | 1.2 | | 28.3 | 23.5 | 93 | 73 | 2.61 | 13.46 |
| 03/04/2026 | 3.1 | 15.0 | | 27.8 | 23.9 | 94 | 79 | 3.04 | 14.42 |
| 04/04/2026 | 3.6 | 51.2 | | 27.9 | 22.3 | 96 | 77 | 2.76 | 18.19 |
| 05/04/2026 | 4.2 | 26.2 | | 29.0 | 22.2 | 96 | 66 | 2.53 | 20.88 |
| 06/04/2026 | 4.3 | 6.0 | | 28.5 | 21.7 | 95 | 66 | 2.80 | 21.43 |
| 07/04/2026 | 4.2 | 4.8 | | 28.2 | 22.4 | 96 | 65 | 2.79 | 20.78 |
| 08/04/2026 | 4.5 | 2.0 | | 29.1 | 19.9 | 95 | 57 | 2.10 | 22.96 |
| 09/04/2026 | 4.4 | 0.0 | | 29.1 | 20.6 | 95 | 59 | 1.93 | 22.33 |
| 10/04/2026 | 3.3 | 24.2 | | 28.2 | 21.7 | 96 | 66 | 1.86 | 16.01 |
| 11/04/2026 | 4.4 | 0.6 | | 29.7 | 20.4 | 96 | 54 | 1.88 | 22.24 |
| 12/04/2026 | 4.3 | 0.0 | | 30.8 | 18.5 | 96 | 52 | 0.96 | 23.17 |
| 13/04/2026 | 4.2 | 0.2 | | 29.8 | 20.0 | 96 | 59 | 1.94 | 21.40 |
| 14/04/2026 | 2.6 | 1.2 | | 27.4 | 24.2 | 93 | 71 | 2.94 | 9.45 |
| 15/04/2026 | 2.5 | 29.2 | | 27.9 | 22.1 | 96 | 82 | 2.85 | 11.45 |
| 16/04/2026 | 3.3 | 7.8 | | 29.6 | 24.8 | 96 | 78 | 2.95 | 15.61 |
| 17/04/2026 | 3.4 | 3.6 | | 29.4 | 24.7 | 95 | 75 | 1.80 | 16.16 |
| 18/04/2026 | 3.8 | 1.6 | | 29.9 | 21.8 | 97 | 64 | 1.21 | 19.31 |
| 19/04/2026 | 4.1 | 0.2 | | 29.7 | 22.1 | 97 | 59 | 1.53 | 21.00 |
| 20/04/2026 | 1.6 | 2.2 | | 25.7 | 21.9 | 97 | 90 | 1.11 | 7.28 |
| 21/04/2026 | 4.0 | 62.0 | | 28.2 | 20.4 | 97 | 52 | 2.03 | 19.97 |
| 22/04/2026 | 3.3 | 3.4 | | 28.0 | 18.8 | 95 | 57 | 1.95 | 15.62 |
| 23/04/2026 | 3.4 | 0.0 | | 26.9 | 19.6 | 97 | 63 | 2.09 | 17.45 |
| 24/04/2026 | 2.7 | 23.6 | | 25.5 | 18.9 | 96 | 77 | 2.72 | 13.87 |
| 25/04/2026 | 3.6 | 26.4 | | 26.4 | 20.4 | 96 | 65 | 2.34 | 18.95 |
| 26/04/2026 | 3.5 | 0.4 | | 26.4 | 18.3 | 97 | 63 | 1.69 | 19.60 |
| Totals: | 92.1 | 303.2 | | | | | | | |
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