Evapotranspiration Calculations
Sheffield School Farm - 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 | 2.0 | 19.4 | | 18.6 | 11.2 | 99 | 57 | 2.05 | 9.77 |
| 02/10/2026 | 2.6 | 0.2 | | 17.2 | 4.9 | 96 | 51 | 1.35 | 18.53 |
| 03/10/2026 | 3.0 | 0.0 | | 17.6 | 5.0 | 89 | 46 | 2.15 | 20.15 |
| 04/10/2026 | 2.6 | 0.0 | | 17.0 | 4.7 | 97 | 59 | 1.00 | 20.39 |
| 05/10/2026 | 2.9 | 0.0 | | 17.1 | 3.8 | 98 | 48 | 2.08 | 20.68 |
| 06/10/2026 | 2.8 | 2.6 | | 12.4 | 8.1 | 95 | 49 | 5.57 | 18.69 |
| 07/10/2026 | 2.6 | 2.0 | | 13.4 | -0.3 | 88 | 44 | 1.29 | 21.66 |
| 08/10/2026 | 2.2 | 0.2 | | 14.0 | 1.8 | 94 | 62 | 1.35 | 17.59 |
| 09/10/2026 | 2.0 | 0.0 | | 15.8 | 4.9 | 92 | 69 | 1.55 | 13.76 |
| 10/10/2026 | 3.3 | 3.6 | | 17.0 | 9.4 | 97 | 47 | 4.89 | 18.07 |
| 11/10/2026 | 2.0 | 0.2 | | 14.2 | 6.7 | 98 | 63 | 3.50 | 12.07 |
| 12/10/2026 | 3.1 | 9.4 | | 14.8 | 10.7 | 99 | 41 | 4.39 | 18.28 |
| 13/10/2026 | 2.8 | 4.0 | | 10.9 | 4.6 | 90 | 48 | 4.30 | 20.83 |
| 14/10/2026 | 2.7 | 0.2 | | 15.5 | 1.5 | 93 | 48 | 1.40 | 20.79 |
| 15/10/2026 | 2.8 | 0.0 | | 15.7 | 2.9 | 95 | 52 | 1.56 | 21.56 |
| 16/10/2026 | 2.6 | 0.0 | | 16.6 | 7.1 | 90 | 55 | 1.67 | 17.13 |
| 17/10/2026 | 2.6 | 0.0 | | 18.3 | 7.2 | 96 | 65 | 1.84 | 16.50 |
| 18/10/2026 | 3.2 | 0.0 | | 19.3 | 8.1 | 99 | 57 | 1.14 | 21.89 |
| 19/10/2026 | 3.5 | 0.2 | | 20.9 | 7.1 | 99 | 44 | 1.01 | 24.19 |
| 20/10/2026 | 2.7 | 0.0 | | 20.6 | 9.9 | 96 | 59 | 1.39 | 15.13 |
| 21/10/2026 | 3.8 | 0.6 | | 22.6 | 11.1 | 98 | 66 | 1.77 | 24.23 |
| 22/10/2026 | 3.8 | 0.2 | | 22.3 | 10.0 | 99 | 57 | 1.30 | 24.76 |
| 23/10/2026 | 3.5 | 0.0 | | 21.7 | 11.2 | 99 | 67 | 2.38 | 22.44 |
| 24/10/2026 | 2.9 | 2.8 | | 19.1 | 10.2 | 97 | 50 | 1.99 | 15.95 |
| 25/10/2026 | 1.7 | 14.8 | | 14.7 | 8.9 | 98 | 65 | 1.45 | 8.94 |
| 26/10/2026 | 3.0 | 0.8 | | 13.1 | 2.5 | 93 | 54 | 3.04 | 24.52 |
| Totals: | 72.7 | 61.2 | | | | | | | |
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