Evapotranspiration Calculations
Richmond Airport Comparison - 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 | | | | 35.2 | | 69 | 15 | 0.00 | 25.32 |
| 02/10/2026 | 3.7 | | | 34.7 | 15.0 | 62 | 12 | 0.00 | 25.39 |
| 03/10/2026 | 3.7 | | | 34.9 | 15.1 | 64 | 11 | 0.00 | 25.51 |
| 04/10/2026 | 3.7 | | | 36.9 | 14.9 | 52 | 9 | 0.00 | 25.62 |
| 05/10/2026 | 3.8 | | | 37.4 | 16.4 | 56 | 11 | 0.00 | 25.74 |
| 06/10/2026 | 4.0 | | | 37.9 | 18.0 | 53 | 15 | 0.00 | 25.84 |
| 07/10/2026 | 3.8 | | | 37.4 | 19.2 | 45 | 18 | 0.00 | 23.32 |
| 08/10/2026 | 3.8 | | | 37.1 | 20.3 | 55 | 23 | 0.00 | 22.01 |
| 09/10/2026 | 4.4 | | | 38.1 | 18.2 | 70 | 22 | 0.00 | 26.12 |
| 10/10/2026 | 3.8 | | | 34.2 | 20.5 | 96 | 32 | 0.00 | 20.55 |
| 11/10/2026 | 4.5 | | | 38.2 | 18.9 | 90 | 20 | 0.00 | 26.11 |
| 12/10/2026 | 4.4 | | | 39.6 | 20.4 | 65 | 16 | 0.00 | 26.41 |
| 13/10/2026 | 4.5 | | | 39.2 | 20.6 | 57 | 18 | 0.00 | 26.79 |
| 14/10/2026 | 4.2 | | | 38.8 | 22.6 | 51 | 23 | 0.00 | 23.67 |
| 15/10/2026 | 4.7 | | | 35.7 | 20.5 | 93 | 30 | 0.00 | 25.64 |
| 16/10/2026 | 4.9 | | | 36.5 | 21.4 | 88 | 24 | 0.00 | 27.16 |
| 17/10/2026 | 4.4 | | | 35.6 | 21.8 | 84 | 33 | 0.00 | 23.16 |
| 18/10/2026 | 4.5 | | | 36.4 | 19.6 | 89 | 27 | 0.00 | 25.17 |
| 19/10/2026 | 4.9 | | | 35.3 | 20.3 | 92 | 31 | 0.00 | 26.80 |
| 20/10/2026 | 4.7 | | | 36.9 | 19.5 | 82 | 26 | 0.00 | 26.11 |
| 21/10/2026 | 4.8 | | | 38.6 | 21.4 | 74 | 25 | 0.00 | 26.32 |
| 22/10/2026 | 4.5 | | | 37.0 | 22.4 | 84 | 30 | 0.00 | 23.84 |
| 23/10/2026 | 2.8 | | | 33.4 | 23.3 | 89 | 40 | 0.00 | 13.32 |
| 24/10/2026 | 5.2 | | | 37.2 | 21.8 | 90 | 31 | 0.00 | 27.52 |
| 25/10/2026 | 5.2 | | | 37.8 | 22.2 | 81 | 32 | 0.00 | 27.33 |
| 26/10/2026 | 5.2 | | | 38.8 | 22.2 | 95 | 34 | 0.00 | 26.33 |
| Totals: | 108.1 | | | | | | | | |
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