| Observations at Pitsford Hall | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th | 16th | 17th | 18th | 19th | 20th | 21st | 22nd | 23rd | 24th | 25th | 26th | 27th | 28th |
| Time of Observations (GMT) | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 |
| Total Cloud (oktas) | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 2 | 0 | 6 | 8 | 8 | 8 | 8 | 1 | 2 | 3 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 3 | 8 | 7 | 0 |
| Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Direction | calm | calm | n | nw | nnw | nnw | nw | nw | nnw | n | ssw | ssw | sw | ssw | wnw | ssw | wnw | sw | ne | nne | n | ne | n | ene | nne | ene | nnw | n |
| Speed (knots) | 0 | 0 | 3 | 1 | 6 | 2 | 6 | 10 | 8 | 2 | 3 | 14 | 1 | 12 | 8 | 9 | 7 | 1 | 8 | 12 | 7 | 12 | 3 | 10 | 23 | 10 | 7 | 11 |
| Weather | 10 | 12 | 10 | 10 | 45 | 10 | 2 | 1 | 0 | 1 | 10 | 63 | 2 | 20 | 2 | 1 | 2 | 43 | 60 | 2 | 70 | 50 | 71 | 2 | 2 | 83 | 1 | 0 |
| Visibility | 5 | 4 | 5 | 5 | 2 | 6 | 7 | 8 | 8 | 6 | 5 | 5 | 7 | 5 | 7 | 8 | 8 | 2 | 2 | 7 | 6 | 7 | 6 | 6 | 7 | 7 | 6 | 9 |
| Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dry Bulb | -0.1 | -3.0 | -0.9 | 2.1 | 3.4 | 4.1 | 8.1 | 4.0 | -0.6 | -0.1 | 0.1 | 4.7 | 8.1 | 5.9 | 8.1 | 5.1 | 5.8 | -0.6 | 3.1 | 4.2 | 1.8 | 2.6 | 0.8 | 0.8 | 3.2 | 2.1 | 2.8 | 0.8 |
| Wet Bulb | -0.5 | -3.5 | -1.4 | 1.9 | 3.2 | 3.1 | 6.1 | 3.5 | -1.7 | -1.0 | -0.3 | 4.3 | 7.9 | 5.5 | 7.1 | 4.4 | 5.1 | -0.6 | 3.1 | 3.2 | 1.6 | 2.1 | 0.6 | 0.4 | 1.5 | 1.6 | 1.9 | 0.0 |
| Max | 0.6 | -1.3 | 1.8 | 6.5 | 8.0 | 8.9 | 8.7 | 8.0 | 6.6 | 6.5 | 5.8 | 8.7 | 9.8 | 10.9 | 11.7 | 8.5 | 10.5 | 8.8 | 5.4 | 6.9 | 4.5 | 7.9 | 3.9 | 2.8 | 4.6 | 6.4 | 6.2 | 6.8 |
| Min | -1.0 | -3.3 | -3.2 | -1.1 | 1.6 | 3.2 | 4.4 | 3.4 | -1.1 | -2.2 | -2.4 | 0.0 | 4.6 | 5.3 | 5.6 | 3.5 | 3.5 | -1.5 | -1.0 | 3.0 | 0.1 | 1.4 | 0.3 | -0.3 | 0.4 | 1.1 | 1.8 | -0.9 |
| Ground Observations (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Grass Min | -2.2 | -3.6 | -3.7 | -1.9 | -4.3 | 1.3 | 3.1 | -2.0 | -6.3 | -7.5 | -6.4 | -3.0 | 3.0 | 3.5 | 1.5 | -1.6 | -1.1 | -5.2 | -3.6 | 0.2 | -3.9 | 0.4 | -2.1 | -1.4 | -2.2 | -0.5 | -2.1 | -4.6 |
| Conc. Min | 0.0 | -2.5 | -2.4 | -0.9 | -1.0 | 2.6 | 3.6 | 2.0 | -2.4 | -3.0 | -3.4 | 0.0 | 4.0 | 5.0 | 5.0 | 2.0 | 2.3 | -1.1 | -1.0 | 1.8 | -1.1 | 3.4 | 0.3 | 0.1 | 0.1 | 1.1 | 1.5 | -1.0 |
| Bare Earth Min | -0.2 | -2.5 | -2.2 | -1.0 | -1.0 | 2.1 | 3.1 | 1.8 | -1.8 | -1.9 | -3.0 | -0.6 | 3.4 | 4.6 | 4.5 | 1.9 | 1.8 | -1.0 | -0.6 | 1.6 | -1.3 | _ | 0.0 | -0.3 | -0.4 | 0.9 | 0.8 | -1.2 |
| Soil/Earth Temperatures (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Surface | 1.9 | 0.4 | 0.4 | 2.3 | 2.5 | 4.0 | 5.0 | 3.1 | 1.7 | 0.5 | 0.8 | 3.6 | 6.4 | 5.7 | 6.0 | 4.6 | 4.5 | 2.0 | 3.3 | 3.5 | 1.6 | 2.5 | 1.4 | 1.3 | 1.4 | 2.5 | 2.7 | 0.8 |
| 5cm | 2.2 | 0.5 | 0.8 | 1.8 | 2.1 | 3.7 | 4.6 | 3.4 | 1.7 | 0.9 | 1.1 | 2.8 | 5.5 | 5.5 | 5.8 | 4.5 | 4.1 | 2.4 | 3.0 | 3.1 | 1.7 | 2.6 | 1.7 | 1.6 | 1.4 | 2.3 | 2.9 | 1.0 |
| 10cm | 2.5 | 1.4 | 1.1 | 2.0 | 2.3 | 3.9 | 4.8 | 4.0 | 2.0 | 1.1 | 1.5 | 3.0 | 5.6 | 5.7 | 6.1 | 4.8 | 4.4 | 2.8 | 3.3 | 3.3 | 1.9 | 2.8 | 2.0 | 2.0 | 1.7 | 2.6 | 3.2 | 1.7 |
| 20cm | 3.0 | 1.9 | 1.4 | 2.4 | 3.2 | 4.1 | 4.5 | 4.1 | 3.5 | 2.0 | 2.5 | 3.1 | 5.0 | 5.8 | 6.1 | 5.5 | 4.9 | 4.2 | 3.3 | 3.9 | 3.0 | 3.4 | 3.0 | 2.8 | 2.7 | 3.2 | 3.2 | 1.9 |
| 30cm | 3.6 | 2.3 | 2.4 | 2.6 | 3.4 | 4.0 | 4.6 | 4.4 | 3.9 | 2.4 | 2.7 | 3.0 | 4.5 | 5.5 | 5.7 | 5.5 | 5.1 | 4.6 | 4.1 | 3.9 | 3.9 | 3.5 | 3.4 | 3.4 | 3.1 | 3.3 | 3.5 | 2.6 |
| 40cm | 3.8 | 2.8 | 3.8 | 2.8 | 3.3 | 4.0 | 4.7 | 4.5 | 3.9 | 2.9 | 3.0 | 3.2 | 4.4 | 5.3 | 5.6 | 5.5 | 5.1 | 4.7 | 4.1 | 4.0 | 4.0 | 3.9 | 3.5 | 3.4 | 3.3 | 3.4 | 3.7 | 3.1 |
| 50cm | 4.1 | 3.3 | 3.9 | 3.3 | 3.7 | 4.2 | 4.9 | 4.9 | 4.5 | 3.3 | 3.5 | 3.6 | 4.5 | 5.3 | 5.6 | 5.6 | 5.4 | 5.0 | 4.6 | 4.4 | 4.3 | 4.1 | 3.9 | 3.8 | 3.9 | 3.8 | 4.1 | 3.8 |
| 100cm | 4.3 | 4.4 | 4.3 | 4.5 | 4.4 | 4.5 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.7 | 5.0 | 5.2 | 5.3 | 5.2 | 5.2 | 4.9 | 4.7 | 4.5 | 4.7 | 4.4 | 4.7 | 4.6 | 4.4 | 4.2 |
| State of the Ground |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Without snow | 1 | 1 | 4 | 1 | 1 | 1 | 0 | 2 | 4 | 4 | 4 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 3 | 2 |   | _ | 1 | 1 | 1 | 4 |
| With snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 5 | 6 | _ | _ | _ | _ |
| Snow depth | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ |
| State of the Grass | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 3 | 5 | 5 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 3 | 3 | 3 | 3 | 9 | 9 | 1 | 3 | 1 | 5 |
| State of the Concrete | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 1 | 2 | 2 | 0 | 1 | 0 | 3 |
| Evaporation (mm) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Hook-gauge reading | 56.3 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 65.2 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 50.5 | _ | _ | 50.47 |
| Total evaporation (less rainfall) | > | > | > | > | > | > | > | > | > | > | > | > | 5.00 | > | > | > | > | > | > | > | > | > | > | > | 9.41 | > | > | 4.53 |
| Rainfall (mm) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total | _ | _ | _ | _ | _ | _ | 2.5 | _ | _ | _ | 6.7 | 4.7 | 0.3 | 7.5 | 0.1 | 0.6 | tr(fe) | 0.5 | 0.1 | tr | 2.6 | 0.1 | 2.6 | 0.2 | 0.9 | 0.1 | 3.5 | tr |
| Duration (hrs) | _ | _ | _ | _ | _ | _ | 2.0 | _ | _ | _ | 4.8 | 8.2 | 0.6 | 4.9 | _ | 0.4 | _ | 1.3 | _ | _ | 3.5 | 1.1 | 12.5 | _ | 1.8 | _ | 1.5 | _ |
| Intensity (mean over 24 hrs, mm/hr) | _ | _ | _ | _ | _ | _ | 1.3 | _ | _ | _ | 1.4 | 0.6 | 0.5 | 1.5 | _ | 1.5 | _ | 0.4 | _ | _ | 0.7 | 0.1 | 0.2 | _ | 0.5 | _ | 2.3 | _ |
| Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Miles (over 24 hrs) | 37.54 | 32.29 | 50.51 | 72.35 | 74.5 | 107.07 | 185.87 | 159.12 | 158.1 | 36.02 | 191.42 | 94.7 | 183.46 | 286.11 | 198.61 | 208.01 | 69.88 | 61.96 | 205.66 | 157.67 | 180.9 | 140.41 | 106.27 | 255.85 | 204.7 | 152.16 | 168.57 | 181.26 |
| Mean (mph) | 2 | 1.7 | 2.7 | 3.9 | 4 | 5.8 | 10.1 | 8.6 | 8.6 | 2 | 10.4 | 5.1 | 9.9 | 15.5 | 10.8 | 11.3 | 3.8 | 3.4 | 11.1 | 8.5 | 9.8 | 7.6 | 5.8 | 13.9 | 11.1 | 8.2 | 9.1 | 9.8 |
| Gust (mph) | <15 | <15 | <15 | <15 | 18 | 21 | 34 | 30 | 28 | <15 | 20 | 18 | 23 | 42 | 28 | 24 | 17 | 16 | 39 | 37 | 34 | 32 | 23 | 44 | 47 | 31 | 25 | 34 |
| Sunshine (hrs) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 6.3 | 6.2 | 3.3 | 1.0 | 0.0 | 0.0 | 5.0 | 5.5 | 4.4 | 6.2 | 5.9 | 0.0 | 5.2 | 2.4 | 0.0 | 0.0 | 1.2 | 6.7 | 2.7 | 1.4 | 7.9 |
| Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP(Twb) | 0.589 | 0.472 | 0.551 | 0.701 | 0.769 | 0.763 | 0.942 | 0.785 | 0.539 | 0.568 | 0.598 | 0.831 | 1.066 | 0.904 | 1.009 | 0.837 | 0.879 | 0.585 | 0.763 | 0.769 | 0.686 | 0.711 | 0.638 | 0.629 | 0.681 | 0.686 | 0.701 | 0.611 |
| VP | 0.562 | 0.438 | 0.517 | 0.688 | 0.755 | 0.695 | 0.807 | 0.751 | 0.465 | 0.508 | 0.571 | 0.804 | 1.052 | 0.877 | 0.941 | 0.79 | 0.832 | 0.585 | 0.763 | 0.701 | 0.673 | 0.677 | 0.625 | 0.602 | 0.566 | 0.652 | 0.64 | 0.557 |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP | 0.607 | 0.49 | 0.572 | 0.711 | 0.78 | 0.819 | 1.081 | 0.814 | 0.585 | 0.607 | 0.615 | 0.855 | 1.081 | 0.929 | 1.081 | 0.879 | 0.923 | 0.585 | 0.763 | 0.825 | 0.696 | 0.737 | 0.648 | 0.648 | 0.769 | 0.711 | 0.747 | 0.648 |
| RH % | 92.6 | 89.4 | 90.4 | 96.8 | 96.8 | 84.9 | 74.7 | 92.3 | 79.5 | 83.7 | 92.8 | 94 | 97.3 | 94.4 | 87 | 89.9 | 90.1 | 100 | 100 | 85 | 96.7 | 91.9 | 96.5 | 92.9 | 73.6 | 91.7 | 85.7 | 86 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dew Point (C) | -1.1 | -4.5 | -2.3 | 1.6 | 2.9 | 1.8 | 3.9 | 2.9 | -3.7 | -2.5 | -0.9 | 3.8 | 7.7 | 5.1 | 6.1 | 3.6 | 4.3 | -0.6 | 3.1 | 1.9 | 1.3 | 1.4 | 0.3 | -0.2 | -1 | 0.9 | 0.6 | -1.3 |
| Pressure (mb) | 1023.3 | 1022.9 | 1025.4 | 1030.4 | 1033.6 | 1030.0 | 1022.5 | 1008.1 | 1017.6 | 1025.5 | 1027.7 | 1021.6 | 1018.5 | 1010.4 | 991.5 | 983.9 | 983.8 | 991.8 | 999.6 | 1013.8 | 1021.9 | 1027.0 | 1028.3 | 1020.1 | 1022.4 | 1026.4 | 1022.4 | 1008.4 |
| Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | 1 | 1 | _ | _ | _ | 1 |
| fog | _ | 1 | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ |