| 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) | 0 | 8 | 8 | 9 | 8 | 1 | 8 | 6 | 5 | 4 | 2 | 6 | 1 | 8 | 8 | 4 | 8 | 9 | 8 | 8 | 8 | 9 | 8 | 6 | 9 | 7 | 8 | 8 |
| Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Direction | nw | s | calm | se | sw | nnw | n | nne | nne | nne | n | nw | nnw | nw | sse | sw | ese | e | wnw | nw | ssw | ne | e | s | s | nw | ese | nnw |
| Speed (knots) | 7 | 4 | 0 | 1 | 1 | 8 | 7 | 15 | 12 | 7 | 10 | 10 | 7 | 11 | 7 | 3 | 5 | 2 | 2 | 2 | 12 | 5 | 6 | 2 | 1 | 5 | 2 | 26 |
| Weather | 2 | 2 | 24 | 20 | 20 | 10 | 10 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 26 | 71 | 2 | 1 | 20 | 21 | 25 | 63 |
| Visibility | 9 | 6 | 6 | 3 | 6 | 5 | 5 | 5 | 5 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 4 | 7 | 6 | 5 | 4 | 9 | 5 | 4 | 6 | 5 | 6 |
| Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | |
| Dry Bulb | -1.2 | 4.1 | 0.1 | 5.1 | 6.0 | 2.4 | 2.5 | 1.1 | 1.4 | 1.2 | 0.4 | 2.5 | 0.8 | 2.4 | 0.8 | 2.8 | 2.0 | -0.4 | 0.4 | -0.3 | 1.0 | 0.0 | 1.1 | 5.5 | 6.0 | 4.0 | 4.2 | 3.0 |
| Wet Bulb | -1.5 | 4.0 | 0.0 | 5.0 | 6.0 | 2.4 | 2.4 | 0.9 | 0.4 | 0.8 | -1.1 | 1.9 | 0.4 | 2.4 | 0.4 | 2.4 | 2.0 | -0.4 | 0.4 | -0.6 | 0.8 | 0.0 | 0.0 | 4.5 | 5.5 | 3.5 | 3.9 | 3.0 |
| Max | 4.5 | 7.9 | 6.5 | 8.0 | 9.4 | 5.0 | 4.5 | 3.3 | 5.0 | 3.4 | 3.5 | 5.7 | 4.8 | 4.4 | 4.0 | 5.6 | 4.4 | 0.8 | 4.4 | 5.0 | 6.0 | 3.1 | 5.9 | 9.4 | 9.0 | 6.5 | 9.0 | 5.5 |
| Min | -1.4 | -1.6 | -0.9 | -0.8 | 4.5 | 1.2 | 2.1 | 0.8 | -0.1 | 0.5 | -1.4 | -0.1 | 0.0 | 0.8 | 0.4 | 0.8 | 1.6 | -1.2 | -0.4 | -2.2 | -2.4 | -1.0 | -0.2 | 0.5 | 4.6 | 4.0 | 1.2 | 2.9 |
| Solar Radiation (W/m^2) | 21 | 16 | 21 | 5 | 30 | 143 | 21 | 14 | 72 | 104 | 51 | 33 | 46 | 48 | 27 | 156 | 31 | 55 | 30 | 91 | 109 | 30 | 91 | 135 | 285 | 28 | 125 | 46 |
| Grass & Concrete |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| State of Grass | 9 | 1 | 5 | 3 | 3 | 3 | 1 | 3 | 7 | 7 | 9 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 9 | 9 | 9 | 9 | 9 | 3 | 3 | 3 | 3 |
| State of Concrete | 3 | 1 | 3 | 2 | 2 | 0 | 0 | 3 | 1 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Concrete Min (C) | -3.9 | -3.0 | -6.6 | -8.0 | -4.5 | 0.6 | 2.1 | 1.1 | -1.0 | -0.6 | -2.4 | -1.0 | 1.6 | -0.9 | -1.3 | -0.9 | -0.2 | -2.7 | -2.0 | -3.4 | -3.9 | -3.5 | -3.2 | 0.3 | _ | 3.9 | _ | 3.6 |
| Evaporation |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Piche (ml) | 6 | 0.4 | 0.4 | 0.7 | 0.9 | 0.2 | 0.4 | 0.6 | 1.7 | > | > | 3.8 | > | > | > | > | > | > | > | 5.7 | 0.4 | 1 | 0.5 | 0.2 | 1.1 | 2 | 0.7 | 2 |
| Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > |
| Rainfall |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total (mm) | 0.2 | 6.1 | 2.7 | 3.7 | 0.1 | tr | 1.1 | 0.8 | 0.1 | 0.3 | 0.4 | 0.9 | 2.2 | 0.2 | 1.3 | tr | 2.2 | 2.3 | 10.3 | 3.2 | 1.6 | _ | 3.6 | 1.6 | 7.4 | 7.6 | 8.7 | 0.5 |
| Duration (hrs) | _ | 12.0 | 3.0 | 6.0 | _ | _ | 2.3 | 3.6 | 0.1 | 0.4 | 0.1 | 1.0 | 3.0 | 1.5 | 4.0 | _ | 3.3 | 21.0 | 10.0 | 3.3 | 4.0 | _ | 4.5 | 1.8 | 12.9 | 4.3 | 7.6 | 1.0 |
| Intensity (mean over 24 hrs, mm/hr) | _ | 0.5 | 0.9 | 0.6 | _ | _ | 0.5 | 0.2 | 1.0 | 0.8 | 4.0 | 0.9 | 0.7 | 0.1 | 0.3 | _ | 0.7 | 0.1 | 1.0 | 1.0 | 0.4 | _ | 0.8 | 0.9 | 0.6 | 1.8 | 1.1 | 0.5 |
| Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Miles (over 24 hrs) | 87.37 | 102.69 | 109.32 | 130.92 | 34.35 | 69.6 | 107.9 | 106.17 | 146.12 | 101.5 | 167.17 | 192.17 | 174.49 | 79.83 | 162.81 | 64.63 | 65.77 | 67.68 | 91.57 | 41.75 | 76.7 | 98.64 | 117.53 | 75.56 | 86.82 | 218.27 | 68.96 | 259.87 |
| Mean (mph) | 4.7 | 5.6 | 5.9 | 7.1 | 1.9 | 3.8 | 5.8 | 5.8 | 7.9 | 5.5 | 9.1 | 10.4 | 9.5 | 4.3 | 8.8 | 3.5 | 3.6 | 3.7 | 5 | 2.3 | 4.2 | 5.3 | 6.4 | 4.1 | 4.7 | 11.8 | 3.7 | 14.1 |
| Gust (mph) | 23 | 23 | 16 | 18 | 16 | 17 | 23 | 27 | 30 | 27 | 29 | 28 | 30 | 20 | 23 | 15 | <15 | 18 | 17 | 15 | 20 | 27 | 25 | 15 | 30 | 38 | 30 | 34 |
| Sunshine (hrs) | 3.1 | 0.0 | 0.0 | 0.0 | 1.8 | 1.2 | 0.0 | 0.1 | 5.6 | 5.2 | 3.2 | 1.0 | 1.5 | 0.0 | 0.0 | 0.8 | 0.0 | 0.0 | 2.7 | 4.9 | 3.5 | 0.0 | 0.0 | 1.0 | 0.0 | 0.1 | 0.4 | 0.4 |
| Humidity Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP(Twb) | 0.547 | 0.814 | 0.611 | 0.873 | 0.936 | 0.726 | 0.726 | 0.652 | 0.629 | 0.648 | 0.564 | 0.701 | 0.629 | 0.726 | 0.629 | 0.726 | 0.706 | 0.593 | 0.629 | 0.585 | 0.648 | 0.611 | 0.611 | 0.843 | 0.904 | 0.785 | 0.808 | 0.758 |
| VP | 0.527 | 0.807 | 0.604 | 0.866 | 0.936 | 0.726 | 0.719 | 0.639 | 0.562 | 0.621 | 0.463 | 0.661 | 0.602 | 0.726 | 0.602 | 0.699 | 0.706 | 0.593 | 0.629 | 0.565 | 0.635 | 0.611 | 0.537 | 0.775 | 0.87 | 0.751 | 0.788 | 0.758 |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP | 0.56 | 0.819 | 0.615 | 0.879 | 0.936 | 0.726 | 0.732 | 0.662 | 0.676 | 0.666 | 0.629 | 0.732 | 0.648 | 0.726 | 0.648 | 0.747 | 0.706 | 0.593 | 0.629 | 0.598 | 0.657 | 0.611 | 0.662 | 0.904 | 0.936 | 0.814 | 0.825 | 0.758 |
| Rel. Humidity | 94.1 | 98.5 | 98.2 | 98.5 | 100 | 100 | 98.2 | 96.5 | 83.1 | 93.2 | 73.6 | 90.3 | 92.9 | 100 | 92.9 | 93.6 | 100 | 100 | 100 | 94.5 | 96.7 | 100 | 81.1 | 85.7 | 92.9 | 92.3 | 95.5 | 100 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dew Point (C) | -2 | 3.9 | -0.2 | 4.9 | 6 | 2.4 | 2.3 | 0.6 | -1.1 | 0.2 | -3.8 | 1.1 | -0.2 | 2.4 | -0.2 | 1.9 | 2 | -0.4 | 0.4 | -1.1 | 0.5 | 0 | -1.8 | 3.3 | 5 | 2.9 | 3.5 | 3 |
| Pressure (mb) | 1012.7 | 1005.3 | 1009.4 | 1006.5 | 998.6 | 1013.0 | 1025.4 | 1015.1 | 1013.3 | 1017.3 | 1023.4 | 1024.1 | 1025.3 | 1018.3 | 1008.1 | 993.0 | 991.6 | 992.8 | 994.1 | 997.7 | 991.8 | 987.4 | 994.9 | 991.6 | 990.9 | 984.9 | 994.4 | 985.4 |
| Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | 1 | _ | _ | _ | _ | _ | _ | 1 | _ | 1 | 1 | _ | _ | _ | 1 | _ | _ | 1 | _ | _ | 1 | 1 | 1 | _ | _ | _ | _ | _ |
| fog | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| gales | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |