| 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 | 29th | 30th | 31st |
| Time of Observations (GMT) | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 7.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 |
| Total Cloud (oktas) | 8 | 6 | 5 | 1 | 4 | 3 | 8 | 9 | 9 | 1 | 2 | 6 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 7 | 8 | 8 | 3 | 6 | 4 | 8 | 8 | 4 | 5 | 6 | 2 |
| Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Direction | wnw | sw | ssw | e | w | s | calm | e | n | n | n | ssw | wnw | calm | e | wnw | s | sw | sw | ssw | s | s | wsw | sw | nnw | wsw | s | wnw | nnw | n | nnw |
| Speed (knots) | 9 | 11 | 9 | 6 | 3 | 1 | 0 | 5 | 2 | 7 | 1 | 2 | 4 | 0 | 1 | 1 | 4 | 11 | 14 | 8 | 6 | 9 | 7 | 11 | 3 | 9 | 7 | 9 | 10 | 10 | 11 |
| Weather | 50 | 1 | 1 | 5 | 1 | 2 | 10 | 61 | 45 | 2 | 2 | 2 | 42 | 10 | 40 | 2 | 2 | 50 | 1 | 1 | 2 | 63 | 1 | 3 | 1 | 2 | 61 | 2 | 2 | 2 | 2 |
| Visibility | 8 | 7 | 8 | 7 | 8 | 7 | 5 | 5 | 5 | 7 | 7 | 7 | 4 | 6 | 4 | 8 | 6 | 6 | 7 | 7 | 7 | 5 | 8 | 7 | 8 | 8 | 7 | 7 | 8 | 8 | 8 |
| Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dry Bulb | 9.5 | 12.5 | 14.5 | 19.3 | 17.0 | 15.1 | 11.5 | 13.1 | 12.7 | 15.6 | 16.3 | 19.7 | 13.6 | 10.8 | 13.1 | 14.5 | 15.1 | 15.3 | 12.5 | 12.0 | 12.4 | 12.0 | 11.2 | 12.0 | 10.9 | 14.9 | 14.6 | 13.0 | 12.8 | 10.1 | 11.6 |
| Wet Bulb | 9.1 | 8.9 | 12.4 | 16.6 | 12.8 | 10.6 | 11.1 | 12.0 | 12.2 | 12.5 | 12.1 | 12.9 | 13.0 | 10.0 | 12.5 | 12.5 | 13.3 | 12.8 | 11.2 | 10.2 | 11.6 | 11.5 | 8.0 | 9.4 | 9.4 | 14.4 | 13.3 | 10.4 | 10.0 | 7.6 | 8.1 |
| Max | 12.6 | 15.9 | 19.5 | 26.8 | 20.1 | 18.5 | 15.9 | 16.1 | 19.1 | 20.9 | 21.6 | 23.6 | 14.6 | 15.2 | 16.5 | 16.4 | 16.7 | 16.5 | 15.4 | 14.4 | 15.1 | 17.4 | 14.6 | 14.0 | 16.6 | 19.0 | 16.0 | 17.1 | 14.4 | 14.1 | 15.5 |
| Min | 6.7 | 2.5 | 9.0 | 10.4 | 9.9 | 6.9 | 10.3 | 9.8 | 11.4 | 6.8 | 5.3 | 7.1 | 10.6 | 9.1 | 9.4 | 8.8 | 9.0 | 10.6 | 10.1 | 9.3 | 8.7 | 9.6 | 5.1 | 8.0 | 8.1 | 10.1 | 12.6 | 8.4 | 8.3 | 4.4 | 3.6 |
| Ground Observations (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Grass Min | 6.8 | -1.0 | 5.1 | 6.0 | 5.5 | 2.5 | 7.5 | 7.1 | 10.9 | 5.9 | 2.5 | 4.6 | 8.0 | 7.6 | 5.9 | 4.9 | 5.6 | 7.8 | 8.0 | 7.1 | 6.8 | 7.0 | 3.6 | 5.7 | 7.1 | 7.5 | 9.7 | 5.3 | 6.6 | 1.7 | 0.9 |
| Conc. Min | 8.1 | 6.0 | 8.7 | 10.9 | 10.0 | 7.8 | 11.1 | 10.5 | 11.9 | 7.4 | 6.9 | 8.6 | 11.8 | 10.5 | 10.5 | 9.0 | 7.5 | 9.9 | 10.6 | 9.6 | 10.0 | 9.4 | 6.7 | 8.1 | 9.9 | 11.6 | 12.1 | 8.6 | 10.4 | 6.2 | 5.4 |
| Bare Earth Min | 8.0 | 3.9 | 8.4 | 9.0 | 9.9 | 7.0 | 11.0 | 9.9 | 12.0 | 6.1 | 5.6 | 5.9 | 11.4 | 10.1 | 10.4 | 8.1 | 9.3 | 10.0 | 9.9 | 9.6 | 9.9 | 9.5 | 6.4 | 7.9 | 9.4 | 11.0 | 12.2 | 8.7 | 9.6 | 7.0 | 5.3 |
| Soil/Earth Temperatures (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Surface | 10.3 | 11.2 | 13.4 | 15.9 | 16.0 | 14.6 | 13.1 | 13.5 | 13.2 | 14.5 | 14.5 | 15.5 | 15.4 | 12.8 | 13.7 | 14.6 | 15.6 | 14.6 | 12.4 | 13.8 | 13.5 | 13.2 | 13.2 | 13.1 | 14.4 | 14.9 | 14.9 | 13.8 | 15.0 | 12.2 | 12.6 |
| 5cm | 10.3 | 9.6 | 11.4 | 13.2 | 14.6 | 13.2 | 13.3 | 13.1 | 12.9 | 12.4 | 13.8 | 14.1 | 15.0 | 13.1 | 13.0 | 13.6 | 13.7 | 13.8 | 12.5 | 12.8 | 12.7 | 12.6 | 12.0 | 12.1 | 12.9 | 13.9 | 14.3 | 12.9 | 13.8 | 11.9 | 11.4 |
| 10cm | 10.6 | 9.7 | 11.5 | 13.4 | 14.8 | 13.6 | 13.7 | 13.2 | 13.2 | 11.9 | 13.1 | 14.2 | 15.3 | 13.4 | 13.2 | 13.7 | 13.7 | 13.9 | 12.8 | 13.1 | 13.0 | 12.8 | 12.2 | 12.2 | 13.0 | 14.1 | 14.6 | 13.2 | 14.1 | 12.3 | 11.6 |
| 20cm | 11.1 | 10.1 | 10.9 | 12.4 | 14.3 | 14.0 | 13.9 | 13.3 | 13.5 | 12.3 | 13.4 | 14.3 | 15.2 | 14.0 | 13.4 | 13.4 | 14.3 | 13.7 | 13.4 | 13.4 | 13.4 | 12.8 | 13.1 | 12.5 | 12.9 | 13.9 | 14.4 | 13.7 | 14.4 | 13.2 | 12.6 |
| 30cm | 11.6 | 11.0 | 11.4 | 12.5 | 14.0 | 14.2 | 14.0 | 13.4 | 13.6 | 12.7 | 13.8 | 14.5 | 15.2 | 14.5 | 14.0 | 14.0 | 14.8 | 14.0 | 14.1 | 13.9 | 13.9 | 12.5 | 13.4 | 13.2 | 13.5 | 14.2 | 14.6 | 14.4 | 14.7 | 14.1 | 13.7 |
| 40cm | 11.4 | 11.2 | 11.0 | 12.0 | 13.6 | 13.9 | 13.6 | 13.4 | 13.6 | 12.9 | 13.9 | 14.5 | 14.8 | 14.1 | 13.6 | 13.6 | 13.6 | 13.8 | 13.7 | 13.6 | 13.6 | 13.2 | 13.1 | 13.0 | 13.2 | 13.9 | 14.4 | 14.2 | 14.6 | 13.7 | 13.3 |
| 50cm | 11.6 | 11.2 | 11.1 | 12.1 | 13.5 | 13.9 | 13.6 | 13.7 | 13.7 | 13.1 | 14.1 | 14.6 | 14.6 | 14.3 | 13.9 | 13.5 | 13.9 | 13.9 | 14.0 | 13.9 | 13.8 | 13.6 | 13.5 | 13.4 | 13.4 | 14.0 | 14.3 | 14.3 | 14.5 | 14.2 | 13.9 |
| 100cm | 9.8 | 10.0 | 10.0 | 10.2 | 10.5 | 10.8 | 11.0 | 11.0 | 11.1 | 10.5 | 11.6 | 11.9 | 11.8 | 12.0 | 12.0 | 12.0 | 12.2 | 12.2 | 12.2 | 12.3 | 12.2 | 12.2 | 12.3 | 12.2 | 12.2 | 12.3 | 12.4 | 12.6 | 12.7 | 12.7 | 12.7 |
| State of the Ground |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Without snow | 2 | 1 | 1 | 0 | 1 | 9 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| With snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| Snow depth | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| State of the Grass | 3 | 1 | 1 | 1 | 1 | 1 | 3 | 2 | 3 | 2 | 0 | 0 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 1 | 3 | 1 | 1 | 3 | 1 | 1 |
| State of the Concrete | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| Evaporation (mm) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Hook-gauge reading | 58.74 | _ | _ | _ | _ | _ | _ | _ | _ |   | _ | _ | 57.03 | _ | _ | _ | _ | _ | _ | 59.06 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 72.82 |
| Total evaporation (less rainfall) | > | > | > | > | > | > | > | > | > | > | > | > | 21.51 | > | > | > | > | > | > | 20.67 | > | > | > | > | > | > | > | > | > | > | 24.64 |
| Rainfall (mm) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total | 0.1 | tr | 0.5 | _ | _ | 1.6 | 0.3 | 10.7 | tr | _ | _ | 6.6 | 0.1 | 1.0 | 1.1 | tr | 5.8 | 5.6 | 9.1 | 2.8 | 8.9 | 7.2 | 1.1 | 2.7 | 9.1 | 0.1 | 3.0 | 0.2 | 3.2 | 0.1 | tr |
| Duration (hrs) | 0.1 | _ | 0.2 | _ | _ | 1.2 | 0.3 | 5.8 | _ | _ | _ | 4.9 | 0.1 | 0.8 | 0.6 | _ | 6.6 | 3.1 | 5.0 | 3.0 | 7.5 | 4.2 | 0.4 | 5.7 | 5.9 | _ | 2.9 | 0.8 | 0.7 | _ | _ |
| Intensity (mean over 24 hrs, mm/hr) | 1.0 | _ | 2.5 | _ | _ | 1.3 | 1.0 | 1.8 | _ | _ | _ | 1.3 | 1.0 | 1.3 | 1.8 | _ | 0.9 | 1.8 | 1.8 | 0.9 | 1.2 | 1.7 | 2.8 | 0.5 | 1.5 | _ | 1.0 | 0.3 | 4.6 | _ | _ |
| Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Miles (over 24 hrs) | 122.47 | 163.17 | 160.92 | 94.74 | 52.95 | 27.59 | 85.34 | 47.76 | 87.54 | 80.66 | 31.7 | 60.35 | 57.15 | 49.79 | 100.01 | 92.13 | 132.99 | 204.72 | 187.42 | 99.87 | 138.96 | 125.86 | 167.02 | 95.78 | 67.32 | 122.05 | 95.06 | 116.04 | 132.91 | 147.37 | 94.32 |
| Mean (mph) | 6.6 | 8.8 | 8.7 | 5.1 | 2.9 | 1.5 | 4.6 | 2.6 | 4.7 | 4.4 | 1.7 | 3.3 | 3.1 | 2.7 | 5.4 | 5 | 7.2 | 11.1 | 10.2 | 5.4 | 7.5 | 6.8 | 9 | 5.2 | 3.6 | 6.6 | 5.1 | 6.3 | 7.2 | 8 | 5.1 |
| Gust (mph) | 26 | 28 | 21 | 20 | 15 | <15 | 19 | 16 | 19 | 18 | <15 | 21 | <15 | <15 | 18 | <15 | 29 | 32 | 35 | 27 | 24 | 27 | 29 | 30 | 20 | 25 | 19 | 23 | 35 | 31 | 27 |
| Sunshine (hrs) | 6.2 | 4.0 | 9.8 | 10.7 | 9.3 | 4.8 | 2.8 | 0.1 | 7.0 | 12.7 | 11.8 | 9.9 | 0.0 | 0.0 | 2.8 | 0.1 | 0.0 | 6.7 | 4.4 | 2.5 | 2.1 | 3.4 | 9.2 | 5.4 | 10.0 | 3.0 | 2.9 | 9.2 | 7.5 | 8.6 | 10.8 |
| Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP(Twb) | 1.156 | 1.141 | 1.441 | 1.89 | 1.479 | 1.279 | 1.322 | 1.403 | 1.422 | 1.45 | 1.413 | 1.489 | 1.499 | 1.229 | 1.45 | 1.45 | 1.528 | 1.479 | 1.331 | 1.245 | 1.367 | 1.358 | 1.073 | 1.18 | 1.18 | 1.641 | 1.528 | 1.262 | 1.229 | 1.044 | 1.081 |
| VP | 1.129 | 0.896 | 1.298 | 1.705 | 1.192 | 0.973 | 1.295 | 1.328 | 1.388 | 1.238 | 1.127 | 1.025 | 1.458 | 1.175 | 1.409 | 1.314 | 1.405 | 1.308 | 1.242 | 1.122 | 1.312 | 1.324 | 0.856 | 1.003 | 1.078 | 1.607 | 1.439 | 1.085 | 1.038 | 0.874 | 0.843 |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP | 1.188 | 1.45 | 1.652 | 2.24 | 1.939 | 1.717 | 1.358 | 1.508 | 1.469 | 1.773 | 1.854 | 2.296 | 1.558 | 1.296 | 1.508 | 1.652 | 1.717 | 1.739 | 1.45 | 1.403 | 1.441 | 1.403 | 1.331 | 1.403 | 1.305 | 1.695 | 1.663 | 1.499 | 1.479 | 1.237 | 1.367 |
| RH % | 95 | 61.8 | 78.6 | 76.1 | 61.5 | 56.7 | 95.4 | 88.1 | 94.5 | 69.8 | 60.8 | 44.6 | 93.6 | 90.7 | 93.4 | 79.5 | 81.8 | 75.2 | 85.7 | 80 | 91 | 94.4 | 64.3 | 71.5 | 82.6 | 94.8 | 86.5 | 72.4 | 70.2 | 70.7 | 61.7 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dew Point (C) | 8.7 | 5.4 | 10.8 | 15 | 9.6 | 6.6 | 10.8 | 11.2 | 11.8 | 10.1 | 8.7 | 7.3 | 12.6 | 9.3 | 12.1 | 11 | 12 | 10.9 | 10.2 | 8.7 | 11 | 11.1 | 4.7 | 7 | 8.1 | 14.1 | 12.4 | 8.2 | 7.5 | 5 | 4.5 |
| Pressure (mb) | 997.3 | 1007.7 | 1013.0 | 1014.9 | 1020.5 | 1020.9 | 1018.2 | 1009.6 | 1018.2 | 1020.5 | 1020.3 | 1016.3 | 1015.3 | 1023.0 | 1013.2 | 1015.1 | 1016.9 | 1006.0 | 997.9 | 986.9 | 999.0 | 985.0 | 1013.8 | 1012.1 | 1015.9 | 1012.8 | 1019.3 | 1020.9 | 1014.9 | 1021.4 | 1026.3 |
| Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| fog | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |