| 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 |
| Time of Observations (GMT) | 9.00 | 9.00 | 9.00 | 8.00 | 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) | 3 | 8 | 5 | 7 | 4 | 1 | 4 | 6 | 4 | 9 | 3 | 8 | 8 | 8 | 7 | 8 | 8 | 5 | 3 | 7 | 0 | 8 | 8 | 8 | 6 | 3 | 7 | 7 | 8 | 3 |
| Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Direction | ssw | s | ssw | wsw | ssw | w | n | nne | ese | e | ene | sw | sse | sse | n | n | sw | ssw | wnw | ssw | s | sse | sw | calm | calm | nnw | sse | sse | sse | s |
| Speed (knots) | 9 | 4 | 9 | 3 | 6 | 7 | 9 | 5 | 3 | 1 | 2 | 2 | 3 | 1 | 10 | 8 | 2 | 4 | 8 | 6 | 7 | 1 | 1 | 0 | 0 | 7 | 4 | 4 | 5 | 4 |
| Weather | 1 | 63 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 43 | 2 | 10 | 1 | 20 | 10 | 10 | 10 | 1 | 1 | 2 | 0 | 15 | 12 | 21 | 10 | 2 | 1 | 1 | 11 | 2 |
| Visibility | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 3 | 8 | 5 | 5 | 5 | 7 | 5 | 5 | 7 | 7 | 6 | 7 | 5 | 3 | 6 | 5 | 7 | 5 | 7 | 5 | 7 |
| Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dry Bulb | 16.9 | 14.6 | 20.4 | 15.5 | 21.8 | 19.1 | 15.8 | 15.2 | 15.9 | 12.5 | 19.6 | 16.0 | 19.0 | 19.0 | 16.8 | 16.5 | 15.9 | 17.1 | 14.9 | 17.4 | 21.5 | 16.3 | 14.5 | 16.0 | 16.8 | 15.8 | 16.0 | 17.4 | 17.2 | 14.8 |
| Wet Bulb | 15.0 | 14.0 | 18.4 | 14.0 | 18.4 | 16.1 | 13.1 | 12.2 | 14.0 | 12.4 | 15.8 | 15.7 | 17.9 | 18.5 | 15.0 | 15.8 | 14.9 | 14.9 | 12.6 | 15.5 | 17.4 | 15.9 | 14.3 | 15.9 | 15.7 | 14.5 | 15.0 | 15.8 | 16.6 | 14.0 |
| Max | 23.5 | 20.4 | 24.6 | 23.0 | 24.5 | 27.0 | 20.4 | 20.1 | 22.5 | 26.5 | 29.3 | 23.5 | 25.5 | 21.0 | 21.5 | 20.0 | 23.7 | 19.6 | 19.0 | 23.0 | 28.6 | 17.4 | 22.0 | 22.0 | 20.2 | 20.4 | 19.7 | 20.6 | 18.5 | 18.6 |
| Min | 14.5 | 13.7 | 14.4 | 12.5 | 15.5 | 16.0 | 11.0 | 7.5 | 8.7 | 9.2 | 12.0 | 14.6 | 15.8 | 16.3 | 13.0 | 14.7 | 14.6 | 15.5 | 10.6 | 10.8 | 15.8 | 14.5 | 12.0 | 13.8 | 12.1 | 11.8 | 10.5 | 15.4 | 14.0 | 9.9 |
| Ground Observations (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Grass Min | 12.3 | 11.6 | 12.9 | 8.5 | 12.2 | 12.7 | 6.8 | 3.9 | 5.1 | 4.9 | 8.8 | 11.0 | 13.0 | 14.6 | 10.9 | 11.2 | 11.9 | 14.2 | _ | 6.3 | 11.3 | 13.1 | 8.6 | 13.0 | 9.7 | 8.3 | 7.8 | 12.2 | 12.5 | 6.4 |
| Conc. Min | 13.0 | 12.4 | 13.5 | 10.6 | 14.1 | 14.3 | 9.6 | 6.5 | 7.5 | 8.1 | 11.4 | 12.9 | 14.5 | 15.4 | 12.0 | 14.3 | 13.6 | 16.0 | _ | 9.0 | 13.0 | 13.9 | 10.2 | 14.1 | 11.0 | 9.6 | 8.5 | 12.7 | 12.8 | 7.7 |
| Bare Earth Min | 13.5 | 12.5 | 14.1 | 11.0 | 14.6 | 14.5 | 8.9 | 5.9 | 7.0 | 7.3 | 9.5 | 12.6 | 12.2 | 15.6 | 11.1 | 14.4 | 14.1 | 15.1 | _ | 7.5 | 13.1 | 13.9 | 11.1 | 14.5 | 11.3 | 10.5 | 9.8 | 13.5 | 13.1 | 7.6 |
| Soil/Earth Temperatures (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Surface | 17.2 | 15.1 | 19.6 | 15.9 | 19.7 | 16.3 | 15.5 | 15.2 | 14.8 | 15.0 | 17.6 | 17.4 | 19.0 | 19.5 | 17.0 | 17.3 | 16.1 | 18.0 | 14.6 | 16.3 | 16.5 | 16.8 | 15.1 | 17.0 | 16.2 | 14.9 | 15.5 | 16.0 | 16.6 | 13.5 |
| 5cm | 16.1 | 14.8 | 17.3 | 15.5 | 17.6 | 17.5 | 15.8 | 14.1 | 14.0 | 14.4 | 15.8 | 17.1 | 18.0 | 18.2 | 16.6 | 17.1 | 17.1 | 17.6 | 14.7 | 14.7 | 15.7 | 16.3 | 14.6 | 16.1 | 15.3 | 14.6 | 14.3 | 15.7 | 15.6 | 13.7 |
| 10cm | 16.5 | 16.2 | 17.6 | 16.0 | 18.0 | 18.1 | 15.5 | 14.2 | 14.4 | 14.7 | 16.2 | 17.6 | 18.2 | 18.4 | 16.8 | 17.5 | 17.6 | 17.7 | 15.1 | 14.9 | 16.0 | 16.8 | 15.1 | 15.8 | 15.5 | 15.0 | 14.6 | 16.0 | 15.2 | 14.2 |
| 20cm | 16.6 | 17.6 | 16.9 | 17.0 | 17.8 | 18.2 | 17.1 | 15.4 | 15.7 | 15.6 | 16.5 | 17.6 | 17.9 | 18.4 | 17.0 | 17.6 | 17.8 | 17.1 | 15.8 | 15.1 | 16.2 | 16.4 | 15.6 | 15.5 | 15.2 | 15.6 | 14.8 | 15.9 | 15.9 | 15.1 |
| 30cm | 17.4 | 17.4 | 17.3 | 17.6 | 18.1 | 18.6 | 17.3 | 15.9 | 16.7 | 16.6 | 17.5 | 17.9 | 17.5 | 18.5 | 17.8 | 18.0 | 18.0 | 17.2 | 16.3 | 15.4 | 16.4 | 16.1 | 16.4 | 16.0 | 15.7 | 15.8 | 15.4 | 16.0 | 15.8 | 16.2 |
| 40cm | 17.1 | 17.3 | 17.2 | 17.4 | 17.8 | 18.4 | 17.2 | 16.9 | 16.5 | 16.3 | 16.8 | 17.7 | 17.7 | 18.4 | 17.7 | 17.9 | 18.0 | 17.3 | 16.4 | 15.9 | 15.6 | 16.2 | 16.4 | 16.0 | 16.0 | 15.9 | 16.1 | 15.9 | 16.0 | 16.2 |
| 50cm | 17.3 | 17.6 | 17.3 | 17.8 | 17.9 | 18.4 | 17.6 | 17.3 | 17.1 | 16.9 | 16.4 | 17.7 | 18.2 | 18.5 | 18.0 | 18.0 | 18.0 | 17.3 | 17.0 | 16.5 | 15.9 | 16.5 | 16.5 | 16.5 | 16.9 | 16.4 | 16.3 | 16.1 | 16.0 | 16.0 |
| 100cm | 16.5 | 16.5 | 16.6 | 16.6 | 16.6 | 16.6 | 16.8 | 16.8 | 16.8 | 16.6 | 16.4 | 16.5 | 16.8 | 16.8 | 16.8 | 16.8 | 16.9 | 16.8 | 16.7 | 16.3 | 16.8 | 16.7 | 16.5 | 16.4 | 16.5 | 16.2 | 16.0 | 16.2 | 16.2 | 16.1 |
| State of the Ground |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Without snow | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| With snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| Snow depth | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| State of the Grass | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 1 | 1 | 1 | 3 | 3 | 1 |
| State of the Concrete | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 |
| Tank |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Evaporation (mm) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Evap. over interval | > | > | > | 11.72 | > | > | > | > | > | 17.98 | 2.56 | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | 35.31 |
| Rainfall (mm) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total | 0.5 | 2.0 | tr(w) | tr | _ | _ | _ | _ | _ | tr(w) | 1.3 | 0.3 | 7.7 | 0.2 | _ | _ | 0.3 | 0.1 | _ | _ | 3.2 | 15.3 | 3.1 | tr(w) |   | _ | 0.1 | 2.1 | 6.0 | 7.3 |
| Duration (hrs) | 1.1 | 1.2 | _ | _ | _ | _ | _ | _ | _ | _ | 1.9 | 0.4 | 3.1 | 0.1 | _ | _ | 0.1 | 0.1 | _ | _ | 2.8 | 4.8 | 1.1 | _ | _ | _ | 0.1 | 1.3 | 2.6 | 2.2 |
| Intensity (mean over 24 hrs, mm/hr) | 0.5 | 1.7 | _ | _ | _ | _ | _ | _ | _ | _ | 0.7 | 0.8 | 2.5 | 2.0 | _ | _ | 3.0 | 1.0 | _ | _ | 1.1 | 3.2 | 2.8 | _ | _ | _ | 1.0 | 1.6 | 2.3 | 3.3 |
| Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Miles (over 24 hrs) | 108.17 | 178.66 | 129.81 | 93.52 | 100.61 | 131.6 | 85.31 | 54.11 | 52.7 | 44.28 | 48.59 | 51.78 | 54.34 | 72.5 | 114.9 | 53.28 | 54.13 | 123.1 | 106.39 | 127.24 | 103.66 | 46.7 | 41.2 | 36.41 | 47.02 | 60.41 | 44.57 | 168.63 | 64.02 | 81.28 |
| Mean (mph) | 5.9 | 9.7 | 7 | 5.1 | 5.4 | 7.1 | 4.6 | 2.9 | 2.9 | 2.4 | 2.6 | 2.8 | 2.9 | 3.9 | 6.2 | 2.9 | 2.9 | 6.7 | 5.8 | 6.9 | 5.6 | 2.5 | 2.2 | 2 | 2.5 | 3.3 | 2.4 | 9.1 | 3.5 | 4.4 |
| Gust (mph) | 20 | 34 | 34 | 18 | 21 | 22 | 22 | <15 | 15 | <15 | 19 | <15 | <15 | 20 | 24 | 16 | <15 | 20 | 21 | 22 | 28 | <15 | <15 | <15 | <15 | <15 | 20 | <15 | 16 | 21 |
| Sunshine (hrs) | 7.2 | 0.0 | 9.4 | 5.0 | 9.1 | 8.4 | 8.2 | 7.7 | 8.3 | 7.3 | 8.1 | 2.3 | 5.5 | 1.4 | 5.5 | 0.3 | 5.2 | 5.8 | 6.2 | 4.5 | 7.3 | 0.0 | 6.7 | 6.0 | 0.3 | 4.9 | 2.4 | 2.3 | 2.0 | 4.6 |
| Humidity Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP(Twb) | 1.706 | 1.599 | 2.118 | 1.599 | 2.118 | 1.831 | 1.508 | 1.422 | 1.599 | 1.441 | 1.796 | 1.785 | 2.052 | 2.131 | 1.706 | 1.796 | 1.695 | 1.695 | 1.46 | 1.762 | 1.988 | 1.808 | 1.631 | 1.808 | 1.785 | 1.652 | 1.706 | 1.796 | 1.89 | 1.599 |
| VP | 1.576 | 1.558 | 1.981 | 1.496 | 1.884 | 1.625 | 1.324 | 1.217 | 1.469 | 1.434 | 1.536 | 1.764 | 1.976 | 2.097 | 1.583 | 1.748 | 1.627 | 1.544 | 1.303 | 1.632 | 1.707 | 1.781 | 1.617 | 1.801 | 1.71 | 1.563 | 1.638 | 1.686 | 1.849 | 1.544 |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP | 1.927 | 1.663 | 2.398 | 1.762 | 2.613 | 2.212 | 1.796 | 1.728 | 1.808 | 1.45 | 2.282 | 1.819 | 2.199 | 2.199 | 1.914 | 1.878 | 1.808 | 1.951 | 1.695 | 1.988 | 2.566 | 1.854 | 1.652 | 1.819 | 1.914 | 1.796 | 1.819 | 1.988 | 1.963 | 1.684 |
| RH % | 81.8 | 93.7 | 82.6 | 84.9 | 72.1 | 73.5 | 73.7 | 70.4 | 81.3 | 98.9 | 67.3 | 97 | 89.9 | 95.4 | 82.7 | 93.1 | 90 | 79.1 | 76.9 | 82.1 | 66.5 | 96.1 | 97.9 | 99 | 89.3 | 87 | 90 | 84.8 | 94.2 | 91.7 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dew Point (C) | 13.8 | 13.6 | 17.3 | 13 | 16.5 | 14.2 | 11.1 | 9.9 | 12.7 | 12.3 | 13.4 | 15.5 | 17.3 | 18.2 | 13.8 | 15.4 | 14.3 | 13.5 | 10.9 | 14.3 | 15 | 15.7 | 14.2 | 15.8 | 15 | 13.6 | 14.4 | 14.8 | 16.3 | 13.5 |
| Pressure (mb) | 1013.0 | 1008.2 | 1004.1 | 1021.4 | 1023.1 | 1016.5 | 1021.7 | 1032.7 | 1027.7 | 1022.3 | 1018.2 | 1016.1 | 1009.4 | 1001.9 | 1011.8 | 1012.2 | 1012.1 | 1012.2 | 1012.5 | 1010.1 | 1004.1 | 1005.0 | 1011.1 | 1004.3 | 1008.0 | 1016.8 | 1013.3 | 1007.3 | 1002.5 | 1006.0 |
| Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| fog | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ |