| 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 |
| 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 |
| Total Cloud (oktas) | 8 | 0 | 8 | 1 | 1 | 8 | 0 | 8 | 9 | 8 | 8 | 0 | 8 | 2 | 4 | 7 | 0 | 8 | 8 | 8 | 8 |
| Wind | |||||||||||||||||||||
| Direction | sse | wsw | ssw | s | nnw | calm | wsw | nnw | nw | s | se | ssw | sse | sse | s | sse | ssw | ssw | s | ssw | sse |
| Speed (knots) | 18 | 2 | 11 | 7 | 11 | 0 | 14 | 6 | 10 | 2 | 1 | 2 | 6 | 16 | 8 | 10 | 12 | 20 | 25 | 15 | 12 |
| Weather | 63 | 0 | 2 | 1 | 1 | 2 | 0 | 60 | 45 | 11 | 2 | 0 | 20 | 2 | 2 | 21 | 0 | 2 | 2 | 61 | 20 |
| Visibility | 6 | 8 | 6 | 7 | 7 | 4 | 8 | 5 | 2 | 4 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 5 | 6 |
| Screen (C) | |||||||||||||||||||||
| Dry Bulb | 12.3 | 7.9 | 11.0 | 6.0 | 8.1 | 8.1 | 6.8 | 6.2 | 4.9 | 4.0 | 6.4 | 7.5 | 9.1 | 10.2 | 8.6 | 11.6 | 7.1 | 12.5 | 13.0 | 13.0 | 12.2 |
| Wet Bulb | 12.0 | 6.7 | 10.5 | 5.5 | 7.5 | 7.4 | 5.2 | 6.0 | 4.9 | 4.0 | 6.4 | 7.3 | 8.9 | 8.0 | 8.0 | 10.6 | 6.5 | 10.0 | 11.9 | 12.2 | 12.1 |
| Max | 16.5 | 11.5 | 13.0 | 11.8 | 11.5 | 10.3 | 10.4 | 10.0 | 7.2 | 8.1 | 8.6 | 13.2 | 14.8 | 12.4 | 12.8 | 12.5 | 12.1 | 14.3 | 13.5 | 14.0 | _ |
| Min | 10.5 | 5.1 | 6.0 | 4.0 | 6.0 | 7.5 | 3.1 | 3.9 | 3.4 | 2.5 | 4..0 | 6.1 | 7.2 | 8.7 | 5.4 | 6.1 | 6.1 | 6.8 | 11.2 | 11.5 | 6.6 |
| Solar Radiation (W/m^2) | 14 | 141 | 46 | 144 | 148 | 39 | 179 | 55 | 49 | 30 | 18 | 106 | 19 | 114 | 86 | 35 | 70 | 23 | 51 | 11 | 26 |
| Grass & Concrete | |||||||||||||||||||||
| State of Grass | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 0 | 0 | 3 | 3 |
| State of Concrete | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 0 | 1 | 2 | 1 | 0 | 0 | 2 | 2 |
| Concrete Min (C) | 10.1 | 3.4 | 4.9 | 1.7 | 4.5 | 6.6 | 1.5 | 2.3 | 3.6 | 1.9 | 4.4 | 5.6 | 6.1 | 8.6 | 4.3 | 5.1 | 5.0 | 5.4 | 10.6 | 10.9 | 5.6 |
| Evaporation | |||||||||||||||||||||
| Piche (ml) | 1.7 | 1.8 | 1 | 1.5 | 0.9 | 1 | 1.5 | 0.4 | 0.1 | 0.2 | 0.1 | 2.3 | 2 | 2.3 | 1.1 | 2 | 4.5 | 5.8 | 4.7 | 1.8 | _ |
| Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | 2.86 | > | > | > | > | > | > | > | > |
| Rainfall | |||||||||||||||||||||
| Total (mm) | 6.5 | 1.5 | 2.7 | 2.0 | 1.4 | 1.4 | 0.6 | 0.2 | 0.1 | 1.4 | 1.7 | 6.7 | 8.8 | 1.5 | 2.7 | tr | tr | tr | 1.5 | 3.8 | _ |
| Duration (hrs) | 1.8 | 0.8 | 0.5 | 0.6 | 4.0 | 3.0 | 0.8 | _ | _ | 1.5 | 4.0 | 6.7 | 5.1 | 1.7 | 2.7 | _ | _ | _ | 1.5 | 0.6 | _ |
| Intensity (mean over 24 hrs, mm/hr) | 3.6 | 1.9 | 5.4 | 3.3 | 0.4 | 0.5 | 0.8 | _ | _ | 0.9 | 0.4 | 1.0 | 1.7 | 0.9 | 1.0 | _ | _ | _ | 1.0 | 6.3 | _ |
| Run of Wind | |||||||||||||||||||||
| Miles (over 24 hrs) | 119.28 | 113.62 | 104.5 | 113.1 | 93.12 | 86.98 | 89.65 | 81.28 | 145.89 | 220.91 | 273.5 | 66.09 | 329.03 | 220.66 | 71.59 | 304.1 | 273.74 | 414.86 | 202.04 | 314.88 | _ |
| Mean (mph) | 6.5 | 6.2 | 5.7 | 6.1 | 5 | 4.7 | 4.9 | 4.4 | 7.9 | 12 | 14.8 | 3.6 | 17.8 | 12 | 3.9 | 16.5 | 14.8 | 22.5 | 10.9 | 17.1 | 0 |
| Gust (mph) | 38 | 20 | 20 | 22 | 18 | 20 | 18 | 17 | 14 | 14 | 15 | 25 | 40 | 39 | 24 | 36 | 46 | 46 | 44 | 23 | _ |
| Sunshine (hrs) | 1.4 | 4.4 | 2.6 | 4.2 | 1.2 | 0.0 | 5.0 | 1.2 | 1.5 | 0.0 | 0.0 | 1.1 | 0.0 | 0.1 | 3.1 | 2.7 | 3.3 | 0.0 | 0.0 | 2.1 | _ |
| Humidity Statistics | |||||||||||||||||||||
| Saturated | |||||||||||||||||||||
| VP(Twb) | 1.403 | 0.982 | 1.27 | 0.904 | 1.037 | 1.03 | 0.885 | 0.936 | 0.867 | 0.814 | 0.962 | 1.023 | 1.141 | 1.073 | 1.073 | 1.279 | 0.968 | 1.229 | 1.394 | 1.422 | 1.413 |
| VP | 1.383 | 0.901 | 1.236 | 0.87 | 0.996 | 0.983 | 0.777 | 0.922 | 0.867 | 0.814 | 0.962 | 1.009 | 1.127 | 0.924 | 1.032 | 1.211 | 0.927 | 1.059 | 1.319 | 1.367 | 1.406 |
| Saturated | |||||||||||||||||||||
| VP | 1.431 | 1.066 | 1.313 | 0.936 | 1.081 | 1.081 | 0.989 | 0.949 | 0.867 | 0.814 | 0.962 | 1.037 | 1.156 | 1.245 | 1.118 | 1.367 | 1.009 | 1.45 | 1.499 | 1.499 | 1.422 |
| Rel. Humidity | 96.6 | 84.5 | 94.1 | 92.9 | 92.1 | 90.9 | 78.6 | 97.2 | 100 | 100 | 100 | 97.3 | 97.5 | 74.2 | 92.3 | 88.6 | 91.9 | 73 | 88 | 91.2 | 98.9 |
| Dew Point (C) | 11.8 | 5.5 | 10.1 | 5 | 6.9 | 6.7 | 3.3 | 5.8 | 4.9 | 4 | 6.4 | 7.1 | 8.7 | 5.8 | 7.4 | 9.8 | 5.9 | 7.8 | 11.1 | 11.6 | 12 |
| Pressure (mb) | 997.8 | 999.6 | 987.6 | 985.2 | 990.7 | 1002.1 | 994.5 | 1003.0 | 1020.6 | 1013.2 | 1008.1 | 1001.4 | 998.8 | 988.1 | 1003.6 | 994.0 | 1005.0 | 1003.3 | 1008.8 | 1006.3 | 1013.5 |
| Days with | |||||||||||||||||||||
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| fog | _ | _ | _ | _ | _ | 1 | _ | _ | 1 | 1 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| gales | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |