| 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 |
| Time of Observations (GMT) | 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 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 7.00 | 9.00 | 9.00 | 9.00 |
| Total Cloud (oktas) | 0 | 0 | 0 | 8 | 5 | 1 | 1 | 8 | 6 | 8 | 8 | 8 | 8 | 7 | 8 | 5 | 8 | 8 | 2 | 8 | 7 | 8 |
| Wind | ||||||||||||||||||||||
| Direction | calm | ene | w | ssw | s | s | e | s | ssw | wsw | ssw | nw | wsw | ssw | ssw | sse | ne | wnw | calm | nwn | n | nw |
| Speed (knots) | 0 | 6 | 6 | 15 | 3 | 3 | 7 | 8 | 7 | 17 | 9 | 9 | 16 | 6 | 6 | 6 | 7 | 12 | 0 | 5 | 11 | 11 |
| Weather | 2 | 2 | 2 | 25 | 2 | 2 | 2 | 51 | 1 | 50 | 3 | 3 | 3 | 3 | 20 | 3 | 80 | 2 | 2 | 20 | 2 | 2 |
| Visibility | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 5 | 8 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 7 | 6 | 5 | 6 | 5 |
| Screen (C) | ||||||||||||||||||||||
| Dry Bulb | 9.5 | 14.0 | 13.8 | 11.3 | 10.9 | 13.5 | 18.9 | 13.2 | 10.5 | 10.5 | 9.0 | 8.5 | 9.4 | 9.3 | 6.2 | 12.4 | 8.5 | 9.9 | 11.0 | 13.0 | 11.0 | 10.0 |
| Wet Bulb | 7.0 | 9.0 | 7.9 | 9.4 | 9.0 | 10.8 | 13.2 | 12.4 | 7.5 | 9.8 | 7.4 | 6.4 | 6.7 | 6.9 | 5.4 | 8.7 | 7.7 | 8.2 | 9.8 | 12.5 | 9.7 | 8.9 |
| Max | 6.3 | 17.7 | 16.9 | 16.8 | 18.0 | 20.9 | 21.4 | 17.5 | 13.6 | 16.5 | 13.6 | 12.5 | 13.1 | 10.0 | 12.9 | 15.3 | 11.1 | 13.5 | 18.0 | 17.5 | 15.2 | _ |
| Min | 2.0 | 5.4 | 4.5 | 7.0 | 5.1 | 6.2 | 8.6 | 10.3 | 5.3 | 7.7 | 5.0 | 5.1 | 7.6 | 3.8 | 5.0 | 4.1 | 5.1 | 7.6 | 6.9 | 10.0 | 10.2 | 9.5 |
| Solar Radiation (W/m^2) | 577 | 563 | 470 | 113 | 391 | 472 | 565 | 32 | 197 | 81 | 155 | 327 | 178 | 413 | 70 | 764 | 44 | 199 | 357 | 137 | 123 | 111 |
| Grass & Concrete | ||||||||||||||||||||||
| State of Grass | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 3 | 3 | 3 | 1 | 3 | 1 | 3 | 0 | 1 | 3 | 1 | 1 |
| State of Concrete | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 2 | 0 | 0 |
| Concrete Min (C) | 0.5 | 5.3 | 5.3 | 7.9 | 5.4 | 6.6 | 9.3 | 12.1 | 5.2 | 8.3 | 4.6 | 4.1 | 7.5 | 3.0 | 5.9 | 4.1 | 4.9 | 8.5 | 6.4 | 8.9 | 8.0 | 11.5 |
| Evaporation | ||||||||||||||||||||||
| Piche (ml) | 3.9 | 4.0 | 5.9 | 3.8 | 2.9 | 4.7 | 4.8 | 2.8 | 5.3 | 3.2 | 2.2 | 3.2 | 2.4 | 1.5 | 2.1 | 2.1 | 1.9 | 1.8 | 2.8 | 1.5 | 2.3 | _ |
| Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > |
| Rainfall | ||||||||||||||||||||||
| Total (mm) | _ | _ | tr | 0.2 | _ | _ | 1.2 | 0.4 | 0.3 | 1.6 | 2.7 | 1.8 | 0.5 | 15.4 | 0.9 | 0.5 | 0.1 | _ | 1.0 | 0.0 | 0.0 | _ |
| Duration (hrs) | _ | _ | _ | 0.2 | _ | _ | 1.1 | 0.1 | 0.2 | 1.5 | 0.7 | 3.2 | 0.2 | 12.4 | 0.3 | 0.5 | _ | _ | 1.0 | 0.0 | 0.0 | _ |
| Intensity (mean over 24 hrs, mm/hr) | _ | _ | _ | 1.0 | _ | _ | 1.1 | 4.0 | 1.5 | 1.1 | 3.9 | 0.6 | 2.5 | 1.2 | 3.0 | 1.0 | _ | _ | 1.0 | 0.0 | 0.0 | _ |
| Run of Wind | ||||||||||||||||||||||
| Miles (over 24 hrs) | 54.60 | 56.91 | 147.56 | 128.98 | 45.71 | 52.67 | 62.19 | 176.49 | 68.22 | 251.60 | 126.61 | 158.79 | 115.09 | 74.53 | 126.87 | 48.65 | 91.89 | 56.46 | 120.94 | 125.90 | 31.40 | _ |
| Mean (mph) | 3 | 3.1 | 8 | 7 | 2.5 | 2.9 | 3.4 | 9.6 | 3.7 | 13.6 | 6.9 | 8.6 | 6.2 | 4 | 6.9 | 2.6 | 5 | 3.1 | 6.6 | 6.8 | 1.7 | 0 |
| Gust (mph) | 26 | 15 | 23 | 30 | <15 | 14 | 17 | 26 | 43 | 27 | 33 | 24 | 32 | 26 | 22 | <15 | 20 | 21 | 19 | <15 | 22 | _ |
| Sunshine (hrs) | 10.4 | 11.2 | 10.7 | 6.8 | 4.3 | 9.7 | 10.0 | 6.9 | 2.8 | 4.4 | 3.2 | 2.7 | 4.3 | 2.4 | 2.9 | 4.9 | 0.0 | 0.0 | 9.3 | 0.1 | 0.5 | _ |
| Humidity Statistics | ||||||||||||||||||||||
| Saturated | ||||||||||||||||||||||
| VP(Twb) | 1.002 | 1.149 | 1.066 | 1.18 | 1.149 | 1.296 | 1.518 | 1.441 | 1.037 | 1.212 | 1.03 | 0.962 | 0.982 | 0.995 | 0.897 | 1.126 | 1.052 | 1.088 | 1.212 | 1.45 | 1.204 | 1.141 |
| VP | 0.832 | 0.809 | 0.665 | 1.051 | 1.02 | 1.112 | 1.129 | 1.386 | 0.833 | 1.164 | 0.921 | 0.82 | 0.799 | 0.832 | 0.843 | 0.875 | 0.998 | 0.973 | 1.13 | 1.416 | 1.116 | 1.066 |
| Saturated | ||||||||||||||||||||||
| VP | 1.188 | 1.599 | 1.579 | 1.34 | 1.305 | 1.548 | 2.185 | 1.518 | 1.27 | 1.27 | 1.149 | 1.11 | 1.18 | 1.172 | 0.949 | 1.441 | 1.11 | 1.22 | 1.313 | 1.499 | 1.313 | 1.229 |
| Rel. Humidity | 70 | 50.6 | 42.1 | 78.4 | 78.2 | 71.8 | 51.7 | 91.3 | 65.6 | 91.7 | 80.2 | 73.9 | 67.7 | 71 | 88.8 | 60.7 | 89.9 | 79.8 | 86.1 | 94.5 | 85 | 86.7 |
| Dew Point (C) | 4.3 | 3.9 | 1.2 | 7.7 | 7.3 | 8.5 | 8.7 | 11.8 | 4.3 | 9.2 | 5.8 | 4.1 | 3.7 | 4.3 | 4.5 | 5 | 6.9 | 6.6 | 8.8 | 12.1 | 8.6 | 7.9 |
| Pressure (mb) | 1026.8 | 1025.2 | 1020.7 | 1014.6 | 1021.9 | 1021.7 | 1017.8 | 1004.5 | 1007.0 | 1008.4 | 1009.1 | 1015.5 | 1011.6 | 1005.8 | 991.0 | 1000.2 | 1007.0 | 1007.9 | 1012.5 | 1017.2 | 1019.1 | _ |