| 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) | 9.00 | 9.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 10.00 |
| Total Cloud (oktas) | 3 | 5 | 8 | 2 | 8 | 8 | 4 | 0 | 8 | 8 | 8 | 0 | 3 | 5 | 9 | 6 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 9 | 6 | 6 | 8 | 8 | 8 | 8 | 7 |
| Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | |
| Direction | nw | nw | ssw | wsw | e | sse | nnw | nnw | ese | wnw | wsw | nnw | calm | sse | sse | nnw | nw | ssw | s | ese | se | se | s | sse | ssw | wsw | s | ssw | calm | se | w |
| Speed (knots) | 12 | 10 | 15 | 9 | 5 | 8 | 7 | 7 | 5 | 6 | 3 | 9 | 0 | 0 | 2 | 8 | 8 | 1 | 3 | 9 | 4 | 7 | 3 | 7 | 11 | 12 | 4 | 3 | 0 | 5 | 2 |
| Weather | 3 | 1 | 2 | 2 | 2 | 21 | 1 | 1 | 1 | 10 | 2 | 0 | 0 | 3 | 55 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 21 | 2 | 1 | 2 | 2 | 10 | 10 | 1 |
| Visibility | 8 | 7 | 8 | 7 | 6 | 5 | 9 | 7 | 6 | 5 | 7 | 8 | 7 | 6 | 3 | 6 | 7 | 7 | 7 | 7 | 5 | 5 | 7 | 4 | 8 | 7 | 7 | 7 | 6 | 6 | 6 |
| Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dry Bulb | 13.4 | 12.5 | 13.4 | 9.5 | 11.4 | 16.1 | 10.6 | 10.6 | 9.8 | 11.2 | 11.5 | 11.1 | 12.5 | 11.4 | 9.5 | 11.5 | 9.6 | 8.4 | 8.8 | 7.6 | 11.2 | 10.2 | 9.2 | 14.0 | 13.7 | 12.5 | 13.6 | 13.6 | 10.8 | 12.0 | 14.4 |
| Wet Bulb | 10.1 | 9.9 | 11.2 | 8.0 | 9.2 | 15.9 | 8.9 | 8.9 | 8.2 | 10.9 | 11.0 | 8.9 | 10.0 | 10.0 | 9.0 | 9.0 | 8.0 | 7.2 | 7.6 | 7.2 | 11.2 | 10.2 | 9.0 | 14.0 | 11.8 | 10.5 | 13.6 | 13.6 | 10.8 | 12.0 | 14.3 |
|   | 17.0 | 14.7 | 17.5 | 15.0 | 15.4 | 19.9 | 12.2 | 14.2 | 14.9 | 16.5 | 15.5 | 14.5 | 14.8 | 16.0 | 12.5 | 13.6 | 11.6 | 13.2 | 12.8 | 12.0 | 14.1 | 13.7 | 16.1 | 16.9 | 15.7 | 14.8 | 16.0 | 16.5 | 16.4 | 14.8 | 16.0 |
| Min | 11.3 | 6.5 | 7.1 | 7.1 | 5.6 | 10.9 | 4.9 | 3.6 | 4.4 | 9.5 | 10.4 | 6.1 | 4.0 | 8.4 | 8.0 | 9.0 | 5.6 | 3.9 | 5.6 | 5.2 | 7.6 | 9.2 | 7.5 | 9.1 | 9.9 | 10.5 | 10.0 | 11.2 | 7.7 | 9.6 | 11.2 |
| Solar Radiation (W/m^2) | 297 | 482 | 62 | 229 | 127 | 116 | 324 | 336 | 120 | 62 | 67 | 322 | 375 | 139 | 90 | 206 | 153 | 173 | 90 | 121 | 45 | 39 | 76 | 40 | 334 | 160 | 83 | 119 | 57 | 131 | 97 |
| Grass & Concrete |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| State of Grass | 0 | 0 | 0 | 1 | 0 | 3 | 3 | 3 | 1 | 3 | 3 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 3 | 1 | 1 | 1 | 3 |
| State of Concrete | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Concrete Min (C) | 11.4 | 6.2 | 2.6 | 6.0 | 5.6 | 10.5 | 3.6 | 1.2 | 3.1 | 2.9 | 10.6 | 5.0 | 3.0 | 7.9 | 8.0 | 9.5 | 4.0 | 2.5 | 4.0 | 3.6 | 6.0 | 7.5 | 6.6 | 9.6 | 9.0 | 9.2 | 8.3 | 9.5 | 7.5 | 7.9 | 9.5 |
| Evaporation |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Piche (ml) | 1.9 | 2.6 | 3.3 | 2.3 | 1.2 | 0.9 | 1.3 | 1.9 | 1 | 2.2 | 2.4 | 1.9 | 1.2 | 1.8 | 0.7 | > | > | > | > | > | 8.6 | 0.9 | 1.1 | 1.8 | 2.5 | > | > | > | > | 5.5 | 0.4 |
| Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | 21.33 | > | > | > | > | > | > | > | > | > |
| Rainfall |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total (mm) | _ | _ | 0.1 | _ | 2.4 | 15.4 | _ | _ | 1.6 | 0.1 | _ | _ | _ | 1.2 | 0.3 | _ | _ | _ | _ | 4.0 | _ | 2.1 | 1.2 | 0.5 | 0.2 | 2.2 | _ | _ | _ | 7.0 | 5.1 |
| Duration (hrs) | _ | _ | 0.1 | _ | 3.0 | 5.6 | _ | _ | 0.4 | 0.4 | _ | _ | _ | 2.0 | 0.7 | _ | _ | _ | _ | 5.6 | _ | 0.4 | 4.5 | 0.4 | 0.2 | 3.2 | _ | _ | _ | 3.9 | 2.9 |
| Intensity (mean over 24 hrs, mm/hr) | _ | _ | 1.0 | _ | 0.8 | 2.8 | _ | _ | 4.0 | 0.3 | _ | _ | _ | 0.6 | 0.4 | _ | _ | _ | _ | 0.7 | _ | 5.3 | 0.3 | 1.3 | 1.0 | 0.7 | _ | _ | _ | 1.8 | 1.8 |
| Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Miles (over 24 hrs) | 76.6 | 119.08 | 144.46 | 48.62 | 50.2 | 135.36 | 55.94 | 57.29 | 59.28 | 84.08 | 159.85 | 8.57 | 50.21 | 22.52 | 126.16 | 213.03 | 79.6 | 73.4 | 147.34 | 145.91 | 109.38 | 67.29 | 67.29 | 159.03 | 131.58 | 80.7 | 129.89 | 35.34 | 84.38 | 139.9 | 169.15 |
| Mean (mph) | 4.1 | 6.5 | 7.8 | 2.6 | 2.7 | 7.3 | 3 | 3.1 | 3.2 | 4.6 | 8.7 | 0.5 | 2.7 | 1.2 | 6.8 | 11.5 | 4.3 | 4 | 8 | 7.9 | 5.9 | 3.6 | 3.6 | 8.6 | 7.1 | 4.4 | 7 | 1.9 | 4.6 | 7.6 | 9.2 |
| Gust (mph) | 16 | 25 | 37 | 17 | 15 | 20 | 15 | 17 | 19 | 19 | 34 | 19 | <15 | <15 | 26 | 31 | 21 | 15 | 23 | 25 | 16 | 17 | 15 | 27 | 28 | 21 | 22 | 15 | <15 | 24 | 29 |
| Sunshine (hrs) | 5.1 | 1.1 | 4.4 | 5.6 | 0.0 | 3.1 | 1.0 | 5.5 | 0.1 | 4.1 | 4.5 | 5.7 | 5.1 | 2.1 | 0.6 | 3.1 | 0.2 | 2.8 | 0.2 | 0.0 | 0.0 | 0.2 | 2.5 | 1.0 | 5.7 | 0.1 | 0.0 | 1.0 | 0.3 | 0.0 | 0.5 |
| Humidity Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP(Twb) | 1.237 | 1.22 | 1.331 | 1.073 | 1.164 | 1.808 | 1.141 | 1.141 | 1.088 | 1.305 | 1.313 | 1.141 | 1.229 | 1.229 | 1.149 | 1.149 | 1.073 | 1.016 | 1.044 | 1.016 | 1.331 | 1.245 | 1.149 | 1.599 | 1.385 | 1.27 | 1.558 | 1.558 | 1.296 | 1.403 | 1.631 |
| VP | 1.012 | 1.043 | 1.181 | 0.971 | 1.014 | 1.794 | 1.025 | 1.025 | 0.979 | 1.285 | 1.279 | 0.991 | 1.059 | 1.134 | 1.115 | 0.979 | 0.964 | 0.935 | 0.963 | 0.989 | 1.331 | 1.245 | 1.135 | 1.599 | 1.255 | 1.134 | 1.558 | 1.558 | 1.296 | 1.403 | 1.624 |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP | 1.538 | 1.45 | 1.538 | 1.188 | 1.349 | 1.831 | 1.279 | 1.279 | 1.212 | 1.331 | 1.358 | 1.322 | 1.45 | 1.349 | 1.188 | 1.358 | 1.196 | 1.103 | 1.133 | 1.044 | 1.331 | 1.245 | 1.164 | 1.599 | 1.569 | 1.45 | 1.558 | 1.558 | 1.296 | 1.403 | 1.641 |
| Rel. Humidity | 65.8 | 71.9 | 76.8 | 81.7 | 75.2 | 98 | 80.1 | 80.1 | 80.8 | 96.5 | 94.2 | 75 | 73 | 84.1 | 93.9 | 72.1 | 80.6 | 84.8 | 85 | 94.7 | 100 | 100 | 97.5 | 100 | 80 | 78.2 | 100 | 100 | 100 | 100 | 99 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dew Point (C) | 7.1 | 7.6 | 9.4 | 6.5 | 7.2 | 15.8 | 7.3 | 7.3 | 6.7 | 10.7 | 10.6 | 6.8 | 7.8 | 8.8 | 8.6 | 6.7 | 6.4 | 6 | 6.4 | 6.8 | 11.2 | 10.2 | 8.8 | 14 | 10.3 | 8.8 | 13.6 | 13.6 | 10.8 | 12 | 14.2 |
| Pressure (mb) | 1019.7 | 1019.9 | 1007.1 | 1011.6 | 1011.2 | 1005.0 | 1021.7 | 1018.8 | 1020.3 | 1013.5 | 1015.0 | 1029.2 | 1031.6 | 1031.5 | 1033.8 | 1034.2 | 1032.2 | 1025.4 | 1014.3 | 997.7 | 996.2 | 996.3 | 1006.5 | 1004.4 | 1008.8 | 1016.5 | 1019.0 | 1017.3 | 1022.1 | 1023.0 | 1019.8 |
| Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| fog | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 | _ | _ | _ | _ | _ | _ | _ |
| gales | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |