| 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 | 8.00 | 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 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 |
| Total Cloud (oktas) | 3 | 5 | 4 | 6 | 6 | 8 | 4 | 8 | 5 | 8 | 2 | 8 | 1 | 4 | 8 | 8 | 8 | 5 | 7 | 4 | 8 | 7 | 7 | 6 | 7 | 7 | 1 | 8 | 3 | 6 |
| Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Direction | s | ne | nne | nne | nne | nnw | ssw | ssw | wnw | nnw | wnw | se | w | se | se | w | sse | ssw | nw | calm | ssw | sw | sw | wnw | wnw | s | sse | nnw | nw | nw |
| Speed (knots) | 9 | 3 | 12 | 14 | 14 | 22 | 6 | 6 | 5 | 7 | 10 | 7 | 8 | 5 | 11 | 7 | 8 | 13 | 6 | 0 | 9 | 13 | 13 | 7 | 9 | 8 | 8 | 12 | 10 | 5 |
| Weather | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 61 | 1 | 2 | 2 | 50 | 2 | 80 | 3 | 3 | 2 | 1 | 2 | 3 | 1 | 2 | 1 | 3 | 1 | 3 |
| Visibility | 7 | 7 | 7 | 8 | 7 | 6 | 7 | 6 | 7 | 7 | 8 | 7 | 7 | 8 | 6 | 7 | 6 | 8 | 8 | 8 | 6 | 7 | 7 | 7 | 8 | 7 | 8 | 6 | 7 | 7 |
| Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dry Bulb | 15.6 | 18.8 | 16.1 | 15.6 | 13.5 | 11.0 | 14.0 | 15.0 | 15.0 | 12.0 | 12.9 | 12.1 | 17.3 | 17.9 | 16.9 | 14.1 | 13.8 | 14.5 | 13.1 | 17.2 | 16.0 | 15.9 | 15.4 | 15.4 | 17.9 | 15.6 | 27.0 | 17.0 | 16.1 | 16.0 |
| Wet Bulb | 11.6 | 15.6 | 15.4 | 12.7 | 10.3 | 9.6 | 11.2 | 11.1 | 10.1 | 8.1 | 8.6 | 9.6 | 14.5 | 13.0 | 14.3 | 11.1 | 11.3 | 12.0 | 11.0 | 12.0 | 13.5 | 13.5 | 12.1 | 10.9 | 16.3 | 15.0 | 23.9 | 14.5 | 14.3 | 12.0 |
| Max | 20.2 | 23.6 | 23.8 | 22.6 | 16.1 | 16.0 | 17.2 | 18.0 | 17.9 | 15.7 | 17.5 | 18.8 | 21.1 | 21.5 | 19.8 | 18.6 | 15.4 | 17.5 | 18.0 | 20.5 | 20.2 | 19.6 | 17.2 | 18.5 | 23.0 | 27.9 | 29.4 | 17.5 | 18.5 | 20.0 |
| Min | 6.4 | 10.8 | 11.6 | 10.6 | 9.5 | 8.6 | 7.6 | 7.0 | 8.0 | 6.5 | 6.5 | 5.1 | 10.1 | 8.5 | 13.0 | 10.2 | 8.6 | 9.4 | 9.6 | 7.4 | 13.0 | 12.5 | 10.9 | 6.5 | 9.8 | 13.8 | 15.7 | 13.6 | 7.0 | 8.4 |
| Solar Radiation (W/m^2) | 610 | 752 | 577 | 234 | 644 | 160 | 787 | 292 | 806 | 318 | 625 | 250 | 663 | 707 | 183 | 138 | 282 | 697 | 273 | 704 | 104 | 334 | 259 | 195 | 329 | 292 | 611 | 172 | 702 | 429 |
| Grass & Concrete |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| State of Grass | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 1 | 3 | 3 | 3 | 1 | 0 | 0 | 3 | 1 | 0 | 3 | 0 | 0 | 1 | 0 | 1 |
| State of Concrete | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Concrete Min (C) | 5.6 | 11.3 | 12.0 | 11.0 | 10.3 | 9.5 | 7.8 | 8.0 | 8.0 | 7.5 | _ | 5.7 | 9.6 | 8.5 | 13.6 | 10.3 | 8.2 | 9.6 | 9.4 | 8.0 | 13.0 | 12.0 | 11.0 | 8.0 | 11.1 | 15.4 | 17.5 | 15.0 | 7.0 | _ |
| Evaporation |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Piche (ml) | _ | _ | 3.6 | 3.9 | 4.1 | 2.2 | 4.2 | 4.1 | 4.8 | 1.9 | 4.2 | 0.9 | 3.2 | 4.9 | 2.5 | 3.2 | 1.3 | 2.5 | 4.8 | 2.6 | 4.4 | 3.6 | 3.8 | 2.4 | 2.3 | 5.8 | 5.4 | 2.9 | 3.7 | 4.1 |
| Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | 42.3 | > | > | > | > | > | > | > | > | > | > | > | > | 50.9 |
| Rainfall |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total (mm) | _ | _ | _ | _ | 0.9 | _ | tr | 2.2 | _ | 0.2 | tr | 8.2 | _ | 0.1 | 2.3 | 0.6 | 6.4 | 3.3 | _ | 0.8 | tr | 1.2 | 0.2 | 8.5 | 0.1 | _ | _ | tr | tr | 0.1 |
| Duration (hrs) | _ | _ | _ | _ | 1.1 | _ | 0.1 | 0.2 | _ | 0.3 | _ | 9.1 | _ | 0.1 | 1.0 | 0.5 | 9.3 | 0.3 | _ | 0.7 | _ | 0.7 | 0.4 | 8.7 | _ | _ | _ | _ | _ | 0.1 |
| Intensity (mean over 24 hrs, mm/hr) | _ | _ | _ | _ | 0.8 | _ | 0.0 | 11.0 | _ | 0.7 | _ | 0.9 | _ | 1.0 | 2.3 | 1.2 | 0.7 | 11.0 | _ | 1.1 | _ | 1.8 | 0.6 | 1.0 | _ | _ | _ | _ | _ | 1.0 |
| Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Miles (over 24 hrs) | 96.22 | 98.62 | 119.33 | 170.74 | 93.11 | 68.51 | 99.21 | 104.30 | 102.00 | 18.66 | 64.23 | 121.94 | 73.50 | 78.60 | 51.20 | 87.87 | 90.55 | 111.32 | 95.50 | 93.47 | 104.16 | 85.50 | 108.84 | 86.23 | 75.87 | 51.90 | 90.46 | 100.74 | 55.62 | 144.00 |
| Mean (mph) | 5.2 | 5.3 | 6.5 | 9.2 | 5 | 3.7 | 5.4 | 5.6 | 5.5 | 1 | 3.5 | 6.6 | 4 | 4.3 | 2.8 | 4.8 | 4.9 | 6 | 5.2 | 5.1 | 5.6 | 4.6 | 5.9 | 4.7 | 4.1 | 2.8 | 4.9 | 5.5 | 3 | 7.8 |
| Gust (mph) | 18 | 17 | 23 | 33 | 27 | 15 | 20 | 24 | 18 | 18 | 22 | 28 | 20 | 16 | 18 | 21 | 20 | 25 | 22 | 18 | 23 | 22 | 40 | 24 | 20 | 20 | 18 | 18 | 17 | 22 |
| Sunshine (hrs) | 6.2 | 10.0 | 11.2 | 7.8 | 3.8 | 1.0 | 5.5 | 9.1 | 6.0 | 3.0 | 9.4 | 0.6 | 4.8 | 10.7 | 0.5 | 3.8 | 0.1 | 8.8 | 5.3 | 5.3 | 4.2 | 6.5 | 7.4 | 2.2 | 3.7 | 11.7 | 2.0 | 3.0 | 5.1 | 9.3 |
| Humidity Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP(Twb) | 1.367 | 1.773 | 1.751 | 1.469 | 1.253 | 1.196 | 1.331 | 1.322 | 1.237 | 1.081 | 1.118 | 1.196 | 1.652 | 1.499 | 1.631 | 1.322 | 1.34 | 1.403 | 1.313 | 1.403 | 1.548 | 1.548 | 1.413 | 1.305 | 1.854 | 1.706 | 2.968 | 1.652 | 1.631 | 1.403 |
| VP | 1.094 | 1.554 | 1.703 | 1.271 | 1.035 | 1.101 | 1.14 | 1.056 | 0.904 | 0.816 | 0.826 | 1.026 | 1.46 | 1.164 | 1.453 | 1.118 | 1.17 | 1.232 | 1.17 | 1.048 | 1.377 | 1.384 | 1.188 | 0.998 | 1.744 | 1.665 | 2.754 | 1.481 | 1.508 | 1.13 |
| Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| VP | 1.773 | 2.171 | 1.831 | 1.773 | 1.548 | 1.313 | 1.599 | 1.706 | 1.706 | 1.403 | 1.489 | 1.413 | 1.976 | 2.052 | 1.927 | 1.61 | 1.579 | 1.652 | 1.508 | 1.963 | 1.819 | 1.808 | 1.751 | 1.751 | 2.052 | 1.773 | 3.568 | 1.939 | 1.831 | 1.819 |
| Rel. Humidity | 61.7 | 71.6 | 93 | 71.7 | 66.9 | 83.9 | 71.3 | 61.9 | 53 | 58.2 | 55.5 | 72.6 | 73.9 | 56.7 | 75.4 | 69.4 | 74.1 | 74.6 | 77.6 | 53.4 | 75.7 | 76.5 | 67.8 | 57 | 85 | 93.9 | 77.2 | 76.4 | 82.4 | 62.1 |
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Dew Point (C) | 8.3 | 13.6 | 15 | 10.5 | 7.5 | 8.4 | 8.9 | 7.8 | 5.5 | 4 | 4.2 | 7.3 | 12.6 | 9.2 | 12.5 | 8.6 | 9.3 | 10 | 9.3 | 7.7 | 11.7 | 11.8 | 9.5 | 6.9 | 15.3 | 14.6 | 22.7 | 12.8 | 13.1 | 8.8 |
| Pressure (mb) | 1030.2 | 1034.8 | 1034.7 | 1025.6 | 1015.7 | 1006.7 | 1003.4 | 1003.8 | 1012.5 | 1014.6 | 1016.2 | 1016.3 | 1008.7 | 1020.3 | 1014.5 | 1009.3 | 1008.3 | 999.9 | 1009.6 | 1012.4 | 1009.2 | 1006.0 | 1013.6 | 1022.5 | 1018.7 | 1023.0 | 1012.0 | 1015.7 | 1022.5 | 1025.9 |
| Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| fog | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
| gales | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |