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 | 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 | 8.00 | 9.00 | 9.00 | 9.00 |
Total Cloud (oktas) | 6 | 5 | 7 | 6 | 1 | 8 | 0 | 0 | 5 | 8 | 3 | 8 | 1 | 6 | 6 | 6 | 7 | 7 | 5 | 8 | 6 | 5 | 6 | 8 | 8 | 5 | 7 | 1 | 8 | 8 | 8 |
Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   | |
Direction | wsw | nnw | sse | ne | nw | ne | ene | ne | n | ne | n | nw | wnw | wnw | wnw | nnw | sw | s | s | ssw | ssw | s | s | se | s | s | wnw | sw | se | sse | wsw |
Speed (knots) | 2 | 2 | 1 | 5 | 7 | 2 | 9 | 1 | 3 | 14 | 6 | 10 | 9 | 12 | 5 | 1 | 7 | 8 | 9 | 14 | 1 | 16 | 3 | 3 | 3 | 15 | 10 | 9 | 3 | 8 | 3 |
Weather | 1 | 1 | 2 | 1 | 0 | 2 | 2 | 0 | 1 | 20 | 1 | 20 | 1 | 3 | 2 | 1 | 1 | 2 | 1 | 61 | 10 | 1 | 3 | 21 | 20 | 3 | 3 | 2 | 62 | 21 | 60 |
Visibility | 6 | 5 | 6 | 5 | 7 | 7 | 7 | 9 | 7 | 7 | 5 | 5 | 7 | 7 | 8 | 7 | 6 | 6 | 6 | 7 | 5 | 8 | 6 | 6 | 7 | 7 | 7 | 7 | 4 | 7 | 7 |
Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Dry Bulb | 1.8 | 1.1 | 0.9 | 2.1 | 0.3 | 3.6 | 0.7 | 0.9 | 3.0 | 3.0 | 3.0 | 5.0 | 5.0 | 6.3 | 6.1 | 5.5 | 7.0 | 10.0 | 9.0 | 11.9 | 6.4 | 8.3 | 4.0 | 9.0 | 10.5 | 8.5 | 10.3 | 7.6 | 6.9 | 8.1 | 3.3 |
Wet Bulb | 1.0 | 0.9 | 0.6 | 1.5 | -0.5 | 3.1 | -0.6 | -1.4 | 2.5 | 2.0 | 2.0 | 4.0 | 3.8 | 5.0 | 4.9 | 2.9 | 5.0 | 7.5 | 7.4 | 11.1 | 6.1 | 7.0 | 4.0 | 8.5 | 10.0 | 7.5 | 8.7 | 6.6 | 6.6 | 7.7 | 3.0 |
Max | 7.9 | 9.4 | 5.6 | 7.4 | 7.5 | 7.2 | 5.2 | 6.0 | 7.5 | 5.0 | 5.0 | 8.0 | 8.5 | 10.6 | 11.6 | 11.5 | 13.2 | 15.8 | 12.5 | 13.1 | 13.0 | 11.5 | 11.5 | 15.5 | 14.5 | 12.5 | 11.8 | 11.5 | 11.7 | 11.4 | 5.9 |
Min | -0.1 | -0.1 | 0.2 | -0.2 | -2.4 | -0.1 | -4.5 | -4.5 | 0.0 | 2.0 | -0.5 | 1.0 | 2.1 | 2.6 | 2.8 | 2.6 | 4.7 | 4.8 | 6.5 | 8.5 | 2.5 | 5.5 | 0.5 | 3.8 | 8.5 | 6.0 | 7.0 | 4.3 | 5.1 | 6.5 | 2.5 |
Solar Radiation (W/m^2) | 176 | 194 | 93 | 172 | 201 | 118 | 296 | 234 | 128 | 33 | 208 | 178 | 322 | 197 | 269 | 269 | 116 | 165 | 146 | 137 | 385 | 285 | 218 | 102 | 118 | 116 | 584 | 278 | 49 | 70 | 72 |
Grass & Concrete |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
State of Grass | 1 | 1 | 7 | 1 | 4 | 3 | 7 | 7 | 1 | 1 | 1 | 1 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 3 | 0 | 4 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 3 |
State of Concrete | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 2 |
Concrete Min (C) | -1.8 | -1.8 | -0.1 | -1.4 | -3.6 | -1.2 | -5.7 | -5.5 | -2.5 | _ | -2.1 | _ | 1.1 | 1.2 | 1.5 | 2.5 | 4.7 | 6.8 | 6.8 | 8.4 | 1.5 | 5.0 | 0.5 | 4.0 | 9.0 | 5.5 | 6.9 | 3.8 | 5.9 | 7.1 | 2.5 |
Evaporation |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Piche (ml) | 1.5 | 1.3 | 0.8 | 1.5 | 2.1 | > | > | 1.6 | 1.6 | 1.4 | 0.6 | 1.2 | 3.1 | 2.9 | 3.8 | 4.1 | 2 | 4.9 | 1.6 | 0.7 | 2.3 | 2.6 | 1.4 | 2 | 2.7 | 3.2 | 2.9 | 2.3 | 1.2 | 1.9 | 2.3 |
Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | > | 31.69 |
Rainfall |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Total (mm) | _ | _ | _ | _ | tr | _ | _ | _ | _ | tr | 0.1 | 0.3 | _ | _ | _ | _ | _ | 0.1 | 4.3 | 2.5 | _ | 1.0 | 0.7 | 6.0 | 3.2 | 2.1 | tr | 1.8 | 3.8 | 3.9 | 0.1 |
Duration (hrs) | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 0.1 | 0.8 | _ | _ | _ | _ | _ | 0.2 | 5.5 | 5.6 | _ | 1.0 | 2.0 | 5.0 | 2.0 | 2.0 | _ | 2.8 | 5.5 | 5.8 | 0.1 |
Intensity (mean over 24 hrs, mm/hr) | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1.0 | 0.4 | _ | _ | _ | _ | _ | 0.5 | 0.8 | 0.4 | _ | 1.0 | 0.4 | 1.2 | 1.6 | 1.1 | _ | 0.6 | 0.7 | 0.7 | 1.0 |
Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Miles (over 24 hrs) | 33.57 | 151.47 | 77.98 | 104.75 | 111.08 | 89.4 | 108.85 | 67.19 | 123.09 | 69.14 | 80.87 | 146.28 | 169.68 | 160.9 | 134.98 | 117 | 203.04 | 210.09 | 95.31 | 245.95 | 166.46 | 207.41 | 81.12 | 111.97 | 116.08 | 291.68 | 120.91 | 55.88 | 144.77 | 231.1 | 193.54 |
Mean (mph) | 1.8 | 8.2 | 4.2 | 5.7 | 6 | 4.8 | 5.9 | 3.6 | 6.7 | 3.7 | 4.4 | 7.9 | 9.2 | 8.7 | 7.3 | 6.3 | 11 | 11.4 | 5.2 | 13.3 | 9 | 11.2 | 4.4 | 6.1 | 6.3 | 15.8 | 6.5 | 3 | 7.8 | 12.5 | 10.5 |
Gust (mph) | <15 | 15 | 21 | 21 | 25 | 19 | 18 | 21 | 26 | 23 | 16 | 26 | 30 | 36 | 32 | 18 | 18 | 25 | 23 | 24 | 20 | 32 | 23 | 18 | 29 | 28 | 22 | 22 | 20 | 32 | 41 |
Sunshine (hrs) | 7.0 | 6.0 | 0.2 | 6.4 | 5.8 | 4.2 | 8.3 | 2.0 | 0.8 | 0.0 | 3.0 | 1.8 | 5.8 | 4.5 | 6.0 | 5.0 | 1.5 | 0.0 | 3.2 | 0.0 | 6.0 | 3.0 | 2.5 | 3.5 | 3.0 | 4.1 | 4.6 | 5.7 | 0.7 | 1.2 | 1.1 |
Humidity Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
VP(Twb) | 0.657 | 0.652 | 0.638 | 0.681 | 0.589 | 0.763 | 0.585 | 0.551 | 0.732 | 0.706 | 0.706 | 0.814 | 0.802 | 0.873 | 0.867 | 0.753 | 0.873 | 1.037 | 1.03 | 1.322 | 0.942 | 1.002 | 0.814 | 1.11 | 1.229 | 1.037 | 1.126 | 0.975 | 0.975 | 1.052 | 0.758 |
VP | 0.603 | 0.639 | 0.618 | 0.641 | 0.535 | 0.729 | 0.498 | 0.397 | 0.698 | 0.639 | 0.639 | 0.746 | 0.721 | 0.785 | 0.786 | 0.578 | 0.738 | 0.867 | 0.921 | 1.267 | 0.922 | 0.914 | 0.814 | 1.076 | 1.195 | 0.969 | 1.017 | 0.907 | 0.955 | 1.025 | 0.738 |
Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
VP | 0.696 | 0.662 | 0.652 | 0.711 | 0.624 | 0.791 | 0.643 | 0.652 | 0.758 | 0.758 | 0.758 | 0.873 | 0.873 | 0.955 | 0.942 | 0.904 | 1.002 | 1.229 | 1.149 | 1.394 | 0.962 | 1.095 | 0.814 | 1.149 | 1.27 | 1.11 | 1.253 | 1.044 | 0.995 | 1.081 | 0.774 |
Rel. Humidity | 86.6 | 96.5 | 94.8 | 90.2 | 85.7 | 92.2 | 77.4 | 60.9 | 92.1 | 84.3 | 84.3 | 85.5 | 82.6 | 82.2 | 83.4 | 63.9 | 73.7 | 70.5 | 80.2 | 90.9 | 95.8 | 83.5 | 100 | 93.6 | 94.1 | 87.3 | 81.2 | 86.9 | 96 | 94.8 | 95.3 |
  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Dew Point (C) | -0.2 | 0.6 | 0.2 | 0.7 | -1.8 | 2.5 | -2.8 | -5.8 | 1.8 | 0.6 | 0.6 | 2.8 | 2.3 | 3.5 | 3.5 | -0.8 | 2.6 | 4.9 | 5.8 | 10.5 | 5.8 | 5.7 | 4 | 8 | 9.6 | 6.5 | 7.2 | 5.6 | 6.3 | 7.3 | 2.6 |
Pressure (mb) | 1010.5 | 1022.8 | 1023.4 | 1025.2 | 1031.1 | 1028.4 | 1036.3 | 1033.4 | 1031.9 | 1032.2 | 1027.0 | 1020.8 | 1031.4 | 1028.9 | 1028.1 | 1026.8 | 1020.7 | 1015.8 | 1012.6 | 1002.0 | 1016.3 | 1016.6 | 1018.5 | 1005.0 | 1000.2 | 1000.2 | 1003.8 | 1008.2 | 1001.2 | 986.5 | 983.3 |
Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1 |
hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
fog | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
gales | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |