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) | 8.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 10.00 | 9.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 8.00 | 9.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 8.00 | 10.00 | 9.00 | 9.00 | 9.00 | 9.00 | 8.00 | 8.00 |
Total Cloud (oktas) | 3 | 8 | 6 | 6 | 7 | 8 | 7 | 8 | 7 | 5 | 4 | 5 | 1 | 3 | 1 | 6 | 6 | 5 | 7 | 8 | 6 | 1 | 0 | 0 | 6 | 8 | 5 | 3 | 8 | 8 | 8 |
Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Direction | nw | nne | nne | n | w | e | ne | nne | nne | n | ne | nw | w | s | nw | sw | nw | se | sse | nw | nne | e | wsw | nnw | ese | e | nw | wnw | se | nw | nnw |
Speed (knots) | 6 | 14 | 18 | 8 | 1 | 9 | 17 | 12 | 19 | 4 | 9 | 3 | 1 | 8 | 7 | 12 | 3 | 7 | 7 | 2 | 2 | 7 | 6 | 7 | 12 | 7 | 8 | 12 | 2 | 14 | 17 |
Weather | 3 | 62 | 3 | 3 | 2 | 10 | 1 | 60 | 2 | 1 | 1 | 20 | 3 | 2 | 2 | 20 | 25 | 2 | 5 | 2 | 5 | 2 | 0 | 5 | 1 | 3 | 1 | 1 | 62 | 3 | 2 |
Visibility | 7 | 7 | 8 | 7 | 7 | 5 | 7 | 7 | 7 | 8 | 8 | 6 | 8 | 8 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 8 | 7 | 8 | 7 | 7 | 7 |
Screen (C) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Dry Bulb | 11.3 | 6.4 | 7.0 | 7.9 | 12.2 | 10.0 | 10.1 | 7.7 | 7.6 | 10.0 | 7.5 | 6.1 | 9.0 | 10.2 | 11.6 | 10.6 | 9.2 | 16.2 | 16.9 | 17.0 | 21.3 | 18.5 | 18.6 | 19.6 | 16.5 | 11.7 | 11.7 | 12.3 | 11.0 | 12.9 | 11.1 |
Wet Bulb | 9.4 | 5.9 | 4.7 | 5.6 | 9.6 | 7.6 | 7.0 | 6.9 | 6.3 | 7.0 | 4.0 | 5.0 | 5.5 | 7.0 | 8.6 | 8.5 | 7.6 | 11.0 | 12.9 | 15.0 | 16.5 | 14.5 | 15.0 | 16.4 | 12.9 | 8.9 | 8.9 | 8.0 | 10.0 | 10.5 | 9.9 |
Max | 16.4 | 9.5 | 11.4 | 13.5 | 14.6 | 13.4 | 13.0 | 8.3 | 14.1 | 12.0 | 10.9 | 11.0 | 13.0 | 12.6 | 16.4 | 16.3 | 16.8 | 18.6 | 20.6 | 23.3 | 24.4 | 25.0 | 26.7 | 25.0 | 18.9 | 16.1 | 15.0 | 17.6 | 15.0 | 15.5 | 16.4 |
Min | 7.6 | 6.0 | 4.0 | 1.5 | 7.5 | 8.3 | 5.5 | 5.6 | 5.5 | 2.0 | 3.5 | 3.6 | 0.5 | 4.0 | 4.9 | 4.3 | 5.6 | 5.2 | 6.6 | 13.6 | 12.1 | 10.4 | 10.9 | 13.5 | 10.8 | 7.6 | 7.3 | 6.1 | 8.9 | 10.6 | 9.3 |
Solar Radiation (W/m^2) | 496 | 113 | 255 | 850 | 320 | 90 | 248 | 199 | 290 | 304 | 192 | 123 | 614 | 229 | 554 | 201 | 174 | 651 | 584 | 271 | 656 | 584 | 496 | 472 | 774 | 245 | 308 | 209 | 137 | 329 | 107 |
Grass & Concrete |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
State of Grass | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 3 | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 3 | 0 |
State of Concrete | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
Concrete Min (C) | 7.6 | 6.8 | 4.1 | 0.5 | 8.4 | 7.4 | 6.3 | 6.3 | 5.5 | 1.1 | 4.0 | 4.1 | 0.5 | 4.0 | 4.7 | 4.8 | 5.9 | 6.1 | 7.6 | 15.4 | 13.1 | 11.5 | 12.5 | 15.2 | 13.1 | 8.5 | 8.3 | 6.4 | 9.9 | 10.4 | 9.8 |
Evaporation |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Piche (ml) | 2 | 2.6 | 2.8 | 1.3 | 2.4 | 2.5 | 2.1 | 1.1 | 2.6 | 1.8 | 1.8 | 1.5 | 3.9 | 3.1 | 4.2 | 3.9 | 3.8 | 2.8 | 2.8 | 2.4 | 3.1 | 3.5 | 5.2 | 4.4 | 2.8 | 1.9 | 4 | 3.2 | 1.3 | 6.4 | _ |
Pan (over interval, mm) | > | > | > | > | > | > | > | > | > | > | > | > | > | 25.82 | > | > | > | > | > | > | > | > | 35.03 | > | > | > | > | > | > | 23.84 | > |
Rainfall |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Total (mm) | 14.1 | 0.1 | _ | _ | _ | _ | 0.8 | 0.5 | _ | tr | 0.4 | 1.0 | _ | _ | tr | tr | _ | _ | _ | _ | _ | _ | _ | _ | _ | 1.7 | _ | 0.6 | 8.1 | _ | _ |
Duration (hrs) | 10.7 | _ | _ | _ | _ | _ | 5.2 | 3.1 | _ | _ | 0.5 | 0.8 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 2.7 | _ | 0.4 | 4.1 | _ | _ |
Intensity (mean over 24 hrs, mm/hr) | 1.3 | _ | _ | _ | _ | _ | 0.2 | 0.2 | _ | _ | 0.8 | 1.3 | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | 0.6 | _ | 1.5 | 2.0 | _ | _ |
Run of Wind |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Miles (over 24 hrs) | 125.35 | 171.65 | 140.12 | 68.42 | 66.9 | 99.15 | 124.28 | 137.71 | 95.2 | 48.64 | 79.72 | 99.67 | 84.52 | 15.3 | 98.18 | 98.94 | 63.13 | 28.71 | 59.64 | 24.42 | 59.87 | 41.7 | 47.96 | 107.85 | 109.87 | 120.75 | 31.93 | 55.98 | 100.11 | 207.76 | 77.86 |
Mean (mph) | 6.8 | 9.3 | 7.6 | 3.7 | 3.6 | 5.4 | 6.7 | 7.5 | 5.2 | 2.6 | 4.3 | 5.4 | 4.6 | 0.8 | 5.3 | 5.4 | 3.4 | 1.6 | 3.2 | 1.3 | 3.2 | 2.3 | 2.6 | 5.8 | 6 | 6.5 | 1.7 | 3 | 5.4 | 11.3 | 4.2 |
Gust (mph) | 30 | 32 | 43 | 23 | 16 | 21 | 28 | 33 | 18 | 18 | 16 | 18.5 | 18 | 17 | 20 | 20 | 22 | <15 | <15 | <15 | <15 | <15 | <15 | 18 | 21 | 15 | 18 | 17 | 23 | 37 | 21 |
Sunshine (hrs) | 5.4 | 0.9 | 8.5 | 9.1 | 2.5 | 4.5 | 4.2 | 0.0 | 7.5 | 3.0 | 5.0 | 5.0 | 7.5 | 1.4 | 10.3 | 8.8 | 10.0 | 7.9 | 5.7 | 4.3 | 11.4 | 12.5 | 12.4 | 11.3 | 3.0 | 0.5 | 10.1 | 10.8 | 0.0 | 8.7 | 0.0 |
Humidity Statistics |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
VP(Twb) | 1.18 | 0.929 | 0.855 | 0.91 | 1.196 | 1.044 | 1.002 | 0.995 | 0.955 | 1.002 | 0.814 | 0.873 | 0.904 | 1.002 | 1.118 | 1.11 | 1.044 | 1.313 | 1.489 | 1.706 | 1.878 | 1.652 | 1.706 | 1.866 | 1.489 | 1.141 | 1.141 | 1.073 | 1.229 | 1.27 | 1.22 |
VP | 1.051 | 0.895 | 0.699 | 0.754 | 1.019 | 0.881 | 0.792 | 0.941 | 0.867 | 0.799 | 0.577 | 0.799 | 0.667 | 0.785 | 0.914 | 0.967 | 0.935 | 0.959 | 1.216 | 1.569 | 1.549 | 1.378 | 1.46 | 1.647 | 1.243 | 0.951 | 0.951 | 0.781 | 1.161 | 1.107 | 1.138 |
Saturated |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
VP | 1.34 | 0.962 | 1.002 | 1.066 | 1.422 | 1.229 | 1.237 | 1.052 | 1.044 | 1.229 | 1.037 | 0.942 | 1.149 | 1.245 | 1.367 | 1.279 | 1.164 | 1.843 | 1.927 | 1.939 | 2.535 | 2.131 | 2.144 | 2.282 | 1.878 | 1.376 | 1.376 | 1.431 | 1.313 | 1.489 | 1.322 |
Rel. Humidity | 78.4 | 93 | 69.8 | 70.7 | 71.7 | 71.7 | 64 | 89.4 | 83 | 65 | 55.6 | 84.8 | 58.1 | 63.1 | 66.9 | 75.6 | 80.3 | 52 | 63.1 | 80.9 | 61.1 | 64.7 | 68.1 | 72.2 | 66.2 | 69.1 | 69.1 | 54.6 | 88.4 | 74.3 | 86.1 |
  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
Dew Point (C) | 7.7 | 5.4 | 1.9 | 2.9 | 7.2 | 5.1 | 3.6 | 6.1 | 4.9 | 3.7 | -0.8 | 3.7 | 1.2 | 3.5 | 5.7 | 6.5 | 6 | 6.4 | 9.8 | 13.7 | 13.5 | 11.7 | 12.6 | 14.5 | 10.2 | 6.2 | 6.2 | 3.4 | 9.2 | 8.5 | 8.9 |
Pressure (mb) | 1009.6 | 1012.9 | 1023.5 | 1029.2 | 1023.1 | 1013.6 | 1013.1 | 1013.6 | 1014.8 | 1014.0 | 1014.5 | 1016.6 | 1015.9 | 1010.9 | 1015.6 | 1014.9 | 1023.4 | 1029.2 | 1029.3 | 1032.9 | 1032.5 | 1031.2 | 1026.4 | 1015.4 | 1013.8 | 1011.6 | 1010.5 | 1014.5 | 1012.8 | 1010.8 | 1020.8 |
Days with |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
thunder | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
hail<5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
hail>/=5mm | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
snow | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
fog | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |
gales | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ | _ |