Climatological Statistics - December 2007

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 9.00 9.00 9.00 9.00
Total Cloud (oktas) 1 8 1 5 6 8 3 8 5 8 4 2 1 8 8 8 8 8 8 1 8 9 9 8 8 7 8 8 0 8 8
Wind                                                              
Direction ssw s w s s s nw s s n w sse calm sse ene e e e ene ese ese s wsw ssw n ssw ssw ssw wsw nw ssw
Speed (knots) 14 12 7 6 8 7 3 10 16 17 5 2 0 3 5 6 9 7 9 1 1 1 1 14 1 6 17 25 12 1 1
Weather 2 63 0 2 63 50 1 63 2 20 1 1 41 1 10 10 2 10 10 28 10 43 48 2 61 2 2 2 1 2 10
Visibility 8 5 7 5 5 6 6 6 7 8 8 7 6 5 7 7 6 6 4 5 5 4 2 7 5 7 7 7 7 7 6
Screen (C)                                                              
Dry Bulb 6.0 8.0 5.6 6.9 12.2 11.0 6.1 3.9 5.1 4.8 0.5 0.5 -0.9 0.9 1.2 1.6 1.7 2.4 3.5 -4.2 0.1 1.1 -1.0 6.5 6.9 3.8 10.0 9.6 4.0 5.8 5.1
Wet Bulb 4.9 7.7 3.9 6.0 11.9 10.6 5.0 3.6 4.1 4.0 0.0 0.0 -1.1 0.7 0.8 0.7 0.4 1.4 3.2 -4.3 0.1 0.3 -1.0 6.0 6.8 3.0 8.9 8.0 3.2 5.0 5.0
Max 8.5 11.4 8.9 13.1 13.0 14.9 8.5 10.8 7.0 6.5 5.5 6.7 6.5 3.1 4.4 4.0 3.0 3.6 5.0 1.6 1.4 6.6 6.6 9.4 7.0 10.4 11.6 10.4 7.6 7.6 7.3
Min 4.6 4.9 5.2 4.6 5.6 7.4 5.5 3.0 3.5 4.0 -1.5 -1.9 -2.2 -1.0 0.4 -0.5 -1.9 1.6 2.0 -5.2 -4.4 -1.2 -2.2 -2.0 6.1 2.4 3.4 9.2 3.6 4.0 3.6
Black Bulb (globe, C) 6.4 7.8 5 5.5 12.1 10.9 5.6 3.6 5 4 -1 -0.9 -1.5 1 2.8 1.8 1.4 2.6 4 -2.8 0.3 1 -0.6 6.4 7 3.5 10.1 _ _ 5.7 5.2
Concrete                                                              
State of Concrete 0 2 0 0 1 1 0 2 1 1 0 3 3 0 0 0 1 0 0 3 1 1 3 1 2 1 1 0 0 0 0
Concrete Min (C) 2.6 3.0 2.4 0.9 2.3 4.9 3.2 -0.4 1.8 3.0 -4.0 -4.5 -5.2 -4.0 -1.8 -3.3 -4.5 -0.5 0.7 -7.1 -6.0 -1.5 -3.9 -3.1 4.1 -0.4 0.9 6.0 1.9 2.2 1.6
Evaporation                                                              
Piche (ml) 2.5 2.3 2 2.4 2.7 2.6 3.1 2.8 1.5 2.4 0.6 0.8 0.8 0.6 0.8 > 2 0.8 > > 1.4 > 0.9 1.5 0.4 1.7 > > 9.5 0.9 0.8
Pan (over interval, mm) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
Rainfall                                                              
Total (mm) 2.7 2.3 0.4 3.9 0.8 5.1 0.3 6.7 4.8 0.1 _ _ 0.1 _ _ tr(x) _ _ _ 0.1 tr(fe) 0.5 0.1 5.2 2.0 tr _ 3.2 0.1 0.1 _
Duration (hrs) 1.2 1.7 0.4 3.6 0.7 3.2 0.3 4.6 6.8 0.0 _ _ _ _ _ _ _ _ _ _ _ 1.3 _ 7.6 3.1 _ _ 3.2 0.1 _ _
Intensity (mean over 24 hrs, mm/hr) 2.3 1.4 1.0 1.1 1.1 1.6 1.0 1.5 0.7 0.0 _ _ _ _ _ _ _ _ _ _ _ 0.4 _ 0.7 0.6 _ _ 1.0 1.0 _ _
Run of Wind                                                              
Miles (over 24 hrs) 241.53 205.4 141.19 302.45 292.51 180.52 189.15 209.46 243.71 176.55 32.94 35.2 61.57 52.6 58.28 84.95 152.29 113.46 199.05 142.29 127.6 82.93 175.68 235.62 119.5 264.73 390.86 415.28 244.2 49.38 95.08
Mean (mph) 13.1 11.1 7.6 16.4 15.8 9.8 10.2 11.3 13.2 9.6 1.8 1.9 3.3 2.8 3.2 4.6 8.2 6.1 10.8 7.7 6.9 4.5 9.5 12.8 6.5 14.3 21.2 22.5 13.2 2.7 5.2
Gust (mph) 30 38 28 36 30 59 43 29 51 37 <15 <15 <15 <15 18 19 31 20 16 15 <15 <15 21 25 19 28 38 43 41 <15 <15
Sunshine (hrs) 3.4 2.1 3.4 0.0 1.4 0.0 1.1 0.0 0.0 2.0 4.5 4.5 3.5 0.0 0.6 2.0 1.0 0.0 1.8 0.0 0.0 0.0 1.5 0.0 0.0 1.5 0.0 0.0 6.2 0.0 0.0
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 0.867 1.052 0.808 0.936 1.394 1.279 0.873 0.791 0.819 0.814 0.611 0.611 0.564 0.643 0.648 0.643 0.629 0.676 0.769 0.444 0.615 0.624 0.568 0.936 0.989 0.758 1.141 1.073 0.769 0.873 0.873
VP 0.793 1.032 0.693 0.875 1.374 1.252 0.799 0.771 0.751 0.76 0.577 0.577 0.551 0.63 0.621 0.582 0.542 0.609 0.749 0.437 0.615 0.57 0.568 0.902 0.982 0.704 1.066 0.964 0.715 0.819 0.866
Saturated                                                              
VP 0.936 1.073 0.91 0.995 1.422 1.313 0.942 0.808 0.879 0.861 0.634 0.634 0.572 0.652 0.666 0.686 0.691 0.726 0.785 0.448 0.615 0.662 0.568 0.968 0.995 0.802 1.229 1.196 0.814 0.923 0.879
Rel. Humidity 84.7 96.2 76.2 87.9 96.6 95.4 84.8 95.4 85.4 88.3 91 91 96.3 96.6 93.2 84.8 78.4 83.9 95.4 97.5 100 86.1 100 93.2 98.7 87.8 86.7 80.6 87.8 88.7 98.5
                                                               
Dew Point (C) 3.6 7.4 1.7 5 11.7 10.3 3.7 3.2 2.9 3 -0.8 -0.8 -1.4 0.4 0.2 -0.7 -1.6 0 2.8 -4.5 0.1 -1 -1 5.5 6.7 2 7.9 6.4 2.2 4.1 4.9
Pressure (mb) 999.5 989.3 1001.3 1013.5 1001.7 1006.5 997.1 1001.9 979.0 1008.5 1031.9 1037.3 1041.6 1041.6 1037.8 1038.5 1039.6 1038.6 1038.9 1036.7 1027.7 1023.3 1029.5 1021.1 1011.7 1023.0 1021.8 1016.6 1007.7 1025.7 1028.7
Days with                                                              
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 1 _ _ _ _ _ _ _ _
gales _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _


This page was created by Pitsford Hall weather station on 02 January 2008.