Climatological Observations - December 2006

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) 8 7 6 0 8 7 1 8 5 7 8 3 8 8 3 0 0 8 7 9 9 9 9 8 8 8 8 8 8 1 7
Wind                                                              
Direction s ssw ssw ssw ssw wsw ssw ssw nnw ssw sw sw ssw ssw s wnw wnw sw ne wnw wsw sse calm e ese ene wsw ssw s sw ssw
Speed (knots) 8 10 18 14 24 12 10 8 9 14 13 12 9 12 12 2 9 1 1 2 2 2 0 6 1 1 1 2 10 7 12
Weather 20 2 2 0 14 3 1 2 2 2 21 3 2 2 1 0 0 20 10 49 45 49 43 10 2 10 50 10 63 1 2
Visibility 5 7 8 6 5 7 7 7 8 7 6 7 7 7 7 7 8 6 6 3 3 2 3 5 7 6 5 6 7 8 7
Screen (C)                                                              
Dry Bulb 10.6 8.1 8.0 6.0 12.2 8.6 7.9 6.9 2.9 1.6 11.6 4.5 10.5 11.4 10.0 2.5 3.8 4.6 2.5 -1.1 1.5 -2.0 0.9 4.5 5.0 4.4 3.4 9.6 6.8 9.5 7.1
Wet Bulb 10.4 7.8 6.9 5.5 10.4 7.1 6.4 5.9 2.7 1.2 11.4 4.0 9.7 10.5 8.9 2.4 3.4 4.4 2.4 -1.1 0.6 -2.1 0.6 4.4 4.6 4.0 3.1 9.4 5.8 8.1 6.6
Max 12.2 10.5 9.0 13.5 12.0 10.8 10.0 8.6 7.8 11.6 11.2 10.4 11.3 12.2 11.2 8.0 8.5 6.1 5.5 1.5 2.0 0.6 4.5 5.7 4.9 5.2 9.4 10.4 13.6 10.1 11.0
Min 7.6 7.7 7.0 6.0 5.8 7.2 5.5 5.9 2.0 -0.2 1.5 2.7 4.0 10.0 9.7 2.0 1.8 2.6 -1.4 -1.8 -1.3 -2.3 -2.1 0.4 4.5 3.6 3.1 3.1 4.0 6.4 5.1
Ground Observations (C)                                                              
Grass Min 4.0 4.6 2.6 1.0 1.9 2.4 0.6 1.6 -3.3 -5.1 -1.6 -1.5 1.0 6.0 6.5 -1.4 -3.4 -2.8 -3.9 -4.9 -1.6 -2.9 -2.0 0.0 3.9 2.0 2.0 1.0 1.9 3.9 1.0
Conc. Min 5.5 5.7 4.1 3.0 2.1 4.4 2.8 2.9 -1.0 -2.5 4.0 0.0 1.8 7.0 7.5 1.1 -1.0 0.8 -1.5 -2.4 -1.2 -2.1 -1.7 0.3 2.9 2.5 2.3 2.2 0.5 4.1 2.6
Bare Earth Min 6.4 _ 4.9 3.5 4.8 5.2 3.6 3.6 0.4 -2.4 -0.5 1.2 2.5 7.5 8.0 2.5 -0.3 0.9 -0.4 -1.6 -0.6 -1.4 -1.0 0.7 3.6 3.1 3.1 3.0 2.7 4.8 3.5
Soil/Earth Temperatures (C)                                                              
Surface 8.8 8.3 7.6 5.0 10.5 6.8 7.1 6.0 3.2 1.4 10.0 4.0 8.0 9.5 8.6 5.1 2.9 4.8 3.5 1.7 3.0 1.6 2.8 4.4 5.1 4.8 4.8 7.8 5.5 7.8 5.9
5cm 8.0 8.4 7.8 5.6 9.6 6.4 7.8 6.1 3.9 2.4 8.4 4.0 6.5 8.4 8.7 6.4 3.7 4.6 3.6 2.3 3.0 2.3 2.8 4.1 4.8 4.7 4.9 6.8 5.7 8.0 6.1
10cm 8.1 8.8 8.2 6.2 9.8 7.2 8.1 6.2 4.3 2.8 8.4 3.7 6.7 8.6 9.0 7.0 4.2 4.9 4.0 2.7 3.2 2.7 3.1 4.3 5.0 4.9 5.2 7.0 6.2 8.3 6.4
20cm 7.9 9.1 8.4 7.2 9.2 8.1 8.2 7.2 6.0 4.7 7.5 6.0 6.5 8.0 8.6 8.3 6.0 5.7 5.4 4.3 4.2 4.1 4.0 4.5 5.4 5.4 5.6 6.3 6.6 8.1 7.0
30cm 8.3 9.1 8.5 7.5 8.7 8.4 8.4 7.4 7.0 5.7 6.8 6.5 7.0 7.5 8.5 8.4 6.8 6.2 6.0 5.1 4.7 4.7 4.5 4.9 5.4 5.6 5.7 6.2 6.6 7.5 7.2
40cm 8.1 8.9 8.4 7.5 8.5 8.5 8.1 7.6 7.0 6.0 7.0 6.5 6.8 7.5 7.6 8.4 6.8 6.3 6.0 5.2 5.0 4.8 4.6 4.8 5.4 5.6 5.7 6.1 6.4 7.4 7.1
50cm 8.6 9.2 9.0 8.5 9.0 9.0 8.6 8.6 7.9 6.9 7.5 7.5 8.0 8.0 8.5 8.6 7.8 7.1 6.8 6.2 5.8 5.6 5.4 5.6 5.8 6.1 6.1 6.4 6.5 7.3 7.6
100cm 9.1 9.5 9.4 9.1 9.2 9.2 9.1 9.1 8.9 8.7 8.6 8.2 8.3 8.1 8.2 8.5 8.5 8.3 8.1 7.9 7.6 7.4 7.2 7.1 7.1 7.0 7.0 7.1 6.9 7.2 7.3
State of the Ground                                                              
Without snow 2 2 2 2 2 1 2 2 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2
With snow   _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Snow depth _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
State of the Grass 3 3 3 1 3 1 3 3 7 7 3 7 3 0 0 4 7 3 4 8 2 8 2 1 1 1 3 3 1 3 3
State of the Concrete 1 1 1 1 2 0 1 0 0 0 2 1 1 1 1 1 0 1 0 0 1 0 1 0 0 0 1 1 1 1 1
Tank                                                              
Evaporation (mm)                                                              
Evap. over interval > > 1.91 > > > > > > > > > > > > > > > > > > > > > 6.76 > > > > > 0.59
Rainfall (mm)                                                              
Total 3.8 4.3 tr 1.0 tr(w) 5.3 2.5 _ _ 5.1 4.3 1.7 _ _ 8.2 0.1 0.1 _ _ tr(fe) 0.1 0.3 0.1 _ _ 0.1 7.3 0.2 7.1 8.6 4.1
Duration (hrs) 1.6 1.1 _ 0.2 _ 1.6 2.2 _ _ 7.6 2.2 3.1 _ _ 6.2 _ _ _ _ _ _ _ _ _ _ _ 6.2 1.1 2.1 3.6 2.2
Intensity (mean over 24 hrs, mm/hr) 2.4 3.9 _ 5.0 _ 3.3 1.1 _ _ 0.7 2.0 0.5 _ _ 1.3 _ _ _ _ _ _ _ _ _ _ _ 1.2 0.2 3.4 2.4 1.9
Run of Wind                                                              
Miles (over 24 hrs) 96 324.21 309.59 346.82 267.4 261.32 312.19 114.53 110.53 203.64 348.87 177.3 318.1 296.91 224.71 80.56 65.5 27.49 34.5 47.01 40.92 28.15 56.58 79.56 34.79 26.32 120.97 120 364.8 115.2 274.74
Mean (mph) 5.2 17.6 16.8 18.8 14.5 14.2 16.9 6.2 6 11 18.9 9.6 17.2 16.1 12.2 4.4 3.5 1.5 1.9 2.5 2.2 1.5 3.1 4.3 1.9 1.4 6.6 6.5 19.8 6.2 14.9
Gust (mph) 22 46 36 45 37 35 43 25 20 39 28 35 36 33 27 <15 17 <15 <15 <15 <15 <15 16 17 <15 <15 19 28 55 32 41
Sunshine (hrs) 0.0 2.8 3.2 2.1 1.0 1.9 1.8 1.1 3.7 0.1 0.0 1.1 0.0 0.0 0.0 4.0 4.3 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.3 0.0 1.5 0.0
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 1.262 1.059 0.995 0.904 1.262 1.009 0.962 0.929 0.742 0.666 1.349 0.814 1.204 1.27 1.141 0.726 0.78 0.837 0.726 0.564 0.638 0.524 0.638 0.837 0.849 0.814 0.763 1.18 0.923 1.081 0.975
VP 1.248 1.039 0.92 0.87 1.139 0.907 0.86 0.861 0.729 0.639 1.335 0.78 1.15 1.209 1.066 0.719 0.753 0.823 0.719 0.564 0.577 0.517 0.618 0.83 0.822 0.787 0.743 1.166 0.855 0.986 0.941
Saturated                                                              
VP 1.279 1.081 1.073 0.936 1.422 1.118 1.066 0.995 0.753 0.686 1.367 0.843 1.27 1.349 1.229 0.732 0.802 0.849 0.732 0.564 0.681 0.528 0.652 0.843 0.873 0.837 0.78 1.196 0.989 1.188 1.009
RH % 97.6 96.1 85.7 92.9 80.1 81.1 80.7 86.5 96.8 93.1 97.7 92.5 90.6 89.6 86.7 98.2 93.9 96.9 98.2 100 84.7 97.9 94.8 98.5 94.2 94 95.3 97.5 86.5 83 93.3
                                                               
Dew Point (C) 10.2 7.5 5.8 5 8.9 5.6 4.8 4.8 2.5 0.6 11.2 3.4 9 9.8 7.9 2.3 2.9 4.2 2.3 -1.1 -0.8 -2.3 0.2 4.3 4.1 3.5 2.7 9.2 4.7 6.8 6.1
Pressure (mb) 1014.7 1010.4 988.0 994.7 986.4 998.8 985.2 983.7 1010.7 1024.4 1008.0 1017.4 1019.9 1018.6 1018.5 1021.6 1026.0 1027.4 1038.4 1041.4 1043.5 1044.4 1043.8 1039.7 1037.2 1034.9 1030.1 1024.4 1012.7 1006.1 1018.2
Days with                                                              
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 1 1 1 _ _ _ _ _ _ _ _

This page was created by Pitsford Hall weather station on 02 January 2007.