Climatological Observations - March 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 8.00 9.00 9.00 9.00 9.00 9.00 9.00
Total Cloud (oktas) 0 0 4 8 1 5 7 0 0 2 6 2 2 0 8 0 8 3 8 5 0 8 6 8 8 8 8 0 8 7 7
Wind                                                              
Direction sw calm wsw se ssw calm ssw calm w s s s wsw calm s w w wnw nnw nw nw wsw nnw nnw nne ne calm calm nnw nne nne
Speed (knots) 10 0 5 7 10 0 3 0 8 4 13 5 2 0 4 2 12 17 11 20 8 1 10 15 9 9 0 0 9 10 20
Weather 2 2 1 10 0 3 2 0 0 2 2 2 2 0 12 0 2 2 2 2 2 22 2 10 10 12 12 10 2 1 10
Visibility 8 8 7 5 8 7 7 7 7 7 7 7 7 7 3 7 7 8 7 8 8 6 7 5 5 5 3 5 6 5 7
Screen (C)                                                              
Dry Bulb 6.0 3.0 5.6 6.0 5.4 10.0 6.5 5.0 7.0 8.9 8.1 10.0 5.4 6.0 5.0 5.5 11.2 7.0 3.9 3.9 2.9 2.0 6.9 4.8 6.9 6.1 6.0 7.4 6.6 7.9 9.8
Wet Bulb 4.5 2.8 5.4 5.8 4.5 8.7 6.1 4.6 5.9 7.5 7.0 8.0 4.5 5.5 4.8 4.5 10.0 3.6 2.9 1.9 0.4 1.6 5.7 4.1 6.4 6.0 5.8 6.8 5.9 6.8 7.9
Max 9.6 11.3 12.5 10.9 10.5 13.5 11.3 12.8 11.0 14.1 15.7 14.9 12.2 14.0 12.0 12.1 15.2 9.0 8.0 6.3 7.5 7.0 7.2 6.7 12.3 15.1 15.1 13.9 9.6 10.5 13.4
Min 4.0 0.5 2.6 2.1 3.9 5.0 5.0 2.5 4.9 3.0 3.7 6.4 2.1 2.6 2.0 1.5 3.1 5.6 0.4 1.2 -2.0 -1.3 1.4 2.2 4.4 4.0 2.6 2.5 2.4 3.6 6.4
Ground Observations (C)                                                              
Grass Min -1.0 -3.0 -1.2 -2.5 -0.3 2.5 1.0 -3.3 0.4 -2.3 -2.0 1.0 -3.0 -2.5 -1.8 -4.0 3.2 0.6 -2.5 -2.0 -5.9 -6.4 -0.6 -2.6 4.0 0.0 -1.8 -0.6 2.0 0.6 4.0
Conc. Min 1.0 -1.0 1.2 0.1 1.8 3.5 3.0 0.1 3.2 1.0 1.1 3.0 1.0 1.0 0.2 -1.0 5.1 3.1 -0.6 0.1 -3.4 -2.1 2.5 0.0 4.4 2.4 1.4 1.7 5.4 2.9 4.9
Bare Earth Min 2.0 -0.5 1.0 1.4 2.8 3.2 3.9 1.4 2.9 1.9 2.0 3.5 1.4 1.1 1.3 1.0 3.1 3.8 0.0 0.8 -2.0 -1.5 1.0 1.2 4.5 3.0 2.0 2.5 5.8 3.9 5.5
Soil/Earth Temperatures (C)                                                              
Surface 4.5 3.5 5.8 4.7 4.6 8.0 6.6 4.3 6.2 5.7 6.4 6.5 4.9 4.9 5.2 5.0 9.4 6.0 -0.8 3.1 1.0 2.1 6.8 6.0 6.4 7.2 7.3 7.1 7.9 7.4 8.5
5cm 5.0 3.2 5.2 4.3 5.2 7.2 6.2 4.6 6.3 5.2 5.6 5.5 5.2 5.0 5.0 5.2 7.8 6.9 4.0 3.6 1.8 2.2 5.2 5.2 5.9 6.3 6.4 6.6 7.7 7.2 7.6
10cm 5.4 3.7 5.4 4.6 5.6 7.5 6.4 4.9 6.6 5.4 5.9 6.0 5.5 5.2 5.0 5.5 7.9 7.4 4.4 4.1 2.2 2.4 5.4 4.3 6.2 6.4 6.6 6.9 8.0 7.3 7.8
20cm 6.5 5.5 6.0 5.6 6.5 7.0 7.0 6.5 6.7 6.2 6.5 6.2 6.8 6.3 6.2 6.5 7.4 8.2 5.6 5.4 4.2 4.1 5.5 5.4 6.1 6.6 7.1 7.5 8.4 7.6 8.0
30cm 6.5 6.0 6.1 6.1 6.6 6.7 7.3 6.9 7.1 6.7 6.9 6.4 7.0 6.8 6.5 6.8 7.4 8.3 6.7 5.9 5.4 4.8 5.4 5.9 6.3 6.8 7.5 8.0 8.4 8.2 8.3
40cm 6.5 6.0 6.2 6.1 6.7 6.6 7.3 6.7 7.2 6.7 6.8 6.5 6.6 6.8 6.9 7.0 7.4 8.1 6.6 6.1 5.3 5.0 5.4 5.8 6.1 6.7 7.1 7.7 8.1 8.0 8.1
50cm 6.8 6.5 6.6 6.6 6.7 6.5 7.5 7.0 7.3 7.2 7.3 6.6. 6.5 6.9 7.0 6.8 7.6 8.2 7.1 6.7 5.9 5.7 5.5 6.3 6.4 7.0 7.5 8.1 8.6 8.2 8.4
100cm 6.9 7.0 6.7 6.6 6.8 6.9 7.1 6.9 6.9 6.8 6.9 7.0 6.7 7.0 7.0 7.0 7.1 7.2 7.2 7.0 6.9 6.5 6.8 6.6 6.6 6.7 6.8 7.9 7.2 7.3 7.5
State of the Ground                                                              
Without snow 1 1 2 2 3 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 _ 1 1 1 1 1 1 1 2 1
With snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2 _ _ _ _ _ _ _ _ _
Snow depth _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _
State of the Grass 3 7 3 4 3 3 3 1 3 1 1 1 1 1 1 1 1 1 4 1 7 9 1 1 1 1 2 1 3 3 1
State of the Concrete 1 1 1 1 2 1 2 1 1 0 0 0 0 0 0 0 0 0 3 1 3 2 1 0 0 0 0 0 1 1 0
Pan                                                              
Evaporation (mm)                                                              
Evap. over interval > > 3.62 > > > > > > > > > > > > > > > > > > > > > > > > > > > 44.05
Rainfall (mm)                                                              
Total 0.7 19.5 1.2 12.4 5.0 1.1 tr 1.6 tr _ _ _ _ _ _ _ tr 2.4 0.3 _ 2.3 0.6 0.4 0.2 _ _ _ _ 4.5 0.1 _
Duration (hrs) 0.6 10.1 0.4 10.0 2.1 1.1 _ 1.0 _ _ _ _ _ _ _ _ 0.1 3.5 0.1 _ 3.8 1.6 0.7 0.5 _ _ _ _ 3.7 _ _
Intensity (mean over 24 hrs, mm/hr) 1.2 1.9 3.0 1.2 2.4 1.0 _ 1.6 _ _ _ _ _ _ _ _ 0.0 0.7 3.0 _ 0.6 0.4 0.6 0.4 _ _ _ _ 1.2 _ _
Run of Wind                                                              
Miles (over 24 hrs) 157.9 174.23 98.13 210.1 369.2 101.73 86.88 149.59 135.77 161.16 287.85 75.72 61.82 70.3 96.78 147.34 233.77 176.83 292.3 256.11 79.22 190.39 135.56 139.74 113.38 89.5 44.14 104.24 82.8 148.89 195.57
Mean (mph) 8.6 9.4 5.3 11.4 20 5.5 4.7 8.1 7.4 8.7 15.6 4.1 3.3 3.8 5.2 8 12.7 9.6 15.8 13.9 4.3 10.3 7.3 7.6 6.1 4.8 2.4 5.6 4.5 8.1 10.6
Gust (mph) 41 37 26 38 43 14 12 23 33 29 35 25 17 16 17 30 51 50 45 40 25 28 33 36 26 22 13 20 21 32 37
Sunshine (hrs) 6.5 6.4 6.3 1.2 5.2 8.2 7.8 6.3 7.7 6.1 5.6 4.3 9.4 8.2 2.2 6.4 6.0 6.3 4.8 6.6 6.8 0.0 1.8 0.0 7.1 6.9 6.8 7.8 0.0 3.8 8.4
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 0.843 0.747 0.897 0.923 0.843 1.126 0.942 0.849 0.929 1.037 1.002 1.073 0.843 0.904 0.861 0.843 1.229 0.791 0.753 0.701 0.629 0.686 0.916 0.819 0.962 0.936 0.923 0.989 0.929 0.989 1.066
VP 0.742 0.734 0.883 0.909 0.782 1.038 0.915 0.822 0.854 0.942 0.927 0.937 0.782 0.87 0.847 0.775 1.147 0.561 0.686 0.566 0.461 0.659 0.835 0.772 0.928 0.929 0.909 0.948 0.882 0.914 0.937
Saturated                                                              
VP 0.936 0.758 0.91 0.936 0.897 1.229 0.968 0.873 1.002 1.141 1.081 1.229 0.897 0.936 0.873 0.904 1.331 1.002 0.808 0.808 0.753 0.706 0.995 0.861 0.995 0.942 0.936 1.03 0.975 1.066 1.212
RH % 79.3 96.8 97 97.1 87.2 84.5 94.5 94.2 85.2 82.6 85.8 76.2 87.2 92.9 97 85.7 86.2 56 84.9 70 61.2 93.3 83.9 89.7 93.3 98.6 97.1 92 90.5 85.7 77.3
                                                               
Dew Point (C) 2.7 2.5 5.2 5.6 3.4 7.5 5.7 4.1 4.7 6.1 5.9 6 3.4 5 4.6 3.3 9 -1.2 1.6 -1 -3.8 1 4.4 3.3 5.9 5.9 5.6 6.2 5.2 5.7 6
Pressure (mb) 989.0 1006.8 1005.3 1010.2 1006.0 998.0 1000.0 1017.0 1020.0 1035.1 1030.4 1022.5 1030.0 1036.1 1029.6 1028.7 1022.3 1003.6 995.8 1012.6 1020.4 1017.4 1017.9 1022.7 1019.6 1022.0 1017.9 1015.5 1012.2 1013.5 1024.0
Days with                                                              
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 1 _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 1 1 _ 1 _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1   _ _ _ _ _ _ _ _ _ _ 1   _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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