Climatological Observations - March 2009

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 8.00 9.00 9.00 9.00 9.00 9.00 9.00 9.00 8.00 9.00 9.00
Total Cloud (oktas) 9 0 8 1 4 0 7 0 2 8 8 8 9 4 2 0 6 3 9 4 0 5 6 1 6 4 6 8 7 3 6
Wind                                                              
Direction e wnw s w nnw w ssw sw sw wnw s sse ssw wnw wnw ssw ene se nne ese wnw nw w nnw wnw s wnw nnw calm ssw ssw
Speed (knots) 1 7 11 6 6 5 1 14 10 8 5 9 9 15 7 2 10 2 2 3 8 15 10 17 23 10 18 24 0 7 1
Weather 45 0 3 1 1 0 2 0 1 3 2 3 43 2 2 0 3 10 43 2 0 2 3 1 3 3 2 2 2 2 3
Visibility 4 8 6 8 6 7 7 8 8 8 8 8 3 7 7 9 8 7 1 6 5 7 8 8 8 7 7 8 7 7 7
Screen (C)                                                              
Dry Bulb 4.3 4.0 7.0 1.8 0.8 2.0 8.0 6.1 5.0 7.6 4.0 9.5 6.0 9.6 8.0 7.2 8.0 4.4 5.8 5.1 5.0 8.4 9.0 5.6 8.0 10.0 5.7 5.7 2.7 6.5 8.4
Wet Bulb 4.1 3.0 6.5 1.5 0.1 1.0 7.0 3.4 3.4 7.0 3.5 7.4 6.0 7.1 6.3 5.9 6.9 3.9 5.4 4.3 3.9 6.6 7.0 3.2 6.0 8.4 4.4 3.6 1.5 4.5 7.4
Max 10.5 10.0 9.6 7.3 6.6 9.5 11.4 9.0 10.0 9.9 12.7 13.5 9.9 12.6 13.2 15.3 11.0 14.5 12.4 12.0 13.8 13.0 11.8 10.0 10.1 14.5 9.4 9.2 8.6 12.0 13.6
Min 3.5 2.0 3.5 1.2 -0.9 -1.0 1.6 4.0 1.4 4.5 1.1 2.4 4.5 5.8 3.4 3.8 5.5 1.4 2.0 3.4 1.1 3.8 6.2 2.1 5.4 6.1 3.6 1.8 0.6 0.0 6.5
Black Bulb (Globe, C) 4.5 8.5 7.4 4 0.5 3.5 10.4 9.9 6.9 8.4 4.5 10 6.8 13.9 12.9 9.1 10.4 5.9 7.3 7.4 7.4 12.5 13 10.4 9.5 12 7 5.9 4.5 8.1 10.7
Grass & Concrete                                                              
State of Grass 3 1 1 3 7 7 1 1 1 3 3 1 1 0 1 0 0 1 1 0 1 0 1 0 3 0 0 3 0 0 1
State of Concrete 1 1 0 1 3 3 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
Concrete Min (C) -0.5 _ 3.5 0.0 -2.0 -3.0 -0.4 2.4 1.0 3.1 -0.1 0.1 0.2 _ 2.0 2.6 4.9 1.6 1.9 1.9 0.0 3.0 5.5 0.7 4.0 4.7 1.7 0.6 -0.6 -0.9 5.0
Evaporation                                                              
Piche (ml) 1.7 1.8 1.6 1.7 1.1 1.8 3.1 2.4 3.2 1.1 1.8 1.9 1.1 4.8 2.3 2.7 0.8 0.8 1.5 2.6 3 4.2 5 4.6 4 3.6 3.3 2.4 2.6 1.9 2.5
Pan (over interval, mm) > > > > > > > > > > > > > 13.78 > > > > > > > > > > > > > > > > 30.83
Rainfall                                                              
Total (mm) _ _ 7.8   0.1 _ 0.1 1.8 5.0 1.0 tr tr(fe) 0.1 _ _ _ _ _ _ _ _ _ 1.1 1.0 0.1 0.6 0.1 0.4 _ _ _
Duration (hrs) _ _ 5.0   0.1 _ 0.3 2.2 3.2 0.9 _ _ 0.2 _ _ _ _ _ _ _ _ _ 0.5 1.2 0.1 0.5 1.3 0.5 _ _ _
Intensity (mean over 24 hrs, mm/hr) _ _ 1.6 0.0 1.0 _ 0.3 0.8 1.6 1.1 _ _ 0.5 _ _ _ _ _ _ _ _ _ 2.2 0.8 1.0 1.2 0.1 0.8 _ _ _
Run of Wind                                                              
Miles (over 24 hrs) 83 57.92 217 103.37 116.65 171.63 112.35 176.34 196.65 104.21 118.83 99.91 163.02 146.9 56.23 75.82 74.35 68.99 46.24 51.26 164.81 187.93 286.31 184.91 247.05 163.63 166.95 134.11 65.23 52.57 38.32
Mean (mph) 4.5 3.1 11.8 5.6 6.3 9.3 6.1 9.6 10.7 5.6 6.4 5.4 8.8 8 3 4.1 4 3.7 2.5 2.8 8.9 10.2 15.5 10 13.4 8.9 9 7.3 3.5 2.8 2.1
Gust (mph) 17 19 40 15 27 17 34 36 40 24 18 22 20 32 18 15 18 15 19 15 26 34 49 36 50 33 35 40 <15 15 <15
Sunshine (hrs) 2.6 6.4 0.2 7.3 4.5 7.1 2.7 6.6 8.6 1.5 2.5 2.3 0.0 6.5 6.0 7.9 2.1 7.3 3.6 7.0 7.4 7.2 3.3 7.1 5.6 4.3 4.2 4.2 6.6 2.6 3.2
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 0.819 0.758 0.968 0.681 0.615 0.657 1.002 0.78 0.78 1.002 0.785 1.03 0.936 1.009 0.955 0.929 0.995 0.808 0.897 0.831 0.808 0.975 1.002 0.769 0.936 1.103 0.837 0.791 0.681 0.843 1.03
VP 0.805 0.69 0.934 0.661 0.568 0.59 0.934 0.598 0.672 0.961 0.751 0.888 0.936 0.839 0.84 0.841 0.92 0.774 0.87 0.777 0.734 0.853 0.866 0.607 0.801 0.994 0.749 0.649 0.6 0.708 0.962
Saturated                                                              
VP 0.831 0.814 1.002 0.696 0.648 0.706 1.073 0.942 0.873 1.044 0.814 1.188 0.936 1.196 1.073 1.016 1.073 0.837 0.923 0.879 0.873 1.103 1.149 0.91 1.073 1.229 0.916 0.916 0.742 0.968 1.103
Rel. Humidity 96.9 84.8 93.2 95 87.7 83.6 87 63.5 77 92 92.3 74.7 100 70.2 78.3 82.8 85.7 92.5 94.3 88.4 84.1 77.3 75.4 66.7 74.7 80.9 81.8 70.9 80.9 73.1 87.2
                                                               
Dew Point (C) 3.8 1.7 6 1.1 -1 -0.5 6 -0.3 1.3 6.4 2.9 5.2 6 4.4 4.5 4.5 5.8 3.3 5 3.3 2.5 4.7 4.9 -0.1 3.8 6.9 2.8 0.8 -0.2 2 6.4
Pressure (mb) 1007.7 1016.7 1008.6 982.6 991.4 1007.0 1011.4 1004.0 1008.0 1004.9 1023.8 1019.6 1022.0 1014.4 1031.3 1032.8 1036.1 1034.1 1029.3 1033.4 1030.8 1033.1 1018.8 1019.3 1000.9 1000.1 997.6 996.8 1014.1 1019.6 1024.2
Days with                                                              
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _
snow _ _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog 1 _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

This page was created by Pitsford Hall weather station on 03 April 2009.