Climatological Observations - January 2010

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 2 2 1 8 8 2 1 5 8 8 9 8 9 7 8 5 9 9 6 7 5 8 8 6 6 6 6 7 0 5
Wind                                                              
Direction nw w ene n s nne nw nnw nne ne ene se ene e sse sse ssw s se se se s nnw wsw ene nne ssw nnw nnw nnw wnw
Speed (knots) 9 8 2 3 9 10 12 10 14 12 8 2 2 1 5 16 3 9 1 1 2 12 8 7 11 2 4 6 12 8 9
Weather 10 2 2 10 26 2 1 2 26 26 2 50 71 45 61 62 2 43 2 10 10 21 10 10 10 2 2 2 1 0 2
Visibility 6 7 7 6 6 6 9 9 6 6 6 4 5 2 6 6 7 3 5 5 5 5 5 5 6 7 6 6 6 8 7
Screen (C)                                                              
Dry Bulb -1.6 -1.3 -1.4 -4.3 -1.5 -1.0 -4.3 -3.1 -1.6 1.4 0.5 0.5 0.0 0.4 0.5 3.8 2.7 5.0 6.0 3.5 2.0 6.7 4.1 2.6 3.1 1.0 0.4 3.5 3.6 -1.0 -1.3
Wet Bulb -1.8 -1.4 -1.5 -4.4 -1.7 -1.0 -4.7 -3.3 -1.8 0.9 0.5 0.5 -0.1 0.2 0.2 3.6 2.5 5.0 5.5 2.8 1.9 6.4 3.8 2.5 2.4 0.1 -0.3 3.0 3.4 -1.9 -1.4
Max 1.0 4.4 2.5 0.7 0.6 1.3 1.1 1.2 1.4 1.7 1.9 0.8 1.3 2.5 5.6 6.6 8.0 8.0 6.6 3.6 6.7 8.2 4.7 6.8 2.6 3.2 7.3 6.9 4.0 2.8 2.1
Min -2.5 -2.4 -1.9 -5.4 -4.6 -1.9 -6.6 -4.9 -3.9 -1.9 0.1 0.1 -0.4 -0.7 -0.2 0.1 2.0 1.5 4.5 3.1 1.5 1.8 3.8 2.2 2.7 0.6 -1.5 0.0 2.8 -2.6 -2.9
Solar Radiation (W/m^2) 93 86 23 62 12 9 16 12 174 19 5 7 9 33 5 7 60 12 11 5 21 5 28 46 30 26 26 33 14 164 93
Grass & Concrete                                                              
State of Grass 7 7 7 8 9 9 9 9 9 9 9 9 9 9 9 3 3 2 1 1 1 3 3 3 3 1 1 1 1 7 9
State of Concrete 3 3 3 3 3 3 3 3 3 1 3 1 3 1 3 2 1 2 1 1 1 2 0 0 1 0 0 0 1 0 3
Concrete Min (C) -4.0 -4.0 -3.4 -6.9 -6.1 -2.1 -6.9 -6.2 -5.0 -2.9 -0.2 0.1 -0.2 -3.0 0.4 1.0 0.5 0.5 5.0 3.0 -2.0 -0.9 4.5 2.5 1.9 0.9 -2.0 -0.1 -0.4 -3.9 -5.4
Evaporation                                                              
Piche (ml) > 1.9 > > > > > > 2.6 0.3 0.2 1.3 > 0.4 0.4 0.3 0.5 0.5 0.6 0.5 0.9 0.5 0.3 0.6 0.3 0.8 1.1 1.9 > > _
Pan (over interval, mm) > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
Rainfall                                                              
Total (mm) _ 0.1 _ tr 1.1 1.2 _ 0.2 tr 2.7 0.1 1.7 1.7 1.4 8.5 4.4 0.1 tr(fe) _ _ 1.5 9.9 0.1 3.3 _ _ _ 3.3 _ tr tr
Duration (hrs) _ 0.3 _ _ 3.0 1.8 _ 0.2 _ 4.8 _ 3.2 3.5 0.5 5.3 3.2 _ _ _ _ 5.4 8.3 _ 7.7 _ _ _ 6.0 _ 0.1 _
Intensity (mean over 24 hrs, mm/hr) _ 0.3 _ _ 0.4 0.7 _ 1.0 _ 0.6 _ 0.5 0.5 2.8 1.6 1.4 _ _ _ _ 0.3 1.2 _ 0.4 _ _ _ 0.6 _ 0.0 _
Run of Wind                                                              
Miles (over 24 hrs) 74.95 100.58 30.04 83.64 100.14 99.17 208.24 78.85 183.35 127.7 51.48 60.92 49.43 52.97 154.25 179.52 90.82 100.01 98.05 141.19 215.1 108.74 56.61 73.74 160.55 108 185.49 93.56 60.45 88.63 92.68
Mean (mph) 4.1 5.4 1.6 4.5 5.4 5.4 11.3 4.3 9.9 6.9 2.8 3.3 2.7 2.9 8.4 9.7 4.9 5.4 5.3 7.6 11.7 5.9 3.1 4 8.7 5.9 10 5.1 3.3 4.8 5
Gust (mph) <15 19 <15 <15 21 31 32 29 29 25 <15 22 <15 <15 30 24 15 16 20 19 19.2 18 <15 23 16 16 34 30 34 20 17
Sunshine (hrs) 3.1 2.6 3.1 2.5 0.2 0.0 3.0 2.3 2.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 0.0 0.0 0.0 1.5 0.0 0.0 2.0 0.0 1.7 0.0 2.9 2.8 6.4 0.6
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 0.535 0.551 0.547 0.441 0.539 0.568 0.431 0.479 0.535 0.652 0.634 0.634 0.607 0.62 0.62 0.791 0.732 0.873 0.904 0.747 0.701 0.962 0.802 0.732 0.726 0.615 0.598 0.758 0.78 0.532 0.551
VP 0.522 0.544 0.54 0.434 0.526 0.568 0.404 0.466 0.522 0.618 0.634 0.634 0.6 0.607 0.6 0.777 0.719 0.873 0.87 0.7 0.694 0.942 0.782 0.725 0.679 0.554 0.551 0.724 0.766 0.472 0.544
Saturated                                                              
VP 0.543 0.556 0.551 0.444 0.547 0.568 0.444 0.486 0.543 0.676 0.634 0.634 0.611 0.629 0.634 0.802 0.742 0.873 0.936 0.785 0.706 0.982 0.819 0.737 0.763 0.657 0.629 0.785 0.791 0.568 0.556
Rel. Humidity 96.1 97.8 98 97.7 96.2 100 91 95.9 96.1 91.4 100 100 98.2 96.5 94.6 96.9 96.9 100 92.9 89.2 98.3 95.9 95.5 98.4 89 84.3 87.6 92.2 96.8 83.1 97.8
                                                               
Dew Point (C) -2.1 -1.6 -1.7 -4.6 -2 -1 -5.6 -3.7 -2.1 0.2 0.5 0.5 -0.2 -0.1 -0.2 3.3 2.3 5 5 1.9 1.8 6.1 3.4 2.4 1.5 -1.3 -1.4 2.4 3.1 -3.5 -1.6
Pressure (mb) 1006.7 1015.8 1025.6 1022.3 1006.4 1003.7 1011.7 1023.3 1027.7 1020.8 1019.9 1012.7 1001.5 1004.6 1016.9 1004.9 1015.1 1023.9 1023.1 1011.4 1019.9 1015.6 1021.4 1024.4 1031.3 1041.7 1033.6 1015.8 991.2 1000.7 1005.0
Days with                                                              
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ 1 1 _ 1 1 1 1 _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1
fog _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

This page was created by Pitsford Hall weather station on 03 February 2010.