Climatological Observations - April 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
Time of Observations (GMT) 9.00 9.00 9.00 9.00 8.00 9.00 9.00 9.00 9.00 9.00 8.00 9.00 9.00 9.00 9.00 9.00 9.00 8.00 9.00 9.00 9.00 9.00 9.00 9.00 8.00 9.00 9.00 9.00 9.00 9.00
Total Cloud (oktas) 1 8 7 7 8 8 8 0 7 2 7 7 1 8 8 7 0 0 8 0 0 0 0 7 7 2 1 7 3 7
Wind                                                            
Direction wnw sse s nw s s nw wnw nw ene n nne ne nw nw ne wnw ene se nnw nnw sse ssw sse sse nw se s w sw
Speed (knots) 12 14 6 8 9 18 8 6 4 3 12 10 12 15 10 11 1 10 2 12 10 4 9 7 6 3 2 11 4 2
Weather 2 3 3 3 2 2 3 0 2 2 3 2 1 2 2 1 2 5 3 3 0 0 0 2 1 1 0 3 2 1
Visibility 8 7 8 7 7 8 7 8 8 7 7 7 8 7 7 8 7 6 8 8 8 8 8 7 5 8 8 8 8 8
Screen (C)                                                            
Dry Bulb 4.7 6.7 6.3 5.6 6.6 10.8 9.2 9.6 12.0 11.1 7.3 7.6 10.0 7.6 6.4 10.8 9.5 10.0 11.0 8.5 8.0 10.1 11.7 12.0 10.9 13.0 15.5 15.5 16.0 13.0
Wet Bulb 2.7 5.8 5.3 4.8 5.8 8.8 8.4 7.6 10.0 9.1 6.0 6.4 7.2 6.4 5.6 8.4 7.4 8.0 7.8 5.4 4.5 5.8 6.6 7.0 9.2 11.0 10.5 12.0 12.9 10.5
Max 7.6 9.5 11.2 10.2 12.8 16.0 10.8 16.0 16.4 17.9 13.6 13.2 14.4 14.0 11.6 14.4 16.7 16.9 14.2 11.1 12.0 14.3 16.1 19.0 18.0 18.0 18.6 19.0 16.4 14.5
Min 1.0 3.1 3.1 4.1 2.5 6.4 7.2 2.5 5.2 6.0 5.1 6.0 3.6 5.2 5.2 2.4 1.6 3.4 5.5 1.9 1.5 0.6 3.2 4.2 9.0 6.5 5.5 9.1 10.5 6.5
Solar Radiation (W/m^2) 362 67 318 183 84 264 123 456 371 350 171 158 489 160 65 604 454 364 489 165 568 565 560 440 223 252 579 230 377 354
Grass & Concrete                                                            
State of Grass 1 3 1 3 3 1 3 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 3 0 0 0 0 3
State of Concrete 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2
Concrete Min (C) -0.4 3.0 2.5 4.3 2.5 5.6 6.4 1.1 4.4 5.2 5.6 5.2 2.7 4.4 4.4 1.5 1.1 4.3 6.8 1.7 0.6 1.0 3.5 5.3 9.4 6.5 5.5 9.0 11.0 6.5
Evaporation                                                            
Piche (ml) 1.4 1.7 2 3.5 > > > > 18.6 2.6 > > > > > 14.7 2 3.5 1.7 5 3.1 3.9 4.8 5.8 2.5 3.3 5.2 6 4 _
Pan (over interval, mm) > > > > > > > > > > > > > > > > > 38.55 > > > > > > > > > > > 34.13
Rainfall                                                            
Total (mm) 3.8 3.1 1.3 0.1 _ _ 0.1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.4 tr _ _ _ 2.5 1.1
Duration (hrs) 3.5 2.0 2.4 0.1 _ _ 0.8 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.7 _ _ _ _ 1.5 0.9
Intensity (mean over 24 hrs, mm/hr) 1.1 1.6 0.5 1.0 _ _ 0.1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.6 _ _ _ _ 1.7 1.2
Run of Wind                                                            
Miles (over 24 hrs) 140.57 157.24 118.88 151.66 300.16 201.78 161.13 76.53 43.91 71.08 242.49 210.74 260.44 233.89 188.07 105.32 35.62 58.61 89.33 171.73 52.06 50.25 60.35 76.56 88.75 88.11 128.57 149.62 83.38 68.17
Mean (mph) 7.6 8.5 6.4 8.2 16.3 10.9 8.7 4.1 2.4 3.9 13.1 11.4 14.1 12.7 10.2 5.7 1.9 3.2 4.8 9.3 2.8 2.7 3.3 4.1 4.8 4.8 7 8.1 4.5 3.7
Gust (mph) 30 23 21 30 33 31 25 20 <15 17 31 25 31 28 25 25 <15 16 23 31 19 15 <15 16 18 18 16 20 17 24
Sunshine (hrs) 2.5 2.6 4.2 7.5 0.1 0.3 0.0 10.4 2.4 9.3 2.6 0.7 9.8 6.3 0.2 8.3 12.2 8.0 4.4 11.3 11.1 10.4 12.3 9.0 5.5 6.5 4.5 1.3 3.5 3.8
Humidity Statistics                                                            
Saturated                                                            
VP(Twb) 0.742 0.923 0.891 0.861 0.923 1.133 1.103 1.044 1.229 1.156 0.936 0.962 1.016 0.962 0.91 1.103 1.03 1.073 1.059 0.897 0.843 0.923 0.975 1.002 1.164 1.313 1.27 1.403 1.489 1.27
VP 0.607 0.862 0.823 0.807 0.869 0.997 1.049 0.908 1.093 1.02 0.848 0.881 0.826 0.881 0.856 0.94 0.888 0.937 0.842 0.687 0.606 0.632 0.629 0.663 1.048 1.177 0.93 1.164 1.277 1.1
Saturated                                                            
VP 0.855 0.982 0.955 0.91 0.975 1.296 1.164 1.196 1.403 1.322 1.023 1.044 1.229 1.044 0.962 1.296 1.188 1.229 1.313 1.11 1.073 1.237 1.376 1.403 1.305 1.499 1.762 1.762 1.819 1.499
Rel. Humidity 71 87.8 86.2 88.7 89.1 76.9 90.1 75.9 77.9 77.2 82.9 84.4 67.2 84.4 89 72.5 74.7 76.2 64.1 61.9 56.5 51.1 45.7 47.3 80.3 78.5 52.8 66.1 70.2 73.4
                                                             
Dew Point (C) -0.1 4.8 4.2 3.9 4.9 6.9 7.7 5.6 8.3 7.3 4.6 5.1 4.2 5.1 4.7 6.1 5.2 6 4.5 1.6 -0.1 0.5 0.4 1.1 7.7 9.4 5.9 9.2 10.6 8.4
Pressure (mb) 1006.3 1003.2 1000.8 1009.3 1020.2 1015.5 1017.3 1031.2 1035.0 1035.5 1032.1 1030.9 1027.6 1023.0 1026.1 1030.3 1024.7 1016.1 1018.4 1018.7 1022.3 1020.7 1017.4 1019.4 1019.2 1024.8 1021.1 1011.7 1009.1 1009.1
Days with                                                            
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

This page was created by Pitsford Hall weather station on 08 May 2010.