Climatological Observations - September 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
Time of Observations (GMT) 9.00 8.00 8.00 9.00 9.00 7.00 7.00 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 9.00 9.00 9.00 9.00 9.00 9.00 9.00 8.00
Total Cloud (oktas) 4 5 7 3 8 0 1 7 8 5 1 4 1 7 1 7 7 1 7 5 8 8 3 2 6 5 3 6 8 5
Wind                                                            
Direction nnw wnw nnw nne nnw n nnw nnw nnw nnw nne calm calm nnw s sw nnw nnw sws ssw ssw s s w nnw nne n n nne calm
Speed (knots) 14 9 8 6 2 8 7 14 7 15 7 0 0 10 2 6 7 8 10 7 14 1 12 16 7 10 20 16 6 0
Weather 3 2 2 1 5 10 10 3 10 3 0 2 2 3 2 2 3 1 51 61 2 2 3 1 3 2 3 27 2 2
Visibility 8 8 7 8 7 5 6 7 5 7 7 6 7 7 7 6 7 8 7 5 7 7 7 8 7 8 7 6 7 7
Screen (C)                                                            
Dry Bulb 16.3 15.7 12.4 14.1 16.7 14.3 13.4 15.1 13.6 16.5 15.0 17.0 17.4 17.6 13.6 12.1 13.1 9.2 13.1 14.4 16.5 14.8 16.4 12.5 14.0 8.7 10.2 12.1 12.2 7.6
Wet Bulb 13.9 14.1 11.0 10.2 14.6 14.0 13.0 13.4 13.2 14.0 11.5 14.9 14.6 14.4 11.8 11.4 11.2 6.7 11.7 14.0 14.0 13.6 14.4 10.8 11.4 6.6 7.9 11.0 11.6 7.0
Max 20.6 20.4 18.0 18.4 21.3 23.5 21.5 16.5 20.5 20.0 19.4 21.9 22.5 18.0 20.0 20.0 15.3 14.8 18.3 18.9 18.0 18.8 19.6 16.1 15.0 12.0 12.7 13.0 16.5 14.2
Min 13.8 11.6 10.6 9.0 13.0 13.3 13.0 11.1 11.1 13.0 7.8 10.9 8.9 11.4 7.4 9.0 9.9 4.5 7.4 12.6 12.1 12.4 11.3 10.9 8.0 5.6 5.4 9.2 11.1 5.1
Black Bulb (C) 21.5 18 14.2 26 20.6 14.3 13.5 20.1 15 20.1 23.2 26 23 23.9 22 14.1 17 14.5 14.2 14.9 19 _ _ _ 20.5 12 15.4 14 13.7 10.8
Concrete                                                            
State of Concrete 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 1 0 0
Concrete Min (C) 13.2 12.0 10.3 9.3 13.7 13.0 13.4 10.8 10.6 13.2 _ 8.0 6.9 9.0 4.9 6.5 7.4 1.1 4.9 10.1 9.5 11.2 10.6 10.3 4.5 2.7 2.2 6.4 8.8 2.1
Evaporation                                                            
Piche (ml) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Pan (over interval, mm) > > > > > > > 18.73 > > > > > > > > > > > > > > > > 39.98 > > > > 15.33
Rainfall                                                            
Total (mm) _ 2.7 _ _ _ _ _ _ tr _ _ _ _ tr _ 0.1 1.5 tr 1.6 0.7 5.0 0.1 8.6 0.6 11.3 _ 2.9 3.1 tr tr
Duration (hrs) _ 1.4 _ _ _ _ _ _ _ _ _ _ _ _ _ 0.2 1.2 _ 2.2 0.4 2.2 0.1 5.0 0.6 2.7 _ 3.3 14.0 _ _
Intensity (mean over 24 hrs, mm/hr) _ 1.9 _ _ _ _ _ _ _ _ _ _ _ _ _ 0.5 1.3 _ 0.7 1.8 2.3 1.0 1.7 1.0 4.2 _ 0.9 0.2 _ _
Run of Wind                                                            
Miles (over 24 hrs) 92.29 132.34 68.99 53.26 96.59 49.39 100.13 76.85 115.23 131.54 63.19 19.99 62.65 90.2 71.17 128.3 154.25 107.93 166.46 147.36 141.08 93.29 240.63 128.75 105.17 200.75 148.12 124.37 436.94 71.28
Mean (mph) 5 7.2 3.7 2.9 5.2 2.7 5.4 4.2 6.2 7.1 3.4 1.1 3.4 4.9 3.9 6.9 8.4 5.8 9 8 7.6 5.1 13 7 5.7 10.9 8 6.7 23.7 3.9
Gust (mph) 23 24 19 <15 23 <15 18 17 23 35 15 <15 21 24 <15 25 29 19 24 22 33 22 36 39 24 34 31 30 17 16
Sunshine (hrs) 6.2 4.5 11.0 9.3 3.9 7.4 9.3 0.4 4.5 8.2 6.9 5.0 6.3 6.4 9.0 6.7 3.5 6.0 3.3 3.9 0.1 0.0 2.1 6.1 3.6 6.7 2.3 0.7 3.9 4.9
Humidity Statistics                                                            
Saturated                                                            
VP(Twb) 1.589 1.61 1.313 1.245 1.663 1.599 1.499 1.538 1.518 1.599 1.358 1.695 1.663 1.641 1.385 1.349 1.331 0.982 1.376 1.599 1.599 1.558 1.641 1.296 1.349 0.975 1.066 1.313 1.367 1.002
VP 1.425 1.501 1.218 0.98 1.519 1.578 1.472 1.422 1.491 1.428 1.119 1.551 1.471 1.422 1.262 1.301 1.202 0.813 1.281 1.572 1.428 1.476 1.504 1.18 1.172 0.833 0.91 1.238 1.326 0.961
Saturated                                                            
VP 1.854 1.785 1.441 1.61 1.902 1.631 1.538 1.717 1.558 1.878 1.706 1.939 1.988 2.014 1.558 1.413 1.508 1.164 1.508 1.641 1.878 1.684 1.866 1.45 1.599 1.126 1.245 1.413 1.422 1.044
Rel. Humidity 76.9 84.1 84.5 60.9 79.9 96.8 95.7 82.8 95.7 76 65.6 80 74 70.6 81 92.1 79.7 69.8 84.9 95.8 76 87.6 80.6 81.4 73.3 74 73.1 87.6 93.2 92
                                                             
Dew Point (C) 12.2 13 9.9 6.7 13.2 13.8 12.7 12.2 12.9 12.3 8.6 13.5 12.7 12.2 10.4 10.9 9.7 4 10.6 13.7 12.3 12.8 13.1 9.4 9.3 4.3 5.6 10.1 11.1 6.4
Pressure (mb) 1021.6 1017.3 1017.7 1029.5 1030.0 1031.7 1032.4 1028.8 1025.9 1018.3 1027.1 1028.9 1025.9 1018.0 1026.5 1013.3 1010.5 1024.2 1018.4 1014.5 1014.1 1020.7 1016.3 1003.6 1012.1 1022.6 1022.9 1015.5 1014.8 1022.7
Days with                                                            
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
* Some or all readings recorded from                                                            
the automatic weather station                                                            

This page was created by Pitsford Hall weather station on 03 October 2007.