Climatological Observations - July 2008

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 8.00 9.00 9.00 9.00 7.00 7.00 9.00 8.00 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 8.00
Total Cloud (oktas) 1 7 7 3 7 8 6 5 8 5 3 6 3 8 2 5 8 8 5 8 3 7 8 2 2 1 1 1 4 7 8
Wind                                                              
Direction s s s s sse sse sw w se sw ssw nw wnw sw w nw sw wsw w nw nw wnw ene e ese nw nw ene sse sse ese
Speed (knots) 3 5 2 1 3 11 2 2 2 7 8 12 1 6 10 15 2 1 11 14 13 8 5 11 10 3 4 2 11 10 2
Weather 3 1 1 2 1 60 21 21 61 3 3 3 2 3 2 3 25 25 3 2 1 3 2 3 3 3 1 5 3 3 80
Visibility 7 6 5 7 7 6 8 7 6 7 7 7 8 8 7 8 7 7 7 7 7 7 7 7 7 7 7 6 7 7 6
Screen (C)                                                              
Dry Bulb 19.8 17.0 15.5 16.9 15.2 13.3 15.0 14.6 13.4 13.8 13.9 12.7 13.1 16.4 20.5 14.9 13.6 15.6 16.8 14.0 14.8 17.2 19.6 20.4 22.8 22.4 22.8 21.0 18.4 19.4 18.6
Wet Bulb 13.0 13.4 14.7 12.4 14.7 12.5 14.1 12.1 13.0 12.9 12.7 10.1 11.4 13.8 17.5 11.1 12.6 14.1 14.0 11.6 11.6 15.2 18.0 17.6 19.2 19.2 20.0 18.4 15.6 15.8 15.6
Max 25.4 18.5 20.3 20.5 20.4 18.8 18.1 19.3 16.7 20.6 19.5 16.2 20.4 21.2 25.0 18.1 16.1 18.0 19.2 16.8 19.2 22.0 24.4 26.0 26.0 26.4 27.8 28.7 22.0 25.4 24.0
Min 10.6 13.3 11.5 8.0 8.0 12.6 11.6 11.2 10.2 12.1 11.8 8.9 8.6 11.0 15.1 13.1 11.0 12.4 13.6 9.2 8.0 9.6 14.0 13.6 13.6 14.4 16.4 15.2 15.6 12.4 14.6
Black Bulb (Globe, C) 33.2 22.7 21.2 28.9 18.3 15.4 19.8 22.8 14.7 14.9 18.5 18.9 25 21.5 30.4 18.5 15.3 19.5 _ _ _ _ _ _ _ _ _ 32.2 27.9 28.3 20.2
Grass & Concrete                                                              
State of Grass 0 0 1 0 3 3 3 0 3 3 1 1 0 0 0 0 3 3 _ _ _ _ _ _ _ _ _ 3 3 0 3
State of Concrete 0 0 0 0 2 1 3 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1
Concrete Min (C) 9.6 12.6 11.0 6.9 6.6 12.0 13.6 9.7 8.8 10.1 9.7 7.5 6.6 9.6 14.0 12.8 10.1 11.4 13.8 9.2 7.9 9.6 14.2 13.8 13.8 14.7 16.8 15.5 15.1 11.0 14.0
Evaporation                                                              
Piche (ml) 6.2 2.2 3.6 4.2 5.3 1.1 2 3.1 0.4 3.2 1.7 2.7 3.7 1.7 4.1 3.4 1.5 > > > > > > > > > 27.4 3.3 4.1 5.7 2.3
Pan (over interval, mm) > > > > > > > > > 23.16 > > > > > 25.21 > > > > > > > > > > 34.06 > > > 15.17
Rainfall                                                              
Total (mm) _ 3.8 tr 3.7 0.1 8.8 4.8 4.5 12.6 0.1 14.0 tr _ _ _ 1.3 0.1 2.4 _ 0.1 _ _ _ _ _ _ 3.4 1.7 tr tr 1.2
Duration (hrs) _ 1.1 _ 1.8 0.1 4.5 3.0 3.2 12.1 0.1 4.8 0.1 _ _ _ 1.8 0.3 1.8 _ 0.3 _ _ _ _ _ _ 1.8 2.5 0.1 _ 1.0
Intensity (mean over 24 hrs, mm/hr) _ 3.5 _ 2.1 1.0 2.0 1.6 1.4 1.0 1.0 2.9 0.0 _ _ _ 0.7 0.3 1.3 _ 0.3 _ _ _ _ _ _ 1.9 0.7 0.0 _ 1.2
Run of Wind                                                              
Miles (over 24 hrs) 81.39 38.18 70.19 78.61 142.08 126.38 84.95 93.25 82.51 144.33 112.54 82.34 56.16 83.96 103.54 93.26 73.91 162.71 258.16 261.06 184.25 67.7 118.55 185.29 126.03 77.76 91.79 88.82 97.18 54.99 73.92
Mean (mph) 4.4 2.1 3.8 4.3 7.7 6.8 4.6 5.1 4.5 7.8 6.1 4.5 3 4.5 5.6 5.1 4 8.8 14 14.1 10 3.7 6.4 10 6.8 4.2 5 4.8 5.3 3 4
Gust (mph) 21 16 20 18 25 23 21 23 18 23 21 25 15 16 23 22 20 22 35 39 30 15 20 22 24 15 18 22 21 19 17
Sunshine (hrs) 10.6 1.6 8.3 9.6 7.4 3.2 6.0 7.8 0.0 8.6 5.2 5.4 8.6 1.5 8.9 4.3 0.0 0.3 5.6 7.3 13.6 5.4 0.9 5.4 6.0 12.2 3.9 9.3 9.9 11.1 0.5
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 1.499 1.538 1.674 1.441 1.674 1.45 1.61 1.413 1.499 1.489 1.469 1.237 1.349 1.579 2.001 1.322 1.46 1.61 1.599 1.367 1.367 1.728 2.065 2.014 2.226 2.226 2.34 2.118 1.773 1.796 1.773
VP 1.035 1.292 1.619 1.134 1.64 1.395 1.548 1.242 1.472 1.428 1.387 1.06 1.233 1.401 1.795 1.063 1.392 1.507 1.408 1.203 1.149 1.591 1.955 1.822 1.978 2.006 2.147 1.939 1.581 1.549 1.568
Saturated                                                              
VP 2.311 1.939 1.762 1.927 1.728 1.528 1.706 1.663 1.538 1.579 1.589 1.469 1.508 1.866 2.413 1.695 1.558 1.773 1.914 1.599 1.684 1.963 2.282 2.398 2.777 2.711 2.777 2.488 2.118 2.254 2.144
Rel. Humidity 44.8 66.6 91.9 58.8 94.9 91.3 90.7 74.7 95.7 90.4 87.3 72.2 81.8 75.1 74.4 62.7 89.3 85 73.6 75.2 68.2 81 85.7 76 71.2 74 77.3 77.9 74.6 68.7 73.1
                                                               
Dew Point (C) 7.5 10.8 14.2 8.8 14.4 11.9 13.5 10.2 12.7 12.3 11.8 7.8 10.1 12 15.8 7.9 11.9 13.1 12.1 9.7 9 13.9 17.1 16 17.3 17.5 18.6 17 13.8 13.5 13.7
Pressure (mb) 1013.9 1009.2 1007.8 1016.4 1007.6 1001.1 994.3 1004.7 1012.1 1006.1 1004.6 1008.7 1014.5 1021.1 1024.2 1022.6 1014.6 1010.4 1005.5 1017.0 1023.3 1026.1 1025.4 1018.8 1009.4 1015.3 1017.5 1016.0 1012.1 1016.9 1013.1
Days with                                                              
thunder _ _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ _
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
*Some readings obtained from the                                                              
automatic weather station                                                              

This page was created by Pitsford Hall weather station on 01 August 2008.