Climatological Observations - May 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 31st
Time of Observations (GMT) 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 9.00 8.00 9.00 9.00 9.00 8.00
Total Cloud (oktas) 0 1 8 8 8 8 8 8 7 7 5 7 8 8 8 6 8 3 5 4 8 4 1 6 8 6 8 8 8 8 4
Wind                                                              
Direction ne ne nnw nnw nne s calm sse calm s wsw ssw calm calm calm calm nnw ssw s calm nne wnw wsw wnw nw nnw ne nnw w sse sse
Speed (knots) 9 9 11 5 8 10 0 8 0 6 8 14 0 0 0 0 10 9 12 0 3 2 2 1 3 4 15 23 7 9 7
Weather 2 2 2 2 2 10 10 2 3 2 1 3 2 14 20 1 20 1 3 2 2 2 1 2 3 3 61 62 60 60 3
Visibility 8 7 6 6 7 6 5 7 6 7 7 8 6 5 5 7 6 8 7 8 7 7 8 7 7 8 5 7 7 7 7
Screen (C)                                                              
Dry Bulb 16.5 11.6 8.9 9.0 9.0 13.5 11.1 12.6 13.1 13.9 13.0 13.9 11.5 11.3 10.8 12.1 14.9 16.3 13.5 12.6 12.6 15.9 18.9 19.5 16.5 12.0 8.9 5.8 7.9 10.5 13.0
Wet Bulb 12.0 9.8 7.8 7.5 7.5 11.7 10.7 10.4 10.2 10.7 10.9 11.6 10.9 10.5 10.4 11.0 14.2 13.2 10.3 10.0 10.4 11.9 14.9 16.1 14.7 9.5 8.5 5.4 7.1 9.2 12.1
Max 20.4 17.0 15.0 12.3 13.3 19.5 16.6 17.5 16.4 16.3 15.7 16.0 13.5 12.7 16.3 14.5 17.5 18.9 16.9 17.1 15.6 20.7 23.0 22.1 16.5 14.4 10.4 9.4 13.5 17.0 17.5
Min 7.0 7.2 6.9 7.2 7.6 8.1 10.0 9.0 8.2 8.1 7.0 8.8 8.9 8.6 5.3 9.5 11.3 12.2 7.0 5.0 8.5 5.8 8.7 14.8 11.3 9.1 7.2 5.3 4.4 2.5 8.1
Ground Observations (C)                                                              
Grass Min 3.5 4.4 4.9 3.8 6.5 2.4 9.1 5.0 4.6 5.2 5.9 6.2 5.3 6.3 0.9 8.0 10.2 7.2 2.6 0.8 4.9 1.7 4.9 11.0 7.2 8.0 6.3 4.1 0.9 -1.8 3.5
Conc. Min 5.5 6.0 7.6 7.2 7.6 6.5 9.8 6.5 7.4 5.9 6.5 7.1 7.5 7.7 3.8 9.1 10.6 9.5 5.6 4.7 8.0 5.1 8.1 13.9 10.5 9.1 7.4 5.0 3.9 2.0 6.0
Bare Earth Min 5.5 7.2 7.0 7.3 8.0 6.6 10.1 6.8 7.5 6.7 7.4 7.7 8.1 8.9 5.2 10.0 11.4 10.4 5.9 4.9 7.9 5.6 8.5 13.9 9.9 9.3 8.1 5.6 4.6 2.6 6.9
Soil/Earth Temperatures (C)                                                              
Surface 15.2 14.2 11.8 11.5 12.0 14.0 14.0 12.5 14.8 14.0 13.5 13.6 12.5 11.5 11.3 14.6 15.2 15.9 12.4 11.9 12.7 14.4 17.6 19.9 16.9 14.9 11.3 8.4 10.3 12.3 13.0
5cm 13.0 13.4 12.3 12.0 11.8 11.9 13.2 11.8 13.0 12.2 12.1 12.2 12.0 11.2 10.2 12.8 12.6 14.5 11.7 11.2 12.7 12.5 15.1 17.5 16.1 14.3 12.2 9.5 10.0 10.1 11.3
10cm 13.0 13.6 12.6 12.4 12.3 12.1 13.5 12.1 13.2 12.3 12.2 12.3 12.3 11.6 10.4 13.1 12.7 14.9 11.8 11.4 13.1 12.5 15.1 17.6 16.5 14.6 12.6 10.0 10.3 10.2 11.5
20cm 12.5 14.0 14.0 13.0 12.7 12.5 13.4 12.5 13.5 12.8 12.5 12.3 12.6 11.9 10.7 13.6 13.0 15.3 12.4 12.4 13.0 12.6 14.3 16.6 16.3 15.0 14.0 12.6 11.0 10.9 11.7
30cm 13.2 13.7 13.6 12.9 12.9 12.7 13.4 13.0 13.2 13.4 13.0 12.9 13.2 12.1 11.3 13.1 13.3 15.6 13.3 13.3 13.6 13.3 14.6 16.1 16.3 15.5 14.6 12.4 12.1 12.1 12.6
40cm 13.6 13.8 13.5 12.6 12.7 12.6 13.2 12.9 13.6 13.2 12.5 12.7 12.9 12.2 11.5 12.7 13.0 16.1 13.3 13.1 13.4 13.3 14.3 15.8 16.1 15.4 14.4 12.6 11.9 11.8 12.3
50cm 13.5 13.5 13.5 13.5 13.0 12.9 13.3 13.4 13.9 13.5 13.4 13.2 13.3 12.5 11.8 12.4 13.1 16.7 13.7 13.5 13.6 13.5 14.4 15.5 15.9 15.5 14.8 13.4 12.6 12.6 12.7
100cm 11.9 11.8 11.8 11.8 11.9 11.9 11.8 11.8 11.9 12.0 12.0 12.1 12.0 11.8 11.9 11.9 12.1 12.0 12.3 12.3 12.3 12.4 12.6 12.8 13.1 13.4 13.4 13.3 12.9 12.7 12.5
State of the Ground                                                              
Without snow 9 9 9 9 9 9 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 9 9 1 1 2 1 1 1
With snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Snow depth _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
State of the Grass 0 0 0 0 0 0 3 3 1 3 3 3 3 3 3 3 3 2 1 1 1 1 1 1 1 1 3 3 3 3 1
State of the Concrete 0 0 0 0 0 0 1 0 0 1 1 0 0 2 2 0 1 0 0 0 0 0 0 0 0 0 2 2 1 1 0
Pan                                                              
Evaporation (mm)                                                              
Evap. over interval > > > > > > > > > > 24.62 > > > > 7.00 > > > > > > 16.66 > > > 10.53 > > > 12.17
Rainfall (mm)                                                              
Total _ _ _ _ _ 3.0 0.6 0.2 4.0 18.8 3.1 0.3 15.3 3.0 13.8 6.2 0.7 _ 0.1 _ 0.2 _ _ _ 1.3 9.4 30.8 7.6 1.1 2.7 8.1
Duration (hrs) _ _ _ _ _ 6.6 0.8 0.1 4.7 12.2 3.3 0.1 8.1 2.4 1.7 5.9 0.7 _ 0.1 _ 0.5 _ _ _ 1.8 11.8 24.0 4.3 1.9 1.5 1.5
Intensity (mean over 24 hrs, mm/hr) _ _ _ _ _ 0.5 0.8 2.0 0.9 1.5 0.9 3.0 1.9 1.3 8.1 1.1 1.0 _ 1.0 _ 0.4 _ _ _ 0.7 0.8 1.3 1.8 0.6 1.8 5.4
Run of Wind                                                              
Miles (over 24 hrs) 170.76 135.04 114.92 101.64 71.67 110.71 76.96 41.77 238.29 121.59 121.5 116.75 94.11 116.91 62.59 77.77 104.75 159.23 90.86 67.37 69.26 57.98 43.05 64.08 71.35 87.9 237.89 130.08 75.21 67.04 60.71
Mean (mph) 9.2 7.3 6.2 5.5 3.9 6 4.2 2.3 12.9 6.6 6.6 6.3 5.1 6.3 3.4 4.2 5.7 8.6 4.9 3.6 3.8 3.1 2.3 3.5 3.9 4.8 12.9 7 4.1 3.6 3.3
Gust (mph) 27 25 23 20 16 25 28 38 29 28 20 26 28 30 15 19 23 29 26 15 21 16 <15 <15 17 18 47 36 20 18 16
Sunshine (hrs) 11.3 10.5 7.6 0.8 4.4 1.7 5.2 6.5 0.5 3.0 4.8 7.1 0.0 3.2 2.5 0.0 0.5 8.5 10.4 8.8 0.4 10.1 9.4 8.1 2.4 3.0 0.0 0.0 5.2 1.9 4.6
Humidity Statistics                                                              
Saturated                                                              
VP(Twb) 1.403 1.212 1.059 1.037 1.037 1.376 1.287 1.262 1.245 1.287 1.305 1.367 1.305 1.27 1.262 1.313 1.62 1.518 1.253 1.229 1.262 1.394 1.695 1.831 1.674 1.188 1.11 0.897 1.009 1.164 1.413
VP 1.096 1.09 0.984 0.935 0.935 1.253 1.26 1.112 1.048 1.069 1.162 1.21 1.264 1.216 1.235 1.238 1.572 1.306 1.035 1.052 1.112 1.121 1.421 1.598 1.551 1.018 1.083 0.87 0.955 1.076 1.352
Saturated                                                              
VP 1.878 1.367 1.141 1.149 1.149 1.548 1.322 1.46 1.508 1.589 1.499 1.589 1.358 1.34 1.296 1.413 1.695 1.854 1.548 1.46 1.46 1.808 2.185 2.268 1.878 1.403 1.141 0.923 1.066 1.27 1.499
RH % 58.4 79.7 86.2 81.4 81.4 80.9 95.3 76.2 69.5 67.3 77.5 76.1 93.1 90.7 95.3 87.6 92.7 70.4 66.9 72.1 76.2 62 65 70.5 82.6 72.6 94.9 94.3 89.6 84.7 90.2
                                                               
Dew Point (C) 8.3 8.2 6.7 6 6 10.3 10.4 8.5 7.7 7.9 9.2 9.8 10.4 9.8 10.1 10.1 13.7 10.9 7.5 7.7 8.5 8.6 12.2 14 13.5 7.2 8.1 5 6.3 8 11.4
Pressure (mb) 1016.4 1018.3 1019.6 1018.2 1020.7 1015.0 1009.0 1008.0 1013.3 1005.0 1003.0 1000.8 1003.2 1004.0 1012.8 1013.5 1011.3 1010.6 1009.5 1016.6 1019.1 1021.9 1023.5 1018.0 1009.6 1007.7 998.9 1005.6 1010.8 1003.6 1007.6
Days with                                                              
thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1
hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
gales _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

This page was created by Pitsford Hall weather station on 04 June 2007.