PITSFORD HALL WEATHER STATION - CLIMATOLOGICAL OBSERVATIONS - NOVEMBER 2003 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 Hour of observations 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 09:00 Total Cloud (oktas) 0 8 6 2 6 7 8 8 1 9 9 8 7 4 7 2 8 8 8 8 8 8 8 5 8 8 2 6 8 1 Wind Direction nne ssw ssw ssw ssw s e e e sse sse nw ssw s w nnw ssw ssw sw ssw calm nne nne nnw ssw ssw w ssw s ssw Speed (knots) 10 14 7 5 9 2 8 14 1 2 1 2 12 17 6 6 9 9 10 10 0 8 10 7 11 20 1 5 18 3 Weather 0 25 2 0 3 2 28 51 10 10 45 20 2 2 2 2 2 2 2 2 40 63 2 3 3 63 3 1 20 11 Visibility 7 8 6 2 5 6 3 5 5 4 3 5 6 7 8 7 7 7 7 7 3 5 7 7 7 6 5 7 7 5 Screen (C) Dry Bulb 5.9 11.2 10.4 6.3 12.9 10.5 7.8 6.6 4.7 9.4 7.8 11.3 8.4 9.9 9.0 3.4 7.8 12.5 11.5 10.6 5.4 6.8 5.0 1.9 6.2 8.0 0.4 2.6 8.0 4.3 Wet Bulb 5.2 10.9 9.8 6.3 12.0 10.2 7.7 6.1 4.4 9.2 7.7 11.1 8.2 8.3 7.9 3.2 7.1 11.9 10.8 10.2 5.2 6.7 4.3 1.7 5.5 7.6 0.2 2.0 6.8 4.3 Max 11.2 13.8 14.2 14.1 15.4 14.0 13.1 8.5 9.0 12.5 11.1 13.0 11.9 12.0 12.5 10.4 12.7 14.5 15.1 11.5 8.8 6.4 6.9 8.6 11.6 9.1 7.3 9.4 10.5 8.6 Min 3.9 5.6 7.3 3.9 6.3 8.6 6.2 5.3 3.6 4.5 6.5 7.1 5.4 8.1 6.1 2.1 2.0 7.2 10.4 9.8 4.1 4.6 3.4 0.3 0.9 5.6 -1.6 -1.1 1.8 3.6 Ground Observations (C) Grass Min -0.1 1.4 4.8 -1.0 4.4 4.4 3.5 2.1 -0.8 1.1 2.4 7.4 -0.1 5.3 2.3 -3.0 -2.6 6.4 7.4 8.6 2.0 2.7 0.6 -3.0 -3.2 _ -4.6 -4.8 0.3 -1.4 Conc. Min 3.1 4.4 5.6 2.1 5.2 6.5 5.7 4.5 2.7 3.5 5.7 7.9 3.8 7.3 4.4 1.1 0.9 6.6 9.2 9.8 4.9 5.6 3.8 -0.1 0.4 _ -1.5 -2.0 1.9 2.5 Bare Earth Min 3.1 4.2 5.5 2.5 4.8 6.3 2.8 4.1 2.1 3.5 _ 7.7 3.5 6.5 4.4 1.1 1.0 6.5 9.1 9.5 5.3 5.7 4.0 0.9 1.0 _ -0.4 -1.0 1.9 2.5 Soil/Earth Temperatures (C) Surface 5.5 9.7 8.4 6.0 11.2 9.2 8.6 7.1 5.4 9.0 8.4 10.5 7.9 8.4 8.0 4.4 6.4 10.7 10.0 10.6 7.6 7.6 5.9 4.2 5.1 7.6 2.0 2.6 6.6 4.6 5cm 6.3 7.9 7.4 6.1 9.6 8.6 8.4 7.6 6.6 8.0 8.1 9.6 7.3 8.2 7.5 5.8 5.4 9.3 9.4 10.2 8.2 7.8 6.5 4.9 5.0 7.8 2.8 2.5 6.1 5.2 10cm 6.7 8.0 7.7 6.5 9.8 8.8 8.7 7.9 7.0 8.2 8.4 9.8 7.6 8.6 7.8 6.4 5.7 9.5 9.6 10.3 8.8 8.3 6.9 5.4 5.2 8.2 4.1 2.9 6.3 5.6 20cm 7.9 7.9 8.4 7.7 9.3 9.0 9.2 8.6 8.1 8.5 8.9 9.4 8.6 8.9 8.8 8.0 6.9 8.8 9.7 10.4 9.7 9.5 8.1 7.1 6.2 8.1 6.1 4.8 6.4 6.5 30cm 8.1 8.0 8.5 8.2 9.2 9.3 9.4 8.7 8.5 8.6 9.0 9.5 9.0 9.2 9.0 8.4 7.1 8.5 9.5 10.2 9.9 9.6 8.5 7.6 6.6 7.5 7.2 5.1 6.4 6.6 40cm 8.0 8.0 8.5 8.2 8.8 9.2 9.3 8.8 8.5 8.5 8.8 9.2 8.8 9.0 9.0 8.3 7.4 8.4 9.3 9.8 9.8 9.1 8.4 7.6 6.6 7.7 7.1 6.1 6.4 6.6 50cm 8.5 8.5 9.0 9.0 9.3 9.7 9.9 9.4 9.0 9.0 9.3 9.5 9.5 9.4 9.5 9.0 7.4 8.7 9.5 9.9 10.2 9.7 9.1 7.8 7.4 8.2 7.8 6.6 7.0 7.1 100cm 9.6 9.6 9.6 9.6 9.5 9.7 9.6 9.7 9.7 9.6 9.4 9.7 9.7 9.8 9.7 9.6 9.6 9.4 9.4 9.4 9.5 9.7 9.6 7.9 8.9 9.4 8.9 8.4 8.4 8.3 State of the Ground Without snow 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 2 4 1 1 1 With snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Snow depth _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ State of the Grass 3 3 3 3 1 1 1 3 4 1 2 3 3 3 3 7 7 3 3 3 3 3 3 7 1 3 7 1 1 4 State of the Concrete 1 1 2 0 1 1 1 0 0 1 1 1 1 1 0 0 1 1 1 1 1 2 1 1 0 2 0 1 0 1 Evaporation (mm) Hook-gauge reading 46.78 _ _ _ _ _ _ 50.1 _ _ _ _ _ _ 51.71 _ _ _ _ _ _ 56.67 _ _ _ _ _ 43.14 _ _ Total evaporation (less rainfall)> > > > > > > 3.48 > > > > > > 3.09 > > > > > > 1.28 > > > > > 4.91 > > Rainfall (mm) Total 3.7 3.0 0.1 _ _ _ tr tr 0.2 0.1 2.4 0.1 0.4 1.5 tr(x) _ 3.5 tr 2.3 4.1 8.7 11.4 9.4 0.2 11.5 3.4 tr tr 1.8 4.6 Duration (hrs) 6.4 5.2 _ _ _ _ _ _ 1.0 _ 3.9 _ 1.0 1.7 _ _ 3.7 _ 3.3 5.2 6.3 6.6 8.0 _ 6.2 3.3 _ _ 1.8 4.0 Intensity (mean over 24 hrs, mm/hr) 0.6 0.6 _ _ _ _ _ _ 0.2 _ 0.6 _ 0.4 0.9 _ _ 0.9 _ 0.7 0.8 1.4 1.7 1.2 _ 1.9 1.0 _ _ 1.0 1.2 Run of Wind Miles (over 24 hrs) 281.39 133.95 128.71 175.93 124.47 53.96 129.48 91.78 40.31 34.77 95.11 125.33 221.44 328.09 80.95 120.34 140.71 165.05 176.89 103.61 40.79 83.59 87.32 139.45 258.5 66.69 121.3 216.85 165.95 68.27 Mean (mph) 15.2 7.3 7 9.5 6.7 2.9 7 5 2.2 1.9 5.2 6.8 12 17.8 4.4 6.5 7.6 8.9 9.6 5.6 2.2 4.5 4.7 7.6 14 3.6 6.6 11.7 9 3.7 Gust (mph) 27 28 34 22 24 16 24 21 <15 <15 16 22 31 47 16 21 21 28 22 18 <15 21 18 24 31 28 <15 26 33 16 Sunshine (hrs) 7.3 3.5 6.3 4.5 6.5 0.0 6.7 1.1 0.8 0.1 0.0 4.3 1.0 2.1 3.4 7.1 0.0 0.6 0.0 0.0 0.0 0.0 0.0 4.3 0.0 3.5 7.0 4.4 0.0 3.2 Statistics Saturated VP(Twb) 0.885 1.305 1.212 0.955 1.403 1.245 1.052 0.942 0.837 1.164 1.052 1.322 1.088 1.095 1.066 0.769 1.009 1.394 1.296 1.245 0.885 0.982 0.831 0.691 0.904 1.044 0.62 0.706 0.989 0.831 VP 0.838 1.285 1.171 0.955 1.342 1.225 1.045 0.908 0.817 1.15 1.045 1.308 1.074 0.986 0.991 0.755 0.962 1.353 1.248 1.218 0.871 0.975 0.784 0.678 0.857 1.017 0.607 0.666 0.908 0.831 Saturated VP 0.929 1.331 1.262 0.955 1.489 1.27 1.059 0.975 0.855 1.18 1.059 1.34 1.103 1.22 1.149 0.78 1.059 1.45 1.358 1.279 0.897 0.989 0.873 0.701 0.949 1.073 0.629 0.737 1.073 0.831 RH % 90.2 96.5 92.8 100 90.1 96.5 98.7 93.1 95.6 97.5 98.7 97.6 97.4 80.8 86.2 96.8 90.8 93.3 91.9 95.2 97.1 98.6 89.8 96.7 90.3 94.8 96.5 90.4 84.6 100 Dew Point (C) 4.4 10.7 9.3 6.3 11.3 10 7.6 5.6 4.1 9 7.6 10.9 8 6.8 6.8 2.9 6.4 11.4 10.2 9.9 5 6.6 3.5 1.4 4.7 7.2 -0.1 1.2 5.6 4.3 Pressure (mb) 993.1 986.3 994.3 1023.3 1023.8 1025.7 1028.6 1022.5 1015.3 1021.1 1020.2 1012.2 1022.0 1005.7 1010.2 1015.5 1017.8 1017.8 1017.2 1009.9 1007.7 1001.6 1003.6 1008.7 1003.3 982.7 999.0 1008.7 1000.6 1001.1 Days with thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ hail<5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ hail>/=5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ fog _ _ _ 1 _ _ 1 _ _ 1 1 _ _ _ _ _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _