Pitsford Hall weather station Climatological Observations November 2000 Observations 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 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 Total Cloud 1 8 5 4 6 6 5 8 8 1 8 1 0 6 9 8 4 8 8 3 9 4 8 4 8 3 7 8 7 8 Wind Direction s sse wsw w sse ese ne nw w w ssw ssw ssw s s nw w ssw wnw ssw s s se s s ssw s s s s Speed (knots) 10 7 8 10 6 2 8 10 9 6 19 14 9 2 2 8 13 16 7 9 2 18 6 5 21 16 16 16 12 12 Weather 1 62 1 1 2 2 1 20 20 2 51 1 0 3 45 1 1 2 21 2 43 61 2 11 2 2 2 20 3 40 Visibility 8 7 7 7 5 5 7 7 7 7 5 8 7 5 2 6 7 5 6 7 3 7 5 7 6 7 7 7 7 4 Screen (C) Dry Bulb 6.1 6 5.6 5.9 4.7 7.6 8.2 6.8 7.1 4.9 10.7 7.4 3.4 3.4 0.5 7.1 3.8 6.2 7.7 1.5 3 8.1 4.4 2.9 8.9 7.5 4.9 13.4 12.6 7.9 Wet Bulb 5.4 5.6 5.4 5.4 4.5 7.5 7.8 6.1 6.8 4.6 10.4 6.5 3.2 1.6 0.3 6.9 3 6.1 7.5 1.3 2.9 6.9 4.3 2.8 8.4 5.9 4.2 12.8 11 7.8 Max 10.2 9.5 10.8 11.1 9 9.7 9.8 8.9 8.4 10.5 10.8 10.4 10.5 9.7 10.3 10.5 11.1 10.6 8 5.2 8.1 7.2 6.8 8.9 10.2 10.1 13 14.8 13.6 11.2 Min 4.9 3.9 4.4 2.1 2.1 4.3 7.4 5.3 6 4 4.6 6.1 1.4 0.5 -1.7 0.2 0.7 2.3 6 0.3 1.1 3.1 3.4 2.1 3 5.3 3 3.6 9.4 4.9 Ground Obs Grass Min 1.8 0.9 2.3 -2.5 -2.4 1.2 4.3 3.1 3.8 -0.5 1.2 3.5 -1.7 -4.1 -5.1 0.8 -4 -2.2 6 -7 -3.2 3.2 -0.8 -2.2 -0.6 3.2 -1.2 0.1 5.6 1.3 Conc. Min 3.9 2.5 4.4 1.1 0.6 4.3 6.8 5.5 5.4 2.6 3.3 4.6 0.3 -0.6 -2.1 0.4 -0.4 0.6 5.9 -0.1 0.3 3.6 1.8 1.4 1.2 4.3 1.4 1.6 7.1 4.1 Bare Earth Min 3.1 2 3.2 -0.2 -0.4 3.7 5.6 4.3 4.6 1.9 2.8 4 -0.9 -2.1 -2.5 -0.1 -1.2 -0.4 5.8 -1.6 -1.2 6.1 0.9 -0.1 1.1 4.2 1.7 0.6 6.6 2.5 Soil Temps 5cm 6 5.4 5.6 4 4.3 6.6 7.5 6.9 6.9 5.3 8.9 5.9 2.8 2.5 2.5 5.4 2.1 4.5 7.4 2.1 3.4 4.7 3.6 3.1 6.2 5 2.5 4.5 8.3 5.9 10cm 6.9 5.9 6.1 4.6 4.6 6.9 7.7 7.3 7.1 6.3 8.3 6.4 3.8 3.1 3 5.6 3 4.1 7.1 3.3 4 5.2 4.3 3.9 6 5.4 3.2 5.1 8 6 20cm 8.2 7.3 7.3 6.3 6.1 7.5 8.3 8.1 7.8 7.5 8.3 7.6 6 5 4.5 5.9 4.5 5 7.1 5 4.8 5.6 5.2 5.3 6.1 6 5 5.4 7.9 7 30cm 9.3 8.5 8.2 7.8 7.6 8.1 8.5 8.4 8.5 8.3 8.6 8.5 7.4 6.4 5.9 6.5 6.1 6.1 7.5 6.5 6 5.7 6.1 5.9 6.5 6.6 5.9 6.2 8.4 8 40cm 9.7 9.2 8.7 8.4 8.1 8.3 8.6 8.6 8.9 8.6 8.6 8.8 8.2 7.1 6.6 7 6.6 6.6 7.3 7.1 6.4 5.9 6.5 6.4 6.5 6.7 6.4 6.6 8.9 8.1 50cm 10.3 10 9.5 9.1 8.9 8.9 9.2 9.2 9.1 9.1 9.1 9.4 8.7 7.6 7.5 7.7 7.5 7.2 7.6 7.6 7 6.6 7 6.9 7 7.2 6.9 7.3 8 8.4 100cm 11 10.9 10.6 10.3 10.1 9.9 9.6 9.7 9.6 9.6 9.6 9.6 9.6 9.4 9 8.6 8.7 8.6 8.5 8.5 8.4 8.2 8.1 7.8 7.5 7.8 7.8 7.5 7.9 8.2 Ground Without snow 1 1 2 1 1 2 2 2 2 2 1 2 1 1 1 2 1 1 2 2 2 1 2 2 2 2 2 2 2 1 With snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Snow depth _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Concrete 2 1 2 1 1 2 2 2 2 2 1 2 1 1 1 2 1 1 2 2 1 1 2 2 2 2 2 2 2 2 Rainfall Total 0.5 12.4 0.1 _ 25.6 4.6 2.5 0.2 1.3 1.9 4.4 0.1 tr(x) tr(x) 7.3 0.3 tr 3.3 1.4 0.1 5.1 1.1 2.7 1.5 6.7 tr 9.1 tr 0.5 2.7 Duration 0.5 2.8 _ _ 11 6.9 3.3 _ 1.8 1.8 4.1 _ _ _ 8 0.3 _ 4.3 0.8 _ 4.4 1.5 4.8 1.4 2.5 _ 7.5 _ 0.3 1.5 Acidity 5.82 6.75 _ _ 6.74 6.47 6.34 5.5 6.4 _ 6.96 _ _ _ 6.64 6.51 _ 6.63 6.73 _ 6.7 6.57 n/a 6.74 6.78 _ 6.9 _ _ 6.7 Run of Wind Miles 126.11 150.06 75.58 66.79 114.33 111.31 153.89 134.99 100.29 197.97 189.28 135.13 72.27 39.37 141.11 92.23 102.17 153.53 88.62 62.42 194.95 175.53 59.01 185.38 288.24 153.5 178.13 223.47 215.9 258.95 Mean 6.8 8.1 4.1 3.6 6.2 6 8.3 7.3 5.4 10.7 10.3 7.3 3.9 2.1 7.6 5 5.5 8.3 4.8 3.4 10.6 9.5 3.2 10 15.6 8.3 9.6 12.1 11.7 14 Gust 25 30 17 18 31 24 25 26 19.3 32 31 23 15 _ 22.5 19.5 21 23 17 _ 34 38 16 22 40 32.5 25 29 30 27 Sunshine 6.2 1.1 5.7 5.5 0.2 0.1 1 0.2 0 4.4 0 7.5 6.4 5.6 0.3 5.3 4.2 0 0.4 2.6 0 0.3 0 4.4 0 7.3 0.1 0 0.2 0.1 Statistics Saturated VP(Twb) 0.897 0.91 0.897 0.897 0.843 1.037 1.059 0.942 0.989 0.849 1.262 0.968 0.769 0.686 0.624 0.995 0.758 0.942 1.037 0.671 0.753 0.995 0.831 0.747 1.103 0.929 0.825 1.479 1.313 1.059 VP 0.85 0.883 0.883 0.863 0.829 1.03 1.032 0.895 0.969 0.829 1.242 0.907 0.755 0.565 0.611 0.981 0.704 0.935 1.023 0.658 0.746 0.914 0.824 0.74 1.069 0.821 0.778 1.438 1.204 1.052 Saturated VP 0.942 0.936 0.91 0.929 0.855 1.044 1.088 0.989 1.009 0.867 1.287 1.03 0.78 0.78 0.634 1.009 0.802 0.949 1.052 0.681 0.758 1.081 0.837 0.753 1.141 1.037 0.867 1.538 1.46 1.066 RH % 90.2 94.3 97 92.9 97 98.7 94.9 90.5 96 95.6 96.5 88.1 96.8 72.4 96.4 97.2 87.8 98.5 97.2 96.6 98.4 84.6 98.4 98.3 93.7 79.2 89.7 93.5 82.5 98.7 Dew Point 4.6 5.2 5.2 4.8 4.3 7.4 7.4 5.4 6.5 4.3 10.2 5.6 2.9 -1.1 0 6.7 2 6 7.3 1 2.8 5.7 4.2 2.7 7.9 4.1 3.4 12.4 9.7 7.7 Pressure 990.6 985.8 991.4 1001.8 1003 973 977.3 985.7 999.1 1011.4 1004 994 996.1 1001 1008.3 999.2 1009.3 1007.5 995.4 995.2 996 986.6 997.7 1004 994.6 989.4 1008.1 1008.3 998.7 1009.5 Days with thunder _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ hail<0.5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ hail>/=0.5mm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ fog _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 _ _ _ _ _ 1 _ _ _ _ _ _ _ _ 1