PITSFORD HALL WEATHER STATION REGISTER OF CLIMATOLOGICAL OBSERVATIONS FOR AUGUST 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 31st Time 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 900 Total Cloud 5 6 7 8 8 8 7 8 9 8 5 0 6 8 1 5 3 8 4 1 2 5 7 0 0 8 2 3 3 3 4 Wind Direction nw sw nw ne n n ne nne sw n ne sw ssw sw n w n sw w ne ssw nnw ese ese se sw w wnw nne e se Speed (knots) 13 13 5 9 5 5 13 5 5 5 5 9 5 13 5 9 5 5 5 2 5 5 9 2 5 2 5 2 2 9 9 Weather 1 3 20 10 3 2 3 10 43 20 2 2 2 20 2 3 2 20 3 2 2 2 10 2 2 60 10 2 10 2 3 Visibility 8 8 7 5 7 7 8 5 4 8 8 7 7 7 8 8 7 7 7 7 6 6 5 7 7 5 5 7 5 8 8 Screen (C) Dry Bulb 17.8 16.1 15.6 14.1 16 18.9 18.6 16.9 15.6 18 19.4 21 19 20 18.9 16.8 15.1 16.6 16 16 15.9 16 16.9 18.1 20.6 17.9 16.1 14 12 13.9 14.5 Wet Bulb 14.7 14.2 14 13.1 14 17.3 16.3 16.4 15.3 16.5 15.9 17 17.2 18.5 14.9 14.8 14.2 14.7 14.8 13.7 14 13.8 15.2 16 16 17 15.1 13 11.9 12.8 12.9 Max 22.9 22.7 20.6 19.5 23.9 23.1 22.6 23.2 23.7 21.7 23.7 27.4 22.7 23.6 24.3 21.9 21.4 17.1 21.5 20.6 20.1 22 22.7 24.7 26.5 18.5 21.9 20.6 20.9 19.7 22 Min 14.3 11.1 13.4 11.2 13 15.8 16 14.6 13.7 16.4 12.7 11.5 14.6 15.9 12.3 11.9 12.7 11.5 13.1 10.1 9.6 9.2 11 10.1 11.6 16.4 11.5 9.1 8.6 9.5 9.7 Ground Obs Grass Min 11.7 7.5 11.5 8.1 9.4 11.9 12.3 13.1 11.3 16.1 8.5 7.1 11.6 14.9 9.2 8.8 11.2 9.4 10.9 8 7.4 6.2 8.4 5.9 7.9 14.7 7.2 4.7 4.1 5.1 5.6 Conc. Min 13.7 10.6 13 10.7 12.5 14.9 15 14.6 13.1 16.9 12.4 11 15 15.5 11.5 12.1 12.6 11.5 13.1 10.5 10.5 9.5 10.6 9.7 10.9 15.9 10.3 8.8 8.1 8.9 9.1 Bare Earth Min _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 11.1 12 10.5 12.4 9.5 9 8.6 10.1 8.9 9.8 15.2 9.9 8 7.1 8.2 8.4 Soil Temps 5cm 18.1 16.8 17.3 17 17.5 18.7 18.9 18.5 17.9 18.9 18.9 18.4 19.1 19.4 18.3 20.4 17.8 18.6 18.6 17.5 18 18 17.8 18.2 19.4 18.7 16.6 15.5 15.1 15 15 10cm 18.4 17.3 17.5 17.4 17.9 19.1 19.2 18.9 18.4 19 19.1 18.7 19.6 19.4 18.3 18.8 17.6 17.7 17.4 16.9 17.3 16.6 17 16.7 17.9 18.7 16 15.5 15.1 15.1 15 20cm 19.3 18.5 18.5 18.2 18.6 19.7 19.8 19.5 19.1 19.4 18.9 18.8 20 19.4 18.5 18.8 18.5 18 17.6 17.8 17.9 17.3 17.5 17.2 18.1 19.1 17 16.9 16.5 16.5 16.3 30cm 19.6 19.1 19 18.6 18.9 20 20 19.8 19.6 19.6 19.4 19.5 20.3 19.9 19.4 19.5 19.4 19 18.4 18.9 18.9 18.4 18.5 18.5 18.9 19.4 18.2 18.1 17.8 17.5 17.1 40cm 19.5 19.2 19 18.8 18.9 19.5 19.7 19.7 19.6 19.5 19.4 19.5 20.1 19.8 19.5 19.6 19.5 19.1 18.6 19 19 18.7 18.6 18.6 18.9 19.3 18.5 18.4 18 17.7 17.5 50cm 19.5 19.2 19.1 18.9 18.9 19.4 19.5 19.6 19.6 19.5 19.5 19.5 19.9 19.7 19.5 19.5 19.5 19.3 18.9 19 19.1 19 18.9 18.9 19 19.3 18.6 18.6 18.4 18.1 17.9 100cm 17.4 17.4 17.5 17.5 17.5 17.5 17.6 17.7 17.8 17.9 18 18 18 18 18.1 18.1 18 18 18 17.9 17.9 17.9 17.9 17.9 17.9 17.9 17.8 17.8 17.7 17.6 16.6 Ground Without snow 9 9 9 1 9 9 9 1 1 9 9 9 9 1 9 1 1 9 1 1 9 1 9 9 9 1 1 1 1 1 9 With snow Snow depth Concrete 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 Rainfall Total _ tr 7.6 _ _ _ 3.5 _ _ _ _ _ 2.3 _ 9.1 2.5 _ 10.1 _ _ 1.4 _ _ _ 1.3 4.2 _ 0.2 _ _ 6.4 Duration _ 0.1 1 _ _ _ 2.8 _ _ _ _ _ 2.6 _ 3 3.6 _ 5.3 _ _ 0.8 _ _ _ 1.5 7.5 _ 0.1 _ _ 2.3 Acidity _ _ 6.03 _ _ _ 5.78 _ _ _ _ _ 6.1 _ 5.97 6.3 _ 5.91 _ _ 5.96 _ _ _ _ 6.35 _ _ _ _ 6.42 Run of Wind Miles 77.6 85.4 106.6 83.1 83 132.8 70.3 34.5 95.3 83.8 29.5 42.8 60 78.5 70.8 64.3 68.9 30 66.8 31.4 35 80.4 66 51.6 105.8 30.4 53.1 65.9 66.9 54.7 63.1 Mean 4.2 4.6 5.8 4.5 4.5 7.2 3.8 1.9 5.2 4.5 1.6 2.3 3.3 4.3 3.8 3.5 3.7 1.6 3.6 1.7 1.9 4.4 3.6 2.8 5.7 1.6 2.9 3.6 3.6 3 3.4 Gust 22 20 18 9 16 14 21 22 22 23 10 22 12 20 22 22 13 26 12 20 25 13 17 21 Sunshine 11.3 10.9 4 6 9.9 5.5 4.8 7.5 3.2 3.1 9.5 12 0.7 3.6 7.9 9 9.1 1.5 9.1 8.8 8.3 9.7 8.5 10.7 10.6 0 7.7 7.2 8.6 9.6 5 Statistics Saturated VP(Twb) 1.674 1.62 1.599 1.508 1.599 1.976 1.854 1.866 1.739 1.878 1.808 1.939 1.963 2.131 1.695 1.684 1.62 1.674 1.684 1.569 1.599 1.579 1.728 1.819 1.819 1.939 1.717 1.499 1.394 1.479 1.489 VP 1.462 1.49 1.49 1.44 1.462 1.866 1.696 1.832 1.718 1.775 1.568 1.665 1.84 2.028 1.421 1.547 1.558 1.544 1.602 1.412 1.469 1.429 1.612 1.675 1.504 1.877 1.649 1.431 1.387 1.404 1.38 Saturated VP 2.039 1.831 1.773 1.61 1.819 2.185 2.144 1.927 1.773 2.065 2.254 2.488 2.199 2.34 2.185 1.914 1.717 1.89 1.819 1.819 1.808 1.819 1.927 2.078 2.428 2.052 1.831 1.599 1.403 1.589 1.652 RH % 71.7 81.4 84 89.4 80.4 85.4 79.1 95.1 96.9 86 69.6 66.9 83.7 86.7 65 80.8 90.7 81.7 88.1 77.6 81.3 78.6 83.7 80.6 61.9 91.5 90.1 89.5 98.9 88.4 83.5 Dew Point 12.6 12.9 12.9 12.4 12.6 16.4 14.9 16.1 15.1 15.6 13.7 14.6 16.2 17.7 12.2 13.5 13.6 13.5 14 12.1 12.7 12.3 14.1 14.7 13.1 16.5 14.5 12.3 11.8 12 11.7 Pressure 1018.9 1014.2 1012.9 1023 1024.5 1023.9 1026 1023 1020.6 1016.9 1017.5 1014.7 1015 1012.7 1019.3 1014.9 1011.3 1012.9 1009.9 1014.8 1013.9 1019.3 1024.8 1025.7 1023.5 1011.5 1014.9 1018.4 1021.2 1021.8 1014.1 Days with thunder _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ hail<0.5cm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ hail>/=0.5cm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ fog _ _ _ _ _ _ _ _ 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _