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 Temperatures Air Max (C) 9.1 7.7 10.1 13.1 7.7 8.2 3.6 0.7 1.4 4.1 3.2 8 6.5 6.7 7.9 7.8 8.9 11 14.3 8.9 9.8 5 9.5 5.5 8.9 11 10 12.6 Air Min (C) 3.6 2.4 7.6 7 4.6 3.3 -1 -1.9 -4.4 -3.2 -3.2 -2 -0.7 -0.7 0.6 1.3 1.5 2.5 7.5 2 4.1 1.3 0.6 0.5 -0.9 2.9 4.9 2.7 Dry Bulb (C) 6 3.3 7.7 9.5 7 5.4 0.1 0 -2.9 -1.2 -0.5 0.3 2.7 2 1.6 5.1 3.1 8.9 11 4.7 7.5 2.8 1.9 2.3 3.4 8.4 5.8 5.5 Wet Bulb (C) 5.9 3.1 7 7 5.1 4.7 -1.1 -0.3 -3.2 -1.5 -1.4 0.1 2 0.5 1.4 3.4 2 7.6 10 3.6 6.5 1.5 1.7 2.1 2.6 7.4 5.3 4.5 RH (%) 98 97 90 68 73 89 76 76 93 93 81 98 88 73 96 73 81 82 87 82 86 77 96 96 86 86 92 84 Rainfall Total (mm) tr tr _ _ 1.7 0.1 _ 2 tr _ 0.3 tr _ 1.4 1.1 _ 1.7 0.1 _ 1.4 3.1 tr 1.9 tr _ 3.1 tr 2.6 Duration (hrs _ _ _ _ 2 0.25 _ 4.5 _ _ 0.5 _ _ 2 1 _ 4.5 0.25 _ 1.75 3 _ 4.5 _ _ 6.75 _ 2.75 Acidity (pH) _ _ _ _ 6.44 _ _ 6.66 _ _ 6.29 _ _ 6.35 6.33 _ 6.3 _ _ 6.27 6.2 _ 6.3 _ _ 6.35 _ 6.55 Winds (mph) Direction n calm nw s n n n n n ne n calm s s calm n nw n w nw nw nw ne n s sw w sw Speed (0830) 1 0 5 3 16 8 7 1 5 5 1 0 2 4 0 9 7 8 3 3 5 8 7 1 2 3 2 13 Speed (24 hrs _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Max Gust 10 14 22 31 33 18 29 28 20 24 8 6 9 13 26 35 27 26 23 25 44 52 22 12 18 20 23 46 Pressure (mb) At 0830hrs 1039 1039 1031 1023 1017 1014 1008 1006 1005 1010 1019 1023 1030 1026 1021 1014 1015 1015 1010 1015 1004 1002 1014 1007 1017 1011 1007 1014 From 0600hrs _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 0 1 0 1 4 -2 -1 -1 2 1 Insolation Cloud types obs sc sc sc sc sc clr st clr cs ac ac sc sc ci cu ac sc sc cc cc/sc cu ci st st ci ac st Cloud cover 9 7 8 8 6 8 0 8 0 3 8 4 6 8 2 4 6 8 8 6 4 2 2 8 8 3 7 8 Sunshine (hrs 0 0.8 0.2 1.4 3.2 0 5.3 0 5.4 4.1 0.4 3.6 3.8 0.2 1.2 3.8 1.8 0 1.3 5.2 2.7 5.2 4.4 0.5 0.3 1.2 5 2.7 Visibility 4 7 8 8 7 5 8 7 8 8 7 5 5 7 4 7 7 7 7 7 8 8 8 5 5 8 7 7 Other Ppt Snow falling _ _ _ _ _ _ _ s s/m s _ _ _ _ _ _ _ _ _ _ _ s _ _ _ _ _ _ Depth of snow _ _ _ _ _ _ _ _ 2 1.5 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hail _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ s _ _ _ _ _ _ _ Other Obs Thunder heard _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lightning see _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Ground Obs Grass Min 3.8 0.4 _ _ _ 0.7 -2.5 -3.2 -2.4 -3.1 -3.9 -2.3 -1.6 -2.6 -0.5 1.2 -0.2 2 6.8 0.4 2.5 -0.1 -1.1 2.9 -2.4 2.7 2.9 0.8 Concrete Min 3.9 3.2 _ _ _ 2.7 -0.9 -2 -4.4 -3.8 -3.3 -2.2 1.9 -0.4 0.9 1.7 1.5 2.8 7.8 3.3 4.3 1.6 0.3 -0.4 0.9 3.2 4.6 2.5