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 Temperatures Air Max (C) 18.5 16.5 14.7 17 16.1 16.2 11 14 19 14.7 13.1 12.6 7.6 9.7 9.5 10.5 12.2 12.5 11.2 16.8 13.9 15.4 11.7 16.3 15.4 16.7 17.7 18.2 16 21.3 Air Min (C) 6.5 6 3 7.3 9.6 10.1 7 4.7 8.7 6 3.7 5.5 2.8 -2.1 -1 2.5 1.7 1.5 2.4 3.9 6 8.1 7.4 8.4 5.5 7.8 7.9 5.9 7.4 3.5 Dry Bulb (C) 9.3 9 7.4 10 12.6 12.4 9.5 8.8 11.5 10.5 6 8 5.5 1 2.5 4.3 4 2.5 4.5 6.4 10.1 9.3 8.4 10.4 8 10.8 10.2 10 8.3 8 Wet Bulb (C) 8.1 8.6 7 9.5 12 11.7 7.4 7.6 10.5 9.5 4.5 6.4 4 0.4 1.4 3.7 3.5 2 4 6.2 9.1 8.2 8 8.8 6.6 9.8 9.5 8 7.4 6.4 RH (%) 84 95 94 93 93 92 73 84 88 87 76 78 77 88 80 90 92 91 92 97 87 86 93 80 80 87 90 74 87 78 Rainfall Total (mm) 0.8 tr _ 0.5 0.2 0.7 _ _ _ _ 3.4 6.1 1.9 0.4 0.1 7.2 8.2 0.7 2.4 9.6 1.6 0.7 10.5 tr 1.2 12.2 _ _ _ _ Duration (hrs) 0.25 _ _ 0.5 0.25 1 _ _ _ _ 3.5 1.5 3.25 0 0.5 3.25 2.75 1 7 11 1.25 1 8.5 0 1.75 1.75 _ _ _ _ Acidity (pH) 6.05 _ _ _ _ 6.43 _ _ _ _ 6.44 6.5 6.32 _ _ 5.9 5.7 5.8 6.8 5.9 6.6 _ 6.25 _ 6.27 6.58 _ _ _ _ Winds (mph) Direction se sw se sw sw sw n nw nw nw sw nw w e nw ne nw ne se e nw w nw n se se n ne ne ne Speed (0830) 7 6 2 4 12 16 21 5 4 15 2 15 14 2 6 3 1 3 3 6 11 10 2 20 4 4 6 3 5 1 Speed (24 hrs) 5 4 2 8 10 9 8 4 10 5 11 9 9 3 4 3 3 3 8 8 11 2 10 4 5 7 7 10 5 3 Max Gust 29 16 12 22 29 33 34 16 14 31 33 33 57 23 22 20 23 25 25 25 44 29 20 21 23.4 36.4 39 25 22 18 Pressure (mb) At 0830hrs 1011 1011 1016 1021 1020 1015 1016 1022 1021 1014 1017 995 1003 999 999 1002 1009 1013 1016 1003 993 1000 1006 1011 1012 1013 1022 1026 1022 1017 From 0600hrs 0 1 1 1 0 0 1 1 0 -1 1 0 -1 -1 1 1 1 1 0 -3 0 2 0 1 0 0.5 2 -1 -2 -1 Insolation Cloud types cc sc ac sc sc sc ac cc,sc sc sc clear sc cu,sc cs as sc sc st sc sc sc sc sc cc,ac sc sc as ci st clear Cloud cover 1 8 7 8 8 8 6 4 6 6 0 8 6 3 4 7 3 6 5 8 7 8 8 5 8 8 8 0.5 8 0 Sunshine (hrs) 9.3 5 3.3 1.7 2.2 5.2 2.1 1.2 5.1 5.2 9.3 5.2 4.3 8.1 5.1 5.1 5.2 5.9 5.3 0.5 4.8 5.2 0 8.8 1.1 0.5 11.1 10.6 8.5 9.9 Visibility 4 3 5 5 7 7 8 7 7 7 8 8 7 7 5 5 7 3 6 5 5 7 7 7 7 5 5 7 6 7 Other Ppt Snow/sleet falli _ _ _ _ _ _ _ _ _ _ _ _ s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Depth of snow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Hail (<5mm) _ _ _ _ _ _ _ _ _ _ _ s m _ _ _ s _ _ _ _ _ _ _ _ _ _ _ _ _ Hail (>/=5mm) _ _ _ _ _ _ _ _ _ _ _ _ s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Other Obs Thunder heard _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ m _ _ _ _ Lightning seen _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ m _ _ _ _ Ground Obs Grass Min 5.4 6.6 3.6 8.6 11.6 10.1 6 3.4 6.3 6.3 2.4 2.4 1.2 -2.3 -1.8 1.2 1.5 2 4.2 4.2 6.7 6.7 6.4 8.7 6.7 9.3 9.4 7.1 7.1 7.1 Concrete Min 7.6 8.6 5.4 9.8 12.3 11.1 7.4 4.8 7.5 7.5 4.4 5.6 2.9 -1.5 -0.2 2.8 2.8 3.5 4.7 4.7 7.1 7.1 7.1 8.4 7.9 9.7 9.4 7.7 7.5 7.5