Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Aug 2009
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  Max Temp Min Temp Dry Bulb Wet Bulb Grass Min Soil Temp Barometer  Rain Humidity Max Gust Average Force Win Dir Comments
Day Deg F Deg F Deg F Deg F Deg F Deg F Inches MM Percent MPH MPH Beaufort
1 61.7 50.9 59.0 58.1 50.7 60.8 29.75 5.2 94 20 7 2 SSW Light too heavy Showers Cool
2 68.2 51.9 60.8 57.2 47.8 60.6 29.80 0.0 79 21 5 2 WSW Sunny Spells
3 70.0 51.8 57.7 55.8 48.7 61.2 29.91 0.4 88 24 5 2 SSW Sunny Spells
4 67.1 54.1 64.2 63.1 57.2 61.7 29.89 2.0 94 28 8 3 SSW Dull Humid Drizzle
5 72.5 60.1 65.3 64.4 58.3 61.9 30.00 0.2 95 16 4 2 S Dull Humid Sunny Afternoon
6 74.3 53.1 62.4 59.0 48.7 62.6 30.07 19.4 81 15 1 1 ENE Sunny Warm
7 71.8 53.1 59.0 58.6 54.5 63.3 30.07 0.0 98 22 0 0 CALM Dull Light Rain at times Sunny later
8 70.5 50.0 64.6 60.6 46.2 63.3 30.14 0.0 79 16 0 0 CALM Sunny Spells Warm
9 73.6 50.0 64.4 60.8 46.0 63.3 30.10 0.0 80 21 1 1 VAR Sunny Spells Warm
10 68.7 57.2 64.0 59.4 54.7 63.7 29.90 0.3 75 25 7 2 SW Drizzile at Times Late Sunny Spells
11 75.0 57.0 60.8 59.4 54.7 63.5 30.07 0.0 91 34 1 1 NE Sunny Warm
12 69.6 56.9 62.8 62.2 55.2 64.2 30.04 0.3 97 31 6 2 WNW Sunny Warm after morning light rain
13 68.9 50.9 55.4 52.2 46.9 64.4 30.05 0.0 91 12 4 2 W Sunny Spells Warm
14 69.1 51.9 58.8 57.0 46.4 64.4 29.99 0.0 89 29 6 2 SSW Early Shower then short sunny spells mostly cloudy
15 74.1 54.9 67.5 65.8 56.3 63.9 29.76 0.5 93 39 12 3 SW Light Early Shower Odd Sunny Spell Warm
16 69.6 54.3 62.6 59.0 52.5 63.9 29.89 0.2 80 28 8 3 SW Sunny Spells Warm
17 69.6 56.0 59.5 58.8 55.4 63.5 29.90 0.0 95 17 2 1 SSW Light Showers early then sunny spells 
18 70.9 53.0 59.0 57.2 46.4 63.3 30.00 0.0 89 24 6 2 SW Sunny Spells Warm
19 78.1 55.1 60.8 59.5 54.0 63.1 29.90 0.0 93 33 10 3 SSW Sunny Spells very Warm
20 70.2 57.1 66.0 64.2 56.3 63.5 29.85 0.5 90 42 10 3 SSW Light Showers Breezy Sunny spells later
21 65.3 51.1 55.4 55.2 48.2 63.1 29.99 1.3 99 28 7 2 SW Showers Sunny Spells Cooler
22 69.8 49.1 60.8 57.2 46.9 62.4 30.10 0.6 79 21 1 1 SW Sunny Spells Warm
23 75.2 54.9 64.9 62.8 52.5 62.4 29.94 1.5 88 28 8 3 SSW Sunny Spells Warm
24 66.4 58.1 64.2 61.2 58.1 62.6 29.70 2.4 83 18 4 2 SW Cloudy Light Showers
25 67.8 49.1 56.1 55.2 45.7 62.6 29.70 1.4 94 27 7 2 SW Isolated showers Sunny Spells
26 64.2 51.0 59.0 59.0 48.0 61.7 29.70 3.1 100 31 8 3 S Light Rain and Drizzle Cool 
27 69.8 55.1 62.6 59.2 56.1 61.5 29.84 0.0 81 28 3 1 SW Sunny Spells Warm
28 61.7 49.1 54.0 51.6 46.4 61.9 29.70 5.2 84 38 9 3 SW Sunny Spells Light Showers Cooler
29 61.9 50.1 59.0 55.2 46.8 61.0 30.01 0.0 77 28 8 3 WSW Sunny Spells odd light shower
30 65.5 50.1 59.0 55.6 49.6 60.4 30.00 0.9 79 38 7 2 SSW Sunny Spells Warm
31 72.5 55.0 68.0 65.3 57.0 60.3 29.78 0.3 86 34 13 4 SW Brief Sunny Spells Warm
Total 2153.6 1652.0     1592.2 1940.0   45.7 2721.0 816.0 178.0 63.0  
Ave 69.5 53.3     51.4 62.6   1.5 87.8 26.3 5.7 2.0
  71.7%
N 0.0 Number of Air Frosts 0 Red indicates as Snow
NNE 0.0 Number of Ground Frosts 0 Light green Sleet
NE 1.0 Days of measurable Rain 19 Blue Trace Conditions
ENE 1.0 Days of rain greater than 10 mm 1
E 0.0 Days when gusts exceeded 50 mph 0
ESE 0.0 Days when average Max exceeded 18
SE 0.0 Days below average Max 13
SSE 0.0 Days above average Min 14
S 2.0 Days below average Min 17
SSW 9.0
SW 11.0 1st seven day average 61.5 16.4
WSW 2.0 2nd Seven day average 62.1 16.7
W 1.0 3rd seven day average 62.8 17.1
WNW 1.0 4th seven day avaerage 60.1 15.6
NW 0.0 Final few days average 59.2 15.1
NNW 0.0 Overall Average 61.1 16.2