Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Dec 2012 
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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
Day Deg F Deg F Deg F Deg F Deg F Deg F Inches MM Percent MPH MPH Beaufort  
1 40.1 29.5 38.3 37.2 21.9 41.0 29.85 0.0 89 27 11 3 NNW Early rain then cold Sunny Spells
2 42.8 30.2 32.2 30.2 20.3 40.1 29.95 5.4 78 24 1 1 WSW Cold frosty start then sunny spells
3 44.2 30.9 43.2 42.8 21.7 39.2 29.69 3.0 97 21 1 1 VAR Cool Sunny Spells and Showers
4 41.9 37.2 40.8 39.2 30.9 39.2 29.54 2.3 85 34 8 3 WNW Cool Sunny Spells Light Showers
5 36.1 31.6 32.9 31.8 23.5 39.2 29.70 0.0 89 33 7 2 NNW Cold Ice early and Late
6 38.5 28.6 31.8 28.9 18.3 39.2 29.92 12.9 71 28 11 3 SW Cold Light Rain later and Windy
7 40.3 29.3 38.1 37.0 23.9 38.8 29.41 0.2 90 41 19 5 NNW Sleety Start then cold and cloudy
8 46.4 35.6 37.4 35.6 27.5 38.3 30.15 1.5 83 34 6 2 WNW Less cold Sunny Spells
9 45.7 36.1 46.0 43.9 30.0 39.0 29.95 0.0 83 45 18 4 W Mild and Windy Sunny Spells
10 40.1 36.3 37.8 35.4 30.0 39.2 30.10 0.0 77 51 15 4 N Cold Sunny Spells
11 38.1 30.4 33.3 32.9 19.9 39.2 30.34 0.0 96 24 0 0 CALM Very Cold Sunny and Frosty
12 35.2 27.5 28.6 27.3 16.5 38.3 30.10 0.0 82 9 0 0 CALM Very Cold Sunny Spells
13 31.3 24.8 26.1 25.7 13.8 37.6 29.72 0.0 92 16 0 0 CALM Very Cold Sunny Spells
14 44.4 23.0 31.5 n/a 13.1 37.4 29.29 21.3 93 10 3 1 SE Freezing Drizzle then heavy rain less cold
15 47.5 31.3 43.5 42.6 32.2 37.0 29.10 0.0 92 39 17 4 SW Average Temps Light Showers
16 45.1 38.7 41.0 40.3 31.6 37.4 29.42 2.1 94 39 10 3 SSW Sunny Spells
17 45.1 39.9 41.9 40.8 32.7 37.9 29.41 3.0 94 24 12 3 SSW Showers early and late average temps
18 44.1 38.3 43.5 40.8 35.4 38.5 29.86 0.0 78 23 8 3 WNW Mostly cloudy dry
19 41.0 38.8 39.9 39.2 33.3 39.4 30.01 16.9 93 16 7 2 S Mostly Cloudy Late evening rain
20 44.1 37.6 41.0 40.1 38.5 40.1 29.69 27.4 92 23 7 2 ESE Light to moderate rain 
21 44.6 39.4 44.2 43.0 39.6 40.3 29.65 6.0 90 21 7 2 WSW Dull Dry and Mild
22 54.3 39.9 43.3 42.8 30.0 41.0 29.65 13.1 95 24 9 3 S Dull Light to moderate rain
23 48.2 42.6 48.7 46.2 42.6 41.7 29.41 0.0 83 51 22 5 WSW Windy Mild Sunny Spells
24 43.7 40.5 42.8 42.1 33.8 41.9 29.50 7.8 94 44 2 1 SSW Dull Cool by day Light to Moderate rain
25 45.5 40.5 43.5 43.0 35.6 41.9 29.25 1.3 95 20 8 3 SSW Dull miserable with showers
26 46.4 37.8 42.1 41.0 32.2 41.9 29.56 6.4 91 33 17 4 WSW Sunny Spells Rain Later
27 46.4 36.3 38.1 37.2 28.0 41.7 29.41 6.1 91 46 6 2 SSW Cloudy and Cool
28 52.5 36.5 43.0 42.6 32.0 41.0 29.85 0.8 98 28 12 3 SSW Early heavy rain then drizzle at times becoming breezy
29 50.9 41.9 51.3 49.1 41.7 41.7 29.40 10.3 90 50 22 5 SSW Mild light to moderate rain midmorning turning cooler winds moderating
30 50.7 36.9 39.9 37.2 33.6 41.9 29.49 1.8 93 41 17 4 WSW Sunny spells isolated showers Very Windy Later
31 50.7 38.7 50.7 48.0 34.7 42.1 29.39 5.5 81 60 28 6 SW Windy Very Mild light rain
   
Total 1365.9 1086.6     898.8 1233.1   155.1 2749.0 979.0 311.0 84.0  
Ave 44.1 35.1     29.0 39.8   5.0 88.7 31.6 10.0 2.7
169.5%
N 1.0
NNE 0.0 Number of Air Frosts 11.0 Red indicates as Snow
NE 0.0 Number of Ground Frosts 17.0 Light green Sleet
ENE 0.0 Days of measurable Rain 21.0 Blue Trace Conditions
E 0.0 Days of rain greater than 10 mm 5.0 Purple Indicates Freezing Rain
ESE 1.0 Days when gusts exceeded 50 mph 3.0
SE 1.0 Days when average Max exceeded 14.0
SSE 0.0 Days below average max 17.0
S 2.0 Days above average min 16.0
SSW 7.0 Days below average min 13.0
SW 3.0
WSW 5.0
W 1.0
WNW 3.0
NW 0.0
NNW 3.0