Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Dec 2012
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  Max Temp Min Temp Dry Bulb Wet Bulb Soil Temp Barometer  Rain Humidity Max Gust Average Force Win Dir Snow  Comments
Day Deg F Deg F Deg F Deg F Deg F Inches MM Percent MPH MPH Beaufort   Depth CM
1 40.1 29.5 38.3 37.2 41.0 29.85 0.0 89 24 11 3 NNW 0.0 Early rain then cold Sunny Spells
2 42.8 30.2 32.2 30.2 40.1 29.95 5.4 78 21 1 1 WSW 0.0 Cold frosty start then sunny spells
3 44.2 30.9 43.2 42.8 39.2 29.69 3.0 97 34 1 1 VAR 0.0 Cool Sunny Spells and Showers
4 41.9 37.2 40.8 39.2 39.2 29.54 2.3 85 33 8 3 WNW 0.0 Cool Sunny Spells Light Showers
5 36.1 31.6 32.9 31.8 39.2 29.70 0.0 89 28 7 2 NNW 0.0 Cold Ice early and Late
6 38.5 28.6 31.8 28.9 39.2 29.92 12.9 71 41 11 3 SW 0.0 Cold Light Rain later and Windy
7 40.3 29.3 38.1 37.0 38.8 29.41 0.2 90 34 19 5 NNW 0.0 Sleety Start then cold and cloudy
8 46.4 35.6 37.4 35.6 38.3 30.15 1.5 83 45 6 2 WNW 0.0 Less cold Sunny Spells
9 45.7 36.1 46.0 43.9 39.0 29.95 0.0 83 51 18 4 W 0.0 Mild and Windy Sunny Spells
10 40.1 36.3 37.8 35.4 39.2 30.10 0.0 77 24 15 4 N 0.0 Cold Sunny Spells
11 38.1 30.4 33.3 32.9 39.2 30.34 0.0 96 9 0 0 CALM 0.0 Very Cold Sunny and Frosty
12 35.2 27.5 28.6 27.3 38.3 30.10 0.0 82 16 0 0 CALM 0.0 Very Cold Sunny Spells
13 31.3 24.8 26.1 25.7 37.6 29.72 0.0 92 10 0 0 CALM 0.0 Very Cold Sunny Spells
14 44.4 23.0 31.5 37.4 29.29 21.3 93 39 3 1 SE 0.0 Freezing Drizzle then heavy rain less cold
15 47.5 31.3 43.5 42.6 37.0 29.10 0.0 92 39 17 4 SW 0.0 Average Temps Light Showers
16 45.1 38.7 41.0 40.3 37.4 29.42 2.1 94 24 10 3 SSW 0.0 Sunny Spells
17 45.1 39.9 41.9 40.8 37.9 29.41 3.0 94 23 12 3 SSW 0.0 Showers early and late average temps
18 44.1 38.3 43.5 40.8 38.5 29.86 0.0 78 16 8 3 WNW 0.0 Mostly cloudy dry
19 41.0 38.8 39.9 39.2 39.4 30.01 16.9 93 23 7 2 S 0.0 Mostly Cloudy Late evening rain
20 44.1 37.6 41.0 40.1 40.1 29.69 27.4 92 21 7 2 ESE 0.0 Light to moderate rain 
21 44.6 39.4 44.2 43.0 40.3 29.65 6.0 90 24 7 2 WSW 0.0 Dull Dry and Mild
22 54.3 39.9 43.3 42.8 41.0 29.65 13.1 95 51 9 3 S 0.0 Dull Light to moderate rain
23 48.2 42.6 48.7 46.2 41.7 29.41 0.0 83 44 22 5 WSW 0.0 Windy Mild Sunny Spells
24 43.7 40.5 42.8 42.1 41.9 29.50 7.8 94 20 2 1 SSW 0.0 Dull Cool by day Light to Moderate rain
25 45.5 40.5 43.5 43.0 41.9 29.25 1.3 95 33 8 3 SSW 0.0 Dull miserable with showers
26 46.4 37.8 42.1 41.0 41.9 29.56 6.4 91 46 17 4 WSW 0.0 Sunny Spells Rain Later
27 46.4 36.3 38.1 37.2 41.7 29.41 6.1 91 28 6 2 SSW 0.0 Cloudy and Cool
28 52.5 36.5 43.0 42.6 41.0 29.85 0.8 98 50 12 3 SSW 0.0 Early heavy rain then drizzle at times becoming breezy
29 50.9 41.9 51.3 49.1 41.7 29.40 10.3 90 41 22 5 SSW 0.0 Mild light to moderate rain midmorning turning cooler winds moderating
30 50.7 36.9 39.9 37.2 41.9 29.49 1.8 93 60 17 4 WSW 0.0 Sunny spells isolated showers Very Windy Later
31 50.7 38.7 50.7 48.0 42.1 29.39 5.5 81 27 28 6 SW 0.0 Windy Very Mild light rain
   
Total 1365.9 1086.6     1233.1   155.1 2749.0 979.0 311.0 84.0  
Ave 44.1 35.1     39.8   5.0 88.7 31.6 10.0 2.7
178.5%
N 1.0 Number of Air Frosts 11.0 Red indicates as Snow
NNE 0.0 Days of measurable Rain 21.0 Light green Sleet
NE 0.0 Days of rain greater than 10 mm 6.0 Blue Trace Conditions
ENE 0.0 Days when gusts exceeded 50 mph 3.0 Purple Indicates Freezing Rain
E 0.0 Days when average Max exceeded 14.0
ESE 1.0 Days below average Max 16.0
SE 1.0 Days above average Min 19.0
SSE 0.0 Days below average Min 11.0
S 2.0
SSW 7.0 1st seven day average 35.8 2.1
SW 3.0 2nd Seven day average 35.4 1.9
WSW 5.0 3rd seven day average 41.1 5.1
W 1.0 4th seven day avaerage 43.7 6.5
WNW 3.0 Final few days average 45.0 7.2
NW 0.0 Overall Average 40.2 4.5
NNW 3.0