Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire Dec 2010
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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 30.4 27.1 28.4 28.4 39.0 29.90 7.3 100 22 7 2 NNE 35.0 Very heavy Snow 35cm
2 30.9 26.8 30.2 30.2 39.0 29.85 2.5 100 14 7 2 NNE 40.0 Very heavy Snow 40cm
3 33.6 21.4 23.9 23.5 39.0 29.81 0.5 91 28 3 1 VAR 39.0 Sunny Spells 39 cm
4 38.1 22.8 33.8 33.6 39.0 29.60 2.6 98 26 10 3 SSW 34.0 Cloudy Less cold slow thaw 34cm rain and sleet late
5 36.3 29.1 32.2 32.0 39.0 29.65 0.0 98 12 4 2 WNW 27.0 Sunny Spells 27 cm
6 35.6 21.2 23.2 22.8 38.7 29.60 0.0 90 9 3 1 SW 25.0 Very Cold Sunny Spells 25cm
7 32.7 18.3 20.1 20.3 38.3 29.70 0.0 91 16 1 1 ENE 25.0 Very Cold Sunny Spells 25cm
8 36.0 19.2 29.3 32.0 38.1 29.89 0.0 67 30 9 3 NNE 23.5 Less Cold Sunny Spells 23.5cm
9 42.6 29.0 36.0 33.8 38.1 30.29 0.0 82 34 11 3 WNW 21.5 Less Cold Sunny Spells 21.5cm
10 44.6 36.9 42.8 41.2 37.9 30.31 0.0 86 56 4 2 VAR 14.0 Average temps rapid thaw sunny spells 14cm
11 46.4 43.0 43.9 42.3 38.1 30.19 0.0 88 24 4 2 VAR 0.0 Mild and very windy overnight rapid thaw
12 40.8 37.9 38.7 36.3 38.1 30.20 0.0 78 14 5 2 NNE 0.0 Light Showers Sunny Spells
13 39.2 38.0 39.0 38.3 37.9 30.30 2.3 93 16 5 2 NNE 0.0 Cloudy Cool
14 40.1 37.8 39.2 39.2 38.3 30.41 2.7 100 18 6 2 N 0.0 Cool by day Light rain
15 44.8 37.8 40.1 39.2 38.8 30.49 0.5 92 46 8 3 NNW 0.0 Dull damp cool
16 43.9 39.5 44.6 43.2 39.2 29.71 3.6 91 39 13 4 WNW 0.0 Mild Light Rain then snow from 10.30
17 28.8 25.7 25.7 25.0 39.2 29.46 0.0 87 25 8 3 WNW 0.0 Very Cold sunny spells
18 27.3 26.1 26.4 26.6 38.3 29.30 0.0 95 10 2 1 SSE 0.0 Very Cold Mostly cloudy
19 28.4 21.2 21.4 21.4 37.8 29.40 0.0 98 9 3 1 NE 0.0 Very Cold Sunny Spells
20 23.7 18.0 20.7 20.7 37.4 29.54 0.0 98 7 6 2 SE 0.0 Very Cold Sunny Spells
21 27.7 17.6 17.6 17.6 36.9 29.63 0.0 97 10 1 1 S 0.0 Not so very cold sunny spells
22 32.2 18.0 28.4 28.4 36.5 29.70 0.0 94 18 5 2 NNE 0.0 Less cold light snow overnight Snow shower during afternoon
23 32.7 28.0 29.3 29.1 36.3 29.89 0.2 96 23 9 3 NNE 0.0 Less cold light snow showers
24 33.4 29.8 31.3 31.5 36.3 30.06 0.0 92 18 9 3 NNE 0.0 very cold sunny spells slight thaw
25 36.5 24.6 26.6 26.4 35.8 30.24 0.0 95 28 1 1 WNW 0.0 Less Cold Slow Thaw breezy later
26 35.6 25.5 28.6 30.2 35.6 30.24 0.6 79 24 0 0 CALM 0.0 Less Cold Slow Thaw Cloudy later
27 35.6 27.9 34.2 33.8 35.6 29.90 6.9 96 23 6 2 SSW 0.0 Cold Light Snow Brief Fresh Cover over partial cover
28 44.0 32.9 35.8 35.6 35.6 29.84 0.0 98 21 7 2 SSW 0.0 Less Cold Dreadful overnight Forecast for Snow which was rain across the region.
29 47.3 34.9 42.8 42.8 35.6 30.05 2.0 100 8 4 2 SSE 0.0 Ave temps by Day Mild by Night misty
30 43.9 38.5 39.6 39.6 35.6 30.20 0.2 100 8 0 0 CALM 0.0 Mild and Misty Overnigth Drizzle
31 44.0 38.5 41.9 41.0 35.6 30.24 0.0 92 29 4 2 VAR 0.0 Mild Dull
   
Total 1137.1 893.0     1164.6   31.9 2862.0 665.0 165.0 60.0  
Ave 36.7 28.8     37.6   1.0 92.3 21.5 5.3 1.9
34.9%
N 1.0 Number of Air Frosts 20.0 Red indicates as Snow
NNE 8.0 Days of measurable Rain 13.0 Light green Sleet
NE 1.0 Days of rain greater than 10 mm 0.0 Blue Trace Conditions
ENE 1.0 Days when gusts exceeded 50 mph 2.0 Purple Indicates Freezing Rain
E 0.0 Days when average Max exceeded 3.0
ESE 0.0 Days below average Max 27.0
SE 1.0 Days above average Min 9.0
SSE 2.0 Days below average Min 22.0
S 1.0
SSW 3.0 1st seven day average 28.9 -1.7
SW 1.0 2nd Seven day average 38.0 3.3
WSW 0.0 3rd seven day average 29.3 -1.5
W 0.0 4th seven day avaerage 31.2 -0.4
WNW 5.0 Final few days average 41.2 5.1
NW 0.0 Overall Average 33.7 0.9
NNW 1.0