Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire May 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
Day Deg F Deg F Deg F Deg F Deg F Deg F Inches MM Percent MPH MPH Beaufort
1 63.7 47.8 54.9 53.6 46.9 52.5 30.30 0.4 93 24 6 2 SW Sunny Spells Odd Shower Breezy at Times Warm
2 63.1 45.3 55.2 50.5 40.8 53.1 30.49 0.4 70 34 4 2 SW Sunny Spells breezy at times Warm
3 57.2 43.0 51.8 49.8 41.2 53.6 30.41 0.9 86 31 18 5 WNW Sunny Spells Breezy Cooler
4 52.0 41.8 47.8 46.4 35.8 53.4 30.40 2.1 89 36 9 3 SW Light Rain Cool
5 58.1 43.9 53.2 51.4 44.6 52.7 30.27 9.3 88 31 4 2 WSW Drizzle Rain at times odd sunny spell mild
6 60.6 48.5 53.6 53.4 48.4 52.9 30.10 0.9 99 34 7 2 WSW Sunny Spells early then Dull
7 60.3 44.0 48.2 46.2 40.8 53.4 30.03 1.0 85 48 4 2 SW Sunny Spells Warm breezy at times
8 55.4 41.9 46.4 44.2 39.4 53.6 29.80 1.1 84 38 11 3 SSW Sunny Spells Light Showers Cooler
9 59.0 42.2 53.6 48.6 39.0 53.2 30.10 0.0 67 46 13 4 SW Sunny spells Mild and breezy
10 57.9 41.0 53.6 49.8 35.4 53.1 30.25 0.0 86 37 2 1 NNE Sunny Spells early then Dull
11 57.0 42.0 46.8 46.0 37.2 53.4 30.41 0.0 94 19 9 3 NNE Sunny Spells after Cloudy Start Breezy at times
12 58.3 41.9 46.4 44.2 41.7 53.6 30.45 0.0 83 30 6 2 NNE Sunny Spells after Cloudy Start Breezy at times
13 57.2 40.1 46.8 45.0 35.8 53.6 30.29 4.6 86 30 8 3 NNE Sunny cool start then cloudy with light showers cooler
14 52.0 43.0 50.4 50.2 42.1 52.9 30.08 18.0 99 25 5 2 NNE Cloudy Cool Rain at times
15 57.2 45.9 50.0 50.0 47.3 52.5 29.80 13.4 100 20 5 2 NNE Light to Mod rain Morning Sunny Spells Late Afternoon Evening T Storm
16 59.0 41.2 48.6 48.0 38.3 52.5 29.75 7.4 96 23 7 2 SSE Showers Sunny Spells 
17 54.0 37.0 49.8 48.4 31.1 52.7 29.89 7.2 89 41 4 2 ESE Cloudy Light Rain at times overnight ground frost
18 58.1 45.1 50.5 48.7 42.3 52.5 29.87 2.7 87 28 10 3 SSW Sunny Spells breezy at times short sharp showers
19 57.2 44.1 50.2 49.8 41.0 52.7 30.10 3.6 97 37 7 2 SSW Sunny Spells Light Showers Cooler
20 58.8 44.0 50.0 48.6 39.2 53.1 30.20 11.7 90 27 8 3 SSW Sunny Spells Short Sharp showers
21 62.2 46.0 51.6 50.4 41.5 53.6 30.06 0.3 91 26 5 2 SSW Sunny Spells Light Showers
22 62.4 45.9 51.6 49.8 39.0 54.3 30.06 0.4 87 24 8 3 SW Sunny Spells Odd spot of rain
23 67.3 45.9 59.0 55.9 46.2 54.5 30.19 0.0 82 26 2 1 SSW Dull start sunny spells later 
24 70.0 44.0 60.8 53.6 33.8 55.4 30.27 0.0 60 28 4 2 NNE Sunny Warm
25 70.5 47.0 58.8 55.4 39.2 56.3 30.20 5.8 78 13 6 2 SSW Sunny Warm
26 58.3 47.8 51.6 49.8 46.2 56.8 29.97 0.0 87 32 11 3 WNW Sunny Spells breezy cooler
27 63.3 44.1 50.2 49.6 41.0 56.5 30.19 1.6 96 41 10 3 SSW Light Rain early mostly Dull]
28 70.9 46.9 60.8 58.8 45.7 56.1 30.40 0.0 88 37 13 4 W Sunny Spells Warm breezy at times
29 76.1 49.9 55.8 55.4 42.6 57.2 30.59 0.0 98 30 0 0 CALM Warm sunny Spells
30 71.2 43.9 60.8 55.9 40.8 58.8 30.50 0.0 72 16 4 2 NE Warm sunny Spells
31 73.4 47.0 61.2 57.3 39.9 59.2 30.50 0.0 77 25 8 3 NNE Warm Sunny Spells
 
Total 1901.7 1372.1     1264.2 1679.7   92.8 2684 937 218 75  
Ave 61.3 44.3     40.8 54.2   3.0 86.6 30.2 7.0 2.4
164.8%
N 0.0
NNE 8.0 Number of Air Frosts 0
NE 1.0 Number of Ground Frosts 1
ENE 0.0 Days of measurable Rain 20
E 0.0 Days of rain greater than 10 mm 3
ESE 1.0 Days when gusts exceeded 50 mph 0
SE 0.0 Days when average Max exceeded 12
SSE 1.0 Days below average Max 18
S 0.0 Days above average Min 12
SSW 8.0 Days below average Min 16
SW 6.0
WSW 2.0
W 1.0
WNW 2.0
NW 0.0
NNW 0.0