Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire May 2004
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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 67.1 56.5 55.4 50.4 42.6 50.9 29.80 0.0 75 28 13 4 NE
2 69.8 40.1 62.6 57.2 30.4 52.7 29.81 0.2 73 32 2 1 WSW
3 58.1 45.0 50.0 46.4 40.5 53.6 29.65 7.9 75 21 6 2 NNW
4 51.8 41.8 47.8 46.1 41.5 52.5 28.98 6.2 89 31 10 3 SW
5 55.2 40.9 48.4 46.4 39.2 52.0 28.94 0.0 85 28 6 2 SW
6 58.1 40.5 53.6 49.8 35.8 52.7 29.35 0.0 76 22 4 2 WSW
7 63.5 40.8 57.2 51.8 34.3 52.3 29.65 11.4 67 16 5 2 N
8 61.5 47.5 51.8 46.4 34.2 53.6 29.70 1.0 95 24 9 3 NNE
9 59.9 49.0 54.0 53.4 49.6 54.5 29.77 0.2 96 22 2 1 NE
10 65.3 51.0 59.9 56.5 48.2 55.4 29.93 0.0 80 22 6 2 N
11 55.4 47.0 50.9 50.0 46.8 56.3 30.12 0.0 94 20 10 3 NNE
12 58.1 47.0 53.6 50.0 47.3 55.4 30.21 0.0 76 13 7 2 NE
13 60.8 44.6 55.4 53.6 37.0 55.4 30.16 0.0 88 13 3 1 SW
14 65.8 45.8 57.2 54.5 37.4 55.0 30.20 0.0 83 16 9 3 WNW
15 68.9 50.0 64.2 57.7 42.6 56.3 30.34 0.0 75 19 11 3 NW
16 75.2 46.1 68.0 61.7 41.0 56.8 30.46 0.0 68 18 2 1 N
17 69.8 50.6 68.0 59.9 40.8 59.0 30.23 0.0 60 17 8 3 W
18 68.9 46.5 61.7 55.4 39.9 59.0 30.25 0.0 70 26 6 2 W
19 66.2 52.1 62.4 55.4 47.5 59.0 30.19 0.0 74 31 10 3 W
20 62.6 50.2 59.0 53.6 48.4 59.7 30.16 0.4 65 34 4 2 NW
21 59.0 44.7 56.3 50.9 37.4 59.0 30.20 0.0 71 20 4 2 E
22 64.4 36.5 57.2 50.0 30.7 57.2 30.33 1.7 57 14 7 2 NNE
23 68.9 44.5 60.8 53.6 34.5 57.8 30.36 0.0 50 20 10 3 NNE
24 66.2 47.0 62.6 53.6 36.1 58.6 30.26 0.0 52 22 5 2 NNW
25 62.6 47.0 59.0 53.6 37.6 58.6 30.17 0.0 65 26 2 1 N
26 58.5 46.0 54.5 50.0 43.3 58.8 30.14 0.0 65 15 4 2 E
27 66.0 41.0 58.1 51.8 31.1 57.2 30.20 0.0 63 12 5 2 SE
28 63.5 43.2 57.2 50.0 34.2 57.7 30.18 0.7 56 21 8 3 SSW
29 68.0 51.8 59.0 55.4 34.2 58.1 30.05 0.1 77 17 12 3 SSW
30 66.2 47.0 61.7 55.4 37.2 58.8 30.07 1.1 70 22 6 2 NNE
31 70.7 45.0 64.8 59.7 32.9 57.8 30.06 5.4 73 13 3 1 WNW
Total 1976.0 1426.7     1214.2 1741.7   36.3 2263 655 199 68  
Ave 63.7 46.0     39.2 56.2   1.2 73.0 21.1 6.4 2.2
64.5%
N 4.0 Number of Air Frosts 0 Red indicates as Snow
NNE 5.0 Number of Ground Frosts 3 Light green Sleet
NE 3.0 Days of measurable Rain 12 Blue Trace Conditions
ENE 0.0 Days of rain greater than 10 mm 1
E 2.0 Days when gusts exceeded 50 mph 0
ESE 0.0 Days when average Max exceeded 20
SE 1.0 Days below average Max 11
SSE 0.0 Days above average Min 20
S 0.0 Days below average Min 11
SSW 2.0
SW 3.0 1st seven day average 52.1 11.2
WSW 2.0 2nd Seven day average 54.2 12.3
W 3.0 3rd seven day average 57.9 14.4
WNW 2.0 4th seven day avaerage 54.0 12.2
NW 2.0 Final few days average 58.1 14.5
NNW 2.0 Overall Average 55.3 12.9