Monthly Weather Data Derbyshire Lane Sheffield South Yorkshire July 1999
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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 68.9 51.0 59.0 56.7 59.9 29.91 0.2 86 S 0.0
2 75.2 57.8 63.5 61.2 61.3 29.96 12.0 87 SSW 0.0 Thunder and lightning
3 71.6 62.0 66.2 64.4 63.7 29.75 0.0 90 SW 0.0 Heavy rain
4 74.3 54.0 64.2 58.6 62.6 29.81 0.0 70 SW 0.0
5 77.0 54.0 70.3 62.4 63.7 29.84 3.0 62 CALM 0.0 Thunder and heavy showers
6 77.7 54.3 70.9 63.5 64.2 29.99 0.0 65 SE 0.0 Sunny
7 75.2 57.1 67.1 60.8 65.8 30.20 0.0 68 W 0.0 Dull morning bright in the afternoon
8 82.2 61.2 71.6 63.5 66.2 30.40 0.0 62 W 0.0 Cloudy and hot bright p.m.
9 76.1 63.2 67.1 63.5 67.6 30.41 0.0 81 SE 0.0 Cloudy in the morning sun in the afternoon
10 81.9 53.0 65.8 59.5 66.7 30.31 0.0 67 SE 0.0 Earlier mist then Sonny
11 79.5 56.0 68.9 60.8 67.6 30.30 0.0 60 NE 0.0 Hot and sunny
12 79.5 55.8 66.2 59.5 66.7 30.18 0.0 66 NE 0.0 Cloudy start then sunny
13 75.2 51.9 69.8 63.1 66.9 29.95 0.5 68 WSW 0.0 Sonny then turning cloudy and cool
14 64.4 53.0 57.2 50.9 64.4 29.50 0.2 62 W 0.0 showers in the afternoon
15 67.8 52.4 56.8 52.0 62.2 29.89 0.0 70 W 0.0 Cloudy but turning brighter later
16 75.2 55.3 60.3 56.8 62.6 29.99 0.0 80 SW 0.0 Cool and dull sunny later
17 73.4 54.1 63.3 57.0 62.8 30.02 0.0 66 SW 0.0 Humid
18 75.6 59.7 65.3 61.2 63.7 29.93 0.0 78 SW 0.0
19 75.6 56.3 61.2 57.7 63.7 29.87 7.0 80 SW 0.0
20 71.6 59.9 66.2 62.6 64.0 29.68 1.8 81 SW 0.0 Dull AM sun and showers PM
21 64.4 51.3 58.1 51.8 62.2 29.85 0.5 63 W 0.0 Cool blustery wind showers
22 64.4 53.0 55.6 53.1 60.8 30.06 0.0 81 NW 0.0
23 75.2 50.0 60.3 54.3 59.9 30.23 0.0 66 W 0.0
24 81.5 57.0 70.3 64.0 63.0 30.00 0.0 70 W 0.0
25 68.0 57.4 58.6 55.2 64.0 30.20 0.0 78 NW 0.0 Cloudy
26 72.1 50.0 60.8 52.5 64.2 30.34 0.0 54 NE 0.0
27 70.5 48.0 62.6 54.7 62.6 30.30 0.0 57 NE 0.0 bright and sunny
28 70.5 54.0 58.6 53.6 63.0 30.27 0.0 70 ENE 0.0 Cool cloudy some sunny periods
29 79.3 53.9 64.4 57.2 63.7 30.21 0.0 62 ESE 0.0 Cool cloudy some sunny periods
30 83.7 55.6 60.8 57.2 64.6 30.12 0.0 79 NE 0.0 Earlier mist then sunny
31 87.4 54.7 67.3 61.7 65.5 30.05 8.6 71 NE 0.0 Earlier mist then sunny
   
Total 2314.9 1706.9     1979.8   33.8 2200 0 0 0  
Ave 74.7 55.1     63.9   1.1 71.0 #DIV/0! #DIV/0! #DIV/0!
64.0%
N 0.0 Number of Air Frosts 0 Red indicates as Snow
NNE 0.0 Days of measurable Rain 9 Light green Sleet
NE 6.0 Days of rain greater than 10 mm 1 Blue Trace Conditions
ENE 1.0 Days when gusts exceeded 50 mph 0
E 0.0 Days when average Max exceeded 25
ESE 1.0 Days below average Max 6
SE 3.0 Days above average Min 21
SSE 0.0 Days below average Min 10
S 1.0
SSW 1.0 1st seven day average 65.0 18.3
SW 7.0 2nd Seven day average 66.6 19.2
WSW 1.0 3rd seven day average 63.8 17.6
W 7.0 4th seven day avaerage 62.3 16.8
WNW 0.0 Final few days average 69.1 20.6
NW 2.0 Overall Average 65.4 18.5
NNW 0.0