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Climatological Information for St. Louis, United States
Location of weather station : 38.7 N, 90.4 W, altitude : 163 m
Data
Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mean Maximum
Temperature
(deg. C)
1961-1990
3.2
5.9
12.6
19.4
24.5
29.6
31.8
30.7
26.6
20.3
12.6
5.4
Mean Temperature
(deg. C)
1961-1990
-1.5
1.1
7.3
13.7
18.9
24.1
26.6
25.3
21.2
14.7
7.9
1.1
Mean Minimum
Temperature
(deg. C)
1961-1990
-6.2
-3.8
1.9
8.0
13.3
18.7
21.3
19.9
15.8
9.1
3.2
-3.3
Rainfall Amount
(mm)
1961-1990
46.0
53.8
90.9
88.9
100.8
94.5
97.8
72.4
79.2
68.1
83.3
77.0
Days with Rain*
1961-1990
6.0
6.2
9.1
9.1
8.5
7.9
7.1
6.2
6.6
6.6
7.3
7.4
Mean Daily Sunshine
Duration
(hours)
1961-1990
5.2
5.7
6.4
7.4
8.6
9.7
10.0
8.7
7.9
6.7
4.7
4.2
* denotes number of days with at least 1.0 mm of rainfall
2003
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Last revision date: <20 Dec 2012>