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| Climatological Information for St. Louis, United States |
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| Location of weather station : 38.7 N, 90.4 W, altitude : 163 m |
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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 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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