Clay County, Illinois
| Clay County, Illinois | |
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Clay County Courthouse in Louisville
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 Location in the U.S. state of Illinois |
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 Illinois's location in the U.S. |
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| Founded | 1824 |
| Named for | Henry Clay |
| Seat | Louisville |
| Largest city | Flora |
| Area | |
| • Total | 470 sq mi (1,217 km2) |
| • Land | 468 sq mi (1,212 km2) |
| • Water | 1.3 sq mi (3 km2), 0.3% |
| Population | |
| • (2010) | 13,815 |
| • Density | 29/sq mi (11/km²) |
| Congressional district | 15th |
| Time zone | Central: UTC-6/-5 |
| Louisville, Illinois | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Climate chart () | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| J | F | M | A | M | J | J | A | S | O | N | D |
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2.7
38
21
|
2.5
44
25
|
4
55
34
|
4.1
67
43
|
4.3
76
53
|
4.3
85
62
|
3.9
89
65
|
3.3
87
63
|
3.2
80
56
|
3
69
45
|
4.1
55
35
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3.4
43
25
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| Average max. and min. temperatures in °F | |||||||||||
| Precipitation totals in inches | |||||||||||
| Source: The Weather Channel | |||||||||||
| Metric conversion | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| J | F | M | A | M | J | J | A | S | O | N | D |
|
70
3
−6
|
63
7
−4
|
102
13
1
|
105
19
6
|
109
24
12
|
110
29
17
|
99
32
18
|
85
31
17
|
81
27
13
|
77
21
7
|
104
13
2
|
85
...
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