| Logan County, Illinois | |
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Logan County Courthouse
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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 | February 15, 1839 |
| Named for | John A. Logan |
| Seat | Lincoln |
| Largest city | Lincoln |
| Area | |
| • Total | 619 sq mi (1,603 km2) |
| • Land | 618 sq mi (1,601 km2) |
| • Water | 0.9 sq mi (2 km2), 0.1% |
| Population | |
| • (2010) | 30,305 |
| • Density | 49/sq mi (19/km²) |
| Congressional district | 18th |
| Time zone | Central: UTC-6/-5 |
| Website | www |
| Lincoln, 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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1.7
32
15
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1.6
38
19
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3.1
50
29
|
3.6
63
39
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4.4
74
50
|
4
83
61
|
4.4
86
64
|
4
84
62
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3.1
78
53
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2.8
66
41
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3
51
31
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2.6
38
21
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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 |
|
43
0
−9
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39
3
−7
|
79
10
−2
|
92
17
4
|
112
23
10
|
101
28
16
|
110
30
18
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102
29
17
|
80
26
12
|
71
19
5
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76
11
−1
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67
...
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