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Chain of Rocks, MO

Full City Profile · Missouri

5.0 /5.0
A+ Excellent
279 Population 1,550/sq mi density
$145,887 Median Income $31,957 per capita
$336,000 Home Value $325,660 Zillow
54°F Avg Temperature 268 sunny days/yr
A+
Overall
5.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$145,887 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$336,000 home value, /mo rent
A+
Education
5.0 / 5.0
49.7% bachelor's degree or higher
Chain of Rocks experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 28°F in January while summers reach 78°F in July. The area gets 268 sunny days per year. Annual precipitation totals 37.3 inches. The area receives 6.3 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

28°F Jan (-2°C) 78°F Jul (25°C)
Annual Average54.4°F
1% above US avg
January Average28°F (-2°C)
July Average78°F (25°C)
Sunny Days268 days/yr

Geography

Elevation486 ft (148 m)
Area0.2 sq mi (0.4 km²)
Population Density1,550/sq mi
Coordinates38.9151°N, 90.8015°W
TimezoneAmerica/Chicago
Nearest AirportSt Louis Lambert International (STL)
26 miles away

Precipitation & Snow

Annual Rainfall 37.3"
2% below US avg
Snowfall 6.3"
Wettest Month (May) 4.17"
Driest Month (Jan) 1.73"

Air Quality

AQI Median41.0
RatingGood

Earthquake History

24 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.9. Most recent: M2.6 on Sep 19, 2024.

Jun 7, 2011 18 km NNW of Potosi, Missouri M3.9 94 km
Mar 2, 1990 9 km NW of Vernon, Illinois M3.4 141 km
Aug 27, 1993 5 km SSE of Olympian Village, Missouri M3.3 97 km
Jul 1, 2017 9 km SSE of Mulberry Grove, Illinois M3.1 136 km
Jul 8, 2003 1 km N of Leasburg, Missouri M2.9 99 km
Feb 8, 2004 6 km SSW of Stoutsville, Missouri M2.9 113 km
May 18, 2006 9 km SSE of De Soto, Missouri M2.9 99 km
Apr 29, 2022 1 km SSW of Peerless Park, Missouri M2.8 50 km
Mar 28, 2024 1 km NNE of Germantown, Illinois M2.8 117 km
Jul 31, 1995 8 km SSW of Caledonia, Missouri M2.8 136 km
May 5, 2008 3 km SSE of Fenton, Missouri M2.8 58 km
Sep 13, 1997 3 km SSE of Darmstadt, Illinois M2.8 118 km
Jul 15, 1990 7 km SW of Potosi, Missouri M2.7 115 km
Nov 12, 1996 15 km SSE of Olympian Village, Missouri M2.7 108 km
Jul 22, 1998 12 km NE of Mine La Motte, Missouri M2.7 147 km
Sep 5, 2015 5 km SE of High Ridge, Missouri M2.7 61 km
Nov 25, 2013 8 km NE of Bonne Terre, Missouri M2.6 108 km
Feb 3, 2014 18 km NW of Potosi, Missouri M2.6 95 km
Mar 7, 2009 7 km S of Miramiguoa Park, Missouri M2.6 86 km
Jun 6, 2017 8 km ENE of Bonne Terre, Missouri M2.6 112 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

512 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 52 fatalities, 1,019 injuries.

Date Rating Distance Fatalities
Apr 22, 2011 EF4 34 km 0
Apr 3, 1981 EF4 62 km 0
Jan 24, 1967 EF4 34 km 3
Feb 10, 1959 EF4 46 km 21
Feb 24, 1956 EF4 53 km 6
Dec 10, 2021 EF3 67 km 6
Dec 10, 2021 EF3 36 km 1
May 31, 2013 EF3 26 km 0
May 31, 2013 EF3 58 km 0
Dec 31, 2010 EF3 55 km 1
Mar 13, 2006 EF3 51 km 0
Mar 13, 2006 EF3 46 km 0
Mar 11, 2006 EF3 98 km 0
Nov 15, 1988 EF3 77 km 0
Nov 15, 1988 EF3 16 km 0
Apr 29, 1984 EF3 11 km 0
May 1, 1983 EF3 63 km 0
May 1, 1983 EF3 65 km 0
Apr 22, 1981 EF3 86 km 1
Apr 7, 1980 EF3 44 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: CICERO CREEK (1,846 ac, 2004).

Year Name Acres Distance
2004 CICERO CREEK 1,846 100 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 1.7 in Coldest, Driest
February 33°F (1°C) 1.9 in
March 44°F (7°C) 3.3 in
April 55°F (13°C) 3.7 in
May 64°F (18°C) 4.2 in Wettest
June 73°F (23°C) 3.5 in
July 78°F (25°C) 3.8 in Warmest
August 76°F (24°C) 3.2 in
September 68°F (20°C) 3.2 in
October 57°F (14°C) 2.9 in
November 44°F (7°C) 3.2 in
December 33°F (1°C) 2.6 in

Chain of Rocks has a seasonal temperature swing of 50°F / from 28°F in January to 78°F in July. Total annual precipitation is 37.3 inches, with May being the wettest month (4.2") and January the driest (1.7").

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