List of Minnesota weather records

Weather observations being taken in Minneapolis, Minnesota in 1890.

The following is a list of Minnesota weather records observed at various stations across the state during the last 130 years. Minnesota is a state in the Upper Midwestern region of the United States. Due to its location in the northern plains of the United States its climate is one of extremes. Minnesota's history of nearly continuous meteorological record keeping stretches back nearly two centuries to 1819 when Fort Snelling was settled. By 1871 the first official government observations were taking place in the Twin Cities and by the early 20th century most statewide stations that exist today were in operation.^[1]^[2]

Temperature

Overall

The 1936 North American heat wave caused record-setting temperatures in eight US states.

Event^[3]	Measurement	Date	Location
Highest Temperature	114 °F (45.6 °C)	July 29, 1917 July 6, 1936	Beardsley Moorhead
Lowest Temperature	−60 °F (−51.1 °C)	February 2, 1996	Tower
Largest single-day change	71 °F drop (39 °C drop)	April 3, 1982	Lamberton

By month

Event^[1]	Measurement	Date	Location
January
Highest Temperature	69 °F (21 °C)	January 24, 1981	Montevideo
Lowest Temperature	−57 °F (−49 °C)	January 24, 1904 January 21, 1996 January 22, 1996	Embarrass
February
Highest Temperature	76 °F (24 °C)	February 26, 1896	Pleasant Mound
Lowest Temperature	−60 °F (−51 °C)	February 2, 1996	Tower
March
Highest Temperature	88 °F (31 °C)	March 23, 1910	Montevideo
Lowest Temperature	−50 °F (−46 °C)	March 2, 1897	Pokegama Dam
April
Highest Temperature	101 °F (38 °C)	April 22, 1980	Hawley
Lowest Temperature	−22 °F (−30 °C)	April 6, 1979	Karlstad
May
Highest Temperature	112 °F (44 °C)	May 31, 1934	Maple Plain
Lowest Temperature	4 °F (−16 °C)	May 1, 1909 May 2, 1909	Pine River Pine River
June
Highest Temperature	110 °F (43 °C)	June 29, 1931	Canby
Lowest Temperature	15 °F (−9 °C)	June 1, 1964	Bigfork
July
Highest Temperature	114 °F (46 °C)	July 29, 1917 July 6, 1936	Beardsley Moorhead
Lowest Temperature	24 °F (−4 °C)	July 7, 1997	Tower
August
Highest Temperature	110 °F (43 °C)	August 10, 1947 August 1, 1988	Beardsley Montevideo
Lowest Temperature	21 °F (−6 °C)	August 28, 1996 August 2, 2002	Tower Kelliher
September
Highest Temperature	111 °F (44 °C)	September 11, 1931	Beardsley
Lowest Temperature	10 °F (−12 °C)	September 30, 1930 September 22, 1974	Big Falls Thorhult
October
Highest Temperature	98 °F (37 °C)	October 5, 1963	Beardsley
Lowest Temperature	−16 °F (−27 °C)	October 26, 1936	Roseau
November
Highest Temperature	84 °F (29 °C)	November 1, 1950	Winona
Lowest Temperature	−45 °F (−43 °C)	November 30, 1896	Pokegama Dam
December
Highest Temperature	74 °F (23 °C)	December 9, 1939	Wheaton
Lowest Temperature	−57 °F (−49 °C)	December 31, 1898	Pokegama Dam

Precipitation

Map of Minnesota showing the snowfall totals from the 1991 Halloween Blizzard.

Event^[3]	Measurement	Date	Location
Most yearly precip (one location)	53.78 inches (1,366 mm)	2016	Waseca
Least yearly precip (one location)	6.37 inches (162 mm)	1976	Ortonville
Most yearly precip (State average)	33.92 inches (862 mm)^[4]	1977	Statewide
Longest dryspell	79 days	November 9, 1943 - January 26, 1944	Beardsley, Canby, Marshall, Dawson

Rain

Event	Measurement	Date	Location
Most rain in 24 hours^[5]	15.10 inches (384 mm)	August 18 – August 19, 2007	Hokah
Most rain in one month^[6]	23.86 inches (606 mm)	August, 2007	Hokah

Snow

Event^[3]	Measurement	Date	Location
Earliest recorded snow^[1]	Trace	August 31, 1949	Duluth
Earliest measurable snow	0.3 inch (1 cm)	September 14, 1964	International Falls
Latest recorded snow	1.5 inches (4 cm)	June 4, 1935	Mizpah
Most snow, 24 hours	36 inches (91 cm)	January 7, 1994	Lake County
Most snow, one storm	47 inches (119 cm)	January 6–8, 1994	Lake County
Most snow, one month^[7]	66 inches (168 cm)	March, 1965	Collegeville
Most snow, season	170 inches (432 cm)	1949 – 1950	Grand Portage State Park
Deepest snowpack^[7]	75 inches (191 cm)	March 28, 1950	Pigeon River Bridge
Most fatalities, winter storm^[8]	up to 200	January 12–13, 1888	Statewide

Tornadoes

Damage from the 1886 Sauk Rapids tornado, Minnesota's deadliest tornado on record.

Event^[9]		Date	Location
Most in one day	48^[10]	June 17, 2010	Statewide
Most in one month	71	June, 2010	Statewide
Most in one year	113	2010	Statewide
Earliest in season		March 18, 1968	Truman
Earliest outbreak in season (2 or more)^[11]	14	March 29, 1998	Southern Minnesota
Latest in season		November 16, 1931	Maple Plain
Most fatalities, single tornado	72	April 14, 1886	St. Cloud, Sauk Rapids, Rice
Most intense damage measured^[12]	F5	June 13, 1968 June 16, 1992	Tracy Chandler
Longest track (broken path)^[13]	110 miles (177 km)	August 26, 1977	Otter Tail, Wadena, Cass, Crow Wing counties
Longest track (continuous path)^[13]	67 miles (108 km)	March 29, 1998	Murray, Cottonwood, Brown, Watonwan, Blue Earth, Nicollet counties
Biggest outbreak	48	Mid-June 2010 tornado outbreak	Statewide

Hail

Event^[14]^[15]	Measurement	Date	Location
Largest hailstone	6 inches (15 cm) dia.	July 4, 1968 July 28, 1986	Edgerton Reading

Flooding

A bridge connecting East Grand Forks, Minnesota to Grand Forks, North Dakota is submerged during the record flooding of the Red River in 1997.^[16]

Record flood stages for selected cities in Minnesota

Event	Measurement	Date	Location
Middle Fork, Whitewater River
Highest flood stage^[17]	19.24 ft	August 19, 2007	Whitewater State Park
Root River
Highest flood stage^[17]	18.75 ft	August 19, 2007	Houston
Red River of the North
Highest flood stage^[18]	40.82 ft	March 28, 2009	Moorhead
Highest flood stage^[19]	54.35 ft	April 22, 1997	East Grand Forks
Minnesota River
Highest flood stage^[20]	23.90 ft	April 6, 1997	Montevideo
Highest flood stage^[21]	35.07 ft	April 12, 1965	Jordan
Mississippi River
Highest flood stage^[22]	26.01 ft	April 16, 1965	St. Paul
Highest flood stage^[23]	20.77 ft	April 19, 1965	Winona

Other records

The area of Low pressure that caused the United States' lowest recorded continental atmospheric pressure on October 26, 2010

over Minnesota

Event	Measurement	Date	Location
Highest Pressure^[3]	31.11 inHg (1053.5 mb)	January 21, 1922	Collegeville
Lowest Pressure^[24]	28.21 inHg (956 mb)^[25]	October 26, 2010	Bigfork
Highest dew point	88 °F (31 °C)	July 18, 2011 July 19, 2011	Madison Moorhead
Highest heat index	134 °F (57 °C)	July 19, 2011	Moorhead
Lowest wind chill (estimated)^[3]	−100 °F (−73 °C) (old formula) −71 °F (−57 °C) (new formula)	January 9 – January 10, 1982	Northern Minnesota
Highest wind (sustained)^[26]	121 mph (194 km/h)	September 1, 2011	Donaldson
Highest wind (gust)^[1]	180 mph (290 km/h)	August 20, 1904	St. Paul

References

1 2 3 4 Seeley W., Mark (2006). Minnesota Weather Almanac. Minnesota Historical Society press. ISBN 0-87351-554-4.
↑ "History of the NWS in the Twin Cities". National Weather Service - Twin Cities. November 9, 2005. Retrieved 2007-06-19.
1 2 3 4 5 "Climate Extremes for Minnesota". Minnesota Climatology Office. September 6, 2011. Retrieved 2012-03-12.
↑ http://climate.umn.edu/doc/journal/warm_wet_2010.htm
↑ "New 24-hour precipitation record established in Minnesota". National Weather Service. August 23, 2007. Retrieved 2007-08-24.
↑ "Monthly Minnesota Rainfall Record Broken". Minnesota Climatology Office. October 18, 2007. Retrieved 2007-10-19.
1 2 "Minnesota Snowfall and Snow Depth Extremes". National Climatic Data Center. December 3, 2007. Retrieved 2008-02-01.
↑ "Famous Minnesota Winter Storms". Minnesota State Climatology Office. March 2, 2007. Retrieved 2007-06-28.
↑ "Minnesota Tornado History and Statistics". Minnesota Climatology Office. May 21, 2007. Retrieved 2007-06-19.
↑ http://www.crh.noaa.gov/images/mpx/2010torlist.pdf
↑ "Five Year Anniversary of the Comfrey/ St. Peter Tornado Outbreak". National Weather Service - Twin Cities. March 26, 2003.
↑ "F5 Tornadoes of the United States". Storm Prediction Center.
1 2 "How Historically Unusual Was This?". The Southern Minnesota Tornadoes of March 29, 1998. NWS - Twin Cities. March 6, 2008. Retrieved 2008-05-08.
↑ "NCDC Storm Event Database". NCDC. 1950–2006. Retrieved 2007-06-24.
↑ "NCDC Storm Event Database". NCDC. 1950–2006. Retrieved 2007-06-24.
↑ Macek-Rowland, K.M. (April 13, 2005). "1997 Floods in the Red River of the North and Missouri River Basins in North Dakota and Western Minnesota". U.S. Geological Survey. Retrieved 2007-07-11.
1 2 "Historic Rainfall and Flooding Event of August 18-20, 2007". NOAA. Retrieved 2007-08-31.
↑ "RED RIVER OF THE NORTH AT FARGO, ND". U.S. Geological Survey. Retrieved 2009-06-18.
↑ "RED RIVER OF THE NORTH AT GRAND FORKS, ND" (PDF). U.S. Geological Survey. Archived from the original (pdf) on 2007-12-03. Retrieved 2007-07-20.
↑ "MINNESOTA RIVER NEAR MONTEVIDEO, MN" (PDF). U.S. Geological Survey. Archived from the original (pdf) on 2007-12-03. Retrieved 2007-07-20.
↑ "MINNESOTA RIVER NEAR ALEXANDRIA, MN" (PDF). U.S. Geological Survey. Archived from the original (pdf) on 2007-12-03. Retrieved 2007-07-20.
↑ "MISSISSIPPI RIVER AT ST. PAUL, MN" (PDF). U.S. Geological Survey. Archived from the original (pdf) on 2007-12-03. Retrieved 2007-07-20.
↑ "MISSISSIPPI RIVER AT WINONA, MN" (PDF). U.S. Geological Survey. Archived from the original (pdf) on 2007-12-03. Retrieved 2007-07-20.
↑ "Storm Data and Unusual Weather Phenomena" (PDF). NOAA. Retrieved 2006-11-20.
↑ "Record Low Pressure Hits Minnesota October 26-27, 2010". Minnesota Climatology Office. October 28, 2010. Retrieved 2010-10-29.
↑ http://www.startribune.com/local/129169613.html

External links

State of Minnesota

Saint Paul (capital)

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Weather Records in the United States

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