1991 Halloween Blizzard - Records

Records

In eastern Minnesota, the Halloween Blizzard shattered many of the previous October snowfall records. The 8.2 inches that fell in the Twin Cities on October 31 was more snow than had ever been recorded in any October in its recorded history. November 1 saw similar daily records fall, but with a more wide reaching area from most of central Minnesota eastward to La Crosse and Eau Claire, Wisconsin. Following the storm Arctic air poured southward from Canada to produce many record low temperatures in these same areas. Bismarck, North Dakota, sank to −10 °F on October 31, breaking their previous record low of 6 °F (−14 °C) by 16 degrees. Record snow and cold was recorded as far south as Nebraska and Colorado. The Arctic air also spread over Chicago, recording a low of 11 on November 4.

Four weeks later on November 29 – 30, another large storm system dropped as much as 18 inches of snow over these same areas. These two storms combined to set a single-month record for most snowfall in the Twin Cities and Duluth.

Records tied or broken during the Halloween Blizzard
Event
1991 record
Old Record (1891–1990)
Duluth, Minnesota
Most snow on October 31 4.2 in (10.6 cm) m
Most snow on November 1 24.1 in (61.2 cm) m
Most single storm snow total 36.9 in (93.7 cm) m
Most snowfall in any month 50.1 in (127.3 cm) (Nov, 1991) 46.8 in (118.9 cm) (Jan, 1969)
Eau Claire, Wisconsin
Most snow on November 1 3.1 in (7.9 cm) m
International Falls, Minnesota
Most snow on November 1 11.6 in (29.5 cm ) 2.7 in (1974)
La Crosse, Wisconsin
Most snow on November 1 9.2 in (23.4 cm) m
Omaha, Nebraska
Most snow on October 31 5.7 in
St. Cloud, Minnesota
Most snow on October 31 3.1 in (7.9 cm) .5 in (1943)
Most snow on November 1 9.0 in (22.9 cm ) 3 in (1920)
Sioux Falls, South Dakota
Earliest 6 in snowfall 11.2 in m
Most snow in October 10.0 in m
Twin Cities
Most snow on October 31 8.2 in (20.8 cm) 0.4 in (1 cm) (1954)
Most snow on November 1 18.5 in (47 cm) 3.6 in (9.1 cm) (1941)
24 hour snowfall in any season 21.0 in (53.3 cm) 18.5 in (47 cm) (January 23, 1982)
Most single storm snow total 28.4 in (72.9 cm) 20.0 in (50.8 cm) (Jan 22–23, 1982)
Most snow in October 8.2 in (20.8 cm) 5.5 in (14 cm) (1905)
Earliest 8 inch snow 8.2 in (20.8 cm) 8.5 in (21.6 cm) (Nov 8, 1943)
Most snowfall in any month 46.9 in (119.1 cm) (Nov, 1991) 46.4 in (117.9 cm) (Jan, 1982)
Earliest autumn below zero low −3 °F (−19 °C) (Nov 4) −1 °F (−18 °C) (Nov 11, 1986)

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