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Stormy Weather in the Northwest; Fire Weather Threat Redeveloping in Southern California this Weekend

An active fall storm pattern in the Pacific Northwest is bringing heavy rain and high elevation snow to the region which will persist through this weekend. Strong winds associated with this system will bring a renewed period of critical fire weather to southern California later this weekend into next week. Read More >

 

October 2009 proved to be a month of cool and wet conditions across the area, slowing and stalling at times the fall harvest, interfering with yard work and end of year construction projects, hampering the fall sports season, and featuring the most cloudy days in Sioux Falls for any month since 2004.  The following tables summarize some of the climatic information for the month.

Sioux City

 

 Rank

Precipitation (inches)

Avg. Temperature (degrees F)

Avg. Max Temp. (degrees F)

1

5.70 (2009)*

 39.3 (1925)

47.6 (1925)

 2

5.30 (1979)

 43.0 (1917)

53.3 (2009) 

3

 4.83 (1982)

44.3 (2009)

54.1 (1917) 

4

 4.77 (1968)

44.5 (2002)

54.6 (2002) 

5

 4.61 (2008)

45.1 (1976)

55.8 (1911,1919) 

 

wettest October on record Snowfall was 1.8", which was 8th greatest for October.  Greatest was 9.8" in 1991.

 

Sioux Falls

 

 Rank

Precipitation (inches)

Avg. Temperature (degrees F)

Avg. Max Temp. (degrees F)

1

6.89 (1911)

 37.8 (1925)

47.1 (1925)

 2

6.28 (1998)

 38.2 (1917)

49.7 (2009) 

3

 5.98 (2007)

40.9 (2002)

50.2 (1917) 

4

 5.73 (1973)

42.4 (2009)

50.3 (2002) 

5

 5.52 (2009)

43.1 (1895)

53.0 (1969) 

 

Snowfall was 3.5", which was 9th greatest for October.  Greatest was 10.0" in 1991.

Huron

 

 Rank

Precipitation (inches)

Avg. Temperature (degrees F)

Avg. Max Temp. (degrees F)

1

6.44 (1946)

 36.8 (1925)

46.5 (1925)

 2

5.12 (1998)

 39.3 (1917)

48.6 (2009) 

3

 4.88 (2008)

39.7 (2002)

49.8 (2002) 

4

 4.66 (1961)

41.3 (2009)

50.9 (1917) 

5

 3.90 (2009)

41.4 (1919)

52.1 (1919) 

 

 Snowfall was 2.6", which was 14th greatest for October.  Greatest was 10.7" in 1995.