Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >
October 2009 ended up much below normal across a majority of the Northern Plains, including much of South Dakota and west-central Minnesota. Below are a few interesting temperature facts at Pierre, Aberdeen, and Watertown. Tables listing the top 10 coldest temperatures are provided. A more complete summary of October 2009 will be provided within the next couple of days.
|
Value
|
Year(s)
|
1
|
39.7
|
2002
|
2
|
40.4
|
2009
|
3
|
42.2
|
1969
|
4
|
44.3
|
1959
|
5
|
44.8
|
1946
|
6
|
45.5
|
2006, 1972
|
8
|
46.2
|
1987
|
9
|
46.3
|
1976, 1970
|
|
Value
|
Year(s)
|
1
|
35.5
|
1925
|
2
|
37.6
|
2002
|
3
|
39.8
|
1919
|
4
|
40.2
|
2009
|
5
|
40.3
|
1898
|
6
|
41.4
|
1899
|
7
|
41.7
|
1905, 1959
|
9
|
42.0
|
2006
|
10
|
42.6
|
1969
|
Top Ten Coldest Average October Temperatures in Watertown (1893-2009)
|
Value
|
Year(s)
|
1
|
34.2
|
1925
|
2
|
35.5
|
1917
|
3
|
37.6
|
2002
|
4
|
39.1
|
2009
|
5
|
41.0
|
1919
|
6
|
41.2
|
1959
|
7
|
41.3
|
1913
|
8
|
41.6
|
1969
|
9
|
42.1
|
1976
|
10
|
42.2
|
1916
|