Severe Thunderstorms and Heavy Rainfall in the Central and Southern Plains Through Tonight

Severe thunderstorms capable of very large hail, damaging wind gusts, and a few tornadoes will continue through tonight across parts of the central and southern Plains. Heavy rain will pose a threat for flash flooding across portions of central and coastal Texas. Thunderstorms may also cause isolated wind damage across the Southeast. 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.

At Pierre:

The average daily temperature of 40.4 was the 2nd coldest on record.
The average high temperature of 47.9 was the all time coldest on record.
The average low temperature of 32.8 was the 7th coldest on record.

At Aberdeen:

The average daily temperature of 40.2 was the 4th coldest on record.
The average high temperature of 47.5 was the 3rd coldest on record.

At Watertown:

The average daily temperature of 39.1 was the 4th coldest on record.
The average high temperature of 45.5 was the 2nd coldest on record.

Top Ten Coldest Average October Temperatures in Pierre (1933-2009)

	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

Top Ten Coldest Average October Temperatures in Aberdeen (1893-2009)

	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

ABR RSS Feed

Severe Thunderstorms and Heavy Rainfall in the Central and Southern Plains Through Tonight

Final Numbers on the Cold October 2009