MADISON LAKES ICE SUMMARY

State Climatology Office


 

MENDOTA

MONONA

WINGRA

THIS YEAR 2004-05

Date lake froze

25 Dec

24 Dec

14 Dec

Date lake opened

5 Apr

31 Mar

3 Apr

Duration, days

101

97

110

LAST YEAR 2003-04

Date lake froze

7 Jan

25 Dec, 6 Jan

9 Dec

Date lake opened

27 Mar

28 Dec, 20 Mar

16 Mar

Duration, days

80

77

98

MEDIAN DATES AND DURATION OF ICE COVER

Median Freeze Date

20 Dec

15 Dec

29 Nov

Median Opening Date

5 Apr

31 Mar

25 Mar

Median Duration, days

105

104

116

RECORD DATES FOR LAKE TO FREEZE

Earliest Freeze Date

23 Nov 1880

22 Nov 1880

2 Nov 1913

   Second Earliest

25 Nov 1857

23 Nov 1857

5 Nov 1991

Latest Freeze Date

30 Jan 1932

30 Jan 1932

29 Dec 1877

   Second Latest

14 Jan 1890, 2000

14 Jan 1890, 2000

24 Dec 2001

RECORD DATES FOR LAKE TO OPEN

Earliest Opening Date

27 Feb 1998

26 Feb 2002

26 Feb 1998

   Second Earliest

7 Mar 2000

27 Feb 1998

2 Mar 1882

Latest Opening Date

6 May 1857

4 May 1857

29 Apr 1881

   Second Latest

3 May 1881

1 May 1881

19 Apr 1975

RECORDS FOR DURATION OF ICE COVER, NUMBER OF DAYS AND SEASON

Shortest Duration

21, 200102

49, 199798

70, 187778

   Second Shortest

47, 199798

52, 199900

77, 199900

Longest Duration

161, 188081

160, 188081

164, 188081

   Second Longest

151, 185657

151, 185657

145, 188788

RECORDS FOR DURATION OF ICE COVER, NUMBER OF DAYS AND SEASON

Range of Years

1852-2004

1851-2004

1877-2004

Number of closings

151

152

67

Number of openings

151

151

68

Number of durations

150

151

54

Long-term variation in ice duration on Lake Mendota

Lake Mendota Ice Records

Long-term variation in ice duration on Lake Monona

Lake Monona Ice Records

 Long-term variation in ice duration on Lake Wingra


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Latest revision: 5 April 2005

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URL Address: http://www.aos.wisc.edu/~sco/lakes/icesum05.html