MADISON LAKES ICE SUMMARY
Wisconsin State Climatology Office
Disclaimer: Freezing date is the first date that the majority of the lake surface is estimated to be frozen. No reliable information on ice thickness is available. See How ice-in, ice-out dates are determined for Madison Lakes.
|
|
MENDOTA |
MONONA |
WINGRA |
THIS YEAR 2020-21
|
Date lake froze |
3 Jan |
29 Dec |
6 Dec, 13 Dec |
|
Date lake opened |
20 Mar |
22 Mar |
9 Dec, 20 Mar |
|
Duration, days |
77 |
83 |
100 |
LAST YEAR 2019-20
|
Date lake froze |
12 Jan |
16 Dec,12 Jan |
12 Nov, 11 Dec |
|
Date lake opened |
22 Mar |
30 Dec, 20 Mar |
27 Nov, 12 Mar |
|
Duration, days |
70 |
82 |
107 |
MEDIAN DATES AND DURATION OF ICE COVER
|
Median Freeze Date |
20 Dec |
15 Dec |
29 Nov |
|
Median Opening Date |
4 Apr |
30 Mar |
25 Mar |
|
Median Duration, days |
102 |
103 |
114 |
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 |
30 Dec 2015 |
|
Second Latest |
20 Jan 2007 |
18 Jan 2007 |
29 Dec 1877 |
RECORD DATES FOR LAKE TO OPEN
|
Earliest Opening Date |
27 Feb 1998 |
26 Feb 2002 |
26 Feb 1998 |
|
Second Earliest |
7 Mar 2000, 2017 |
27 Feb 1998 |
27 Feb 2017 |
|
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, 2001–02 |
49, 1997–98 |
69, 2015–16 |
|
Second Shortest |
47, 1997–98 |
52, 1999–00 |
70, 1877–78 |
|
Longest Duration |
161, 1880–81 |
160, 1880–81 |
164, 1880–81 |
|
Second Longest |
151, 1856–57 |
151, 1856–57 |
145, 1887–88 |
RECORDS FOR DURATION OF ICE COVER, NUMBER OF DAYS AND SEASON
|
Range of Seasons |
1852/53-2020/21 |
1851/52-2020/21 |
1877/78-2020/21 |
|
Number of closings |
167 |
167 |
83 |
|
Number of openings |
167 |
167 |
83 |
|
Number of durations |
166 |
167 |
70 |
|
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 |
| 2001-2002 | 2002-2003 | 2004-2005 | ||
| 2006-2007 | 2007-2008 | 2008-2009 | 2009-2010 | 2010-2011 |
| 2011-2012 | 2012-2013 | 2013-2014 | 2014-2015 | 2015-2016 |
| 2016-2017 | 2017-2018 | 2018-2019 | 2019-2020 | 2020-2021 |
How ice-in, ice-out dates are determined for Madison Lakes
Link to Freezing Degree Day Climatology for Madison
Return to: [Madison Climate Page] [State Climatology Homepage]
Latest revision: 22 March 2021
Comments on the web page ... SCO Web Administrator
URL Address: https://www.aos.wisc.edu/oldsco/lakes/msnicesum.html
