This recent stretch of warm temperatures, since about March 3rd, have slowly eroded the snow cover over southern Wisconsin. In addition, several periods of dense fog Sunday night and Monday night accelerated the snowmelt.
The official snowcover in Madison went from 6 inches at 6 am Saturday to 2 inches at 6 am Tuesday. At 6 am this morning, only a trace of snow was reported at the Dane County Regional Airport in Madison where the official observations for the city are taken.
With the snow cover decreasing to a trace, this ends the long streak of days with at least 1 inch snow cover in Madison. The streak ends at 93 days, which began back on December 7th. This ties for 6th longest streak of days.
The below table lists the Top 20 longest consecutive day streaks with snow cover of at least one inch in Madison:
|
RANK |
# DAYS |
END DATE |
|
1 |
118 |
3/20/1979 |
|
2 |
116 |
3/17/1986 |
|
3 |
110 |
3/19/2008 |
|
4 |
105 |
3/24/1962 |
|
5 |
98 |
3/13/2001 |
|
6 |
93 |
3/13/1971 |
|
6 |
93 |
3/10/2010 |
|
8 |
91 |
3/20/1978 |
|
8 |
91 |
2/26/1943 |
|
8 |
91 |
3/11/1910 |
|
11 |
89 |
3/1/1991 |
|
11 |
89 |
3/3/1951 |
|
13 |
88 |
3/9/1917 |
|
14 |
86 |
3/9/1936 |
|
15 |
84 |
2/25/1945 |
|
16 |
78 |
2/22/1970 |
|
17 |
77 |
2/12/1938 |
|
18 |
75 |
3/26/1993 |
|
18 |
75 |
2/12/1984 |
|
20 |
73 |
3/27/1960 |
Of note in the above table is the 3rd longest streak of 110 days with snowcover that occurred from 2007 into 2008, ending on March 19th. This was the season Madison set an all-time record snowfall of 101.4 inches. So far this winter season, Madison has received 48.9 inches.
Marc Kavinsky
NWS Milwaukee/Sullivan