History of Ice on Lake Mendota - http://www.aos.wisc.edu/~sco/lakes/Mendota-ice.html

	A	B	C	D	E
1	START YEAR	END YEAR	CLOSED	OPENED	DAYS
2	1855	1856	18 Dec	14 Apr	118
3	1856	1857	6 Dec	6 May	151
4	1857	1858	25 Nov	26 Mar	121
5	1858	1859	8 Dec	14 Mar	96
6	1859	1860	7 Dec	26 Mar	110
7	1860	1861	14 Dec	10 Apr	117
8	1861	1862	2 Dec	13 Apr	132
9	1862	1863	26 Dec	9 Apr	104
10	1863	1864	18 Dec	21 Apr	125
11	1864	1865	8 Dec	5 Apr	118
12	1865	1866	14 Dec	18 Apr	125
13	1866	1867	18Dec	20 Apr	123
14	1867	1868	12 Dec	31 Mar	110
15	1868	1869	10 Dec	16 Apr	127
16	1869	1870	2 Dec	12 Apr	131
17	1870	1871	24 Dec	2 Apr	99
18	1871	1872	19 Dec	23 Apr	126
19	1872	1873	30 Nov	23 Apr	144
20	1873	1874	29 Nov	14 Apr	136
21	1874	1875	10 Dec	15 Apr	126
22	1875	1876	10 Jan	10 Apr	91
23	1876	1877	8 Dec	17 Apr	130
24	1877	1878	6 Jan	9 Mar	62
25	1878	1879	21 Dec	12 Apr	112
26	1879	1880	17 Dec	25 Mar	99
27	1880	1881	23 Nov	3 May	161
28	1881	1882	2 Jan	21 Mar	78
29	1882	1883	10 Dec	13 Apr	124
30	1883	1884	18 Dec	15 Apr	119
31	1884	1885	17 Dec	20 Apr	124
32	1885	1886	12 Dec	19 Apr	128
33	1886	1887	5 Dec	15 Apr	131
34	1887	1888	24 Dec	15 Apr	113
35	1888	1889	2 Jan	31 Mar	88
36	1889	1890	14 Jan	30 Mar	75
37	1890	1891	26 Dec	16 Apr	111
38	1891	1892	27 Dec	2 Apr	97
39	1892	1893	16 Dec	7 Apr	112
40	1893	1894	4 Dec	15 Mar	101
41	1894	1895	28 Dec	8 Apr	101
42	1895	1896	5 Jan	5 Apr	91
43	1896	1897	21 Dec	10 Apr	110
44	1897	1898	17 Dec	27 Mar	100
45	1898	1899	9 Dec	18 Apr	130
46	1899	1900	27 Dec	17 Apr	111
47	1900	1901	25 Dec	11 Apr	107
48	1901	1902	15 Dec	30 Mar	105
49	1902	1903	25 Dec	24 Mar	89
50	1903	1904	13 Dec	17 Apr	126
51	1904	1905	14 Dec	1 Apr	108
52	1905	1906	1 Jan	8 Apr	97
53	1906	1907	20 Dec	24 Mar	94
54	1907	1908	1 Jan	24 Mar	83
55	1908	1909	22 Dec	7 Apr	106
56	1909	1910	18 Dec	26 Mar	98
57	1910	1911	9 Dec	20 Mar	101
58	1911	1912	28 Dec	14 Apr	108
59	1912	1913	24 Dec	2 Apr	99
60	1913	1914	12 Jan	10 Apr	88
61	1914	1915	16 Dec	10 Apr	115
62	1915	1916	28 Dec	8 Apr	102
63	1916	1917	16 Dec	11 Apr	116
64	1917	1918	11 Dec	5 Apr	115
65	1918	1919	3 Jan	26 Mar	82
66	1919	1920	9 Dec	28 Mar	110
67	1920	1921	25 Dec	16 Mar	81
68	1921	1922	25 Dec	31 Mar	96
69	1922	1923	16 Dec	20 Apr	125
70	1923	1924	1 Jan	14 Apr	104
71	1924	1925	19 Dec	3 Apr	105
72	1925	1926	16 Dec	19 Apr	124
73	1926	1927	6 Dec	19 Mar	103
74	1927	1928	17 Dec	1 Apr	106
75	1928	1929	21 Dec	27 Mar	96
76	1929	1930	3 Dec	20 Mar	107
77	1930	1931	16 Dec	24 Mar	98
78	1931	1932	30 Jan	4 Apr	65
79	1932	1933	10 Dec	4 Apr	115
80	1933	1934	25 Dec	26 Mar	91
81	1934	1935	24 Dec	28 Mar	94
82	1935	1936	20 Dec	30 Mar	101
83	1936	1937	7 Dec	30 Dec	-
84	1936	1937	5 Jan	13 Apr	121
85	1937	1938	7 Dec	22 Mar	105
86	1938	1939	28 Dec	4 Apr	97
87	1939	1940	2 Jan	16 Apr	105
88	1940	1941	5 Jan	11 Apr	96
89	1941	1942	3 Jan	26 Mar	82
90	1942	1943	7 Dec	2 Apr	116
91	1943	1944	16 Dec	8 Apr	114
92	1944	1945	18 Dec	20 Mar	92
93	1945	1946	13 Dec	21 Mar	98
94	1946	1947	30 Dec	10 Apr	101
95	1947	1948	21 Dec	3 Apr	104
96	1948	1949	24 Dec	30 Mar	96
97	1949	1950	23 Dec	11 Apr	109
98	1950	1951	11 Dec	12 Apr	122
99	1951	1952	16 Dec	8 Apr	114
100	1952	1953	30 Dec	21 Mar	81