Ice Breakup Days After Midnight	Years Since 1900	Year
119.479	17	1917
130.398	18	1918
122.606	19	1919
131.448	20	1920
130.279	21	1921
131.556	22	1922
128.083	23	1923
131.632	24	1924
126.772	25	1925
115.669	26	1926
132.238	27	1927
126.684	28	1928
124.653	29	1929
127.794	30	1930
129.391	31	1931
121.427	32	1932
127.813	33	1933
119.588	34	1934
134.564	35	1935
120.540	36	1936
131.836	37	1937
125.843	38	1938
118.560	39	1939
110.644	40	1940
122.076	41	1941
119.561	42	1942
117.807	43	1943
124.589	44	1944
135.404	45	1945
124.694	46	1946
122.745	47	1947
133.467	48	1948
133.527	49	1949
125.676	50	1950
119.746	51	1951
132.711	52	1952
118.662	53	1953
125.751	54	1954
128.592	55	1955
121.975	56	1956
124.396	57	1957
118.622	58	1958
127.476	59	1959
122.800	60	1960
124.980	61	1961
131.974	62	1962
124.767	63	1963
140.487	64	1964
126.792	65	1965
127.508	66	1966
123.497	67	1967
128.393	68	1968
117.519	69	1969
123.442	70	1970
127.897	71	1971
130.497	72	1972
123.499	73	1973
125.656	74	1974
129.576	75	1975
122.452	76	1976
125.532	77	1977
119.638	78	1978
119.761	79	1979
119.553	80	1980
119.781	81	1981
129.733	82	1982
118.776	83	1983
129.648	84	1984
130.608	85	1985
127.951	86	1986
124.633	87	1987
117.385	88	1988
120.843	89	1989
113.722	90	1990
120.003	91	1991
134.269	92	1992
112.542	93	1993
118.959	94	1994
115.557	95	1995
125.522	96	1996
119.436	97	1997
109.704	98	1998
118.908	99	1999
121.449	100	2000
127.542	101	2001
126.894	102	2002
118.765	103	2003
114.594	104	2004
117.501	105	2005
121.729	106	2006
116.658	107	2007
126.953	108	2008
120.862	109	2009
118.379	110	2010
123.685	111	2011
114.819	112	2012
139.612	113	2013
114.658	114	2014
113.601	115	2015
112.652	116	2016
120.500	117	2017