GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 301, Approximate Location: 44.15 N. Latitude, 87.57 W. Longitude Site Name Two Rivers on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1912 3 19 -1 -1 HF -1 -1 -1 -1 -1 -1 084.TIF SOUTH: TO END OF LAKE 1913 3 4 -1 -1 FD -1 -1 -1 -1 -1 -1 090.TIF LAKE 1913 4 1 -1 -1 DI -1 -1 -1 -1 -1 -1 094.TIF LAKE 1914 3 3 -1 -1 FD -1 -1 -1 -1 -1 -1 098.TIF LAKE 1915 3 9 -1 -1 FD -1 -1 BK -1 -1 -1 -1 106.TIF LAKE (ESPECIALLY TO THE SE) 1915 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 106.TIF WEST SHORE: SOUTHWARD 1915 3 16 -1 -1 BK -1 -1 -1 -1 -1 -1 107.TIF LAKE 1915 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 107.TIF WEST SHORE: SOUTHWARD 1915 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 108.TIF WEST SHORE: SOUTHWARD 1916 3 7 -1 -1 FD -1 -1 -1 -1 -1 -1 113.TIF 1916 3 14 -1 -1 FD -1 -1 -1 -1 -1 -1 114.TIF 1916 3 21 -1 -1 FD -1 -1 -1 -1 -1 -1 115.TIF 1916 4 4 -1 -1 FD -1 -1 BK -1 -1 -1 -1 117.TIF OFF PORT 1917 3 6 -1 -1 HF -1 -1 -1 -1 -1 -1 120.TIF LAKE 1917 3 13 -1 -1 FD -1 -1 -1 -1 -1 -1 121.TIF LAKE 1917 3 20 -1 -1 FD -1 -1 BK -1 -1 -1 -1 122.TIF LAKE 1917 3 27 -1 -1 LI -1 -1 -1 -1 -1 -1 123.TIF LAKE 1918 3 5 -1 -1 HF -1 -1 -1 -1 -1 -1 128.TIF LAKE 1918 3 19 -1 -1 FD -1 -1 -1 -1 -1 -1 130.TIF LAKE 1919 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 136.TIF LAKE 1920 3 9 -1 -1 HF -1 -1 -1 -1 -1 -1 140.TIF LAKE 1933 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 220.TIF TO 30Mi OUT 1934 3 6 -1 -1 LF -1 -1 -1 -1 -1 -1 228.TIF 1934 4 3 -1 -1 LF -1 -1 DI -1 -1 -1 -1 232.TIF 1935 3 19 -1 -1 SI -1 -1 PI -1 -1 -1 -1 239.TIF RIVER 1936 3 10 -1 -1 FD -1 -1 DI -1 -1 -1 -1 244.TIF 1939 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 268.TIF 1939 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 270.TIF 1940 3 24 -1 -1 LF -1 -1 -1 -1 -1 -1 280.TIF 1941 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 286.TIF 1946 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 318.TIF 1947 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 326.TIF 1948 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 335.TIF OUTSIDE HARBOR 1950 3 6 4 -1 -1 -1 -1 -1 -1 -1 350.TIF TO 2Mi OUT 1952 2 25 -1 -1 OW -1 -1 -1 -1 -1 -1 367.TIF 1953 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 375.TIF LAKE 1953 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 376.TIF LAKE 1957 2 25 -1 -1 OW -1 -1 -1 -1 -1 -1 407.TIF LAKE 1957 3 11 -1 -1 LI -1 -1 -1 -1 -1 -1 411.TIF LAKE 1958 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 417.TIF LAKE 1960 2 19 -1 -1 OW -1 -1 -1 -1 -1 -1 523.TIF LAKE ---------------------------------------------------------------------------------------------------------- Ice thickness is in inches, -1 = no thickness reported, see report for ice conditon codes. T1 = ice thickness or part of a range if T2 is present, C1 = primary condtion of ice. T1C1 = thickness of C1 or part of range if T2C1 is presnet. C2, T1C2, T2C2, C3, T1C3, T2C3 are secondary and ternary ice conditon and condition thickness.