GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 145, Approximate Location: 45.33 N. Latitude, 83.48 W. Longitude Site Name Presque Isle Light on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1908 3 3 2 -1 -1 -1 -1 -1 -1 -1 057.TIF HARBOR 1908 3 3 -1 -1 FD -1 -1 -1 -1 -1 -1 057.TIF LAKE: ABOUT 5Mi OUT 1911 3 7 -1 -1 FD -1 -1 -1 -1 -1 -1 077.TIF LAKE 1911 3 7 -1 -1 LI -1 -1 -1 -1 -1 -1 077.TIF HARBOR 1911 3 14 -1 -1 BK -1 -1 -1 -1 -1 -1 078.TIF HARBOR 1911 3 14 -1 -1 LI -1 -1 -1 -1 -1 -1 078.TIF 1918 3 19 36 -1 -1 -1 -1 -1 -1 -1 130.TIF HARBOR 1918 3 19 -1 -1 HF -1 -1 -1 -1 -1 -1 130.TIF 1918 3 26 28 -1 -1 -1 -1 -1 -1 -1 131.TIF HARBOR 1918 3 26 -1 -1 HF -1 -1 -1 -1 -1 -1 131.TIF LAKE 1918 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 133.TIF HARBOR 1931 3 3 -1 -1 LI -1 -1 -1 -1 -1 -1 209.TIF SOUTH TO PORT HURON 1936 3 17 -1 -1 IP -1 -1 BV -1 -1 -1 -1 245.TIF 1939 3 6 -1 -1 DI -1 -1 -1 -1 -1 -1 268.TIF 1939 3 20 10 -1 -1 -1 -1 -1 -1 -1 270.TIF 1941 3 10 -1 -1 LF -1 -1 SW -1 -1 -1 -1 286.TIF 1941 3 17 -1 -1 OW -1 -1 BV -1 -1 -1 -1 287.TIF 1941 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 289.TIF EXCEPT IN NORTH BAY 1942 3 16 -1 -1 FD -1 -1 SW -1 -1 -1 -1 293.TIF 1944 3 27 -1 -1 LF -1 -1 -1 -1 -1 -1 311.TIF 1946 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 318.TIF NORTH & EAST BAYS 1946 3 4 -1 -1 LF -1 -1 -1 -1 -1 -1 318.TIF LAKE 1949 3 14 6 8 BK -1 -1 -1 -1 -1 -1 344.TIF HARBOR 1949 3 14 -1 -1 LF -1 -1 -1 -1 -1 -1 344.TIF LAKE 1949 3 21 -1 -1 LI -1 -1 -1 -1 -1 -1 346.TIF HARBOR 1950 3 13 -1 -1 BK -1 -1 -1 -1 -1 -1 351.TIF HARBOR 1950 3 13 -1 -1 FD -1 -1 -1 -1 -1 -1 351.TIF LAKE 1950 3 20 -1 -1 IP -1 -1 -1 -1 -1 -1 352.TIF HARBOR 1953 3 23 -1 -1 DI -1 -1 SI -1 -1 -1 -1 379.TIF 1954 3 1 -1 -1 OW -1 -1 BV -1 -1 -1 -1 381.TIF HARBOR 1962 3 19 -1 -1 FD -1 -1 DI -1 -1 -1 -1 450.TIF HARBOR 1962 4 9 -1 -1 FD -1 -1 FS -1 -1 WI -1 -1 453.TIF NEAR SHORE 1962 4 16 -1 -1 FD -1 -1 FS -1 -1 -1 -1 454.TIF 200FT OUT 1962 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 454.TIF BEYOND 200FT OUT ---------------------------------------------------------------------------------------------------------- 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.