GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 126, Approximate Location: 45.86 N. Latitude, 84.72 W. Longitude Site Name St. Ignace Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1911 3 7 16 -1 -1 -1 -1 -1 -1 -1 077.TIF 1911 3 14 15 -1 SO -1 -1 WT 2 -1 -1 -1 078.TIF 1911 3 21 11 -1 RT -1 -1 -1 -1 -1 -1 079.TIF 1912 3 19 22 -1 -1 -1 -1 -1 -1 -1 084.TIF 1912 3 26 22 -1 -1 -1 -1 -1 -1 -1 085.TIF 1912 4 2 22 -1 -1 -1 -1 -1 -1 -1 086.TIF 1914 3 3 14 -1 -1 -1 -1 -1 -1 -1 098.TIF 1914 3 10 14 -1 -1 -1 -1 -1 -1 -1 099.TIF 1916 3 21 30 -1 SO -1 -1 -1 -1 -1 -1 115.TIF 1916 3 28 30 -1 -1 -1 -1 -1 -1 -1 116.TIF 1920 3 23 18 -1 SO -1 -1 -1 -1 -1 -1 142.TIF 1969 2 24 9 -1 -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 9 -1 -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 9 -1 -1 -1 -1 -1 -1 -1 505.TIF 1969 3 17 9 -1 -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 6 -1 -1 -1 -1 -1 -1 -1 507.TIF 1970 3 10 16 -1 -1 -1 -1 -1 -1 -1 511.TIF ---------------------------------------------------------------------------------------------------------- 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.