GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 278, Approximate Location: 44.91 N. Latitude, 86.04 W. Longitude Site Name Sleeping Bear Point on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1900 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 007.TIF TO SOUTH MANITOU ISLAND 1901 3 19 -1 -1 DI -1 -1 -1 -1 -1 -1 013.TIF TO PYRAMID POINT & TO 2Mi NORT 1904 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 032.TIF WESTWARD 1905 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 041.TIF TO NORTH MANITOU 1908 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 058.TIF WEST OF THE POINT 1912 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 083.TIF WESTWARD 1913 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 092.TIF 1913 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 094.TIF WEST OF POINT 1913 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 096.TIF WEST 1914 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 099.TIF WEST 1914 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 100.TIF WEST 1916 3 28 -1 -1 FD -1 -1 -1 -1 -1 -1 116.TIF TO 6Mi OUT 1917 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 124.TIF WESTWARD 1917 4 10 -1 -1 IP -1 -1 -1 -1 -1 -1 125.TIF 1917 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 126.TIF TO THE WEST 1917 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 127.TIF WESTWARD 1918 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 130.TIF WESTWARD 1918 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 131.TIF 1918 4 9 -1 -1 FD -1 -1 -1 -1 -1 -1 133.TIF 1926 3 2 -1 -1 IP -1 -1 -1 -1 -1 -1 176.TIF 1926 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 177.TIF TO THE SW 1926 3 16 -1 -1 HF -1 -1 -1 -1 -1 -1 178.TIF NORTHWARD 1926 3 23 -1 -1 SO -1 -1 -1 -1 -1 -1 179.TIF NORTHWARD TO THE STRAITS 1926 3 30 -1 -1 HF -1 -1 -1 -1 -1 -1 180.TIF TO N. MANITOU ISLAND 1926 4 13 -1 -1 FD -1 -1 -1 -1 -1 -1 182.TIF NORTHWARD TO THE STRAITS 1926 4 20 -1 -1 OW -1 -1 -1 -1 -1 -1 183.TIF SOUTHWARD: ALONG EAST SHORE 1930 4 8 -1 -1 DI -1 -1 BV -1 -1 -1 -1 207.TIF NORTHWARD ---------------------------------------------------------------------------------------------------------- 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.