GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 275, Approximate Location: 45.00 N. Latitude, 86.12 W. Longitude Site Name South Manitou Island on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1900 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 005.TIF TO SLEEPING BEAR POINT 1908 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 057.TIF CHANNEL TO SLEEPING BEAR PT. 1908 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 060.TIF 1909 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 064.TIF LAKE 1910 3 1 -1 -1 IP -1 -1 -1 -1 -1 -1 071.TIF WEST OF ISLANDS 1910 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 071.TIF SOUTH OF ISLANDS 1910 3 8 -1 -1 FD -1 -1 -1 -1 -1 -1 072.TIF SOUTH OF THE ISLAND 1910 3 15 -1 -1 DI -1 -1 -1 -1 -1 -1 073.TIF CHANNEL 1910 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 074.TIF 1910 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 075.TIF 1912 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 083.TIF WESTWARD 1912 3 12 -1 -1 SO -1 -1 -1 -1 -1 -1 083.TIF TO THE MAINLAND 1912 3 19 -1 -1 NC -1 -1 -1 -1 -1 -1 084.TIF 1912 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 085.TIF TO SLEEPING BEAR POINT 1912 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 087.TIF SOUTHWARD 1913 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 090.TIF TO THE WEST 1913 3 25 -1 -1 DI -1 -1 -1 -1 -1 -1 093.TIF CHANNEL 1913 4 1 -1 -1 IP -1 -1 -1 -1 -1 -1 094.TIF EAST AND NORTH 1913 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 094.TIF WEST OF ISLAND 1913 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 095.TIF 1914 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 098.TIF 1914 3 10 -1 -1 DI -1 -1 -1 -1 -1 -1 099.TIF 1914 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 101.TIF 1914 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 102.TIF 1914 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 103.TIF 1914 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 104.TIF 1915 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 106.TIF 1916 3 7 -1 -1 FD -1 -1 -1 -1 -1 -1 113.TIF NORTH & NORTHWEST 1916 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 113.TIF SOUTH & SOUTHWEST 1916 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 113.TIF TO 1Mi OUT IN THE CHANNEL 1916 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 114.TIF AROUND THE ISLAND 1916 3 14 -1 -1 FD -1 -1 -1 -1 -1 -1 114.TIF WESTWARD OF THE ISLAND 1916 3 14 -1 -1 FD -1 -1 -1 -1 -1 -1 114.TIF 2Mi TO THE EAST OF THE ISLAND 1916 3 21 -1 -1 PI -1 -1 -1 -1 -1 -1 115.TIF 1916 3 28 -1 -1 HF -1 -1 -1 -1 -1 -1 116.TIF EASTWARD 1916 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 117.TIF SOUTH OF ISLAND 1916 4 4 -1 -1 FD -1 -1 -1 -1 -1 -1 117.TIF EAST & NORTH OF ISLAND 1916 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 118.TIF AROUND THE ISLAND 1916 4 11 -1 -1 FD -1 -1 -1 -1 -1 -1 118.TIF NORTH & EASTWARD 1916 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 119.TIF 1917 3 27 -1 -1 FD -1 -1 -1 -1 -1 -1 123.TIF 1917 4 3 -1 -1 DI -1 -1 -1 -1 -1 -1 124.TIF CHANNEL OFF ISLAND 1917 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 126.TIF CHANNEL 1917 4 17 -1 -1 FD -1 -1 -1 -1 -1 -1 126.TIF TO THE SOUTHWEST 1917 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 127.TIF CHANNEL 1918 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 129.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 WESTWARD 1918 4 9 -1 -1 FD -1 -1 -1 -1 -1 -1 133.TIF 1919 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 136.TIF 1920 3 23 -1 -1 IP -1 -1 -1 -1 -1 -1 142.TIF 1920 3 30 -1 -1 FD -1 -1 -1 -1 -1 -1 143.TIF 1920 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 144.TIF 1920 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 145.TIF 1922 3 28 -1 -1 IP -1 -1 -1 -1 -1 -1 152.TIF TO THE STRAITS 1922 3 28 -1 -1 BK -1 -1 -1 -1 -1 -1 152.TIF TO NORTHPORT 1922 4 4 -1 -1 LF -1 -1 BK -1 -1 -1 -1 153.TIF 1923 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 155.TIF 1923 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 155.TIF CHANNEL TO N. MANITOU ISLAND 1925 3 24 -1 -1 HF -1 -1 DI -1 -1 -1 -1 172.TIF NORTHWARD 1926 3 2 -1 -1 IP -1 -1 -1 -1 -1 -1 176.TIF 1926 3 9 -1 -1 SO -1 -1 WI -1 -1 -1 -1 177.TIF NORTHWARD TO THE STRAITS 1926 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 181.TIF SOUTHWARD 1933 3 21 -1 -1 FD -1 -1 -1 -1 -1 -1 222.TIF NORTH & WEST 1934 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 228.TIF LAKE 1934 4 10 -1 -1 HF -1 -1 -1 -1 -1 -1 233.TIF 1935 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 238.TIF 1935 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 239.TIF 1935 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 240.TIF 1936 3 17 -1 -1 HF -1 -1 WI -1 -1 -1 -1 245.TIF NORTHWARD 1937 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 255.TIF 1937 4 5 -1 -1 HF -1 -1 -1 -1 -1 -1 258.TIF NORTHWARD 1937 4 5 -1 -1 IP -1 -1 -1 -1 -1 -1 258.TIF NORTHWARD: TO 3 TO 5Mi OUT 1939 4 3 -1 -1 HF -1 -1 -1 -1 -1 -1 272.TIF TO MAINLAND & NORTHWARD 1940 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 278.TIF 1943 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 298.TIF 1944 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 310.TIF 1944 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 313.TIF 1947 3 24 -1 -1 LI -1 -1 -1 -1 -1 -1 329.TIF SOUTHWARD 1949 3 7 -1 -1 LI -1 -1 -1 -1 -1 -1 341.TIF 1950 2 27 -1 -1 HF -1 -1 DI -1 -1 -1 -1 349.TIF NORTHWARD 1950 3 6 -1 -1 HF -1 -1 -1 -1 -1 -1 350.TIF 1951 2 26 -1 -1 IP -1 -1 -1 -1 -1 -1 359.TIF TO MANISTIQUE 1954 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 381.TIF TO MAINLAND 1955 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 389.TIF 1955 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 393.TIF 1955 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 395.TIF 1957 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 409.TIF 1957 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 411.TIF TO CRIB 1957 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 414.TIF 1963 4 1 -1 -1 SW -1 -1 -1 -1 -1 -1 461.TIF NW OF ISLAND 1967 3 27 -1 -1 PI -1 -1 -1 -1 -1 -1 493.TIF E OF ISLAND ---------------------------------------------------------------------------------------------------------- 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.