GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 138, Approximate Location: 45.66 N. Latitude, 84.43 W. Longitude Site Name Cheboygan on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1899 4 17 -1 -1 NC -1 -1 RF -1 -1 -1 -1 001.TIF 1900 3 9 -1 -1 OW -1 -1 BV -1 -1 -1 -1 005.TIF LAKE: FROM LIGHTHOUSE POINT 1900 4 3 -1 -1 HF -1 -1 RT -1 -1 -1 -1 008.TIF TO BEAVER ISLAND 1900 4 10 -1 -1 RT -1 -1 -1 -1 -1 -1 009.TIF 1901 3 19 12 -1 -1 -1 -1 -1 -1 -1 013.TIF STRAITS: OFF THE HARBOR 1901 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 013.TIF RIVER 1901 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 015.TIF OUT FROM LIGHTHOUSE POINT 1906 3 20 12 -1 -1 -1 -1 -1 -1 -1 047.TIF OUTSIDE OF HARBOR 1907 3 19 12 -1 RT -1 -1 -1 -1 -1 -1 053.TIF STRAITS 1908 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 057.TIF LAKE: TO POES REEF 1908 3 10 -1 -1 FD -1 -1 -1 -1 -1 -1 058.TIF LAKE 1908 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 059.TIF SOUTH OF POES REEF 1908 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 060.TIF SOUTH OF POES REEF 1908 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 524.TIF SOUTH OF POES REEF 1908 4 7 -1 -1 RT -1 -1 -1 -1 -1 -1 061.TIF 1908 4 14 -1 -1 RT -1 -1 BK -1 -1 -1 -1 062.TIF 1908 4 14 -1 -1 IP -1 -1 -1 -1 -1 -1 062.TIF STRAITS: SOUTH SIDE OF CHANNEL 1909 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 064.TIF SOUTH OF CHEBOYGAN POINT LIGHT 1909 3 16 -1 -1 IP -1 -1 -1 -1 -1 -1 066.TIF STRAITS: TO 4Mi OUT 1909 3 23 -1 -1 FD -1 -1 NC -1 -1 -1 -1 067.TIF LAKE 1909 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 068.TIF SOUTH FROM LIGHTHOUSE POINT 1909 3 30 -1 -1 RT -1 -1 -1 -1 -1 -1 068.TIF STRAITS 1909 4 6 -1 -1 RT -1 -1 -1 -1 -1 -1 069.TIF STRAITS 1909 4 13 -1 -1 BK -1 -1 DI -1 -1 -1 -1 070.TIF STRAITS 1910 3 1 10 20 -1 -1 -1 -1 -1 -1 071.TIF STRAITS 1910 3 8 10 20 SO -1 -1 -1 -1 -1 -1 072.TIF 1910 3 15 10 20 SO -1 -1 -1 -1 -1 -1 073.TIF STRAITS 1910 3 22 -1 -1 RT -1 -1 -1 -1 -1 -1 074.TIF STRAITS 1910 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 075.TIF STRAITS 1910 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 076.TIF 1911 3 7 6 14 -1 -1 -1 -1 -1 -1 077.TIF STRAITS 1911 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 077.TIF SOUTH OF POE REEF 1911 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 078.TIF SOUTH OF POE REEF 1911 3 21 -1 -1 LI -1 -1 -1 -1 -1 -1 079.TIF TO TAWAS POINT 1911 4 4 -1 -1 IP -1 -1 NC -1 -1 -1 -1 081.TIF 1912 3 5 16 25 SO -1 -1 -1 -1 -1 -1 082.TIF STRAITS 1912 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 082.TIF BELOW 2Mi SOUTH OF POES REEF 1912 3 12 16 25 SO -1 -1 -1 -1 -1 -1 083.TIF TO 2Mi SOUTH FROM POES REEF 1912 3 19 -1 -1 NC -1 -1 -1 -1 -1 -1 084.TIF 1912 3 26 -1 -1 NC -1 -1 -1 -1 -1 -1 085.TIF 1912 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 086.TIF POES REEF SOUTH 1912 4 9 -1 -1 NC -1 -1 -1 -1 -1 -1 087.TIF 1912 4 16 -1 -1 DI -1 -1 -1 -1 -1 -1 088.TIF STRAITS 1912 4 23 -1 -1 OW -1 -1 -1 -1 -1 -1 089.TIF STRAITS 1913 3 4 8 16 SO -1 -1 -1 -1 -1 -1 090.TIF STRAITS 1913 3 11 -1 -1 NC -1 -1 -1 -1 -1 -1 091.TIF 1913 3 18 -1 -1 IP -1 -1 NC -1 -1 -1 -1 092.TIF FROM POES REEF SOUTH 1913 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 093.TIF SOUTH OF CHEBOYGAN POINT 1913 4 1 -1 -1 RT -1 -1 -1 -1 -1 -1 094.TIF STRAITS 1913 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 094.TIF SOUTH FROM LIGHTHOUSE POINT 1913 4 8 -1 -1 BK -1 -1 -1 -1 -1 -1 095.TIF TO POINT AUX PINS 1913 4 16 -1 -1 BK -1 -1 -1 -1 -1 -1 096.TIF 1913 4 22 -1 -1 BK -1 -1 RT -1 -1 -1 -1 097.TIF 1914 3 3 -1 -1 IP -1 -1 -1 -1 -1 -1 098.TIF TO FOOT OF BOIS BLANC ISLAND 1914 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 098.TIF SOUTH OF POES REEF 1914 3 17 -1 -1 NC -1 -1 -1 -1 -1 -1 100.TIF STRAITS 1914 3 24 8 -1 -1 -1 -1 -1 -1 -1 101.TIF STRAITS 1914 3 24 -1 -1 BK -1 -1 -1 -1 -1 -1 101.TIF LT. HOUSE PT. TO PT. AUX PINS 1914 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 101.TIF LAKE 1914 3 31 -1 -1 BK -1 -1 RT -1 -1 -1 -1 102.TIF STRAITS 1914 4 7 -1 -1 RT -1 -1 -1 -1 -1 -1 103.TIF STRAITS 1914 4 14 -1 -1 LI -1 -1 -1 -1 -1 -1 104.TIF EASTERN END OF STRAITS 1915 3 9 12 16 -1 -1 -1 -1 -1 -1 106.TIF STRAITS 1915 3 16 -1 -1 NC -1 -1 -1 -1 -1 -1 107.TIF STRAITS 1915 3 16 -1 -1 DI -1 -1 -1 -1 -1 -1 107.TIF TO THE EAST 1915 3 30 -1 -1 FD -1 -1 -1 -1 -1 -1 109.TIF POINT LIGHT TO POINT AUX PINS 1915 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 109.TIF LAKE 1915 4 13 -1 -1 FD -1 -1 LI -1 -1 -1 -1 111.TIF STRAITS 1916 3 7 14 18 -1 -1 -1 -1 -1 -1 113.TIF STRAITS 1916 3 14 -1 -1 NC -1 -1 -1 -1 -1 -1 114.TIF STRAITS 1916 3 21 18 20 SC 12 18 -1 -1 -1 -1 115.TIF STRAITS 1916 3 28 -1 -1 NC -1 -1 -1 -1 -1 -1 116.TIF STRAITS 1916 4 4 14 -1 RT -1 -1 -1 -1 -1 -1 117.TIF STRAITS 1916 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 117.TIF OUTSIDE OF POES REEF 1916 4 11 -1 -1 NC -1 -1 -1 -1 -1 -1 118.TIF STRAITS 1916 4 11 -1 -1 BK -1 -1 -1 -1 -1 -1 118.TIF BELOW THE LIGHTHOUSE 1916 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 118.TIF LOWER END OF BOIS BLANC ISLAND 1916 4 18 -1 -1 DI -1 -1 -1 -1 -1 -1 119.TIF STRAITS 1917 3 6 20 36 -1 -1 -1 -1 -1 -1 120.TIF STRAITS: TO CORDWOOD POINT 1917 3 6 -1 -1 DI -1 -1 -1 -1 -1 -1 120.TIF EASTWARD 1917 3 13 -1 -1 NC -1 -1 -1 -1 -1 -1 121.TIF 1917 3 20 -1 -1 NC -1 -1 SC -1 -1 -1 -1 122.TIF 1917 3 27 -1 -1 WT -1 -1 -1 -1 -1 -1 123.TIF 1917 4 3 -1 -1 RT -1 -1 -1 -1 -1 -1 124.TIF 1917 4 10 -1 -1 BK -1 -1 RT -1 -1 -1 -1 125.TIF TO POINT AUX PINS 1917 4 10 -1 -1 FD -1 -1 -1 -1 -1 -1 125.TIF BELOW THE LIGHTHOUSE 1917 4 17 -1 -1 IP -1 -1 BK -1 -1 -1 -1 126.TIF TO POINT AUX PINS 1917 4 24 -1 -1 DI -1 -1 LI -1 -1 -1 -1 127.TIF STRAITS 1918 3 5 10 24 SC 6 30 WT -1 -1 -1 -1 128.TIF STRAITS 1918 3 12 10 24 -1 -1 -1 -1 -1 -1 129.TIF LAKE 1918 3 19 -1 -1 FD -1 -1 NC -1 -1 -1 -1 130.TIF 1918 3 26 -1 -1 RT -1 -1 -1 -1 -1 -1 131.TIF STRAITS 1918 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 131.TIF TO LOWER BOIS BLANC ISLAND 1918 4 2 -1 -1 RT -1 -1 -1 -1 -1 -1 132.TIF 1918 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 133.TIF STRAITS 1918 4 16 -1 -1 IP -1 -1 -1 -1 -1 -1 134.TIF STRAITS 1918 4 23 -1 -1 OW -1 -1 -1 -1 -1 -1 135.TIF STRAITS 1920 3 23 -1 -1 NC -1 -1 -1 -1 -1 -1 142.TIF STRAITS 1920 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 143.TIF RIVER: TO DUMMY LIGHT 1920 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 144.TIF STRAITS 1920 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 145.TIF EASTERN END OF STRAITS 1921 3 8 -1 -1 IP -1 -1 -1 -1 -1 -1 146.TIF STRAITS 1926 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 177.TIF 1926 4 6 -1 -1 SW -1 -1 -1 -1 -1 -1 181.TIF 10Mi NORTHEAST 1926 4 13 -1 -1 NC -1 -1 -1 -1 -1 -1 182.TIF 1926 4 20 -1 -1 NC -1 -1 -1 -1 -1 -1 183.TIF 1927 3 22 -1 -1 RT -1 -1 -1 -1 -1 -1 187.TIF 1927 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 189.TIF 1928 3 13 -1 -1 FD -1 -1 BV -1 -1 -1 -1 191.TIF 1929 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 198.TIF GRASS BAY TO POINT AUX PINS 1929 3 19 -1 -1 FD -1 -1 -1 -1 -1 -1 198.TIF LAKE 1930 4 1 -1 -1 FD -1 -1 BV -1 -1 -1 -1 206.TIF LAKE 1930 4 8 -1 -1 FD -1 -1 -1 -1 -1 -1 207.TIF LAKE 1931 3 17 8 -1 IR -1 -1 -1 -1 -1 -1 211.TIF NIPIGON POINT TO POINT AUX PIN 1931 3 24 -1 -1 NC -1 -1 -1 -1 -1 -1 212.TIF 1932 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 215.TIF 1932 3 15 -1 -1 FD -1 -1 BV -1 -1 -1 -1 216.TIF WALKERS POINT WEST 1932 3 22 -1 -1 NC -1 -1 -1 -1 -1 -1 217.TIF 1932 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 218.TIF LAKE 1932 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 219.TIF 1944 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 309.TIF TO 3Mi WEST IN SOUTH CHANNEL 1944 3 20 -1 -1 SW -1 -1 -1 -1 -1 -1 310.TIF BEYOND 3Mi WEST 1944 3 27 -1 -1 SW -1 -1 -1 -1 -1 -1 311.TIF S. CHANNEL: BEYOND 4Mi WESTWAR 1945 3 19 -1 -1 OW -1 -1 BV -1 -1 -1 -1 315.TIF FROM 4Mi WEST: TO L. HURON 1946 3 11 -1 -1 BK -1 -1 -1 -1 -1 -1 319.TIF STRAITS 1946 3 18 -1 -1 SO -1 -1 BV -1 -1 -1 -1 320.TIF WEST VIA NORTH ABOUT PASSAGE 1947 3 17 -1 -1 IP -1 -1 BV -1 -1 -1 -1 328.TIF INTO LAKE HURON 1947 3 17 -1 -1 SO -1 -1 WI -1 -1 BV -1 -1 328.TIF WESTWARD INTO LAKE MICHIGAN 1947 3 24 -1 -1 OW -1 -1 BV -1 -1 -1 -1 329.TIF 1Mi W OF RIVER INTO LAKE HURON 1948 4 5 -1 -1 IP -1 -1 -1 -1 -1 -1 339.TIF SOUTH CHANNEL 1949 3 7 -1 -1 SO -1 -1 BV -1 -1 -1 -1 341.TIF WESTWARD 1950 3 20 -1 -1 SO -1 -1 BV -1 -1 SW -1 -1 352.TIF FROM 5Mi SOUTH 1950 4 3 -1 -1 OW -1 -1 BV -1 -1 LF -1 -1 354.TIF EASTWARD 1950 4 3 -1 -1 SO -1 -1 BV -1 -1 -1 -1 354.TIF WESTWARD 1950 4 10 -1 -1 SO -1 -1 BV -1 -1 -1 -1 355.TIF BEYOND 2Mi WESTWARD 1951 3 26 -1 -1 NI -1 -1 DI -1 -1 -1 -1 363.TIF EAST OF RIVER MOUTH 1954 4 12 -1 -1 LF -1 -1 DI -1 -1 -1 -1 387.TIF OFF RIVER MOUTH 1955 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 394.TIF INTO LAKE HURON 1956 3 26 -1 -1 OW -1 -1 BV -1 -1 -1 -1 403.TIF FROM 5Mi W OF RIVER INTO L. HU 1959 4 13 -1 -1 IP -1 -1 BV -1 -1 -1 -1 431.TIF FROM 4Mi WEST: WESTWARD 1960 2 19 30 -1 FD -1 -1 FS -1 -1 -1 -1 523.TIF CRIB: TO FOURTEEN FOOT SHOAL 1960 3 28 24 -1 -1 -1 -1 -1 -1 -1 437.TIF TO FOURTEEN FOOT SHOALS 1961 4 10 -1 -1 DI -1 -1 -1 -1 -1 -1 446.TIF TO BEYOND FOURTEEN FOOT SHOALS 1962 4 2 8 -1 RT -1 -1 BK -1 -1 -1 -1 452.TIF TO POES REEF (CUT) 1963 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 462.TIF FROM RIVER E INTO LAKE HURON 1963 4 8 -1 -1 SO -1 -1 -1 -1 -1 -1 462.TIF FROM RIVER TO 2Mi E OF BRIDGE 1963 4 8 -1 -1 BK -1 -1 -1 -1 -1 -1 462.TIF BRIDGE: TO 2Mi WEST 1965 3 22 -1 -1 DI -1 -1 BV -1 -1 -1 -1 477.TIF RIVER: INTO L. HURON 1967 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 494.TIF EASTWARD 1968 2 26 5 18 -1 -1 -1 -1 -1 -1 521.TIF 1970 2 24 -1 -1 IR -1 -1 -1 -1 -1 -1 519.TIF TO BOIS BLANC ISLAND 1970 3 17 -1 -1 SW -1 -1 -1 -1 -1 -1 512.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.