GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 270, Approximate Location: 45.11 N. Latitude, 86.02 W. Longitude Site Name North Manitou Island on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1907 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 054.TIF SOUTH OF ISLAND 1910 3 1 -1 -1 IP -1 -1 -1 -1 -1 -1 071.TIF 1910 3 8 -1 -1 FD -1 -1 -1 -1 -1 -1 072.TIF NORTH & EAST OF ISLAND 1910 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 073.TIF TO THE NORTH 1910 3 15 -1 -1 DI -1 -1 -1 -1 -1 -1 073.TIF TO THE EAST 1910 3 22 -1 -1 IP -1 -1 -1 -1 -1 -1 074.TIF TO THE EAST AND NORTH 1910 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 075.TIF 1911 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 080.TIF LAKE: SOUTHWARD 1911 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 081.TIF ALL HARBORS SOUTHWARD 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 FD -1 -1 -1 -1 -1 -1 085.TIF NORTH AND EAST 1912 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 087.TIF SOUTHWARD 1912 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 088.TIF WEST SHORE SOUTH OF ISLAND 1912 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 088.TIF EAST SHORE SOUTH OF ISLAND 1913 3 4 -1 -1 FD -1 -1 -1 -1 -1 -1 090.TIF NORTHWARD 1913 3 4 8 -1 -1 -1 -1 -1 -1 -1 090.TIF NORTH MANITOU ISLAND HARBOR 1913 3 11 -1 -1 PI -1 -1 -1 -1 -1 -1 091.TIF CHANNEL 1913 3 11 -1 -1 PI -1 -1 -1 -1 -1 -1 091.TIF NORTH MANITOU ISLAND HARBOR 1913 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 091.TIF WEST OF ISLAND 1913 3 18 16 -1 -1 -1 -1 -1 -1 -1 092.TIF NORTH MANITOU ISLAND HARBOR 1913 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 092.TIF TO 1Mi EAST OF THE ISLAND 1913 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 093.TIF 1913 4 1 -1 -1 DI -1 -1 -1 -1 -1 -1 094.TIF 1913 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 095.TIF 1913 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 096.TIF WEST AND SOUTH 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 17 -1 -1 OW -1 -1 -1 -1 -1 -1 100.TIF NORTH 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 14 -1 -1 IP -1 -1 -1 -1 -1 -1 114.TIF 1916 3 21 -1 -1 IP -1 -1 -1 -1 -1 -1 115.TIF 1916 3 21 -1 -1 DI -1 -1 -1 -1 -1 -1 115.TIF WEST OF ISLAND 1916 3 28 -1 -1 HF -1 -1 -1 -1 -1 -1 116.TIF TO THE MAINLAND 1916 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 116.TIF 4Mi TO THE NORTH 1916 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 117.TIF AROUND THE SHORE 1916 4 4 -1 -1 FD -1 -1 RT -1 -1 -1 -1 117.TIF 1916 4 11 -1 -1 IP -1 -1 -1 -1 -1 -1 118.TIF NORTH 1916 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 118.TIF EAST, SOUTH & WEST 1916 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 119.TIF 1917 3 13 -1 -1 FD -1 -1 SO -1 -1 -1 -1 121.TIF LAKE 1917 3 27 -1 -1 FD -1 -1 -1 -1 -1 -1 123.TIF 1917 4 17 -1 -1 FD -1 -1 -1 -1 -1 -1 126.TIF EASTWARD 1917 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 126.TIF NORTHWARD 1917 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 126.TIF SOUTHEAST 1918 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 129.TIF WESTWARD 1918 3 19 -1 -1 NC -1 -1 -1 -1 -1 -1 130.TIF 1918 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 131.TIF NORTHWARD 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 7 -1 -1 FD -1 -1 SO -1 -1 -1 -1 149.TIF NORTHWARD TO STRAITS 1922 3 21 -1 -1 SO -1 -1 -1 -1 -1 -1 151.TIF NORTH TO STRAITS 1922 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 153.TIF SOUTHWARD 1922 4 4 -1 -1 LF -1 -1 BK -1 -1 -1 -1 153.TIF 1923 3 6 -1 -1 HF -1 -1 -1 -1 -1 -1 155.TIF NORTHWARD TO THE STRAITS 1923 4 24 -1 -1 HF -1 -1 -1 -1 -1 -1 162.TIF NORTHWARD 1924 3 25 -1 -1 SO -1 -1 -1 -1 -1 -1 166.TIF NORTHWARD TO THE STRAITS 1924 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 167.TIF 1926 3 2 -1 -1 IP -1 -1 -1 -1 -1 -1 176.TIF 1926 4 6 -1 -1 FD -1 -1 -1 -1 -1 -1 181.TIF NORTHWARD TO THE STRAITS 1926 4 20 -1 -1 FD -1 -1 -1 -1 -1 -1 183.TIF NORTHWARD 1927 3 8 -1 -1 HF -1 -1 -1 -1 -1 -1 185.TIF NORTH TO STRAITS 1933 3 21 -1 -1 LI -1 -1 -1 -1 -1 -1 222.TIF SOUTHWARD: ALONG EAST SHORE 1934 4 10 -1 -1 HF -1 -1 -1 -1 -1 -1 233.TIF 1935 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 240.TIF 1941 3 31 -1 -1 LI -1 -1 -1 -1 -1 -1 289.TIF LAKE & HARBORS: SOUTHWARD 1943 3 15 -1 -1 SO -1 -1 -1 -1 -1 -1 300.TIF TO POINT AUX BARQUES 1944 3 27 -1 -1 HF -1 -1 -1 -1 -1 -1 311.TIF TO MANISTIQUE 1944 4 3 -1 -1 FD -1 -1 -1 -1 -1 -1 312.TIF TO MANISTIQUE 1944 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 313.TIF 1945 3 19 -1 -1 FD -1 -1 DI -1 -1 -1 -1 315.TIF 15Mi NORTH: TO MANISTIQUE 1946 3 4 -1 -1 HF -1 -1 DI -1 -1 RT -1 -1 318.TIF TO MANISTIQUE 1950 3 6 -1 -1 HF -1 -1 -1 -1 -1 -1 350.TIF 1951 3 26 -1 -1 FD -1 -1 BK -1 -1 -1 -1 363.TIF 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 4 1 -1 -1 HF -1 -1 SI -1 -1 -1 -1 414.TIF 1957 4 1 -1 -1 HF -1 -1 -1 -1 -1 -1 414.TIF TO SOUTH FOX 1959 3 23 -1 -1 FD -1 -1 FS -1 -1 WI 2 6 427.TIF 0 TO GRAND TRAVERSE 1962 3 5 -1 -1 FD -1 -1 DI -1 -1 CL -1 -1 448.TIF TO CHARLEVOIX & BEAVER 1963 2 25 -1 -1 SO -1 -1 -1 -1 -1 -1 456.TIF TO GREEN BAY: NORTHWARD 1963 3 18 6 24 FD -1 -1 DI -1 -1 -1 -1 459.TIF TO BIG SABLE POINT 1963 3 18 14 18 FD -1 -1 FS -1 -1 WI -1 -1 459.TIF TO HIGH ISLAND 1963 4 1 -1 -1 SW -1 -1 -1 -1 -1 -1 461.TIF NW OF ISLAND 1967 2 27 -1 -1 DI -1 -1 -1 -1 -1 -1 489.TIF N OF ISLAND (30% ICE COVER) 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.