GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 040, Approximate Location: 46.86 N. Latitude, 88.42 W. Longitude Site Name Keweenaw Bay on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1904 4 26 -1 -1 RT -1 -1 -1 -1 -1 -1 037.TIF 1904 5 3 -1 -1 DC -1 -1 -1 -1 -1 -1 038.TIF 1905 3 21 18 -1 -1 -1 -1 -1 -1 -1 041.TIF 1905 3 28 6 -1 SL -1 -1 -1 -1 -1 -1 042.TIF 1905 4 4 3 5 SI -1 -1 -1 -1 -1 -1 043.TIF 1906 3 13 -1 -1 IP -1 -1 -1 -1 -1 -1 046.TIF 1906 3 20 8 10 -1 -1 -1 -1 -1 -1 047.TIF 1911 3 28 -1 -1 DI -1 -1 -1 -1 -1 -1 080.TIF NORTH OF PEQUAMING 1911 3 28 10 -1 RT -1 -1 -1 -1 -1 -1 080.TIF SOUTH OF PEQUAMING 1912 3 5 12 20 -1 -1 -1 -1 -1 -1 082.TIF 1912 3 12 16 18 -1 -1 -1 -1 -1 -1 083.TIF 1912 3 19 19 20 -1 -1 -1 -1 -1 -1 084.TIF PORTAGE ENTRY: TO 3MI OUT 1912 3 26 -1 -1 NC -1 -1 -1 -1 -1 -1 085.TIF 1912 4 9 -1 -1 RT -1 -1 -1 -1 -1 -1 087.TIF 1912 4 23 -1 -1 RT -1 -1 -1 -1 -1 -1 089.TIF 1913 3 4 -1 -1 IP -1 -1 -1 -1 -1 -1 090.TIF 1913 3 11 9 -1 SO -1 -1 -1 -1 -1 -1 091.TIF 1913 3 18 9 -1 SO -1 -1 NC -1 -1 -1 -1 092.TIF 1913 3 25 9 10 -1 -1 -1 -1 -1 -1 093.TIF 1913 4 1 12 -1 SO -1 -1 -1 -1 -1 -1 094.TIF NEAR TRAVERSE ISLAND 1913 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 094.TIF BEYOND TRAVERSE ISLAND 1913 4 8 8 12 SL 6 -1 -1 -1 -1 -1 095.TIF 1913 4 15 10 -1 -1 -1 -1 -1 -1 -1 096.TIF 1913 4 22 -1 -1 SO -1 -1 -1 -1 -1 -1 097.TIF 1914 3 24 14 -1 -1 -1 -1 -1 -1 -1 101.TIF 1914 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 101.TIF 6Mi NORTHEAST OF JACOBSVILLE 1914 3 31 -1 -1 NC -1 -1 -1 -1 -1 -1 102.TIF 1914 4 7 14 -1 RT -1 -1 -1 -1 -1 -1 103.TIF 1914 4 14 -1 -1 BK -1 -1 -1 -1 -1 -1 104.TIF 1914 4 21 -1 -1 DI -1 -1 -1 -1 -1 -1 105.TIF 1915 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 106.TIF PORTAGE ENTRY: TO TRAVERSE BAY 1915 3 9 -1 -1 BK -1 -1 DI -1 -1 -1 -1 106.TIF N OF TRAVERSE BAY 1915 3 16 -1 -1 RT -1 -1 -1 -1 -1 -1 107.TIF 1915 3 23 12 14 RT -1 -1 -1 -1 -1 -1 108.TIF 1915 3 30 -1 -1 SW -1 -1 -1 -1 -1 -1 109.TIF NEAR RABBIT ISLAND 1915 3 31 6 12 -1 -1 -1 -1 -1 -1 109.TIF 1915 4 6 -1 -1 RT -1 -1 -1 -1 -1 -1 110.TIF 1915 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 110.TIF PORTAGE ENTRY: TO JACOBSVILLE 1915 4 13 -1 -1 RT -1 -1 NS -1 -1 -1 -1 111.TIF 1916 3 21 -1 -1 HF -1 -1 -1 -1 -1 -1 115.TIF JACOBSVILLE 1916 4 4 -1 -1 CL -1 -1 -1 -1 -1 -1 117.TIF 1916 4 11 2 9 RT -1 -1 -1 -1 -1 -1 118.TIF 1916 4 18 -1 -1 CL -1 -1 -1 -1 -1 -1 119.TIF 1917 3 20 -1 -1 IP -1 -1 -1 -1 -1 -1 122.TIF 1917 3 27 -1 -1 IP -1 -1 -1 -1 -1 -1 123.TIF 1917 4 3 34 -1 SO -1 -1 -1 -1 -1 -1 124.TIF 1917 4 10 18 -1 -1 -1 -1 -1 -1 -1 125.TIF 1917 4 17 -1 -1 RT -1 -1 SW -1 -1 -1 -1 126.TIF 1917 4 24 -1 -1 FD -1 -1 DC -1 -1 -1 -1 127.TIF 1918 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 128.TIF JACOBSVILLE 1918 3 19 -1 -1 IP -1 -1 NC -1 -1 -1 -1 130.TIF 1918 3 26 -1 -1 RT -1 -1 -1 -1 -1 -1 131.TIF 1918 4 2 20 -1 -1 -1 -1 -1 -1 -1 132.TIF 1918 4 9 -1 -1 FD -1 -1 DI -1 -1 -1 -1 133.TIF 1918 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 134.TIF 1919 3 4 -1 -1 LF -1 -1 BK -1 -1 -1 -1 136.TIF 1919 3 11 -1 -1 OW -1 -1 BV -1 -1 -1 -1 137.TIF JACOBSVILLE 1919 3 18 -1 -1 OW -1 -1 BV -1 -1 -1 -1 138.TIF JACOBSVILLE 1919 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 139.TIF 1920 3 16 18 -1 SO -1 -1 -1 -1 -1 -1 141.TIF 1920 3 23 14 -1 -1 -1 -1 -1 -1 -1 142.TIF 1920 3 30 -1 -1 RT -1 -1 -1 -1 -1 -1 143.TIF 1920 4 6 -1 -1 BK -1 -1 WI -1 -1 -1 -1 144.TIF 1920 4 12 -1 -1 NI -1 -1 DI -1 -1 -1 -1 145.TIF 1922 3 14 -1 -1 BK -1 -1 -1 -1 -1 -1 150.TIF 1922 3 21 -1 -1 IP -1 -1 -1 -1 -1 -1 151.TIF 1922 3 28 -1 -1 BK -1 -1 -1 -1 -1 -1 152.TIF 1922 4 4 -1 -1 DI -1 -1 -1 -1 -1 -1 153.TIF 1922 4 11 -1 -1 DI -1 -1 -1 -1 -1 -1 154.TIF 1923 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 155.TIF EASTWARD: TO BEYOND MARQUETTE 1923 3 13 -1 -1 LI -1 -1 -1 -1 -1 -1 156.TIF EASTWARD: TO BEYOND MARQUETTE 1923 4 17 -1 -1 SO -1 -1 -1 -1 -1 -1 161.TIF 1924 4 21 -1 -1 BK -1 -1 DI -1 -1 -1 -1 170.TIF 1925 3 31 -1 -1 RT -1 -1 -1 -1 -1 -1 173.TIF 1925 4 7 -1 -1 SO -1 -1 -1 -1 -1 -1 174.TIF 1926 4 13 -1 -1 SO -1 -1 -1 -1 -1 -1 182.TIF 1926 4 27 -1 -1 RT -1 -1 -1 -1 -1 -1 184.TIF 1927 4 5 -1 -1 RT -1 -1 -1 -1 -1 -1 189.TIF 1935 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 243.TIF 1939 4 17 6 27 SO -1 -1 -1 -1 -1 -1 274.TIF 1939 4 24 8 12 IP -1 -1 BV -1 -1 -1 -1 275.TIF 1939 5 1 6 18 -1 -1 -1 -1 -1 -1 276.TIF 1940 3 11 5 -1 IP -1 -1 BV -1 -1 -1 -1 278.TIF LAKE 1941 3 10 -1 -1 IP -1 -1 -1 -1 -1 -1 286.TIF TO 9Mi OUT 1941 3 17 6 -1 -1 -1 -1 -1 -1 -1 287.TIF TO 3Mi OUT FROM JACOBSVILLE 1941 3 17 -1 -1 FD -1 -1 DI -1 -1 -1 -1 287.TIF BEYOND 3Mi OUT FROM JACOBSVILL 1942 4 6 -1 -1 DI -1 -1 -1 -1 -1 -1 296.TIF AS FAR AS FORD PLANT 1943 4 12 16 18 RT -1 -1 SW -1 -1 -1 -1 304.TIF 1943 5 3 -1 -1 OW -1 -1 -1 -1 -1 -1 307.TIF 1944 3 13 5 6 -1 -1 -1 -1 -1 -1 309.TIF 1944 3 20 2 6 BK -1 -1 -1 -1 -1 -1 310.TIF 1944 3 27 8 14 SO -1 -1 -1 -1 -1 -1 311.TIF 1944 4 3 -1 -1 NI -1 -1 -1 -1 -1 -1 312.TIF 1944 4 10 10 -1 BK -1 -1 -1 -1 -1 -1 313.TIF 1944 4 10 -1 -1 FD -1 -1 DI -1 -1 -1 -1 313.TIF OUTSIDE THE BAY 1944 4 17 8 10 FD -1 -1 DI -1 -1 -1 -1 314.TIF 1945 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 317.TIF 1946 3 4 6 7 -1 -1 -1 -1 -1 -1 318.TIF TO 3Mi OUT 1946 3 4 -1 -1 IP -1 -1 BV -1 -1 -1 -1 318.TIF OUTSIDE THE BAY 1946 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 319.TIF PEQUAMING POINT TO VILLAGE 1946 3 25 2 8 RT -1 -1 -1 -1 -1 -1 321.TIF TO PEQUAMING POINT 1946 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 321.TIF LOWER CANAL ENTRANCE 1946 3 25 -1 -1 RT -1 -1 -1 -1 -1 -1 321.TIF TO UPPER ENTRANCE BW 1946 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 321.TIF BEYOND UPPER ENTRANCE BW 1948 3 15 -1 -1 WI -1 -1 -1 -1 -1 -1 336.TIF 1948 3 22 -1 -1 WI 72 96 -1 -1 -1 -1 337.TIF 1948 3 29 -1 -1 LF -1 -1 -1 -1 -1 -1 338.TIF TO WHITEFISH BAY 1948 3 29 -1 -1 RT -1 -1 WI 24 72 -1 -1 338.TIF 1948 4 5 -1 -1 WI 12 48 SW -1 -1 -1 -1 339.TIF 1948 4 12 -1 -1 FD -1 -1 -1 -1 -1 -1 340.TIF 1949 3 21 -1 -1 LI -1 -1 LF -1 -1 -1 -1 345.TIF LOWER ENTRANCE 1950 2 16 4 -1 -1 -1 -1 -1 -1 -1 348.TIF TO POINT ABBAYE 1950 2 27 -1 -1 IP -1 -1 -1 -1 -1 -1 349.TIF 1950 3 6 -1 -1 IP -1 -1 BV -1 -1 -1 -1 350.TIF 1950 4 10 -1 -1 SO -1 -1 BV -1 -1 -1 -1 355.TIF 1950 4 17 -1 -1 SO -1 -1 BV -1 -1 -1 -1 356.TIF 1950 5 1 -1 -1 IP -1 -1 -1 -1 -1 -1 358.TIF EASTWARD 1951 2 26 -1 -1 SO -1 -1 SW -1 -1 -1 -1 359.TIF TO GRAND MARAIS, MI 1951 2 26 6 8 -1 -1 -1 -1 -1 -1 359.TIF TO HURON & TRAVERSE ISLANDS 1951 3 5 -1 -1 HF -1 -1 -1 -1 -1 -1 360.TIF TO GRAND MARAIS, MI 1951 3 19 -1 -1 FD -1 -1 PI -1 -1 -1 -1 362.TIF TO WHITEFISH POINT 1951 3 19 6 -1 SC 12 -1 WT -1 -1 -1 -1 362.TIF 1951 3 26 -1 -1 SO -1 -1 PI -1 -1 -1 -1 363.TIF TO WHITEFISH POINT 1951 4 2 10 -1 -1 -1 -1 -1 -1 -1 364.TIF TO HURON ISLAND 1952 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 370.TIF 1952 4 7 -1 -1 DI -1 -1 -1 -1 -1 -1 373.TIF 1952 4 14 -1 -1 SI -1 -1 -1 -1 -1 -1 374.TIF 1953 3 2 -1 -1 BK -1 -1 -1 -1 -1 -1 528.TIF 1953 3 2 -1 -1 LI -1 -1 LF -1 -1 -1 -1 528.TIF 1953 3 16 -1 -1 LI -1 -1 LF -1 -1 -1 -1 378.TIF 1953 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 380.TIF 1954 3 1 -1 -1 LI -1 -1 -1 -1 -1 -1 381.TIF 1954 3 15 -1 -1 DI -1 -1 -1 -1 -1 -1 383.TIF 95% OF BAY 1954 3 15 -1 -1 SW -1 -1 -1 -1 -1 -1 383.TIF CANAL ENTRANCE 1954 3 22 -1 -1 LI -1 -1 DI -1 -1 -1 -1 384.TIF 1954 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 386.TIF 1954 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 387.TIF 1955 2 28 -1 -1 FD -1 -1 BV -1 -1 -1 -1 389.TIF 1955 3 7 12 15 FD -1 -1 -1 -1 -1 -1 391.TIF 1955 3 14 -1 -1 FD -1 -1 DI -1 -1 -1 -1 393.TIF 1955 3 21 14 18 FD -1 -1 -1 -1 -1 -1 394.TIF 1955 3 28 15 20 FD -1 -1 -1 -1 -1 -1 395.TIF 1955 4 11 -1 -1 LI -1 -1 -1 -1 -1 -1 396.TIF 1956 2 27 -1 -1 SM -1 -1 SW -1 -1 -1 -1 397.TIF 1956 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 399.TIF 1956 3 26 -1 -1 FD -1 -1 SW -1 -1 BV -1 -1 403.TIF 1956 4 2 -1 -1 LI -1 -1 -1 -1 -1 -1 404.TIF EXCEPT ALONG SOUTH SHORE 1956 4 2 6 15 -1 -1 -1 -1 -1 -1 404.TIF SOUTH SHORE 1956 4 9 -1 -1 LF -1 -1 DI -1 -1 WI -1 -1 405.TIF 1956 4 16 -1 -1 LF -1 -1 DI -1 -1 -1 -1 406.TIF 1957 2 25 4 8 -1 -1 -1 -1 -1 -1 407.TIF 1957 4 1 -1 -1 DI -1 -1 -1 -1 -1 -1 414.TIF 1958 3 10 -1 -1 SO -1 -1 SM -1 -1 BV -1 -1 418.TIF 1958 3 24 -1 -1 FD -1 -1 -1 -1 -1 -1 420.TIF S SHORE: TO GRAND MARAIS, MI 1958 3 31 -1 -1 FD -1 -1 FS -1 -1 -1 -1 421.TIF 1958 4 7 12 14 SO -1 -1 BV -1 -1 -1 -1 422.TIF 1958 4 14 8 10 RT -1 -1 -1 -1 -1 -1 423.TIF 1958 4 14 -1 -1 PN -1 -1 -1 -1 -1 -1 423.TIF SHIPPING LANE 1959 3 2 11 13 SO -1 -1 CL -1 -1 -1 -1 424.TIF 1959 3 2 -1 -1 SW -1 -1 -1 -1 -1 -1 424.TIF TRAVERSE ISLAND TO PT. ABBAYE 1959 3 9 14 -1 SO -1 -1 -1 -1 -1 -1 425.TIF 1959 3 9 -1 -1 SW -1 -1 -1 -1 -1 -1 425.TIF TRAVERSE ISLAND TO PT. ABBAYE 1959 3 16 16 -1 SO -1 -1 -1 -1 -1 -1 426.TIF 1959 3 16 -1 -1 SW -1 -1 -1 -1 -1 -1 426.TIF TRAVERSE ISLAND TO PT. ABBAYE 1959 3 23 16 -1 SO -1 -1 -1 -1 -1 -1 427.TIF 1959 3 23 -1 -1 DI -1 -1 SW -1 -1 -1 -1 427.TIF TRAVERSE ISLAND TO PT. ABBAYE 1959 3 30 17 -1 IP -1 -1 BV -1 -1 -1 -1 429.TIF 1959 3 30 -1 -1 SW -1 -1 -1 -1 -1 -1 429.TIF NEAR PT. ABBAYE 1959 4 6 6 -1 FD -1 -1 DI -1 -1 RT -1 -1 430.TIF 1959 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 431.TIF TO WATERWAY ENTRANCE & E SIDE 1959 4 20 -1 -1 LI -1 -1 DI -1 -1 -1 -1 432.TIF 1960 2 19 -1 -1 OW -1 -1 -1 -1 -1 -1 523.TIF EXCEPT ALONG SHORE 1960 2 29 5 -1 IP -1 -1 BV -1 -1 -1 -1 522.TIF 1960 3 7 8 -1 SO -1 -1 BV -1 -1 -1 -1 434.TIF 1960 3 14 14 -1 -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 15 -1 SO -1 -1 BV -1 -1 -1 -1 436.TIF 1960 3 28 15 -1 SO -1 -1 SW -1 -1 -1 -1 437.TIF 1960 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 437.TIF BEYOND POINT ABBAYE 1960 4 4 -1 -1 FD -1 -1 FS -1 -1 SI -1 -1 438.TIF LOWER ENTRANCE TO PT. ABBAYE 1960 4 4 -1 -1 FD -1 -1 DI -1 -1 -1 -1 438.TIF TO BEYOND TRAVERSE ISLAND 1961 4 3 -1 -1 IP -1 -1 -1 -1 -1 -1 445.TIF ALONG SHORE 1961 4 3 -1 -1 LI -1 -1 -1 -1 -1 -1 445.TIF TRAVERSE PT. TO STANNARD ROCK 1962 2 26 -1 -1 FS -1 -1 CL -1 -1 BV -1 -1 447.TIF FROM ENTRANCE 1962 3 5 12 18 FS -1 -1 CL -1 -1 BV -1 -1 448.TIF 1962 3 12 12 20 FS -1 -1 CL -1 -1 BV -1 -1 449.TIF 1962 3 19 12 20 FS -1 -1 -1 -1 -1 -1 450.TIF 1962 3 26 -1 -1 FS -1 -1 -1 -1 -1 -1 451.TIF 1962 4 2 -1 -1 FS -1 -1 RT -1 -1 -1 -1 452.TIF 1962 4 9 12 -1 FS -1 -1 SI -1 -1 BV -1 -1 453.TIF 1963 2 25 24 -1 SO -1 -1 -1 -1 -1 -1 456.TIF 1963 3 4 26 -1 SC 8 12 -1 -1 -1 -1 457.TIF 1963 3 11 26 -1 SO -1 -1 -1 -1 -1 -1 458.TIF 1963 3 18 25 26 -1 -1 -1 -1 -1 -1 459.TIF 1963 3 25 26 -1 -1 -1 -1 -1 -1 -1 460.TIF 1963 4 1 26 -1 RT -1 -1 -1 -1 -1 -1 461.TIF 1963 4 8 -1 -1 CL 4 -1 RT 8 10 -1 -1 462.TIF 1963 4 22 -1 -1 OW -1 -1 -1 -1 -1 -1 464.TIF 1964 2 24 -1 -1 FD -1 -1 -1 -1 -1 -1 465.TIF (60% ICE COVER) 1965 3 22 18 -1 FS -1 -1 CL -1 -1 BV -1 -1 477.TIF 1965 3 29 18 -1 FS -1 -1 SC -1 -1 -1 -1 478.TIF 1965 4 5 18 -1 SL -1 -1 SC 4 6 -1 -1 479.TIF 1965 4 19 -1 -1 RT -1 -1 -1 -1 -1 -1 481.TIF 1965 4 26 -1 -1 IP -1 -1 -1 -1 -1 -1 482.TIF 1966 3 14 -1 -1 LI -1 -1 DI -1 -1 -1 -1 485.TIF 1967 2 27 -1 -1 FS -1 -1 -1 -1 -1 -1 489.TIF 1967 3 6 -1 -1 FS -1 -1 SC -1 -1 -1 -1 490.TIF 1967 3 13 -1 -1 FS -1 -1 -1 -1 -1 -1 491.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.