GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 008, Approximate Location: 48.42 N. Latitude, 89.25 W. Longitude Site Name Port Arthur Harbor on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1910 3 1 19 -1 -1 -1 -1 -1 -1 -1 071.TIF 1910 3 8 24 -1 -1 -1 -1 -1 -1 -1 072.TIF 1910 3 15 24 36 -1 -1 -1 -1 -1 -1 073.TIF 1910 3 22 20 32 -1 -1 -1 -1 -1 -1 074.TIF 1910 3 29 -1 -1 BK -1 -1 -1 -1 -1 -1 075.TIF 1910 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 076.TIF 1911 3 21 22 -1 -1 -1 -1 -1 -1 -1 079.TIF 1911 3 28 15 -1 -1 -1 -1 -1 -1 -1 080.TIF 1911 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 080.TIF AROUND THE DOCKS 1911 4 4 15 -1 -1 -1 -1 -1 -1 -1 081.TIF 1912 3 12 34 -1 -1 -1 -1 -1 -1 -1 083.TIF 1912 3 19 34 -1 -1 -1 -1 -1 -1 -1 084.TIF 1912 3 26 34 -1 -1 -1 -1 -1 -1 -1 085.TIF 1912 4 2 34 -1 BK -1 -1 -1 -1 -1 -1 086.TIF 1912 4 9 34 -1 -1 -1 -1 -1 -1 -1 087.TIF 1912 4 16 32 -1 -1 -1 -1 -1 -1 -1 088.TIF 1912 4 23 30 -1 -1 -1 -1 -1 -1 -1 089.TIF 1913 3 11 30 -1 -1 -1 -1 -1 -1 -1 091.TIF 1913 3 18 30 -1 -1 -1 -1 -1 -1 -1 092.TIF 1913 3 25 30 -1 SC -1 -1 -1 -1 -1 -1 093.TIF 1913 4 1 22 -1 NC -1 -1 -1 -1 -1 -1 094.TIF 1913 4 8 18 -1 NC -1 -1 -1 -1 -1 -1 095.TIF 1913 4 15 18 -1 -1 -1 -1 -1 -1 -1 096.TIF 1913 4 22 -1 -1 BK -1 -1 -1 -1 -1 -1 097.TIF 1914 3 3 14 25 -1 -1 -1 -1 -1 -1 098.TIF 1914 3 17 14 25 -1 -1 -1 -1 -1 -1 100.TIF 1914 3 24 14 25 -1 -1 -1 -1 -1 -1 101.TIF 1914 3 24 -1 -1 BK -1 -1 -1 -1 -1 -1 101.TIF BW TO THE DRYDOCK 1914 3 31 14 25 SC 7 -1 -1 -1 -1 -1 102.TIF 1914 4 7 14 25 NC -1 -1 -1 -1 -1 -1 103.TIF 1914 4 14 12 22 SO -1 -1 -1 -1 -1 -1 104.TIF 1914 4 21 20 -1 BK -1 -1 -1 -1 -1 -1 105.TIF 1915 3 16 22 -1 -1 -1 -1 -1 -1 -1 107.TIF 1915 3 23 22 -1 -1 -1 -1 -1 -1 -1 108.TIF TO 14Mi OUT 1915 3 30 22 -1 RT -1 -1 -1 -1 -1 -1 109.TIF 1915 4 6 20 -1 -1 -1 -1 -1 -1 -1 110.TIF TO 12Mi OUT 1915 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 111.TIF 1916 3 14 12 22 -1 -1 -1 -1 -1 -1 114.TIF 1916 3 28 12 22 SC -1 -1 SO -1 -1 -1 -1 116.TIF TO 10Mi OUT 1916 4 4 16 18 SO -1 -1 -1 -1 -1 -1 117.TIF TO 12Mi OUT 1916 4 11 15 22 -1 -1 -1 -1 -1 -1 118.TIF 1917 3 13 41 -1 -1 -1 -1 -1 -1 -1 121.TIF 1917 3 20 30 -1 SO -1 -1 -1 -1 -1 -1 122.TIF 1917 4 17 40 -1 NC -1 -1 -1 -1 -1 -1 126.TIF 1917 4 24 40 -1 SO -1 -1 RT -1 -1 -1 -1 127.TIF 1918 3 5 28 36 SC 3 10 -1 -1 -1 -1 128.TIF TO ISLE ROYAL 1918 3 12 28 36 NC -1 -1 -1 -1 -1 -1 129.TIF 1918 3 19 32 36 -1 -1 -1 -1 -1 -1 130.TIF 1918 3 26 28 36 NC -1 -1 -1 -1 -1 -1 131.TIF 1918 4 2 30 34 RT -1 -1 -1 -1 -1 -1 132.TIF 1918 4 9 30 34 RT -1 -1 -1 -1 -1 -1 133.TIF 1918 4 16 18 28 RT -1 -1 -1 -1 -1 -1 134.TIF 1920 4 8 24 -1 -1 -1 -1 -1 -1 -1 145.TIF 1928 3 6 30 -1 -1 -1 -1 -1 -1 -1 190.TIF 1929 3 19 24 -1 RT -1 -1 -1 -1 -1 -1 198.TIF 1931 3 17 9 12 BK -1 -1 PI -1 -1 -1 -1 211.TIF TO CHIPPEWA PARK 1931 3 24 9 12 -1 -1 -1 -1 -1 -1 212.TIF 1932 3 15 18 -1 -1 -1 -1 -1 -1 -1 216.TIF 1933 3 7 25 -1 -1 -1 -1 -1 -1 -1 220.TIF 1933 3 14 25 -1 IP -1 -1 BV -1 -1 -1 -1 221.TIF 1933 3 28 26 -1 -1 -1 -1 -1 -1 -1 223.TIF 1934 4 3 10 36 -1 -1 -1 -1 -1 -1 232.TIF 1934 4 24 24 -1 -1 -1 -1 -1 -1 -1 235.TIF 1935 4 2 18 24 -1 -1 -1 -1 -1 -1 241.TIF 1935 4 9 20 -1 -1 -1 -1 -1 -1 -1 242.TIF 1938 3 7 28 -1 -1 -1 -1 -1 -1 -1 261.TIF 1938 3 28 24 -1 -1 -1 -1 -1 -1 -1 264.TIF 1939 3 6 30 -1 -1 -1 -1 -1 -1 -1 268.TIF 1939 5 1 -1 -1 BK -1 -1 -1 -1 -1 -1 276.TIF INNER HARBOR 1940 3 18 30 -1 -1 -1 -1 -1 -1 -1 279.TIF 1940 3 24 23 33 -1 -1 -1 -1 -1 -1 280.TIF 1940 4 1 33 -1 -1 -1 -1 -1 -1 -1 281.TIF 1941 3 10 24 -1 -1 -1 -1 -1 -1 -1 286.TIF 1941 3 17 24 30 -1 -1 -1 -1 -1 -1 287.TIF 1941 3 24 22 30 -1 -1 -1 -1 -1 -1 288.TIF 1941 4 14 16 20 -1 -1 -1 -1 -1 -1 291.TIF 1946 3 25 -1 -1 RT -1 -1 -1 -1 -1 -1 321.TIF 1946 4 1 20 22 -1 -1 -1 -1 -1 -1 322.TIF 1947 3 17 28 31 -1 -1 -1 -1 -1 -1 328.TIF 1947 3 17 12 -1 -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 28 31 -1 -1 -1 -1 -1 -1 329.TIF 1949 3 7 14 -1 -1 -1 -1 -1 -1 -1 341.TIF 1949 3 14 25 -1 -1 -1 -1 -1 -1 -1 343.TIF TO 6Mi OUT 1950 3 13 28 -1 -1 -1 -1 -1 -1 -1 351.TIF 1950 3 20 30 -1 -1 -1 -1 -1 -1 -1 352.TIF 1950 3 27 30 38 -1 -1 -1 -1 -1 -1 353.TIF 1950 4 3 22 38 -1 -1 -1 -1 -1 -1 354.TIF 1950 4 10 20 28 -1 -1 -1 -1 -1 -1 355.TIF 1950 4 17 22 28 -1 -1 -1 -1 -1 -1 356.TIF 1950 4 24 20 -1 -1 -1 -1 -1 -1 -1 357.TIF 1950 5 1 18 -1 -1 -1 -1 -1 -1 -1 358.TIF 1951 3 12 18 20 SC -1 -1 -1 -1 -1 -1 361.TIF 1951 3 19 30 33 -1 -1 -1 -1 -1 -1 362.TIF 1951 3 26 29 -1 -1 -1 -1 -1 -1 -1 363.TIF 1951 4 16 -1 -1 HF -1 -1 BK -1 -1 -1 -1 366.TIF 1952 3 10 20 24 -1 -1 -1 -1 -1 -1 369.TIF 1952 3 17 20 24 SC -1 -1 -1 -1 -1 -1 370.TIF 1952 3 24 18 24 -1 -1 -1 -1 -1 -1 371.TIF 1952 3 31 -1 -1 BK -1 -1 -1 -1 -1 -1 372.TIF APPROACHES & SLIPS (CUT) 1953 2 24 24 -1 SL -1 -1 -1 -1 -1 -1 375.TIF 1953 3 2 20 22 SC -1 -1 -1 -1 -1 -1 528.TIF 1954 3 15 22 -1 -1 -1 -1 -1 -1 -1 383.TIF TO WELCOME ISLAND 1954 4 5 22 26 CL -1 -1 SO -1 -1 -1 -1 386.TIF TO 5Mi OUT 1955 3 14 19 28 -1 -1 -1 -1 -1 -1 393.TIF 1955 3 21 19 26 -1 -1 -1 -1 -1 -1 394.TIF TO THUNDER CAPE 1955 4 11 18 24 -1 -1 -1 -1 -1 -1 396.TIF TO 13Mi OUT 1955 4 11 -1 -1 BK -1 -1 -1 -1 -1 -1 396.TIF SLIPS (CUT) 1956 2 27 14 16 -1 -1 -1 -1 -1 -1 397.TIF 1956 3 5 20 24 -1 -1 -1 -1 -1 -1 399.TIF 1956 3 12 -1 -1 BK -1 -1 -1 -1 -1 -1 401.TIF TO MAIN ENTRANCE (CUT) 1957 2 25 22 -1 SC 5 -1 -1 -1 -1 -1 407.TIF 1957 3 11 18 33 -1 -1 -1 -1 -1 -1 411.TIF 1957 3 25 18 24 SO -1 -1 -1 -1 -1 -1 413.TIF TO ISLE ROYAL 1957 3 25 30 -1 SO -1 -1 -1 -1 -1 -1 413.TIF IN SLIPS 1957 4 1 -1 -1 BK -1 -1 -1 -1 -1 -1 414.TIF (CUT) 1957 4 15 -1 -1 BK -1 -1 -1 -1 -1 -1 415.TIF AND SLIPS 1957 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 415.TIF ENTRANCE: TO OPEN WATER (CUT) 1958 2 24 24 26 SO -1 -1 -1 -1 -1 -1 416.TIF 1958 3 17 4 28 BK -1 -1 -1 -1 -1 -1 419.TIF RIVER: BEYOND 1Mi WEST 1958 3 24 -1 -1 BK -1 -1 -1 -1 -1 -1 420.TIF ENTRANCE: TO WELCOME ISL (CUT) 1958 3 31 24 26 -1 -1 -1 -1 -1 -1 421.TIF 1958 4 7 24 36 BK -1 -1 -1 -1 -1 -1 422.TIF 1959 3 9 30 -1 SO -1 -1 -1 -1 -1 -1 425.TIF TO PIE ISLAND 1959 3 9 34 36 -1 -1 -1 -1 -1 -1 425.TIF IN SLIPS 1959 3 16 -1 -1 BK -1 -1 -1 -1 -1 -1 426.TIF INNER HARBOR (CUT) 1959 3 23 30 32 -1 -1 -1 -1 -1 -1 427.TIF 1959 3 23 40 -1 -1 -1 -1 -1 -1 -1 427.TIF OUTSIDE OF HARBOR 1959 3 30 30 32 -1 -1 -1 -1 -1 -1 429.TIF 1959 3 30 40 -1 -1 -1 -1 -1 -1 -1 429.TIF IN SLIPS 1959 4 6 30 -1 RT -1 -1 -1 -1 -1 -1 430.TIF 1959 4 13 24 -1 SO -1 -1 RT -1 -1 -1 -1 431.TIF 1959 4 20 -1 -1 OW -1 -1 -1 -1 -1 -1 432.TIF ALL ENTRANCES 1959 4 27 -1 -1 LF -1 -1 DI -1 -1 -1 -1 433.TIF 1960 3 14 24 -1 -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 24 30 -1 -1 -1 -1 -1 -1 436.TIF 1960 3 28 24 30 -1 -1 -1 -1 -1 -1 437.TIF 1960 4 4 28 -1 -1 -1 -1 -1 -1 -1 438.TIF 1961 2 27 35 -1 -1 -1 -1 -1 -1 -1 440.TIF 1961 3 6 36 -1 SC -1 -1 -1 -1 -1 -1 441.TIF 1961 3 13 30 36 SO -1 -1 -1 -1 -1 -1 442.TIF 1961 3 20 30 36 -1 -1 -1 -1 -1 -1 443.TIF 1961 3 27 36 38 -1 -1 -1 -1 -1 -1 444.TIF 1961 4 3 30 36 BK -1 -1 -1 -1 -1 -1 445.TIF (CUT) 1961 4 10 -1 -1 BK -1 -1 -1 -1 -1 -1 446.TIF (CUT) 1962 2 26 30 36 SC 18 24 -1 -1 -1 -1 447.TIF 1962 3 5 30 36 -1 -1 -1 -1 -1 -1 448.TIF 1962 3 12 -1 -1 SO -1 -1 -1 -1 -1 -1 449.TIF 1962 3 19 30 36 -1 -1 -1 -1 -1 -1 450.TIF 1962 4 2 30 36 SL -1 -1 -1 -1 -1 -1 452.TIF 1962 4 9 30 36 -1 -1 -1 -1 -1 -1 453.TIF 1962 4 23 -1 -1 BK -1 -1 -1 -1 -1 -1 455.TIF 1963 2 25 24 36 -1 -1 -1 -1 -1 -1 456.TIF 1963 3 4 37 -1 -1 -1 -1 -1 -1 -1 457.TIF INNER HARBOR 1963 3 11 38 -1 -1 -1 -1 -1 -1 -1 458.TIF 1963 3 11 -1 -1 PR -1 -1 -1 -1 -1 -1 458.TIF HARBOR ENTRANCE 1963 3 18 39 -1 -1 -1 -1 -1 -1 -1 459.TIF 1963 3 25 39 -1 -1 -1 -1 -1 -1 -1 460.TIF 1963 4 1 39 -1 -1 -1 -1 -1 -1 -1 461.TIF 1963 4 8 35 -1 -1 -1 -1 -1 -1 -1 462.TIF IN CENTER OF HARBOR 1963 4 15 23 -1 -1 -1 -1 -1 -1 -1 463.TIF 1963 4 22 -1 -1 BK -1 -1 -1 -1 -1 -1 464.TIF (CUT) 1964 3 2 29 -1 -1 -1 -1 -1 -1 -1 466.TIF 1964 3 9 31 -1 -1 -1 -1 -1 -1 -1 467.TIF 1964 3 23 33 -1 -1 -1 -1 -1 -1 -1 469.TIF 1964 4 6 30 36 SO -1 -1 CL -1 -1 -1 -1 471.TIF 1965 3 8 27 -1 SC 10 -1 SL 1 -1 -1 -1 475.TIF 1965 3 29 29 -1 -1 -1 -1 -1 -1 -1 478.TIF 1965 4 5 29 -1 -1 -1 -1 -1 -1 -1 479.TIF 1965 4 12 29 -1 SO -1 -1 SI -1 -1 SC -1 1 480.TIF 0 1965 4 19 24 -1 -1 -1 -1 -1 -1 -1 481.TIF 1966 2 28 25 -1 -1 -1 -1 -1 -1 -1 483.TIF 1966 3 7 26 -1 -1 -1 -1 -1 -1 -1 484.TIF 1966 3 14 29 -1 SC 3 5 -1 -1 -1 -1 485.TIF 1966 3 21 28 -1 -1 -1 -1 -1 -1 -1 486.TIF 1966 3 28 28 -1 -1 -1 -1 -1 -1 -1 487.TIF 1966 4 4 25 -1 -1 -1 -1 -1 -1 -1 488.TIF 1967 3 6 34 -1 -1 -1 -1 -1 -1 -1 490.TIF 1967 3 13 36 -1 -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 38 -1 -1 -1 -1 -1 -1 -1 492.TIF 1967 3 27 38 -1 -1 -1 -1 -1 -1 -1 493.TIF 1967 4 3 37 -1 -1 -1 -1 -1 -1 -1 494.TIF 1967 4 10 35 -1 SL -1 -1 -1 -1 -1 -1 495.TIF 1967 4 17 -1 -1 BK -1 -1 -1 -1 -1 -1 496.TIF (CUT) 1968 3 4 36 37 -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 36 37 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 38 39 -1 -1 -1 -1 -1 -1 498.TIF 1968 3 25 35 -1 -1 -1 -1 -1 -1 -1 499.TIF 1968 4 1 34 -1 -1 -1 -1 -1 -1 -1 500.TIF 1968 4 8 34 -1 -1 -1 -1 -1 -1 -1 501.TIF 1968 4 15 34 -1 -1 -1 -1 -1 -1 -1 502.TIF 1969 2 24 25 -1 -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 26 -1 -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 26 -1 -1 -1 -1 -1 -1 -1 505.TIF 1969 3 17 27 -1 -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 27 -1 -1 -1 -1 -1 -1 -1 507.TIF 1969 3 31 27 -1 -1 -1 -1 -1 -1 -1 508.TIF 1969 4 7 25 -1 -1 -1 -1 -1 -1 -1 509.TIF 1969 4 14 20 -1 -1 -1 -1 -1 -1 -1 510.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.