GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 353, Approximate Location: 42.91 N. Latitude, 82.49 W. Longitude Site Name St. Clair River on St. Clair River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1899 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 001.TIF 1900 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 004.TIF LAKE: TO SEVERAL MILES BELOW 1901 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 014.TIF ST. CLAIR FLATS: SOUTH CHANNEL 1901 5 8 -1 -1 OW -1 -1 -1 -1 -1 -1 018.TIF 1902 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 023.TIF 1903 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 025.TIF 1903 3 17 -1 -1 RI -1 -1 -1 -1 -1 -1 026.TIF 1903 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 027.TIF 1904 5 3 -1 -1 RI -1 -1 -1 -1 -1 -1 038.TIF 1905 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 040.TIF TO ST. CLAIR 1905 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 041.TIF TO MARINE CITY 1906 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 046.TIF MARINE CITY TO ALGONIC 1907 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 052.TIF LAKE TO SOUTH PARK 1907 3 12 -1 -1 IP -1 -1 -1 -1 -1 -1 052.TIF BELOW SOUTH PARK 1910 3 8 -1 -1 IP -1 -1 -1 -1 -1 -1 072.TIF MARINE CITY 1911 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 080.TIF ENTIRE LENGTH 1914 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 102.TIF TO LAKE ST. CLAIR 1914 4 14 -1 -1 RI -1 -1 -1 -1 -1 -1 104.TIF 1915 4 6 -1 -1 RI -1 -1 -1 -1 -1 -1 110.TIF THE FLATS 1922 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 150.TIF 1922 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 151.TIF 1922 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 152.TIF 1922 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 153.TIF 1922 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 154.TIF 1923 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 156.TIF TO ALGONAC 1923 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 157.TIF 1923 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 158.TIF TO LAKE ST. CLAIR 1923 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 159.TIF 1923 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 160.TIF 1924 3 4 -1 -1 SO -1 -1 -1 -1 -1 -1 163.TIF TO LAKE ST. CLAIR 1924 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 164.TIF TO ALGONAC 1924 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 165.TIF TO BELOW ALGONAC 1924 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 166.TIF 1924 4 1 -1 -1 RI -1 -1 -1 -1 -1 -1 167.TIF 1924 4 8 -1 -1 RI -1 -1 -1 -1 -1 -1 168.TIF 1925 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 171.TIF 1925 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 172.TIF 1925 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 173.TIF 1926 3 2 -1 -1 SO -1 -1 -1 -1 -1 -1 176.TIF TO LAKE ST. CLAIR 1926 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 177.TIF EXCEPT FERRY CHANNELS 1926 3 16 -1 -1 SO -1 -1 -1 -1 -1 -1 178.TIF 1926 3 23 -1 -1 SW -1 -1 RT -1 -1 -1 -1 179.TIF TO MARINE CITY 1926 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 180.TIF 1926 4 6 -1 -1 IJ -1 -1 -1 -1 -1 -1 181.TIF MARINE CITY 1926 4 13 -1 -1 RI -1 -1 -1 -1 -1 -1 182.TIF 1926 4 13 -1 -1 IJ -1 -1 -1 -1 -1 -1 182.TIF ST. CLAIR 1926 4 20 -1 -1 RI -1 -1 HF -1 -1 -1 -1 183.TIF 1926 4 27 -1 -1 RI -1 -1 -1 -1 -1 -1 184.TIF 1927 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 186.TIF TO BELOW MARINE CITY 1927 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 187.TIF 1927 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 188.TIF 1928 3 6 -1 -1 IP -1 -1 -1 -1 -1 -1 190.TIF TO THE FLATS 1928 3 20 -1 -1 RT -1 -1 -1 -1 -1 -1 192.TIF 1928 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 192.TIF ST. CLAIR 1928 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 192.TIF MARINE CITY 1928 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 195.TIF 1929 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 196.TIF TO BELOW ALGONAC 1929 3 12 -1 -1 RI -1 -1 -1 -1 -1 -1 197.TIF 1929 3 12 -1 -1 IJ -1 -1 -1 -1 -1 -1 197.TIF BELOW ALGONAC 1929 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 198.TIF 1929 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 199.TIF 1929 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 200.TIF 1930 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 202.TIF TO LAKE ST. CLAIR 1930 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 203.TIF TO ALGONAC 1930 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 204.TIF TO LAKE ST. CLAIR 1930 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 205.TIF 1930 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 206.TIF 1930 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 207.TIF 1930 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 208.TIF 1931 3 3 -1 -1 SI -1 -1 -1 -1 -1 -1 209.TIF TO THE FLATS 1931 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 210.TIF TO NEAR ST. CLAIR 1931 3 10 -1 -1 IJ -1 -1 -1 -1 -1 -1 210.TIF ST. CLAIR TO THE FLATS 1931 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 211.TIF TO ST. CLAIR 1931 3 17 -1 -1 IJ -1 -1 -1 -1 -1 -1 211.TIF BELOW ST. CLAIR 1931 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 212.TIF TO BELOW ST. CLAIR 1931 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 213.TIF TO ALGONAC 1931 3 31 -1 -1 IJ -1 -1 -1 -1 -1 -1 213.TIF BELOW ALGONAC IN THE FLATS 1931 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 214.TIF 1932 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 215.TIF 1932 3 15 -1 -1 PI -1 -1 -1 -1 -1 -1 216.TIF 1932 3 29 -1 -1 RI -1 -1 -1 -1 -1 -1 525.TIF 1932 3 29 -1 -1 IJ -1 -1 -1 -1 -1 -1 525.TIF ST. CLAIR TO ALGONAC 1932 4 5 -1 -1 RI -1 -1 -1 -1 -1 -1 218.TIF 1932 4 5 -1 -1 IJ -1 -1 -1 -1 -1 -1 218.TIF PEARL BEACH 1932 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 219.TIF 1933 3 14 -1 -1 IJ -1 -1 -1 -1 -1 -1 221.TIF MARINE CITY 1933 3 21 -1 -1 RI -1 -1 -1 -1 -1 -1 222.TIF 1933 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 223.TIF 1934 3 6 -1 -1 IJ -1 -1 -1 -1 -1 -1 228.TIF 1934 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 229.TIF L. HURON TO 3Mi S OF STAG ISL. 1934 3 13 -1 -1 SW -1 -1 -1 -1 -1 -1 229.TIF TO MARINE CITY 1934 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 230.TIF LAKE HURON TO ALGONAC 1934 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 231.TIF LAKE HURON TO MARINE CITY 1934 3 27 -1 -1 BK -1 -1 -1 -1 -1 -1 231.TIF BELOW MARINE CITY 1934 4 10 -1 -1 RI -1 -1 BK -1 -1 -1 -1 233.TIF 1934 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 234.TIF 1934 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 235.TIF 1935 3 5 -1 -1 IJ -1 -1 -1 -1 -1 -1 237.TIF STAG ISLAND TO L. ST. CLAIR 1935 3 12 -1 -1 IJ -1 -1 -1 -1 -1 -1 238.TIF MARINE CITY TO L. ST. CLAIR 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 ENTRANCE 1935 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 241.TIF 1935 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 242.TIF 1935 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 243.TIF 1936 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 245.TIF 1936 3 23 -1 -1 RI -1 -1 -1 -1 -1 -1 246.TIF 1936 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 247.TIF 1936 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 248.TIF 1936 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 249.TIF 1936 4 20 -1 -1 OW -1 -1 -1 -1 -1 -1 250.TIF 1936 4 27 -1 -1 OW -1 -1 -1 -1 -1 -1 251.TIF 1937 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 254.TIF 1937 3 15 -1 -1 RI -1 -1 -1 -1 -1 -1 255.TIF 1937 3 22 -1 -1 RI -1 -1 -1 -1 -1 -1 256.TIF 1937 3 29 -1 -1 RI -1 -1 -1 -1 -1 -1 257.TIF 1937 4 5 -1 -1 RI -1 -1 -1 -1 -1 -1 258.TIF 1937 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 259.TIF 1938 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 261.TIF FROM LAKE TO MARYSVILLE 1938 3 21 -1 -1 SI -1 -1 RI -1 -1 -1 -1 263.TIF 1938 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 264.TIF 1938 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 265.TIF 1938 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 266.TIF 1938 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 267.TIF 1939 3 6 -1 -1 WI -1 -1 -1 -1 -1 -1 268.TIF STAG ISLAND TO ST. CLAIR 1939 3 6 -1 -1 RT -1 -1 -1 -1 -1 -1 268.TIF MARINE CITY 1939 3 13 -1 -1 HF -1 -1 RT -1 -1 -1 -1 269.TIF FROM LAKE UP TO ST. CLAIR 1939 3 13 -1 -1 IJ -1 -1 -1 -1 -1 -1 269.TIF ST. CLAIR TO STAG ISLAND 1939 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 269.TIF STAG ISLAND TO PORT HURON 1939 3 20 -1 -1 HF -1 -1 -1 -1 -1 -1 270.TIF BELOW STAG ISLAND 1939 3 27 -1 -1 LI -1 -1 RI -1 -1 -1 -1 271.TIF 1939 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 272.TIF 1939 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 273.TIF 1939 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 274.TIF 1939 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 275.TIF 1939 5 1 -1 -1 OW -1 -1 -1 -1 -1 -1 276.TIF 1940 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 277.TIF FT. GRATIOT LT. TO MARYSVILLE 1940 3 4 -1 -1 BK -1 -1 RT -1 -1 -1 -1 277.TIF TO SOUTH ST. CLAIR 1940 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 278.TIF L. HURON TO SOUTH ST. CLAIR 1940 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 279.TIF L. HURON TO ALGONAC 1940 3 18 -1 -1 IJ -1 -1 -1 -1 -1 -1 279.TIF MARINE CITY: CANADIAN SIDE 1940 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 280.TIF L. HURON TO SOUTH MARINE CITY 1940 4 1 -1 -1 RI -1 -1 -1 -1 -1 -1 281.TIF 1940 4 8 -1 -1 LI -1 -1 RI -1 -1 -1 -1 282.TIF 1940 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 283.TIF 1940 4 22 -1 -1 OW -1 -1 -1 -1 -1 -1 284.TIF 1941 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 285.TIF MOUTH TO STAG ISLAND 1941 3 3 -1 -1 IJ -1 -1 -1 -1 -1 -1 285.TIF SOUTH TO STAG ISLAND 1941 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 286.TIF MOUTH TO 1Mi BELOW STAG ISLAND 1941 3 10 -1 -1 IJ -1 -1 -1 -1 -1 -1 286.TIF STAG ISLAND TO L. ST. CLAIR 1941 3 31 -1 -1 HF -1 -1 RI -1 -1 -1 -1 289.TIF 1941 4 7 -1 -1 HF -1 -1 RI -1 -1 -1 -1 290.TIF 1941 4 14 -1 -1 IJ -1 -1 -1 -1 -1 -1 291.TIF NEAR MOUTH 1942 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 292.TIF L. HURON LT. TO MARINE CITY 1942 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 292.TIF MARINE CITY TO L. ST. CLAIR 1942 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 294.TIF 1942 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 295.TIF 1943 3 8 -1 -1 IJ -1 -1 SI -1 -1 WI -1 -1 299.TIF ST. CLAIR TO ALGONAC 1943 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 300.TIF UPPER RIVER 1943 3 15 -1 -1 SO -1 -1 -1 -1 -1 -1 300.TIF DELTA 1943 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 301.TIF 1943 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 302.TIF 1943 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 303.TIF 1943 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 304.TIF 1943 4 19 -1 -1 OW -1 -1 -1 -1 -1 -1 305.TIF 1943 4 26 -1 -1 OW -1 -1 -1 -1 -1 -1 306.TIF 1944 3 6 -1 -1 IJ -1 -1 -1 -1 -1 -1 308.TIF L. ST. CLAIR TO MARINE CITY 1944 3 20 -1 -1 RI -1 -1 -1 -1 -1 -1 310.TIF MARINE CITY 1944 3 27 -1 -1 HF -1 -1 RI -1 -1 -1 -1 311.TIF 1944 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 312.TIF 1944 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 313.TIF 1944 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 314.TIF 1945 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 315.TIF 1945 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 316.TIF 1946 3 4 -1 -1 IJ -1 -1 -1 -1 -1 -1 318.TIF 1Mi BELOW ST. CLAIR 1946 3 11 -1 -1 LI -1 -1 -1 -1 -1 -1 319.TIF 1946 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 320.TIF 1946 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 321.TIF 1946 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 322.TIF 1947 2 19 -1 -1 HF -1 -1 WI -1 -1 -1 -1 324.TIF AID #43 1947 2 19 -1 -1 HF -1 -1 WI -1 -1 -1 -1 324.TIF RUSSELLS ISLAND, AID #41 1947 2 19 -1 -1 IP -1 -1 -1 -1 -1 -1 324.TIF ST CLAIR FLATS 1947 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 326.TIF MOUTH: TO 2Mi NORTH 1947 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 326.TIF ROBERTS LANDING TO HARSENS ISL 1947 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 327.TIF LIGHT #40 INTO LAKE ST. CLAIR 1947 3 10 -1 -1 SW -1 -1 -1 -1 -1 -1 327.TIF RED NUN BUOY #18 1947 3 10 -1 -1 IJ -1 -1 -1 -1 -1 -1 327.TIF CHANNEL: FLATS TO ALGONAC 1947 3 17 -1 -1 DI -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 330.TIF 1947 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 331.TIF 1947 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 332.TIF 1947 4 21 -1 -1 OW -1 -1 -1 -1 -1 -1 333.TIF 1948 3 1 -1 -1 LI -1 -1 -1 -1 -1 -1 334.TIF 1948 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 335.TIF TO BELOW MARINE CITY 1948 3 8 -1 -1 SO -1 -1 WI -1 -1 BV -1 -1 335.TIF FLATS TO L. ST. CLAIR 1948 3 8 -1 -1 NI -1 -1 BV -1 -1 -1 -1 335.TIF OFF WINDMILL POINT 1948 3 15 -1 -1 LF -1 -1 DI -1 -1 -1 -1 336.TIF UPPER RIVER 1948 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 337.TIF CHANNELS 1948 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 338.TIF 1948 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 339.TIF 1949 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 527.TIF 1949 3 7 -1 -1 IJ -1 -1 BV -1 -1 -1 -1 342.TIF S CHANNEL: RUSSELLS ISLAND 1949 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 344.TIF W SHORE: TO ABOVE MARINE CITY 1949 3 14 -1 -1 IJ -1 -1 DI -1 -1 -1 -1 344.TIF MARINE CITY TO BELOW ALGONAC 1949 3 14 -1 -1 IJ -1 -1 -1 -1 -1 -1 344.TIF HEAD OF RUSSELLS ISLAND 1949 3 21 -1 -1 IJ -1 -1 PI -1 -1 -1 -1 346.TIF ST. CLAIR TO RUSSELLS ISLAND 1949 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 347.TIF 1950 2 16 -1 -1 IJ -1 -1 -1 -1 -1 -1 348.TIF ROBERTS LANDING TO LAKE OUTLET 1950 2 27 -1 -1 IP -1 -1 -1 -1 -1 -1 349.TIF STAG ISLAND TO RUSSELLS ISLAND 1950 2 27 8 -1 IJ -1 -1 WI -1 -1 -1 -1 349.TIF MARINE CITY TO RUSSELLS ISLAND 1950 2 27 9 -1 -1 -1 -1 -1 -1 -1 349.TIF OLD CLUB TO LAKE ST. CLAIR 1950 3 6 -1 -1 IJ -1 -1 WI -1 -1 -1 -1 350.TIF STAG ISLAND TO ROBERTS LANDING 1950 3 6 10 -1 SO -1 -1 -1 -1 -1 -1 350.TIF ST. CLAIR FLATS 1950 3 13 -1 -1 IJ -1 -1 -1 -1 -1 -1 351.TIF ROBERTS LANDING TO RUSSELL ISL 1950 3 20 -1 -1 LI -1 -1 -1 -1 -1 -1 352.TIF ABOVE RUSSELLS ISLAND 1950 3 20 -1 -1 IJ -1 -1 -1 -1 -1 -1 352.TIF LOWER RIVER 1950 3 27 -1 -1 HF -1 -1 RT -1 -1 RI -1 -1 353.TIF RUSSELLS ISLAND: SOUTHWARD 1950 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 354.TIF 1950 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 355.TIF 1950 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 356.TIF 1950 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 357.TIF 1951 3 5 -1 -1 LI -1 -1 -1 -1 -1 -1 360.TIF 1951 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 361.TIF 1951 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 362.TIF 1951 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 363.TIF 1951 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 364.TIF 1951 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 365.TIF 1952 2 25 -1 -1 OW -1 -1 -1 -1 -1 -1 367.TIF NORTH CHANNEL 1952 2 25 -1 -1 IJ -1 -1 -1 -1 -1 -1 367.TIF RUSSELLS ISLAND TO L. ST. CLAI 1952 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 368.TIF TO LAKE ST. CLAIR 1952 3 3 -1 -1 WI -1 -1 -1 -1 -1 -1 368.TIF RIVER MOUTH 1952 3 10 -1 -1 LI -1 -1 -1 -1 -1 -1 369.TIF 1952 3 17 -1 -1 RI -1 -1 -1 -1 -1 -1 370.TIF 1952 3 31 -1 -1 LF -1 -1 RT -1 -1 PN -1 -1 372.TIF UPPER RIVER 1952 4 7 -1 -1 LI -1 -1 -1 -1 -1 -1 373.TIF 1953 2 24 -1 -1 LF -1 -1 PN -1 -1 RI -1 -1 375.TIF 1953 3 2 -1 -1 LF -1 -1 DI -1 -1 NI -1 -1 528.TIF 1953 3 9 3 -1 NI -1 -1 PN -1 -1 -1 -1 376.TIF 1953 3 9 -1 -1 IJ -1 -1 -1 -1 -1 -1 376.TIF ST. CLAIR FLATS 1953 3 16 -1 -1 LI -1 -1 -1 -1 -1 -1 378.TIF 1953 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 379.TIF 1954 3 1 -1 -1 LI -1 -1 -1 -1 -1 -1 381.TIF 1954 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 381.TIF ST. CLAIR FLATS 1954 3 8 -1 -1 SO -1 -1 NI -1 -1 -1 -1 382.TIF TO MARINE CITY 1954 3 15 -1 -1 LI -1 -1 -1 -1 -1 -1 383.TIF 1954 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 384.TIF EXCEPT FOR UPPER RIVER 1954 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 385.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 OW -1 -1 BV -1 -1 -1 -1 389.TIF INTO L. ST. CLAIR 1955 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 391.TIF ST CLAIR FLATS 1955 3 14 -1 -1 LI -1 -1 -1 -1 -1 -1 393.TIF 1955 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 394.TIF 1955 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 395.TIF 1956 2 27 -1 -1 IJ -1 -1 -1 -1 -1 -1 397.TIF 1956 2 27 -1 -1 SW -1 -1 -1 -1 -1 -1 397.TIF SOUTH OF BLUEWATER BRIDGE 1956 3 5 8 10 SO -1 -1 WI 48 96 -1 -1 399.TIF 2Mi N OF MARINE CITY TO 3Mi S 1956 3 5 -1 -1 SO -1 -1 WI -1 -1 -1 -1 399.TIF 1Mi AT ROBERTS LANDING 1956 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 399.TIF PEARL BEACH 1956 3 5 -1 -1 IJ -1 -1 RT -1 -1 -1 -1 399.TIF S OF PEARL BEACH: TO L ST. CL. 1956 3 12 -1 -1 IJ -1 -1 -1 -1 -1 -1 401.TIF 1Mi S OF MARINE CITY TO ALGONA 1956 3 12 -1 -1 WI 120 144 -1 -1 -1 -1 401.TIF ROBERTS LANDING AREA 1956 3 19 -1 -1 RI -1 -1 -1 -1 -1 -1 402.TIF 1956 3 26 -1 -1 DI -1 -1 RT -1 -1 PN -1 -1 403.TIF CHANNELS 1956 4 2 -1 -1 DI -1 -1 RT -1 -1 PN -1 -1 404.TIF 1956 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 405.TIF 1956 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 406.TIF 1957 2 25 -1 -1 SO -1 -1 -1 -1 -1 -1 408.TIF 1957 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 409.TIF FOOT OF LAKE TO HARSENS ISLAND 1957 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 409.TIF SOUTH CHANNEL 1957 3 4 4 6 IJ -1 -1 WI -1 -1 RT -1 -1 409.TIF NORTH CHANNEL 1957 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 411.TIF TO ALGONAC 1957 3 11 -1 -1 SI -1 -1 BK -1 -1 -1 -1 411.TIF L. ENTRANCE TO ST. CLAIR FLATS 1957 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 413.TIF 1957 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 414.TIF 1958 3 3 12 -1 CL -1 -1 -1 -1 -1 -1 417.TIF ST. CLAIR FLATS 1958 3 3 -1 -1 BK -1 -1 -1 -1 -1 -1 417.TIF NORTH CHANNEL 1958 3 10 -1 -1 LI -1 -1 -1 -1 -1 -1 418.TIF ABOVE MARINE CITY 1958 3 10 -1 -1 DI -1 -1 -1 -1 -1 -1 418.TIF HARSENS ISL. & ST. CLAIR FLATS 1958 3 17 -1 -1 LI -1 -1 -1 -1 -1 -1 419.TIF 1958 3 24 -1 -1 LI -1 -1 -1 -1 -1 -1 420.TIF 1958 3 31 -1 -1 IJ -1 -1 DI -1 -1 -1 -1 421.TIF 1958 4 7 -1 -1 RT -1 -1 PN -1 -1 BI -1 -1 422.TIF (50 - 90% ICE COVER) 1959 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 424.TIF TO ROBERTS LANDING 1959 3 2 23 -1 -1 -1 -1 -1 -1 -1 424.TIF MUSSEL ISL. & ST. CLAIR FLATS 1959 3 9 3 12 DI -1 -1 RI -1 -1 -1 -1 425.TIF UPPER ST. CLAIR (80% ICE) 1959 3 16 -1 -1 LI -1 -1 LF -1 -1 DI -1 -1 426.TIF RUSSELLS ISLAND TO FLATS 1959 3 30 -1 -1 LF -1 -1 RT -1 -1 PN -1 -1 429.TIF 1959 4 6 -1 -1 LI -1 -1 -1 -1 -1 -1 430.TIF 1959 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 431.TIF 1960 2 19 12 -1 -1 -1 -1 -1 -1 -1 523.TIF ST. CLAIR FLATS 1960 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 434.TIF TO NEAR ROBERTS LANDING 1960 3 14 -1 -1 SO -1 -1 -1 -1 -1 -1 435.TIF BELOW MARINE CITY 1960 3 28 -1 -1 DI -1 -1 PN -1 -1 -1 -1 437.TIF 1960 4 4 -1 -1 LI -1 -1 -1 -1 -1 -1 438.TIF 1960 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 439.TIF 1961 2 27 -1 -1 OW -1 -1 -1 -1 -1 -1 440.TIF 1961 3 6 -1 -1 LI -1 -1 -1 -1 -1 -1 441.TIF 1961 3 13 -1 -1 LI -1 -1 -1 -1 -1 -1 442.TIF 1961 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 443.TIF 1961 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 444.TIF 1961 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 445.TIF 1961 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 446.TIF 1962 2 26 -1 -1 RI -1 -1 -1 -1 -1 -1 447.TIF 1962 3 5 15 20 -1 -1 -1 -1 -1 -1 448.TIF ST. CLAIR FLATS 1962 3 12 14 -1 -1 -1 -1 -1 -1 -1 449.TIF SE BEND: TO FLATS CANAL 1962 3 19 -1 -1 LI -1 -1 -1 -1 -1 -1 450.TIF ST CLAIR FLATS CANAL 1962 3 26 -1 -1 RI -1 -1 -1 -1 -1 -1 451.TIF AND N CHANNEL 1962 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 451.TIF S CHANNEL 1962 4 2 -1 -1 LI -1 -1 -1 -1 -1 -1 452.TIF 1962 4 9 -1 -1 LI -1 -1 -1 -1 -1 -1 453.TIF 1962 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 454.TIF 1963 2 25 2 -1 -1 -1 -1 -1 -1 -1 456.TIF ABOVE BLUEWATER BRIDGE 1963 2 25 -1 -1 OW -1 -1 -1 -1 -1 -1 456.TIF FOR 2Mi BELOW BLUEWATER BRIDGE 1963 3 11 -1 -1 LF -1 -1 RI -1 -1 -1 -1 458.TIF 1963 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 459.TIF INCLUDING N & S CHANNELS 1963 3 25 -1 -1 LF -1 -1 DI -1 -1 -1 -1 460.TIF 1963 4 1 -1 -1 LI -1 -1 -1 -1 -1 -1 461.TIF 1963 4 8 -1 -1 LI -1 -1 -1 -1 -1 -1 462.TIF 1963 4 15 -1 -1 LI -1 -1 -1 -1 -1 -1 463.TIF 1964 2 24 2 -1 RT -1 -1 PN -1 -1 SW -1 -1 465.TIF N & TO 5Mi S OF BLUEWATER BR. 1964 3 2 6 7 DI -1 -1 -1 -1 -1 -1 466.TIF 1964 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 467.TIF 1964 3 16 -1 -1 LI -1 -1 DI -1 -1 -1 -1 468.TIF 1964 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 469.TIF 1964 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 470.TIF 1964 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 471.TIF 1964 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 472.TIF 1965 2 23 -1 -1 LF -1 -1 DI -1 -1 -1 -1 473.TIF 1965 3 1 -1 -1 LF -1 -1 -1 -1 -1 -1 474.TIF N OF MARINE CITY (20% ICE) 1965 3 1 -1 -1 SO -1 -1 SC -1 -1 -1 -1 474.TIF S OF MARINE CITY 1965 3 1 -1 -1 IJ -1 -1 -1 -1 -1 -1 474.TIF N & S CHANNELS 1965 3 8 -1 -1 IJ -1 -1 -1 -1 -1 -1 475.TIF ST. CLAIR FLATS 1965 3 15 -1 -1 LF -1 -1 -1 -1 -1 -1 476.TIF 1965 3 22 -1 -1 IJ -1 -1 -1 -1 -1 -1 477.TIF ST. CLAIR FLATS 1965 3 22 -1 -1 HF -1 -1 -1 -1 -1 -1 477.TIF N & S CHANNELS 1965 3 22 -1 -1 HF -1 -1 -1 -1 -1 -1 477.TIF ROBERTS LANDING 1965 3 29 -1 -1 IJ -1 -1 -1 -1 -1 -1 478.TIF S CHANNEL 1965 4 5 -1 -1 LF -1 -1 DI -1 -1 -1 -1 479.TIF 1965 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 479.TIF N & S CHANNELS 1965 4 12 -1 -1 DI -1 -1 -1 -1 -1 -1 480.TIF 1965 4 19 -1 -1 LI -1 -1 -1 -1 -1 -1 481.TIF 1966 2 28 -1 -1 FS -1 -1 PN -1 -1 IJ -1 -1 483.TIF 1966 2 28 -1 -1 SW -1 -1 -1 -1 -1 -1 483.TIF CHANNEL 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF CHANNELS 1966 3 7 -1 -1 LF -1 -1 DI -1 -1 -1 -1 484.TIF 1966 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 485.TIF 1966 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 486.TIF 1966 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 487.TIF 1966 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 488.TIF 1967 2 27 -1 -1 SO -1 -1 -1 -1 -1 -1 489.TIF N & S CHANNELS 1967 2 27 -1 -1 IJ -1 -1 -1 -1 -1 -1 489.TIF 1967 3 6 -1 -1 IJ -1 -1 -1 -1 -1 -1 490.TIF LOWER RIVER 1967 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 4 6 DI -1 -1 PN -1 -1 SW -1 -1 492.TIF 1967 3 27 4 6 DI -1 -1 PN -1 -1 SW -1 -1 493.TIF 1967 4 3 -1 -1 LF -1 -1 DI -1 -1 -1 -1 494.TIF 1967 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 495.TIF 1968 2 26 -1 -1 IJ -1 -1 -1 -1 -1 -1 521.TIF LOWER CHANNELS 1968 2 26 9 -1 -1 -1 -1 -1 -1 -1 521.TIF (80% ICE COVER) 1968 3 4 10 14 FD -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 -1 -1 LI -1 -1 RI -1 -1 -1 -1 497.TIF 1968 3 18 4 6 PN -1 -1 RI -1 -1 SW -1 -1 498.TIF 1968 3 25 -1 -1 PN -1 -1 -1 -1 -1 -1 499.TIF OUTLET CHANNELS 1968 3 25 -1 -1 LF -1 -1 RI -1 -1 -1 -1 499.TIF 1968 4 1 -1 -1 LF -1 -1 PN -1 -1 -1 -1 500.TIF 1968 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 501.TIF 1968 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 502.TIF 1969 2 24 -1 -1 LF -1 -1 DI -1 -1 -1 -1 503.TIF 1969 3 3 -1 -1 IJ -1 -1 DI -1 -1 WI -1 -1 504.TIF TO 35Mi N OF BLUEWATER BRIDGE 1970 2 24 -1 -1 HF -1 -1 IJ -1 -1 RF -1 -1 519.TIF LOWER RIVER 1970 3 10 -1 -1 IJ -1 -1 -1 -1 -1 -1 511.TIF LOWER RIVER 1970 3 12 -1 -1 -1 -1 -1 -1 -1 -1 518.TIF ANTICIPATED ICEBREAKER OPENING 1970 3 17 -1 -1 IP -1 -1 -1 -1 -1 -1 512.TIF 1970 3 24 -1 -1 DI -1 -1 -1 -1 -1 -1 513.TIF 1970 3 28 -1 -1 -1 -1 -1 -1 -1 -1 518.TIF ANTICIPATED NATURAL OPENING 1970 3 31 -1 -1 IP -1 -1 -1 -1 -1 -1 514.TIF LOWER RIVER: ALONG SHORE 1970 3 31 -1 -1 DI -1 -1 -1 -1 -1 -1 514.TIF UPPER RIVER 1970 4 7 -1 -1 DI -1 -1 IJ -1 -1 SW -1 -1 515.TIF 1970 4 14 -1 -1 RI -1 -1 -1 -1 -1 -1 516.TIF 1970 4 21 -1 -1 LI -1 -1 -1 -1 -1 -1 517.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.