GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 205, Approximate Location: 43.63 N. Latitude, 83.84 W. Longitude Site Name Saginaw Bay on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1922 3 7 -1 -1 IP -1 -1 -1 -1 -1 -1 149.TIF OUT TO THE ISLANDS 1922 3 14 -1 -1 SO -1 -1 -1 -1 -1 -1 150.TIF 1922 3 21 -1 -1 FD -1 -1 -1 -1 -1 -1 151.TIF 1922 3 28 -1 -1 FD -1 -1 -1 -1 -1 -1 152.TIF WEST PORTION OF BAY 1922 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 152.TIF SOUTHERN PORTION OF BAY 1922 4 4 -1 -1 IP -1 -1 -1 -1 -1 -1 153.TIF WESTERN PORTION 1922 4 4 -1 -1 IP -1 -1 -1 -1 -1 -1 153.TIF WEST PORTION 1922 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 154.TIF 1923 3 6 -1 -1 IP -1 -1 -1 -1 -1 -1 155.TIF TO BEYOND CHARITY ISLANDS 1923 3 13 -1 -1 RT -1 -1 -1 -1 -1 -1 156.TIF 1923 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 156.TIF TO PORT HURON 1923 4 3 -1 -1 NC -1 -1 -1 -1 -1 -1 159.TIF 1923 4 10 -1 -1 IP -1 -1 -1 -1 -1 -1 160.TIF 1925 3 24 -1 -1 IP -1 -1 -1 -1 -1 -1 172.TIF 1926 4 13 -1 -1 IP -1 -1 -1 -1 -1 -1 182.TIF 1928 3 27 -1 -1 BK -1 -1 DI -1 -1 -1 -1 193.TIF 1929 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 196.TIF 1929 3 12 -1 -1 SO -1 -1 -1 -1 -1 -1 197.TIF 1929 3 19 -1 -1 LF -1 -1 -1 -1 -1 -1 198.TIF 1930 3 11 -1 -1 FD -1 -1 DI -1 -1 -1 -1 203.TIF 1930 3 18 -1 -1 FD -1 -1 DI -1 -1 WI -1 -1 204.TIF 1930 3 25 -1 -1 FD -1 -1 DI -1 -1 -1 -1 205.TIF SOUTH TO PORT HURON 1930 4 1 -1 -1 PI -1 -1 -1 -1 -1 -1 206.TIF SOUTH END 1931 3 10 10 12 -1 -1 -1 -1 -1 -1 210.TIF 1931 3 17 -1 -1 FD -1 -1 BV -1 -1 -1 -1 211.TIF 1931 3 24 -1 -1 SO -1 -1 -1 -1 -1 -1 212.TIF 1931 3 31 -1 -1 FD -1 -1 -1 -1 -1 -1 213.TIF 1931 4 7 -1 -1 FD -1 -1 BK -1 -1 -1 -1 214.TIF 1932 3 22 -1 -1 NC -1 -1 -1 -1 -1 -1 217.TIF 1933 3 14 6 -1 FD -1 -1 DI -1 -1 -1 -1 221.TIF 1933 4 4 -1 -1 FD -1 -1 DI -1 -1 -1 -1 224.TIF 1934 3 6 12 14 -1 -1 -1 -1 -1 -1 228.TIF 1934 3 13 13 24 IP -1 -1 BV -1 -1 -1 -1 229.TIF 1934 3 20 20 24 SO -1 -1 -1 -1 -1 -1 230.TIF 1934 4 10 -1 -1 FD -1 -1 -1 -1 -1 -1 233.TIF (25% ICE COVER) 1934 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 234.TIF 1935 3 5 14 22 SO -1 -1 -1 -1 -1 -1 237.TIF 1935 3 12 14 -1 -1 -1 -1 -1 -1 -1 238.TIF 1935 3 19 10 12 RT -1 -1 -1 -1 -1 -1 239.TIF 1935 3 26 -1 -1 IP -1 -1 DI -1 -1 -1 -1 240.TIF 1935 4 2 -1 -1 LI -1 -1 -1 -1 -1 -1 241.TIF 1936 3 10 18 30 SO -1 -1 -1 -1 -1 -1 244.TIF 1936 3 17 20 30 SO -1 -1 -1 -1 -1 -1 245.TIF MAIN FIELD 1936 3 23 -1 -1 HF -1 -1 SW -1 -1 -1 -1 246.TIF NORTHWARD ON MICHIGAN SIDE 1936 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 247.TIF TO 16Mi DOWN THE BAY 1936 4 6 -1 -1 HF -1 -1 DI -1 -1 -1 -1 248.TIF 1936 4 20 -1 -1 OW -1 -1 -1 -1 -1 -1 250.TIF 1937 3 15 -1 -1 SO -1 -1 -1 -1 -1 -1 255.TIF 1937 3 22 -1 -1 FD -1 -1 DI -1 -1 -1 -1 256.TIF 1937 3 29 -1 -1 IJ -1 -1 WI -1 -1 -1 -1 257.TIF HEAD OF BAY 1937 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 258.TIF 1938 3 14 10 14 SO -1 -1 -1 -1 -1 -1 262.TIF 1938 3 21 8 -1 SO -1 -1 -1 -1 -1 -1 263.TIF 1938 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 265.TIF 1939 3 6 -1 -1 FD -1 -1 BK -1 -1 DI -1 -1 268.TIF 1939 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 269.TIF 1939 4 3 -1 -1 IP -1 -1 -1 -1 -1 -1 272.TIF HEAD OF BAY 1939 4 10 -1 -1 FD -1 -1 -1 -1 -1 -1 273.TIF PT. LOOKOUT TO CHARITY ISLANDS 1939 4 17 -1 -1 SW -1 -1 -1 -1 -1 -1 274.TIF 1940 3 4 15 -1 SO -1 -1 -1 -1 -1 -1 277.TIF TO CHARITY ISLANDS 1940 3 11 15 -1 SO -1 -1 -1 -1 -1 -1 278.TIF 1940 3 18 -1 -1 SO -1 -1 -1 -1 -1 -1 279.TIF 1940 3 24 15 18 -1 -1 -1 -1 -1 -1 280.TIF 1940 4 1 -1 -1 SO -1 -1 -1 -1 -1 -1 281.TIF 1940 4 8 12 18 FD -1 -1 -1 -1 -1 -1 282.TIF 1940 4 15 -1 -1 FD -1 -1 DI -1 -1 RT -1 -1 283.TIF 1941 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 285.TIF TO BEYOND CHARITY ISLANDS 1941 3 17 12 18 SO -1 -1 -1 -1 -1 -1 287.TIF ENTIRE BAY 1941 3 24 18 22 SO -1 -1 -1 -1 -1 -1 288.TIF 1941 3 31 -1 -1 SO -1 -1 RT -1 -1 -1 -1 289.TIF 1941 4 7 -1 -1 SO -1 -1 -1 -1 -1 -1 290.TIF SOUTH OF GRAVELLY SHOAL 1941 4 14 -1 -1 SI -1 -1 -1 -1 -1 -1 291.TIF TO 10Mi OUT FROM RIVER MOUTH 1942 3 9 14 -1 -1 -1 -1 -1 -1 -1 292.TIF 1942 3 16 -1 -1 SO -1 -1 -1 -1 -1 -1 293.TIF 1942 3 23 -1 -1 DI -1 -1 -1 -1 -1 -1 294.TIF 1942 3 30 -1 -1 DI -1 -1 -1 -1 -1 -1 295.TIF 1943 3 1 14 18 HF -1 -1 -1 -1 -1 -1 298.TIF EAST TO CHARITY ISLANDS 1943 3 8 15 18 -1 -1 -1 -1 -1 -1 299.TIF 1943 3 15 -1 -1 IP -1 -1 -1 -1 -1 -1 300.TIF TO BEYOND THE CHARITY ISLANDS 1943 3 22 -1 -1 BK -1 -1 -1 -1 -1 -1 301.TIF 1943 3 29 -1 -1 BK -1 -1 -1 -1 -1 -1 302.TIF TO CHARITY ISLANDS 1943 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 303.TIF 1944 3 20 -1 -1 LI -1 -1 -1 -1 -1 -1 310.TIF EXCEPT AT GRAVELLY POINT 1944 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 311.TIF TO 18Mi OUT FROM RIVER MOUTH 1945 3 19 -1 -1 LI -1 -1 SI -1 -1 -1 -1 315.TIF 1945 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 316.TIF 1946 3 11 15 18 RT -1 -1 -1 -1 -1 -1 319.TIF TO CHARITY ISLANDS 1946 3 18 14 -1 RT -1 -1 -1 -1 -1 -1 320.TIF 1946 3 25 -1 -1 HF -1 -1 BK -1 -1 -1 -1 321.TIF 1947 3 3 14 21 SO -1 -1 CL -1 -1 -1 -1 326.TIF 1947 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 327.TIF 1947 3 17 22 -1 RT -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 10 22 SO -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 10 18 -1 -1 -1 -1 -1 -1 330.TIF 1947 4 7 -1 -1 LF -1 -1 -1 -1 -1 -1 331.TIF 1947 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 332.TIF 1948 3 8 16 18 SO -1 -1 CL -1 -1 -1 -1 335.TIF TO BEYOND CHARITY ISLANDS 1948 3 15 18 24 SO -1 -1 -1 -1 -1 -1 336.TIF 1948 3 22 16 -1 RT -1 -1 -1 -1 -1 -1 337.TIF 1948 3 29 14 -1 BK -1 -1 WI -1 -1 -1 -1 338.TIF 1948 4 5 -1 -1 LF -1 -1 DI -1 -1 -1 -1 339.TIF 1949 2 28 -1 -1 SO -1 -1 CL -1 -1 -1 -1 527.TIF 1949 3 7 8 11 -1 -1 -1 -1 -1 -1 342.TIF 1949 3 14 8 10 BK -1 -1 -1 -1 -1 -1 344.TIF 1949 3 21 16 -1 -1 -1 -1 -1 -1 -1 346.TIF 1949 3 28 -1 -1 LI -1 -1 LF -1 -1 -1 -1 347.TIF 1950 3 6 10 -1 -1 -1 -1 -1 -1 -1 350.TIF 1950 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 351.TIF 1950 3 20 16 -1 SO -1 -1 CL -1 -1 -1 -1 352.TIF 1950 3 27 -1 -1 BK -1 -1 RT -1 -1 -1 -1 353.TIF 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 1951 3 5 -1 -1 LI -1 -1 -1 -1 -1 -1 360.TIF (10% ICE COVER) 1951 3 12 10 12 LF -1 -1 -1 -1 -1 -1 361.TIF 1951 3 19 12 -1 RT -1 -1 DI -1 -1 -1 -1 362.TIF FOR 18Mi OUT FROM RIVER MOUTH 1951 3 26 -1 -1 HF -1 -1 -1 -1 -1 -1 363.TIF OUTSIDE BUOY TO RIVER MOUTH 1951 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 364.TIF 1952 2 25 12 18 -1 -1 -1 -1 -1 -1 367.TIF TO CHARITY ISLANDS 1952 2 25 -1 -1 HF -1 -1 -1 -1 -1 -1 367.TIF SHORE: BEYOND CHARITY ISLANDS 1952 3 3 12 14 -1 -1 -1 -1 -1 -1 368.TIF 1952 3 10 12 15 WI -1 -1 -1 -1 -1 -1 369.TIF 1952 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 370.TIF 1952 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 371.TIF 1953 2 24 -1 -1 RT -1 -1 SW -1 -1 -1 -1 375.TIF 1953 3 2 5 7 DI -1 -1 PI -1 -1 -1 -1 528.TIF 1953 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 378.TIF TO 3Mi OUT FROM RIVER 1953 3 16 -1 -1 LF -1 -1 -1 -1 -1 -1 378.TIF BEYOND 3Mi OUT FROM RIVER 1953 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 379.TIF 1954 3 1 -1 -1 SO -1 -1 -1 -1 -1 -1 381.TIF BEYOND 1/2Mi OUT 1954 3 8 -1 -1 SO -1 -1 -1 -1 -1 -1 382.TIF 1954 3 8 -1 -1 LF -1 -1 DI -1 -1 -1 -1 382.TIF LAKE 1954 3 8 12 -1 WI -1 -1 -1 -1 -1 -1 382.TIF TO 14Mi OUT 1954 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 384.TIF FROM RIVER: TO 1/2Mi INTO BAY 1954 3 22 -1 -1 IP -1 -1 RT -1 -1 -1 -1 384.TIF 1954 3 29 -1 -1 OW -1 -1 BV -1 -1 -1 -1 385.TIF 1954 3 29 -1 -1 FD -1 -1 DI -1 -1 -1 -1 385.TIF 8 TO 10Mi OUT 1954 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 386.TIF 1955 2 28 20 24 -1 -1 -1 -1 -1 -1 389.TIF 1955 2 28 -1 -1 IP -1 -1 -1 -1 -1 -1 389.TIF TO CHARITY ISLANDS 1955 3 7 -1 -1 SO -1 -1 BV -1 -1 -1 -1 391.TIF BEYOND 1/2Mi OUT 1955 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 391.TIF RIVER CHANNEL 1955 3 14 18 -1 RT -1 -1 SW -1 -1 -1 -1 393.TIF 1955 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 393.TIF RIVER: TO 10Mi OUT 1955 3 21 14 16 RT -1 -1 -1 -1 -1 -1 394.TIF 1955 3 28 -1 -1 BK -1 -1 -1 -1 -1 -1 395.TIF (CUT) 1956 2 27 15 16 SO -1 -1 SM -1 -1 -1 -1 397.TIF 1956 3 5 17 -1 RT -1 -1 -1 -1 -1 -1 399.TIF 1956 3 19 -1 -1 FD -1 -1 DI -1 -1 -1 -1 402.TIF NORTH END 1956 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 402.TIF RIVER MOUTH: TO 3Mi NORTH 1956 3 19 -1 -1 FD -1 -1 DI -1 -1 -1 -1 402.TIF BEYOND 3Mi N OF RIVER MOUTH 1956 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 402.TIF RIVER CHANNEL 1956 3 26 -1 -1 HF -1 -1 DI -1 -1 SW -1 -1 403.TIF NORTH END OF BAY 1956 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 403.TIF RIVER MOUTH: TO 2Mi NORTH 1956 3 26 -1 -1 FD -1 -1 RT -1 -1 -1 -1 403.TIF BEYOND 2Mi N OF RIVER MOUTH 1956 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 403.TIF LOWER END 1956 4 2 -1 -1 LF -1 -1 DI -1 -1 -1 -1 404.TIF NORTH END OF BAY 1956 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 405.TIF 1957 3 4 -1 -1 DI -1 -1 PN -1 -1 BV -1 -1 409.TIF 1957 3 11 12 14 SM -1 -1 -1 -1 -1 -1 411.TIF 1957 3 25 -1 -1 LI -1 -1 DI -1 -1 -1 -1 413.TIF 1958 2 24 18 -1 SO -1 -1 BV -1 -1 -1 -1 416.TIF 1958 3 3 -1 -1 HF -1 -1 DI -1 -1 -1 -1 417.TIF BAY ENTRANCE 1958 3 10 -1 -1 RT -1 -1 -1 -1 -1 -1 418.TIF 1958 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 419.TIF RIVER CHANNEL: TO 2Mi INTO BAY 1958 3 17 12 -1 -1 -1 -1 -1 -1 -1 419.TIF 1958 3 24 -1 -1 HF -1 -1 BK -1 -1 -1 -1 420.TIF (CUT) 1958 3 24 13 -1 HF -1 -1 -1 -1 -1 -1 420.TIF CENTER OF BAY 1958 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 420.TIF OUTER BAY 1959 3 2 30 -1 SO -1 -1 CL -1 -1 -1 -1 424.TIF 1959 3 9 -1 -1 RT -1 -1 -1 -1 -1 -1 425.TIF 1959 3 23 -1 -1 SO -1 -1 SM -1 -1 -1 -1 427.TIF SW OF PT. LOOKOUT/CHARITY ISL. 1959 3 23 -1 -1 LF -1 -1 DI -1 -1 -1 -1 427.TIF NE OF PT. LOOKOUT/CHARITY ISL. 1959 4 6 -1 -1 FD -1 -1 DI -1 -1 -1 -1 430.TIF BELOW GRAVELLY SHOAL (90% ICE) 1960 2 19 8 12 SO -1 -1 -1 -1 -1 -1 523.TIF 1960 2 29 -1 -1 SO -1 -1 -1 -1 -1 -1 522.TIF 1960 3 7 13 -1 IP -1 -1 BV -1 -1 -1 -1 434.TIF 1960 3 14 13 -1 -1 -1 -1 -1 -1 -1 435.TIF 1960 3 28 -1 -1 SO -1 -1 -1 -1 -1 -1 437.TIF 1960 3 28 -1 -1 FD -1 -1 DI -1 -1 -1 -1 437.TIF LAKE 1960 4 11 -1 -1 FS -1 -1 -1 -1 -1 -1 439.TIF WHITESTONE PT. TO L. CHARITY 1961 2 27 20 -1 -1 -1 -1 -1 -1 -1 440.TIF 1961 2 27 -1 -1 OW -1 -1 -1 -1 -1 -1 440.TIF CHANNEL & RIVER TO 1Mi INTO BA 1961 3 6 -1 -1 SO -1 -1 SM -1 -1 SW -1 -1 441.TIF 1961 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 442.TIF TO 1/2Mi OUT FROM RIVER MOUTH 1961 3 20 -1 -1 IP -1 -1 SW -1 -1 -1 -1 443.TIF UPPER BAY (70% ICE COVER) 1961 3 27 -1 -1 RT -1 -1 -1 -1 -1 -1 444.TIF 1962 2 26 18 -1 SO -1 -1 -1 -1 -1 -1 447.TIF 1962 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 448.TIF 1962 3 12 18 30 -1 -1 -1 -1 -1 -1 449.TIF 1962 3 19 -1 -1 SO -1 -1 -1 -1 -1 -1 450.TIF 1962 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 451.TIF RIVER: TO 1/2Mi INTO BAY 1962 4 2 -1 -1 BK -1 -1 DC -1 -1 -1 -1 452.TIF 1962 4 9 -1 -1 LF -1 -1 LI -1 -1 -1 -1 453.TIF 1963 2 25 24 30 SO -1 -1 SM -1 -1 -1 -1 456.TIF 1963 3 4 24 30 SO -1 -1 -1 -1 -1 -1 457.TIF 1963 3 11 24 30 SO -1 -1 -1 -1 -1 -1 458.TIF 1963 3 25 15 24 BK -1 -1 -1 -1 -1 -1 460.TIF ALONG LCA COURSE (CUT) 1963 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 462.TIF 1964 3 9 -1 -1 LF -1 -1 DI -1 -1 -1 -1 467.TIF 1964 3 16 -1 -1 DI -1 -1 PN -1 -1 -1 -1 468.TIF 1964 3 23 -1 -1 DI -1 -1 PN -1 -1 -1 -1 469.TIF 1965 2 23 -1 -1 SO -1 -1 -1 -1 -1 -1 473.TIF 1965 3 1 -1 -1 FS -1 -1 CL -1 -1 SW -1 -1 474.TIF 1965 3 8 -1 -1 FD -1 -1 FS -1 -1 SW -1 -1 475.TIF 1965 3 15 -1 -1 SO -1 -1 -1 -1 -1 -1 476.TIF 1965 3 22 12 -1 NI 2 4 -1 -1 -1 -1 477.TIF (90% ICE COVER) 1965 4 5 -1 -1 FD -1 -1 FS -1 -1 SC -1 -1 479.TIF W HALF 1965 4 5 -1 -1 FD -1 -1 DI -1 -1 -1 -1 479.TIF E HALF 1965 4 12 -1 -1 BK -1 -1 RT -1 -1 -1 -1 480.TIF 1966 3 14 9 -1 FS -1 -1 RT -1 -1 WI -1 -1 485.TIF (80% ICE COVER) 1966 3 21 9 -1 DI -1 -1 RT -1 -1 -1 -1 486.TIF (10 TO 20% ICE COVER) 1967 2 27 -1 -1 FS -1 -1 -1 -1 -1 -1 489.TIF 1967 3 6 -1 -1 FS -1 -1 SW -1 -1 -1 -1 490.TIF ALONG NE SHORE 1967 3 13 -1 -1 FS -1 -1 SC -1 -1 -1 -1 491.TIF 1967 3 20 -1 -1 SO -1 -1 SW -1 -1 -1 -1 492.TIF 1967 3 27 20 -1 FS -1 -1 -1 -1 -1 -1 493.TIF 1967 3 27 -1 -1 SO -1 -1 RT -1 -1 WT -1 -1 493.TIF 1967 4 3 -1 -1 SW -1 -1 -1 -1 -1 -1 494.TIF 1967 4 5 -1 -1 -1 -1 -1 -1 -1 -1 496.TIF PORT OPENING 1967 4 10 5 -1 BI -1 -1 SI -1 -1 -1 -1 495.TIF E HALF 1968 2 26 -1 -1 SO -1 -1 -1 -1 -1 -1 521.TIF 1968 3 4 -1 -1 FS -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 -1 -1 FS -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 8 13 DI -1 -1 BK -1 -1 -1 -1 498.TIF 1968 3 25 -1 -1 FS -1 -1 -1 -1 -1 -1 499.TIF (90% ICE COVER) 1969 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 14 -1 FS -1 -1 FD -1 -1 -1 -1 504.TIF 1969 3 10 14 -1 FS -1 -1 FD -1 -1 -1 -1 505.TIF 1969 3 24 -1 -1 RT -1 -1 SW -1 -1 -1 -1 507.TIF W END 1969 3 31 -1 -1 LF -1 -1 DI 10 -1 -1 -1 508.TIF 1969 4 7 -1 -1 LI -1 -1 DI -1 -1 PN -1 -1 509.TIF 1970 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 519.TIF UPPER BAY 1970 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 518.TIF UPPER BAY 1970 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 511.TIF UPPER BAY 1970 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 512.TIF UPPER BAY 1970 3 31 -1 -1 LI -1 -1 -1 -1 -1 -1 514.TIF EXCEPT E SHORE 1970 3 31 -1 -1 RT -1 -1 -1 -1 -1 -1 514.TIF E SHORE 1970 4 7 -1 -1 DI -1 -1 IJ -1 -1 -1 -1 515.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.