GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 498, Approximate Location: 44.71 N. Latitude, 75.47 W. Longitude Site Name St. Lawrence River on St. Lawrence River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1899 4 18 -1 -1 SO -1 -1 -1 -1 -1 -1 001.TIF HEAD OF RIVER 1899 4 22 -1 -1 RI -1 -1 -1 -1 -1 -1 002.TIF 1900 4 17 -1 -1 HF -1 -1 RI -1 -1 -1 -1 010.TIF 1908 4 7 -1 -1 RI -1 -1 -1 -1 -1 -1 061.TIF 1908 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 062.TIF 1916 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 119.TIF 1919 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 139.TIF 1927 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 187.TIF HARBORS 1927 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 188.TIF 1927 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 189.TIF 1930 3 4 -1 -1 SW -1 -1 -1 -1 -1 -1 202.TIF 1931 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 213.TIF 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 1934 3 6 18 26 -1 -1 -1 -1 -1 -1 228.TIF EXCEPT IN SWIFT MIDCHANNEL 1934 3 20 -1 -1 SW -1 -1 -1 -1 -1 -1 230.TIF WEST OF BROCKVILLE 1934 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 231.TIF 2Mi EAST OF BROCKVILLE 1934 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 232.TIF MAIN CHANNEL: TO OGDENSBURG 1934 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 233.TIF TO PRESCOTT 1934 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 234.TIF TO AT LEAST OGDENSBURG 1934 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 235.TIF AT LEAST TO OGDENSBURG 1935 3 5 22 -1 SO -1 -1 -1 -1 -1 -1 237.TIF FAR DOWNSTREAM 1935 3 19 -1 -1 IP -1 -1 -1 -1 -1 -1 239.TIF ENTRANCE 1935 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 241.TIF ENTRANCE 1935 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 241.TIF DOWN TO AT LEAST PRESCOTT 1935 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 242.TIF AT LEAST DOWN TO OGDENSBURG 1935 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 243.TIF AT LEAST DOWN TO PRESCOTT 1936 3 10 3 15 SO -1 -1 -1 -1 -1 -1 244.TIF CHANNEL 1936 3 17 -1 -1 RT -1 -1 SW -1 -1 -1 -1 245.TIF 1936 3 23 -1 -1 BK -1 -1 RT -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 MAIN CHANNEL TO PRESCOTT 1937 3 8 -1 -1 IP -1 -1 -1 -1 -1 -1 254.TIF BAYS & SECONDARY CHANNELS 1937 3 15 2 -1 SW -1 -1 -1 -1 -1 -1 255.TIF MAIN CHANNEL 1937 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 257.TIF MAIN CHANNEL TO OGDENSBURG 1937 3 29 -1 -1 IP -1 -1 -1 -1 -1 -1 257.TIF BAYS AND ALONG BANK 1937 4 5 -1 -1 LI -1 -1 RI -1 -1 -1 -1 258.TIF CHANNEL 1937 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 259.TIF 1938 3 7 2 4 SW -1 -1 -1 -1 -1 -1 261.TIF MAIN CHANNEL 1938 3 7 18 -1 SW -1 -1 -1 -1 -1 -1 261.TIF HARBORS 1938 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 264.TIF AT LEAST DOWN TO PRESCOTT 1938 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 265.TIF AT LEAST DOWN TO OGDENSBURG 1938 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 266.TIF AT LEAST DOWN TO PRESCOTT 1939 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 269.TIF EXCEPT CHANNEL AT OGDENSBURG 1939 3 20 -1 -1 SO -1 -1 -1 -1 -1 -1 270.TIF 1939 3 27 -1 -1 DC -1 -1 -1 -1 -1 -1 271.TIF 1939 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 273.TIF BROCKVILLE TO NEAR OGDENSBURG 1939 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 274.TIF TO AT LEAST OGDENSBURG 1939 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 275.TIF DOWN TO BELOW PRESCOTT 1939 5 1 -1 -1 LI -1 -1 -1 -1 -1 -1 276.TIF 1940 3 11 15 -1 -1 -1 -1 -1 -1 -1 278.TIF HARBORS 1940 3 18 -1 -1 RT -1 -1 SW -1 -1 -1 -1 279.TIF 1940 3 18 12 17 -1 -1 -1 -1 -1 -1 279.TIF HARBORS 1940 3 24 8 -1 -1 -1 -1 -1 -1 -1 280.TIF LOWER RIVER 1940 4 1 -1 -1 IP -1 -1 RT -1 -1 -1 -1 281.TIF LOWER RIVER 1940 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 283.TIF TO BEYOND OGDENSBURG 1940 4 22 -1 -1 OW -1 -1 -1 -1 -1 -1 284.TIF AT LEAST DOWN TO PRESCOTT 1941 3 31 -1 -1 RT -1 -1 -1 -1 -1 -1 289.TIF SHORE ICE 1941 4 7 -1 -1 LI -1 -1 -1 -1 -1 -1 290.TIF 1941 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 291.TIF AT LEAST DOWN TO OGDENSBURG 1942 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 292.TIF ABOVE OGDENSBURG 1942 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 294.TIF MAIN CHANNEL: TO OGDENSBURG 1942 3 23 -1 -1 DI -1 -1 -1 -1 -1 -1 294.TIF SHELTERED BAYS 1942 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 295.TIF DOWN TO PRESCOTT 1943 3 1 6 24 SO -1 -1 -1 -1 -1 -1 298.TIF MOST OF RIVER 1943 3 29 -1 -1 IP -1 -1 -1 -1 -1 -1 302.TIF BAYS 1943 4 19 -1 -1 OW -1 -1 -1 -1 -1 -1 305.TIF AT LEAST DOWN TO PRESCOTT 1943 4 26 -1 -1 OW -1 -1 -1 -1 -1 -1 306.TIF AT LEAST DOWN TO OGDENSBURG 1944 3 6 14 -1 -1 -1 -1 -1 -1 -1 308.TIF BAYS 1944 3 6 4 6 -1 -1 -1 -1 -1 -1 308.TIF MAIN CHANNEL 1944 3 13 16 -1 -1 -1 -1 -1 -1 -1 309.TIF IN BAYS 1944 3 20 -1 -1 IP -1 -1 -1 -1 -1 -1 310.TIF IN BAYS 1944 3 27 -1 -1 IP -1 -1 -1 -1 -1 -1 311.TIF IN BAYS 1944 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 311.TIF DOWN TO BELOW PRESCOTT 1944 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 312.TIF DOWN TO & BEYOND OGDENSBURG 1944 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 313.TIF TO BEYOND OGDENSBURG 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 AT LEAST DOWN TO OGDENSBURG 1945 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 316.TIF AT LEAST DOWN TO OGDENSBURG 1945 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 317.TIF 1946 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 321.TIF MAIN CHANNEL 1946 3 25 -1 -1 RT -1 -1 -1 -1 -1 -1 321.TIF SHELTERED BAYS 1946 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 322.TIF 1947 3 3 3 5 -1 -1 -1 -1 -1 -1 326.TIF MAIN CHANNEL 1947 3 24 -1 -1 SW -1 -1 -1 -1 -1 -1 329.TIF MAIN CHANNEL 1947 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 330.TIF MORRISTOWN 1947 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 331.TIF MAIN CHANNEL 1947 4 7 -1 -1 RT -1 -1 -1 -1 -1 -1 331.TIF ALONG SHORE 1947 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 332.TIF EXCEPT IN SHELTERED AREAS 1947 4 14 -1 -1 LF -1 -1 RT -1 -1 -1 -1 332.TIF IN SHELTERED AREAS 1947 4 21 -1 -1 LI -1 -1 DI -1 -1 -1 -1 333.TIF 1948 3 1 -1 -1 RT -1 -1 SW -1 -1 -1 -1 334.TIF MAIN CHANNEL 1948 3 15 12 15 SO -1 -1 -1 -1 -1 -1 336.TIF 1948 3 15 -1 -1 SW -1 -1 -1 -1 -1 -1 336.TIF NORTH OF ALEXANDRIA 1948 3 22 -1 -1 RI -1 -1 -1 -1 -1 -1 337.TIF MAIN CHANNEL 1948 3 29 -1 -1 LI -1 -1 DI -1 -1 -1 -1 338.TIF 1948 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 339.TIF 1949 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 342.TIF MAIN CHANNEL 1949 3 7 -1 -1 LF -1 -1 -1 -1 -1 -1 342.TIF ALONG SHORE 1949 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 344.TIF MAIN CHANNEL 1949 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 346.TIF MAIN CHANNEL 1949 3 21 -1 -1 DI -1 -1 -1 -1 -1 -1 346.TIF ALONG SHORE 1950 2 27 2 6 SO -1 -1 -1 -1 -1 -1 349.TIF MAIN CHANNEL 1950 2 27 6 10 SO -1 -1 -1 -1 -1 -1 349.TIF SHORE & BAYS 1950 3 13 6 10 SW -1 -1 -1 -1 -1 -1 351.TIF MAIN CHANNEL 1950 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 354.TIF 1950 4 10 -1 -1 DI -1 -1 BK -1 -1 SW -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 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 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 370.TIF MAIN CHANNEL 1952 3 17 -1 -1 IP -1 -1 -1 -1 -1 -1 370.TIF ALONG SHORE 1952 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 371.TIF MAIN CHANNEL 1952 3 31 -1 -1 LI -1 -1 DI -1 -1 -1 -1 372.TIF 1952 4 7 -1 -1 LI -1 -1 -1 -1 -1 -1 373.TIF 1953 2 24 -1 -1 DI -1 -1 BK -1 -1 -1 -1 375.TIF TO 200FT OUT FROM SHORE 1953 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 378.TIF MAIN CHANNEL 1953 3 16 3 5 RT -1 -1 -1 -1 -1 -1 378.TIF ALONG SHORE 1953 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 379.TIF 1954 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 383.TIF MAIN CHANNEL 1954 3 15 -1 -1 LF -1 -1 DI -1 -1 -1 -1 383.TIF ALONG SHORES & PROTECTED AREAS 1954 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 385.TIF ENTIRE LENGTH 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 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 396.TIF 1956 2 27 10 -1 RT -1 -1 WT -1 -1 -1 -1 398.TIF 1956 4 9 -1 -1 LF -1 -1 RI -1 -1 -1 -1 405.TIF 1956 4 9 -1 -1 IP -1 -1 -1 -1 -1 -1 405.TIF IN SHELTERED AREAS 1956 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 406.TIF 1957 2 25 6 10 -1 -1 -1 -1 -1 -1 408.TIF SHORE TO SHORE 1957 2 25 12 15 -1 -1 -1 -1 -1 -1 408.TIF BAYS 1957 3 25 -1 -1 LI -1 -1 -1 -1 -1 -1 413.TIF 1957 4 1 -1 -1 LI -1 -1 -1 -1 -1 -1 414.TIF 1958 2 24 -1 -1 LF -1 -1 -1 -1 -1 -1 416.TIF MAIN CHANNEL 1958 3 3 -1 -1 LI -1 -1 -1 -1 -1 -1 417.TIF MAIN CHANNEL 1958 3 31 -1 -1 LI -1 -1 -1 -1 -1 -1 421.TIF BAYS 1958 4 7 -1 -1 LI -1 -1 -1 -1 -1 -1 422.TIF 1959 4 13 -1 -1 LI -1 -1 -1 -1 -1 -1 431.TIF 1960 3 14 12 18 SO -1 -1 -1 -1 -1 -1 435.TIF BAYS 1960 3 21 10 12 SO -1 -1 -1 -1 -1 -1 436.TIF BAYS 1960 3 28 10 12 SO -1 -1 -1 -1 -1 -1 437.TIF BAYS 1960 4 4 -1 -1 SO -1 -1 RT -1 -1 -1 -1 438.TIF BAYS 1960 4 11 -1 -1 IP -1 -1 -1 -1 -1 -1 439.TIF MORRISBURG TO BEAUHARNOIS 1960 4 11 -1 -1 FS -1 -1 SW -1 -1 -1 -1 439.TIF GRINDSTONE ISLAND 1961 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 441.TIF WESTERN SECTIONS 1961 3 13 -1 -1 LF -1 -1 DI -1 -1 -1 -1 442.TIF WESTERN SECTIONS 1961 3 20 12 15 -1 -1 -1 -1 -1 -1 443.TIF SHORE: TO 1/8Mi INTO CHANNEL 1961 3 20 -1 -1 DI -1 -1 BK -1 -1 SW -1 -1 443.TIF MAIN CHANNEL 1961 3 20 16 -1 SO -1 -1 DI -1 -1 IJ -1 -1 443.TIF WESTERN ENTRANCE TO CHANNEL 1961 3 27 -1 -1 FS -1 -1 DI -1 -1 IJ -1 -1 444.TIF WESTERN ENTRANCE 1961 3 27 -1 -1 BK -1 -1 RT -1 -1 -1 -1 444.TIF CARLETON ISLAND 1961 3 27 -1 -1 SW -1 -1 -1 -1 -1 -1 444.TIF GRINDSTONE ISLAND 1961 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 445.TIF MAIN CHANNEL: TO IROQUOIS LOCK 1961 4 3 -1 -1 IP -1 -1 -1 -1 -1 -1 445.TIF IN SOME BAYS 1962 3 12 -1 -1 SI -1 -1 BV -1 -1 -1 -1 449.TIF BELOW LOCK #15 1962 3 26 -1 -1 RT -1 -1 SL 2 7 -1 -1 451.TIF 1962 4 2 -1 -1 RT -1 -1 -1 -1 -1 -1 452.TIF 1962 4 9 -1 -1 LI -1 -1 RI -1 -1 -1 -1 453.TIF 1962 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 454.TIF 1963 3 18 -1 -1 SW -1 -1 -1 -1 -1 -1 459.TIF ST. HELENS ISL. TO SEAWAY DYKE 1963 3 25 -1 -1 SO -1 -1 -1 -1 -1 -1 460.TIF ENTRANCE 1963 3 25 -1 -1 SW -1 -1 -1 -1 -1 -1 460.TIF SEAWAY CHANNEL TO END OF DYKE 1963 4 1 -1 -1 BK -1 -1 -1 -1 -1 -1 461.TIF ST. LAMBERT LOCK: CHANNEL 1963 4 8 -1 -1 LF -1 -1 RT -1 -1 DI -1 -1 462.TIF ALL CHANNELS 1963 4 15 -1 -1 LI -1 -1 -1 -1 -1 -1 463.TIF 1964 3 16 -1 -1 IJ -1 -1 -1 -1 -1 -1 468.TIF EXPO 67 DYKES 1964 3 30 -1 -1 LI -1 -1 DI -1 -1 SI -1 -1 470.TIF 1964 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 471.TIF CHANNEL 1964 4 6 -1 -1 LF -1 -1 FS -1 -1 -1 -1 471.TIF ALONG SHORE 1964 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 472.TIF 1965 3 22 -1 -1 RT -1 -1 -1 -1 -1 -1 477.TIF BAYS 1965 4 8 -1 -1 -1 -1 -1 -1 -1 -1 482.TIF PORT OPENING 1965 4 12 -1 -1 IP -1 -1 -1 -1 -1 -1 480.TIF IN BAYS 1965 4 19 -1 -1 SI -1 -1 -1 -1 -1 -1 481.TIF 1966 3 28 -1 -1 LF -1 -1 -1 -1 -1 -1 487.TIF ALONG SHORE 1966 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 488.TIF CHANNEL 1966 4 4 -1 -1 FS -1 -1 -1 -1 -1 -1 488.TIF ALONG SHORE 1967 2 27 10 14 -1 -1 -1 -1 -1 -1 489.TIF MOST OF RIVER 1967 2 27 -1 -1 SW -1 -1 -1 -1 -1 -1 489.TIF CHANNEL 1967 3 6 -1 -1 IJ -1 -1 -1 -1 -1 -1 490.TIF CHANNELS 1967 3 13 -1 -1 IJ -1 -1 -1 -1 -1 -1 491.TIF MOST CHANNELS 1967 3 27 -1 -1 RT -1 -1 SW -1 -1 -1 -1 493.TIF W END 1967 4 7 -1 -1 -1 -1 -1 -1 -1 -1 496.TIF PORT OPENING 1967 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 495.TIF CHANNEL 1967 4 10 -1 -1 LF -1 -1 BK -1 -1 -1 -1 495.TIF OUT OF CHANNEL 1967 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 496.TIF 1968 2 26 -1 -1 SO -1 -1 -1 -1 -1 -1 521.TIF ENTRANCE 1968 2 26 24 -1 -1 -1 -1 -1 -1 -1 521.TIF BARTLETT PT. TO THOUSAND ISL. 1968 2 26 9 -1 -1 -1 -1 -1 -1 -1 521.TIF THOUSAND ISLE TO WHISKEY SH. 1968 3 4 20 28 -1 -1 -1 -1 -1 -1 520.TIF AREAS OF WEAK CURRENT 1968 3 4 3 10 SW -1 -1 -1 -1 -1 -1 520.TIF AREAS OF STRONG CURRENT 1968 3 18 -1 -1 SO -1 -1 SC -1 -1 -1 -1 498.TIF DOWNSTREAM FROM PRESCOTT 1968 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 499.TIF CHANNEL: ABOVE L. ST. FRANCIS 1968 3 25 -1 -1 RT -1 -1 -1 -1 -1 -1 499.TIF ALONG SHORE 1968 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 500.TIF CHANNEL 1968 4 1 -1 -1 RT -1 -1 -1 -1 -1 -1 500.TIF ALONG SHORE 1968 4 8 -1 -1 LI -1 -1 LF -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 IJ -1 -1 SW -1 -1 -1 -1 503.TIF 1969 3 3 -1 -1 IJ -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 -1 -1 SO -1 -1 IJ -1 -1 -1 -1 505.TIF 1969 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 507.TIF UPPER CHANNEL 1969 3 24 -1 -1 DI -1 -1 RT -1 -1 -1 -1 507.TIF ALONG SHORE 1969 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 508.TIF UPPER RIVER: SHORE TO SHORE 1969 4 7 -1 -1 DI -1 -1 -1 -1 -1 -1 509.TIF IN CHANNELS 1969 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 510.TIF 1970 2 24 -1 -1 HF -1 -1 IJ -1 -1 WI -1 -1 519.TIF ALONG SHORE 1970 2 24 -1 -1 LF -1 -1 SW -1 -1 -1 -1 519.TIF CHANNEL 1970 3 3 18 -1 -1 -1 -1 -1 -1 -1 518.TIF TIBBETS PT. TO CARLTON ISLAND 1970 3 3 6 -1 -1 -1 -1 -1 -1 -1 518.TIF BARTLETT PT. TO THOUSAND ISL. 1970 3 10 14 -1 -1 -1 -1 -1 -1 -1 511.TIF TIBBETS PT. TO CARLTON ISLAND 1970 3 10 5 -1 -1 -1 -1 -1 -1 -1 511.TIF BARTLETT PT. TO THOUSAND ISL. 1970 3 10 4 -1 SW -1 -1 -1 -1 -1 -1 511.TIF THOUSAND ISL. TO WHISKEY ISL. 1970 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 511.TIF ABOVE LOCK #15 1970 3 10 -1 -1 IP -1 -1 -1 -1 -1 -1 511.TIF BELOW LOCK #15: ALONG SHORE 1970 3 10 -1 -1 SW -1 -1 -1 -1 -1 -1 511.TIF BELOW LOCK #15: MIDSTREAM 1970 3 17 14 -1 -1 -1 -1 -1 -1 -1 512.TIF TIBBETS PT. TO CARLTON ISLAND 1970 3 17 5 -1 -1 -1 -1 -1 -1 -1 512.TIF BARTLETT PT. TO THOUSAND ISL. 1970 3 17 4 -1 SW -1 -1 -1 -1 -1 -1 512.TIF THOUSAND ISL. TO WHISKEY ISL. 1970 3 24 -1 -1 RT -1 -1 IJ -1 -1 -1 -1 513.TIF 1970 3 31 -1 -1 RT -1 -1 SW -1 -1 -1 -1 514.TIF 1970 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 515.TIF CHANNEL 1970 4 7 -1 -1 DI -1 -1 -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.