GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 139, Approximate Location: 45.50 N. Latitude, 81.00 W. Longitude Site Name Georgian Bay on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1931 4 7 -1 -1 FD -1 -1 -1 -1 -1 -1 214.TIF 1933 3 14 -1 -1 IN -1 -1 -1 -1 -1 -1 221.TIF TO 2Mi OUT FROM CANADIAN SHORE 1934 3 6 20 48 SO -1 -1 -1 -1 -1 -1 228.TIF 1934 3 13 44 -1 SO -1 -1 -1 -1 -1 -1 229.TIF 1934 4 10 12 24 -1 -1 -1 -1 -1 -1 233.TIF HARBORS 1934 5 1 -1 -1 SO -1 -1 -1 -1 -1 -1 236.TIF SHORE: TO SOME DISTANCE OUT 1935 3 5 -1 -1 IP -1 -1 -1 -1 -1 -1 237.TIF ENTIRE BAY 1935 3 12 16 28 IP -1 -1 BV -1 -1 -1 -1 238.TIF 1935 3 26 13 18 -1 -1 -1 -1 -1 -1 240.TIF HARBORS 1935 3 26 22 -1 -1 -1 -1 -1 -1 -1 240.TIF NORTHERN AREAS 1935 4 9 -1 -1 SW -1 -1 -1 -1 -1 -1 242.TIF 1936 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 244.TIF ENTIRE BAY 1936 3 17 -1 -1 SO -1 -1 BV -1 -1 -1 -1 245.TIF ALL STATIONS EXCEPT OWEN SOUND 1936 3 23 -1 -1 IP -1 -1 BV -1 -1 -1 -1 246.TIF MOST PORTS 1936 3 30 10 20 -1 -1 -1 -1 -1 -1 247.TIF HARBORS 1936 4 6 16 20 -1 -1 -1 -1 -1 -1 248.TIF HARBORS 1937 3 8 8 15 -1 -1 -1 -1 -1 -1 254.TIF HARBORS 1937 3 15 8 22 -1 -1 -1 -1 -1 -1 255.TIF HARBORS 1937 3 15 -1 -1 IP -1 -1 BV -1 -1 -1 -1 255.TIF MANY STATIONS 1937 4 5 8 16 -1 -1 -1 -1 -1 -1 258.TIF HARBORS 1937 4 19 -1 -1 LI -1 -1 -1 -1 -1 -1 260.TIF 1938 3 7 -1 -1 SO -1 -1 BV -1 -1 -1 -1 261.TIF 1938 3 14 6 18 -1 -1 -1 -1 -1 -1 262.TIF HARBORS 1938 3 21 12 14 -1 -1 -1 -1 -1 -1 263.TIF MOST OF BAY 1939 3 6 -1 -1 SO -1 -1 -1 -1 -1 -1 268.TIF 1939 3 6 10 18 -1 -1 -1 -1 -1 -1 268.TIF HARBORS 1939 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 269.TIF 1939 3 13 10 18 -1 -1 -1 -1 -1 -1 269.TIF HARBORS 1939 3 20 10 16 -1 -1 -1 -1 -1 -1 270.TIF HARBORS 1939 3 27 6 30 -1 -1 -1 -1 -1 -1 271.TIF HARBORS 1939 3 27 -1 -1 IP -1 -1 BV -1 -1 -1 -1 271.TIF ALL PORTS 1939 4 3 -1 -1 SO -1 -1 BV -1 -1 -1 -1 272.TIF 1939 4 17 -1 -1 IP -1 -1 BV -1 -1 SW -1 -1 274.TIF ALL PORTS 1939 4 17 6 15 -1 -1 -1 -1 -1 -1 274.TIF HARBORS 1939 5 1 -1 -1 HF -1 -1 -1 -1 -1 -1 276.TIF RED ROCK LIGHT 1940 3 4 -1 -1 SO -1 -1 -1 -1 -1 -1 277.TIF 1940 3 4 6 22 -1 -1 -1 -1 -1 -1 277.TIF HARBORS 1940 3 11 -1 -1 SO -1 -1 -1 -1 -1 -1 278.TIF 1940 3 11 8 20 -1 -1 -1 -1 -1 -1 278.TIF HARBORS 1940 3 24 12 18 SO -1 -1 -1 -1 -1 -1 280.TIF 1940 4 1 -1 -1 SO -1 -1 -1 -1 -1 -1 281.TIF 1940 4 1 6 15 -1 -1 -1 -1 -1 -1 281.TIF HARBORS 1940 4 8 -1 -1 RT -1 -1 -1 -1 -1 -1 282.TIF SOUTH END 1940 4 8 -1 -1 IP -1 -1 BV -1 -1 -1 -1 282.TIF ALL REPORTING STATIONS 1940 4 8 6 18 -1 -1 -1 -1 -1 -1 282.TIF HARBORS 1940 4 22 -1 -1 OW -1 -1 -1 -1 -1 -1 284.TIF HARBORS 1941 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 285.TIF 1941 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 286.TIF 1941 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 287.TIF 1941 3 24 10 18 SO -1 -1 BV -1 -1 -1 -1 288.TIF ALL PORTS 1941 3 31 20 -1 SO -1 -1 -1 -1 -1 -1 289.TIF 1941 3 31 10 16 -1 -1 -1 -1 -1 -1 289.TIF HARBORS 1941 4 7 -1 -1 SO -1 -1 -1 -1 -1 -1 290.TIF 1941 4 14 -1 -1 RT -1 -1 -1 -1 -1 -1 291.TIF 1942 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 292.TIF 1943 3 8 15 24 SO -1 -1 -1 -1 -1 -1 299.TIF BAYS & HARBORS 1943 3 22 10 24 SO -1 -1 -1 -1 -1 -1 301.TIF 1943 3 29 20 -1 SO -1 -1 -1 -1 -1 -1 302.TIF 1944 4 17 -1 -1 SO -1 -1 -1 -1 -1 -1 314.TIF 1945 3 19 -1 -1 IP -1 -1 RT -1 -1 -1 -1 315.TIF MOST OF BAY 1946 3 4 12 22 -1 -1 -1 -1 -1 -1 318.TIF MOST HARBORS 1946 3 4 -1 -1 SO -1 -1 -1 -1 -1 -1 318.TIF EASTERN HALF 1946 3 11 -1 -1 FD -1 -1 -1 -1 -1 -1 319.TIF 1946 3 25 -1 -1 IP -1 -1 CL -1 -1 RT -1 -1 321.TIF EASTERN HALF OF BAY 1947 3 3 12 14 SO -1 -1 BV -1 -1 -1 -1 326.TIF 1947 3 10 -1 -1 SO -1 -1 NC -1 -1 -1 -1 327.TIF 1947 3 17 20 30 SO -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 -1 -1 SO -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 -1 -1 SO -1 -1 -1 -1 -1 -1 330.TIF EXCEPT NEAR GEREAUX LIGHTHOUSE 1947 4 14 -1 -1 RT -1 -1 BK -1 -1 SW -1 -1 332.TIF 1947 4 21 -1 -1 BK -1 -1 SW -1 -1 -1 -1 333.TIF 1948 3 1 -1 -1 SO -1 -1 -1 -1 -1 -1 334.TIF 1948 3 8 -1 -1 SO -1 -1 -1 -1 -1 -1 335.TIF 1948 3 8 -1 -1 SW -1 -1 -1 -1 -1 -1 335.TIF OFF CAPE CROKER LIGHTHOUSE 1948 3 8 20 -1 IN -1 -1 -1 -1 -1 -1 335.TIF WEST SIDE 1948 3 15 -1 -1 SO -1 -1 IN -1 -1 -1 -1 336.TIF 1948 3 22 12 18 -1 -1 -1 -1 -1 -1 337.TIF 1948 3 29 -1 -1 RT -1 -1 SW -1 -1 -1 -1 338.TIF 1948 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 340.TIF HARBORS 1949 3 7 -1 -1 SW -1 -1 -1 -1 -1 -1 342.TIF MOST REPORTING STATIONS 1949 3 21 -1 -1 IP -1 -1 BV -1 -1 -1 -1 346.TIF MOST EAST SHORE POINTS 1949 3 28 -1 -1 IP -1 -1 -1 -1 -1 -1 347.TIF EAST SHORE AREA 1949 3 28 -1 -1 RT -1 -1 SW -1 -1 -1 -1 347.TIF 1950 2 27 -1 -1 SO -1 -1 SW -1 -1 -1 -1 349.TIF 1950 3 6 -1 -1 IP -1 -1 BV -1 -1 -1 -1 350.TIF ALL REPORTING STATIONS 1950 3 13 -1 -1 IP -1 -1 SW -1 -1 -1 -1 351.TIF LOWER BAY 1950 3 20 -1 -1 SO -1 -1 -1 -1 -1 -1 352.TIF 1950 4 3 -1 -1 RT -1 -1 -1 -1 -1 -1 354.TIF 1951 3 19 -1 -1 SO -1 -1 -1 -1 -1 -1 362.TIF MANITOULIN TO TOBERMORY 1951 3 26 -1 -1 SO -1 -1 -1 -1 -1 -1 363.TIF MOST OF BAY 1951 4 2 -1 -1 SO -1 -1 -1 -1 -1 -1 364.TIF SOUTH CHANNEL 1951 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 366.TIF ALL HARBORS 1952 2 25 -1 -1 SO -1 -1 -1 -1 -1 -1 367.TIF 1952 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 369.TIF BAY: OUTSIDE OF ISLANDS 1952 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 370.TIF MOST OF BAY 1952 3 24 -1 -1 SO -1 -1 -1 -1 -1 -1 371.TIF MOST OF BAY 1952 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 374.TIF HARBORS 1952 4 14 -1 -1 BK -1 -1 RT -1 -1 -1 -1 374.TIF 1953 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 375.TIF BIG SOUND 1953 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 376.TIF NORTH CHANNEL: TO MANITOULIN 1953 3 16 -1 -1 IP -1 -1 SW -1 -1 -1 -1 378.TIF BIG SOUND 1953 3 16 8 10 SW -1 -1 -1 -1 -1 -1 378.TIF BIG SOUND: INNER HABOR 1953 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 379.TIF BAY PROPER 1953 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 380.TIF EXCEPT IN SMALL BAYS 1954 3 1 5 17 -1 -1 -1 -1 -1 -1 381.TIF RAINS WHARF 1954 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 382.TIF LONELY ISLAND: EASTWARD 1954 4 12 -1 -1 SO -1 -1 SI -1 -1 -1 -1 387.TIF EAST SHORE: TO 5Mi OUT 1954 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 387.TIF RED ROCK LIGHT 1954 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 387.TIF COVE ISLAND 1954 4 19 -1 -1 SO -1 -1 -1 -1 -1 -1 388.TIF CARLING POINT: TO 3 STAR SHOAL 1955 3 14 -1 -1 LI -1 -1 -1 -1 -1 -1 393.TIF MAIN BAY 1955 3 21 -1 -1 LI -1 -1 -1 -1 -1 -1 394.TIF BAY PROPER 1955 4 11 -1 -1 IP -1 -1 -1 -1 -1 -1 396.TIF EAST SHORE 1955 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 396.TIF W & S SIDE 1956 3 5 -1 -1 SW -1 -1 -1 -1 -1 -1 399.TIF (40% ICE COVER) 1956 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 399.TIF ALONG SHORES 1956 3 19 -1 -1 BK -1 -1 -1 -1 -1 -1 402.TIF NORTH HALF OF BAY 1956 3 19 -1 -1 SO -1 -1 -1 -1 -1 -1 402.TIF ALONG SHORE 1956 3 26 -1 -1 BK -1 -1 -1 -1 -1 -1 403.TIF CHANNEL TO MIDLAND (CUT) 1956 3 26 -1 -1 BK -1 -1 -1 -1 -1 -1 403.TIF CHANNEL TO TIFFIN (CUT) 1956 3 26 -1 -1 BK -1 -1 -1 -1 -1 -1 403.TIF CHANNEL TO PORT MCNICOLL (CUT) 1956 4 2 25 -1 SO -1 -1 -1 -1 -1 -1 404.TIF NORTH CHANNEL: WEST ENTRANCE 1956 4 16 -1 -1 HF -1 -1 -1 -1 -1 -1 406.TIF 1957 2 25 -1 -1 HF -1 -1 -1 -1 -1 -1 407.TIF ALL E & S SIDE HARBORS 1957 4 15 -1 -1 IP -1 -1 SW -1 -1 -1 -1 415.TIF NORTH CHANNEL (80% ICE COVER ) 1958 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 417.TIF 1958 3 24 -1 -1 OW -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 N CHANNEL: ICE BREAKER CHANNEL 1958 3 31 -1 -1 SO -1 -1 PI -1 -1 -1 -1 421.TIF SOUTHEAST PORTION OF BAY 1958 4 7 -1 -1 WI 40 -1 -1 -1 -1 -1 422.TIF SAWLOG POINT 1959 3 2 -1 -1 SO -1 -1 CL -1 -1 -1 -1 424.TIF 1959 3 16 -1 -1 SO -1 -1 SW -1 -1 -1 -1 426.TIF 1959 3 23 -1 -1 SO -1 -1 RT -1 -1 -1 -1 427.TIF 1959 3 30 -1 -1 SO -1 -1 RT -1 -1 -1 -1 429.TIF 1959 4 13 -1 -1 IP -1 -1 SW -1 -1 -1 -1 431.TIF (50% ICE COVER) 1960 4 11 -1 -1 LI -1 -1 -1 -1 -1 -1 439.TIF WEST SIDE 1960 4 11 -1 -1 DI -1 -1 -1 -1 -1 -1 439.TIF ENTIRE EAST SIDE 1961 4 10 20 -1 SO -1 -1 -1 -1 -1 -1 446.TIF CLARKS ISL. TO GEREAUX LIGHTHO 1962 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 448.TIF NORTH CHANNEL (98% ICE COVER) 1962 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 448.TIF (98% ICE COVER) 1962 3 26 -1 -1 SO -1 -1 -1 -1 -1 -1 451.TIF CABOT HEAD THROUGH N CHANNEL 1962 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 451.TIF W ISLANDS TO NEAR GRAND BANK 1962 4 9 -1 -1 FS -1 -1 -1 -1 -1 -1 453.TIF N CHANNEL 1962 4 9 -1 -1 FS -1 -1 -1 -1 -1 -1 453.TIF N HALF OF BAY: TO 10Mi OUT 1962 4 9 -1 -1 IP -1 -1 SW -1 -1 -1 -1 453.TIF S HALF (90% ICE COVER) 1962 4 16 -1 -1 FS -1 -1 -1 -1 -1 -1 454.TIF N CHANNEL 1962 4 16 -1 -1 LI -1 -1 -1 -1 -1 -1 454.TIF W SIDE 1962 4 16 -1 -1 FD -1 -1 DI -1 -1 -1 -1 454.TIF E SIDE 1962 4 23 -1 -1 OW -1 -1 -1 -1 -1 -1 455.TIF W SIDE: N TO KILLARNEY 1962 4 23 -1 -1 FS -1 -1 -1 -1 -1 -1 455.TIF N CHANNEL 1963 3 4 -1 -1 HF -1 -1 -1 -1 -1 -1 457.TIF (100% ICE COVER) 1963 3 18 -1 -1 SO -1 -1 -1 -1 -1 -1 459.TIF 1963 4 1 -1 -1 SO -1 -1 RT -1 -1 -1 -1 461.TIF 1963 4 15 -1 -1 DI -1 -1 SW -1 -1 -1 -1 463.TIF HARBORS 1963 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 463.TIF ENTRANCE 1963 4 15 -1 -1 HF -1 -1 DI -1 -1 -1 -1 463.TIF 1963 4 22 -1 -1 SO -1 -1 -1 -1 -1 -1 464.TIF N CHANNEL 1964 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 465.TIF W SIDE 1964 2 24 -1 -1 IP -1 -1 -1 -1 -1 -1 465.TIF E OF CHRISTIAN ISL./SQUAW ISL. 1964 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 466.TIF W HALF 1964 3 9 -1 -1 IP -1 -1 -1 -1 -1 -1 467.TIF E SHORES 1964 3 16 -1 -1 DI -1 -1 -1 -1 -1 -1 468.TIF CENTRAL PORTION 1964 3 16 -1 -1 IP -1 -1 -1 -1 -1 -1 468.TIF N SHORE 1964 3 16 -1 -1 BK -1 -1 -1 -1 -1 -1 468.TIF PARRY TO OWEN SOUND (CUT) 1964 3 23 -1 -1 FS -1 -1 -1 -1 -1 -1 469.TIF E SHORES 1964 3 30 -1 -1 IP -1 -1 -1 -1 -1 -1 470.TIF ALONG SHORE 1964 3 30 -1 -1 LI -1 -1 -1 -1 -1 -1 470.TIF EXCEPT ALONG SHORE 1964 4 6 -1 -1 FS -1 -1 -1 -1 -1 -1 471.TIF N & E SHORES 1964 4 13 -1 -1 IP -1 -1 RT -1 -1 -1 -1 472.TIF IN PROTECTED AREAS 1965 2 23 -1 -1 SO -1 -1 FS -1 -1 -1 -1 473.TIF E SIDE 1965 2 23 -1 -1 SO -1 -1 FS -1 -1 -1 -1 473.TIF N CHANNEL 1965 2 23 -1 -1 OW -1 -1 -1 -1 -1 -1 473.TIF CENTER OF BAY 1965 3 1 -1 -1 SO -1 -1 FS -1 -1 -1 -1 474.TIF E SIDE 1965 3 1 -1 -1 SO -1 -1 FS -1 -1 -1 -1 474.TIF N CHANNEL 1965 3 8 -1 -1 SO -1 -1 -1 -1 -1 -1 475.TIF N PORTION 1965 3 8 -1 -1 IP -1 -1 SW -1 -1 -1 -1 475.TIF S PORTION (80% ICE COVER) 1965 3 15 -1 -1 SO -1 -1 -1 -1 -1 -1 476.TIF N CHANNEL 1965 3 22 -1 -1 SO -1 -1 -1 -1 -1 -1 477.TIF N CHANNEL 1965 3 22 -1 -1 SW -1 -1 -1 -1 -1 -1 477.TIF W OF CHRISTIAN ISLAND 1965 3 29 -1 -1 SO -1 -1 CL -1 -1 -1 -1 478.TIF N CHANNEL 1965 3 29 -1 -1 SW -1 -1 -1 -1 -1 -1 478.TIF CENTER OF BAY 1965 4 5 -1 -1 HF -1 -1 -1 -1 -1 -1 479.TIF N CHANNEL 1965 4 12 -1 -1 HF -1 -1 -1 -1 -1 -1 480.TIF N CHANNEL 1965 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 480.TIF CHANNEL: RUSSEL TO COVE ISL. 1965 4 26 -1 -1 FD -1 -1 DI -1 -1 -1 -1 482.TIF E SHORES 1966 2 28 -1 -1 LF -1 -1 -1 -1 -1 -1 483.TIF MIDDLE & WEST SIDE 1966 3 14 -1 -1 IP -1 -1 SW -1 -1 -1 -1 485.TIF (70% ICE COVER) 1966 3 21 -1 -1 FS -1 -1 -1 -1 -1 -1 486.TIF NE SHORE: TO 20Mi OUT (70% ICE 1966 3 28 -1 -1 IP -1 -1 -1 -1 -1 -1 487.TIF N CHANNEL 1966 3 28 -1 -1 IP -1 -1 -1 -1 -1 -1 487.TIF E SHORES 1967 2 27 -1 -1 FS -1 -1 -1 -1 -1 -1 489.TIF N CHANNEL 1967 2 27 -1 -1 FS -1 -1 -1 -1 -1 -1 489.TIF NE 1/3 1967 2 27 18 26 -1 -1 -1 -1 -1 -1 489.TIF HARBORS 1967 2 27 -1 -1 LI -1 -1 -1 -1 -1 -1 489.TIF SW PORTIONS 1967 3 6 -1 -1 FS -1 -1 -1 -1 -1 -1 490.TIF N CHANNEL 1967 3 6 -1 -1 FS -1 -1 -1 -1 -1 -1 490.TIF ALONG NE SHORE 1967 3 6 -1 -1 FS -1 -1 DI -1 -1 -1 -1 490.TIF (80 TO 90% ICE COVER) 1967 3 13 -1 -1 FS -1 -1 SC -1 -1 -1 -1 491.TIF N CHANNEL 1967 3 13 -1 -1 FS -1 -1 SC -1 -1 -1 -1 491.TIF NE PORTION 1967 3 20 -1 -1 FS -1 -1 IN -1 -1 -1 -1 492.TIF N CHANNEL 1967 3 20 -1 -1 FS -1 -1 IN -1 -1 -1 -1 492.TIF N & E SHORES 1967 4 3 -1 -1 FS -1 -1 -1 -1 -1 -1 494.TIF N CHANNEL (100% ICE COVER) 1967 4 3 -1 -1 FS -1 -1 -1 -1 -1 -1 494.TIF ALONG SW SHORE 1967 4 3 -1 -1 DI -1 -1 -1 -1 -1 -1 494.TIF (40% ICE COVER) 1967 4 10 -1 -1 SO -1 -1 FS -1 -1 RT -1 -1 495.TIF N CHANNEL 1967 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 495.TIF SE HALF 1967 4 10 -1 -1 DI -1 -1 -1 -1 -1 -1 495.TIF NW HALF (40% ICE COVER) 1967 4 17 -1 -1 DI -1 -1 RT -1 -1 -1 -1 496.TIF N CHANNEL 1967 4 17 -1 -1 LF -1 -1 -1 -1 -1 -1 496.TIF N HALF (20% ICE COVER) 1967 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 496.TIF S HALF 1968 2 26 -1 -1 DI -1 -1 PN -1 -1 BI -1 -1 521.TIF 1968 2 26 -1 -1 SO -1 -1 -1 -1 -1 -1 521.TIF N CHANNEL 1968 3 4 -1 -1 FS -1 -1 -1 -1 -1 -1 520.TIF N CHANNEL 1968 3 4 -1 -1 DI -1 -1 PN -1 -1 -1 -1 520.TIF 1968 3 11 -1 -1 FS -1 -1 -1 -1 -1 -1 497.TIF N CHANNEL 1968 3 18 -1 -1 FS -1 -1 SO -1 -1 RT -1 -1 498.TIF N CHANNEL 1968 3 18 -1 -1 FS -1 -1 SO -1 -1 RT -1 -1 498.TIF S HALF 1968 3 25 -1 -1 SO -1 -1 FS -1 -1 -1 -1 499.TIF N CHANNEL 1968 3 25 -1 -1 FS -1 -1 -1 -1 -1 -1 499.TIF (90% ICE COVER) 1968 4 1 -1 -1 SO -1 -1 -1 -1 -1 -1 500.TIF N CHANNEL 1968 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 500.TIF NEAR MOUTH OF BAY 1968 4 8 -1 -1 FS -1 -1 RT -1 -1 -1 -1 501.TIF N CHANNEL 1968 4 8 -1 -1 DI -1 -1 DC -1 -1 -1 -1 501.TIF (50% ICE COVER) 1968 4 15 -1 -1 FD -1 -1 RT -1 -1 SW -1 -1 502.TIF N CHANNEL 1968 4 15 -1 -1 IP -1 -1 WI -1 -1 -1 -1 502.TIF NE 1/3 1969 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 503.TIF N CHANNEL 1969 2 24 -1 -1 IP -1 -1 -1 -1 -1 -1 503.TIF S HALF 1969 3 3 -1 -1 IP -1 -1 -1 -1 -1 -1 504.TIF S HALF 1969 3 10 -1 -1 IP -1 -1 -1 -1 -1 -1 505.TIF S HALF 1969 3 17 -1 -1 SO -1 -1 PN -1 -1 -1 -1 506.TIF SOUTHERN 2/3 1969 3 24 -1 -1 FS -1 -1 RT -1 -1 -1 -1 507.TIF S PORTIONS 1969 3 31 -1 -1 LI -1 -1 -1 -1 -1 -1 508.TIF 1969 4 7 -1 -1 FS -1 -1 -1 -1 -1 -1 509.TIF N & E SHORES 1969 4 14 -1 -1 DI -1 -1 SO -1 -1 IJ -1 -1 510.TIF ENTIRE EAST SHORE 1969 4 14 -1 -1 IP -1 -1 -1 -1 -1 -1 510.TIF N CHANNEL (90% ICE COVER) 1970 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 519.TIF N PORTIONS 1970 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 518.TIF N CHANNEL 1970 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 511.TIF N CHANNEL 1970 3 10 -1 -1 DI -1 -1 -1 -1 -1 -1 511.TIF 1970 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 512.TIF N CHANNEL 1970 3 17 -1 -1 DI -1 -1 -1 -1 -1 -1 512.TIF 1970 4 14 -1 -1 SO -1 -1 -1 -1 -1 -1 516.TIF N CHANNEL 1970 4 21 -1 -1 FS -1 -1 RT -1 -1 -1 -1 517.TIF N CHANNEL 1970 4 21 -1 -1 DI -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.