GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 470, Approximate Location: 43.27 N. Latitude, 79.04 W. Longitude Site Name Niagara River on Lake Ontario ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1917 4 24 -1 -1 RI -1 -1 -1 -1 -1 -1 127.TIF INTO LAKE ONTARIO 1917 4 24 -1 -1 RI -1 -1 -1 -1 -1 -1 127.TIF 1924 4 1 -1 -1 FD -1 -1 -1 -1 -1 -1 167.TIF MOUTH OF RIVER 1930 3 18 -1 -1 LF -1 -1 RI -1 -1 -1 -1 204.TIF 1930 4 15 -1 -1 FD -1 -1 BK -1 -1 -1 -1 208.TIF TO 4Mi OUT INTO LAKE ONTARIO 1931 3 17 -1 -1 RI -1 -1 SI -1 -1 -1 -1 211.TIF 1932 3 15 -1 -1 RI -1 -1 BK -1 -1 -1 -1 216.TIF 1932 4 5 -1 -1 RI -1 -1 -1 -1 -1 -1 218.TIF 1933 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 220.TIF 1933 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 221.TIF 1933 3 28 -1 -1 LI -1 -1 -1 -1 -1 -1 223.TIF 1933 4 11 -1 -1 RI -1 -1 -1 -1 -1 -1 225.TIF 1933 4 18 -1 -1 IJ -1 -1 -1 -1 -1 -1 226.TIF CHANNEL EAST OF GRAND ISLAND 1933 4 18 -1 -1 RI -1 -1 -1 -1 -1 -1 226.TIF 1933 4 18 -1 -1 HF -1 -1 DI -1 -1 -1 -1 226.TIF INTO LAKE ONTARIO 1934 3 20 -1 -1 RI -1 -1 -1 -1 -1 -1 230.TIF 1934 3 20 -1 -1 HF -1 -1 BV -1 -1 -1 -1 230.TIF MOUTH 1934 3 27 -1 -1 RI -1 -1 -1 -1 -1 -1 231.TIF 1934 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 232.TIF 1935 3 12 -1 -1 LI -1 -1 -1 -1 -1 -1 238.TIF RIVER MOUTH TO CHARLOTTE 1936 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 244.TIF BELOW LEWISTON 1936 3 17 -1 -1 IP -1 -1 -1 -1 -1 -1 245.TIF MOUTH 1936 3 23 -1 -1 BK -1 -1 -1 -1 -1 -1 246.TIF LOWER RIVER 1937 3 8 -1 -1 RI -1 -1 -1 -1 -1 -1 254.TIF INTO LAKE ONTARIO 1937 3 8 -1 -1 SI -1 -1 BV -1 -1 -1 -1 254.TIF MOUTH OF RIVER 1937 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 256.TIF CANADIAN SIDE TO PORT COLBORNE 1938 3 7 -1 -1 IJ -1 -1 -1 -1 -1 -1 261.TIF ENTRANCE TO LEWISTON 1938 4 4 -1 -1 SI -1 -1 -1 -1 -1 -1 265.TIF 1938 4 4 -1 -1 LI -1 -1 SI -1 -1 -1 -1 265.TIF INTO LAKE ONTARIO 1944 4 3 -1 -1 RI -1 -1 -1 -1 -1 -1 312.TIF 1947 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 327.TIF LOWER RIVER 1950 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 352.TIF LOWER RIVER 1951 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 360.TIF LOWER RIVER 1951 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 361.TIF LOWER RIVER 1952 3 3 -1 -1 DI -1 -1 -1 -1 -1 -1 368.TIF LOWER RIVER 1952 3 10 -1 -1 LF -1 -1 RI -1 -1 -1 -1 369.TIF 1952 3 24 -1 -1 LI -1 -1 -1 -1 -1 -1 371.TIF 1955 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 392.TIF RIVER & MOUTH 1955 3 14 -1 -1 SI -1 -1 -1 -1 -1 -1 393.TIF LOWER RIVER 1955 3 21 -1 -1 SI -1 -1 -1 -1 -1 -1 394.TIF LOWER RIVER 1957 2 25 -1 -1 OW -1 -1 BV -1 -1 -1 -1 408.TIF LOWER RIVER: INTO LAKE 1957 3 4 -1 -1 OW -1 -1 BV -1 -1 -1 -1 410.TIF LOWER RIVER: INTO LAKE 1958 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 417.TIF LOWER RIVER 1958 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 418.TIF 1958 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 419.TIF LOWER RIVER 1959 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 425.TIF LOWER RIVER 1959 3 16 -1 -1 LF -1 -1 RI -1 -1 -1 -1 426.TIF 1959 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 428.TIF LOWER RIVER 1959 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 429.TIF LOWER RIVER 1959 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 430.TIF LOWER RIVER 1960 2 29 -1 -1 DI -1 -1 RI -1 -1 -1 -1 522.TIF 1960 3 7 -1 -1 RI -1 -1 SW -1 -1 -1 -1 434.TIF LOWER RIVER (50% ICE COVER) 1960 3 14 -1 -1 LF -1 -1 RI -1 -1 -1 -1 435.TIF LOWER RIVER 1960 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 436.TIF LOWER RIVER 1960 3 28 -1 -1 LF -1 -1 RI -1 -1 -1 -1 437.TIF LOWER RIVER 1960 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 438.TIF 1960 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 439.TIF 1961 3 27 -1 -1 RI -1 -1 -1 -1 -1 -1 444.TIF BOTH CHANNELS 1962 3 5 -1 -1 RI -1 -1 -1 -1 -1 -1 448.TIF LOWER RIVER (1/3 ICE COVER) 1962 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 449.TIF LOWER RIVER 1962 3 12 -1 -1 OW -1 -1 BV -1 -1 -1 -1 449.TIF LAKE ONTARIO 1962 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 451.TIF LOWER RIVER 1962 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 452.TIF LOWER RIVER 1962 4 2 -1 -1 OW -1 -1 BV -1 -1 -1 -1 452.TIF INTO LAKE HURON 1962 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 453.TIF LOWER RIVER: INTO LAKE 1963 2 25 -1 -1 IJ -1 -1 -1 -1 -1 -1 456.TIF 1963 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 458.TIF 1963 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 461.TIF 1964 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 465.TIF TO 1/2Mi FROM MOUTH 1964 2 24 -1 -1 OW -1 -1 BV -1 -1 -1 -1 465.TIF 1/2Mi FROM MOUTH: INTO LAKE 1964 3 2 -1 -1 SO -1 -1 -1 -1 -1 -1 466.TIF TO 1/2Mi OUT FROM MOUTH 1964 3 9 -1 -1 SO -1 -1 -1 -1 -1 -1 467.TIF 1Mi FROM MOUTH 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF 1964 3 23 -1 -1 FS -1 -1 -1 -1 -1 -1 469.TIF BELOW FALLS 1965 2 23 -1 -1 OW -1 -1 -1 -1 -1 -1 473.TIF LOWER RIVER 1965 3 1 -1 -1 LF -1 -1 IJ -1 -1 -1 -1 474.TIF 1965 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 475.TIF 1965 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 476.TIF 1965 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 477.TIF 1965 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 479.TIF 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF LOWER RIVER 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF LOWER RIVER 1967 3 6 -1 -1 DI -1 -1 -1 -1 -1 -1 490.TIF RIVER MOUTH ---------------------------------------------------------------------------------------------------------- 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.