GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 441, Approximate Location: 44.10 N. Latitude, 77.58 W. Longitude Site Name Trent River on Lake Ontario ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1950 3 20 -1 -1 SO -1 -1 -1 -1 -1 -1 352.TIF 1951 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 362.TIF 1951 3 19 -1 -1 LF -1 -1 -1 -1 -1 -1 362.TIF MOUTH TO 1Mi EAST IN BAY 1951 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 363.TIF 1952 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 372.TIF LAKE: TO 3/4Mi OUT 1953 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 375.TIF MOUTH OF RIVER 1954 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 383.TIF RIVER MOUTH: TO 3/4Mi INTO BAY 1956 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 405.TIF 1956 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 405.TIF TRENT CANAL: EXCEPT LOCKS 1956 4 9 -1 -1 SO -1 -1 -1 -1 -1 -1 405.TIF TRENT CANAL: LOCKS ONLY 1957 3 4 -1 -1 SO -1 -1 -1 -1 -1 -1 410.TIF 1957 3 11 -1 -1 SW -1 -1 -1 -1 -1 -1 412.TIF SPOTS ALONG EAST BANK 1958 3 10 11 -1 -1 -1 -1 -1 -1 -1 418.TIF BAY OF QUINTE: TO DAM # 1 1959 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 428.TIF BELOW DAMS 1960 3 7 -1 -1 SO -1 -1 -1 -1 -1 -1 434.TIF EXCEPT EAST SIDE BELOW #1 DAM 1961 3 13 -1 -1 SW -1 -1 -1 -1 -1 -1 442.TIF ALONG SHORES & BELOW DAMS 1962 3 26 -1 -1 SW -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 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF 1969 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 509.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.