GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 473, Approximate Location: 43.26 N. Latitude, 77.60 W. Longitude Site Name Rochester on Lake Ontario ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1917 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 122.TIF LAKE 1918 4 23 -1 -1 HF -1 -1 -1 -1 -1 -1 135.TIF PORT 1919 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 138.TIF EAST TO OSWEGO 1934 3 6 -1 -1 FD -1 -1 DI -1 -1 -1 -1 228.TIF BEYOND 3Mi OUT 1938 3 7 -1 -1 LI -1 -1 -1 -1 -1 -1 261.TIF 1940 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 277.TIF 1941 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 285.TIF LAKE 1941 3 17 -1 -1 LF -1 -1 DI -1 -1 -1 -1 287.TIF LAKE 1942 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 293.TIF TO MOUTH OF NIAGARA RIVER 1943 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 298.TIF 1943 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 299.TIF 1944 3 20 -1 -1 LF -1 -1 -1 -1 -1 -1 310.TIF GENESEE RIVER 1946 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 320.TIF LAKE 1947 2 19 -1 -1 OW -1 -1 -1 -1 -1 -1 325.TIF 1947 2 19 -1 -1 NS -1 -1 -1 -1 -1 -1 325.TIF RIVER 1964 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 465.TIF LAKE 1964 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 466.TIF LAKE 1965 3 8 -1 -1 OW -1 -1 BV -1 -1 -1 -1 475.TIF LAKE 1966 2 28 3 -1 BI -1 -1 -1 -1 -1 -1 483.TIF TO 50YDS INTO LAKE 1968 2 26 -1 -1 OW -1 -1 -1 -1 -1 -1 521.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.