GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 230, Approximate Location: 45.79 N. Latitude, 85.36 W. Longitude Site Name Hog Island on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1944 3 6 3 5 -1 -1 -1 -1 -1 -1 308.TIF TO LANSING SHOAL 1944 3 27 -1 -1 IP -1 -1 BV -1 -1 -1 -1 311.TIF EASTWARD 1944 3 27 -1 -1 IP -1 -1 -1 -1 -1 -1 311.TIF SOUTH: TO 12Mi FROM 7 MILE POI 1948 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 336.TIF SOUTHWARD 1948 3 15 -1 -1 SO -1 -1 SC -1 -1 -1 -1 336.TIF WESTWARD 1948 3 22 -1 -1 SW -1 -1 -1 -1 -1 -1 337.TIF 1949 2 28 -1 -1 SW -1 -1 -1 -1 -1 -1 526.TIF 1949 3 7 -1 -1 SW -1 -1 -1 -1 -1 -1 341.TIF 1949 3 14 -1 -1 DI -1 -1 WI -1 -1 -1 -1 343.TIF 1950 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 350.TIF 1950 3 13 -1 -1 WI -1 -1 -1 -1 -1 -1 351.TIF REEF 1950 3 20 -1 -1 SW -1 -1 -1 -1 -1 -1 352.TIF 1950 3 27 -1 -1 SW -1 -1 -1 -1 -1 -1 353.TIF 1950 4 3 -1 -1 OW -1 -1 BV -1 -1 -1 -1 354.TIF SOUTHWARD 1950 4 10 -1 -1 HF -1 -1 -1 -1 -1 -1 355.TIF TO BEAVER ISLAND 1951 3 5 -1 -1 OW -1 -1 LF -1 -1 -1 -1 360.TIF CHANNEL NORTH OF ISLAND 1951 3 12 -1 -1 HF -1 -1 -1 -1 -1 -1 361.TIF 1952 3 31 -1 -1 HF -1 -1 WI -1 -1 -1 -1 372.TIF 1958 3 24 -1 -1 FD -1 -1 -1 -1 -1 -1 420.TIF 1966 3 21 10 12 BK -1 -1 -1 -1 -1 -1 486.TIF TO LANSING SHOAL ---------------------------------------------------------------------------------------------------------- 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.