GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 009, Approximate Location: 48.42 N. Latitude, 89.25 W. Longitude Site Name Port Arthur In BW on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1919 3 4 16 -1 -1 -1 -1 -1 -1 -1 136.TIF 1919 3 11 16 -1 -1 -1 -1 -1 -1 -1 137.TIF 1919 3 18 16 -1 -1 -1 -1 -1 -1 -1 138.TIF 1919 3 21 16 -1 -1 -1 -1 -1 -1 -1 139.TIF 1920 3 9 24 -1 -1 -1 -1 -1 -1 -1 140.TIF 1920 3 16 34 -1 -1 -1 -1 -1 -1 -1 141.TIF 1920 3 23 34 -1 -1 -1 -1 -1 -1 -1 142.TIF 1920 3 30 34 -1 -1 -1 -1 -1 -1 -1 143.TIF 1920 4 6 25 -1 -1 -1 -1 -1 -1 -1 144.TIF 1921 3 15 15 -1 -1 -1 -1 -1 -1 -1 147.TIF 1921 3 22 14 -1 -1 -1 -1 -1 -1 -1 148.TIF 1932 3 8 18 -1 -1 -1 -1 -1 -1 -1 215.TIF 1932 3 22 18 -1 -1 -1 -1 -1 -1 -1 217.TIF 1942 4 13 -1 -1 DI -1 -1 -1 -1 -1 -1 297.TIF 1948 4 12 30 -1 -1 -1 -1 -1 -1 -1 340.TIF 1955 3 7 20 25 -1 -1 -1 -1 -1 -1 391.TIF 1959 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 431.TIF ENTRANCES: TO BW 1960 2 29 18 20 -1 -1 -1 -1 -1 -1 522.TIF 1960 3 7 12 22 -1 -1 -1 -1 -1 -1 434.TIF 1964 3 16 32 -1 -1 -1 -1 -1 -1 -1 468.TIF 1965 3 15 27 -1 SL 1 -1 -1 -1 -1 -1 476.TIF 1965 4 19 29 -1 -1 -1 -1 -1 -1 -1 481.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.