GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 321, Approximate Location: 43.23 N. Latitude, 86.25 W. Longitude Site Name Muskegon on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1900 3 27 10 -1 RT -1 -1 -1 -1 -1 -1 007.TIF 1900 4 3 8 -1 -1 -1 -1 -1 -1 -1 008.TIF 1907 3 5 -1 -1 FD -1 -1 -1 -1 -1 -1 051.TIF LAKE 1907 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 051.TIF BEYOND 1000FT OUT 1908 3 3 -1 -1 IP -1 -1 -1 -1 -1 -1 057.TIF NORTH AND SOUTH 1909 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 065.TIF LAKE 1909 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 067.TIF LAKE 1913 3 11 -1 -1 FD -1 -1 -1 -1 -1 -1 091.TIF LAKE 1916 3 28 -1 -1 FD -1 -1 -1 -1 -1 -1 116.TIF 1917 3 20 -1 -1 PI -1 -1 -1 -1 -1 -1 122.TIF LAKE 1917 3 27 -1 -1 PI -1 -1 -1 -1 -1 -1 123.TIF LAKE 1917 4 3 -1 -1 FD -1 -1 -1 -1 -1 -1 124.TIF LAKE 1918 3 12 -1 -1 FD -1 -1 -1 -1 -1 -1 129.TIF LAKE 1918 3 19 -1 -1 FD -1 -1 BK -1 -1 -1 -1 130.TIF LAKE 1918 4 9 -1 -1 DI -1 -1 -1 -1 -1 -1 133.TIF ABOUT 8Mi OUT 1919 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 136.TIF LAKE 1920 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 141.TIF TO 2Mi OUT 1920 3 16 -1 -1 FD -1 -1 -1 -1 -1 -1 141.TIF BEYOND 2Mi OUT 1920 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 141.TIF CHANNEL 1920 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 142.TIF 4Mi OUT 1920 3 30 -1 -1 IP -1 -1 -1 -1 -1 -1 143.TIF LAKE 1920 4 6 -1 -1 PI -1 -1 -1 -1 -1 -1 144.TIF TO 3/4Mi OUT 1920 4 10 -1 -1 FD -1 -1 -1 -1 -1 -1 145.TIF 1934 3 6 -1 -1 IP -1 -1 -1 -1 -1 -1 228.TIF TO 7Mi OUT 1934 3 13 -1 -1 SI -1 -1 -1 -1 -1 -1 229.TIF TO 12Mi OUT 1934 3 27 -1 -1 LF -1 -1 BV -1 -1 -1 -1 231.TIF LAKE 1936 3 30 -1 -1 IP -1 -1 -1 -1 -1 -1 247.TIF TO 5Mi OUT 1939 3 13 -1 -1 IP -1 -1 -1 -1 -1 -1 269.TIF SHORE 1939 3 27 -1 -1 LF -1 -1 DI -1 -1 -1 -1 271.TIF 1940 3 11 -1 -1 LI -1 -1 -1 -1 -1 -1 278.TIF TO MILWAUKEE 1942 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 292.TIF 1943 3 1 -1 -1 SI -1 -1 -1 -1 -1 -1 298.TIF TO 5Mi OUT 1943 3 8 -1 -1 IP -1 -1 -1 -1 -1 -1 299.TIF TO 7Mi WEST 1943 3 29 -1 -1 DI -1 -1 -1 -1 -1 -1 302.TIF 1944 3 20 -1 -1 DI -1 -1 -1 -1 -1 -1 310.TIF 1948 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 334.TIF TO MILWAUKEE 1948 3 15 -1 -1 NI -1 -1 SI -1 -1 DI -1 -1 336.TIF 1948 3 22 -1 -1 FD -1 -1 DI -1 -1 -1 -1 337.TIF LAKE 1950 2 16 6 -1 RT -1 -1 -1 -1 -1 -1 348.TIF 1950 2 27 -1 -1 DI -1 -1 -1 -1 -1 -1 349.TIF IN CHANNEL 1950 2 27 -1 -1 LF -1 -1 -1 -1 -1 -1 349.TIF LAKE 1951 2 26 6 12 RT -1 -1 -1 -1 -1 -1 359.TIF 1951 2 26 -1 -1 OW -1 -1 -1 -1 -1 -1 359.TIF SHIPPING CHANNELS 1951 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 360.TIF CHANNEL 1951 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 360.TIF LAKE 1952 2 25 -1 -1 OW -1 -1 -1 -1 -1 -1 367.TIF CHANNEL 1952 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 368.TIF CHANNEL 1952 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 369.TIF CHANNEL 1952 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 369.TIF LAKE 1953 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 375.TIF LAKE 1953 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 375.TIF CHANNEL 1953 3 9 -1 -1 SI -1 -1 -1 -1 -1 -1 376.TIF CHANNEL 1954 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 381.TIF TO MILWAUKEE 1955 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 389.TIF LAKE 1956 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 399.TIF CHANNEL 1956 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 399.TIF LAKE 1956 3 5 2 12 WI -1 -1 -1 -1 -1 -1 399.TIF BANK PT. LT. TO AURORA OIL DOC 1957 3 4 2 4 SI -1 -1 PN -1 -1 -1 -1 409.TIF CHANNEL 1957 3 4 2 4 SI -1 -1 PN -1 -1 -1 -1 409.TIF TO 1/4Mi OUT 1958 2 24 -1 -1 LI -1 -1 -1 -1 -1 -1 416.TIF CHANNEL & OUTER HARBOR 1958 3 3 4 6 RT -1 -1 SI -1 -1 -1 -1 417.TIF CHANNEL ENTRANCE TO FERRY DOCK 1958 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 417.TIF CAR FERRY DOCK TO AURORA DOCK 1958 3 10 -1 -1 LI -1 -1 -1 -1 -1 -1 418.TIF CHANNEL & OUTER HARBOR 1959 3 9 -1 -1 WI 24 48 -1 -1 -1 -1 425.TIF TO 9Mi OUT 1959 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 426.TIF CHANNEL 1960 2 19 -1 -1 LI -1 -1 -1 -1 -1 -1 523.TIF LAKE 1960 2 19 -1 -1 LI -1 -1 -1 -1 -1 -1 523.TIF CHANNEL 1960 2 29 -1 -1 LF -1 -1 -1 -1 -1 -1 522.TIF OUTSIDE OF HARBOR 1960 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 434.TIF TO MILWAUKEE 1960 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 435.TIF TO MILWAUKEE 1960 3 21 -1 -1 IP -1 -1 WI -1 -1 -1 -1 436.TIF ALONG SHORE 1960 3 28 -1 -1 WI -1 -1 -1 -1 -1 -1 437.TIF ALONG SHORE 1962 2 26 -1 -1 OW -1 -1 -1 -1 -1 -1 447.TIF CHANNEL 1962 2 26 -1 -1 OW -1 -1 -1 -1 -1 -1 447.TIF LAKE 1962 2 26 -1 -1 LI -1 -1 -1 -1 -1 -1 447.TIF TO FRANKFORT: ALL PORTS 1962 3 5 -1 -1 LI -1 -1 -1 -1 -1 -1 448.TIF CHANNEL & DOCKS 1963 2 25 -1 -1 SO -1 -1 WI -1 -1 -1 -1 456.TIF TO MILWAUKEE 1963 3 4 -1 -1 BK -1 -1 -1 -1 -1 -1 457.TIF CHANNEL & MOST DOCKS (CUT) 1963 3 4 -1 -1 BK -1 -1 HF -1 -1 WI -1 -1 457.TIF SHIPPING CHANNELS (CUT) 1963 3 11 -1 -1 LI -1 -1 -1 -1 -1 -1 458.TIF CHANNEL 1963 3 11 30 -1 DI -1 -1 PN -1 -1 -1 -1 458.TIF LAKE 1963 3 11 -1 -1 HF -1 -1 -1 -1 -1 -1 458.TIF MID-LAKE 1963 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 459.TIF CHANNEL & DOCKS 1963 3 18 50 -1 FD -1 -1 -1 -1 -1 -1 459.TIF MID-LAKE 1963 3 25 -1 -1 LI -1 -1 -1 -1 -1 -1 460.TIF 1963 3 25 -1 -1 LI -1 -1 -1 -1 -1 -1 460.TIF TO MILWAUKEE: SOUTHWARD 1965 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 479.TIF LAKE 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF CHANNEL 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF LAKE 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF TO MILWAUKEE 1966 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 485.TIF TO MILWAUKEE 1968 2 26 7 -1 -1 -1 -1 -1 -1 -1 521.TIF 1968 4 1 -1 -1 PN -1 -1 WI -1 -1 -1 -1 500.TIF TO MICHIGAN CITY 1968 4 15 13 17 PN -1 -1 IJ -1 -1 -1 -1 502.TIF TO GRAND HAVEN: ALONG SHORE 1970 2 24 -1 -1 WI -1 84 -1 -1 -1 -1 519.TIF TO MICHIGAN CITY: ALONG SHORE ---------------------------------------------------------------------------------------------------------- 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.