MOTT IS ISLE ROYALE, MICHIGAN

Monthly Total Growing Degree Days

(205637)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201108
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1948 0.00 z 0.00 z 0.00 z 0.00 z 51.00 110.50 304.83 a 388.02 a 79.00 t 0.00 z 0.00 z 0.00 z 854.35
1949 0.00 z 0.00 z 0.00 z 0.00 z 19.50 146.90 a 270.50 391.50 78.00 21.00 0.00 g 0.00 z 927.40
1950 0.00 z 0.00 z 0.00 z 0.00 z 1.50 l 78.00 117.50 126.50 70.50 5.37 e 0.00 0.00 z 397.87
1951 0.00 z 0.00 z 0.00 z 0.00 z 50.50 h 47.88 d 284.00 264.00 108.50 6.50 0.00 z 0.00 z 710.88
1952 0.00 z 0.00 z 0.00 z 0.00 z 29.50 125.69 a 259.50 385.00 183.00 10.33 a 0.00 m 0.00 z 993.02
1953 0.00 z 0.00 z 0.00 z 0.00 z 17.10 b 120.00 336.00 450.50 149.00 50.50 0.00 q 0.00 z 1123.10
1954 0.00 z 0.00 z 0.00 z 0.00 z 3.50 i 142.24 a 314.65 a 397.50 121.00 5.17 a 0.00 z 0.00 z 980.56
1955 0.00 z 0.00 z 0.00 z 0.00 z 45.50 h 165.00 423.15 a 520.00 186.50 27.00 0.00 w 0.00 z 1321.65
1956 0.00 z 0.00 z 0.00 z 0.00 z 8.30 c 149.00 g 268.15 a 322.40 a 81.92 d 30.50 0.00 m 0.00 z 711.28
1957 0.00 z 0.00 z 0.00 z 0.00 z 14.00 t 83.50 255.00 359.17 b 125.36 b 13.50 0.00 z 0.00 z 836.53
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 62.00 253.50 366.50 138.00 0.00 z 0.00 z 0.00 z 820.00
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 144.00 363.00 409.00 177.50 0.00 z 0.00 z 0.00 z 1093.50
1960 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 236.50 338.42 a 136.11 c 13.00 0.00 z 0.00 z 724.03
1961 0.00 z 0.00 z 0.00 z 0.00 z 31.00 e 141.72 a 257.19 d 384.92 a 222.86 b 33.50 0.00 z 0.00 z 1071.18
1962 0.00 z 0.00 z 0.00 z 0.00 z 16.03 b 61.11 c 167.06 d 348.48 b 103.97 a 53.70 c 0.00 x 0.00 z 750.35
1963 0.00 z 0.00 z 0.00 z 0.00 z 8.04 d 91.67 c 320.50 286.00 f 136.00 h 141.00 f 0.00 z 0.00 z 420.20
1964 0.00 z 0.00 z 0.00 z 0.00 z 40.00 i 64.00 331.50 245.50 85.86 a 16.00 0.00 z 0.00 z 742.86
1965 0.00 z 0.00 z 0.00 z 0.00 z 15.50 e 114.50 206.00 244.26 b 49.50 6.00 0.00 z 0.00 z 635.76
1966 0.00 z 0.00 z 0.00 z 0.00 z 59.02 e 117.50 356.50 293.50 191.00 6.50 p 0.00 z 0.00 z 1017.52
1967 0.00 z 0.00 z 0.00 z 0.00 z 4.81 b 86.00 216.00 296.50 221.50 22.50 l 0.00 z 0.00 z 824.81
1968 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 85.50 207.70 a 243.50 145.00 46.00 h 0.00 z 0.00 z 681.70
1969 0.00 z 0.00 z 0.00 z 0.00 z 22.00 r 51.00 275.38 a 482.00 184.50 12.00 k 0.00 z 0.00 z 992.88
1970 0.00 z 0.00 z 0.00 z 0.00 z 11.00 g 130.00 306.50 453.00 181.00 18.50 k 0.00 z 0.00 z 1070.50
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 102.00 252.00 301.50 191.90 a 45.93 d 0.00 z 0.00 z 893.32
1972 0.00 z 0.00 z 0.00 z 0.00 z 6.50 f 117.00 201.00 331.50 101.50 3.00 0.00 z 0.00 z 754.00
1973 0.00 z 0.00 z 0.00 z 0.00 z 14.50 o 55.86 a 249.50 386.50 187.24 a 0.00 z 0.00 z 0.00 z 879.10
1974 0.00 z 0.00 z 0.00 z 0.00 z 18.50 n 97.00 295.50 308.50 59.00 8.78 a 0.00 z 0.00 z 768.78
1975 0.00 z 0.00 z 0.00 z 0.00 z 32.11 c 73.50 f 285.50 f 404.07 b 81.67 c 23.50 0.00 z 0.00 z 541.34
1976 0.00 z 0.00 z 0.00 z 0.00 z 18.50 106.00 368.50 453.50 162.32 b 51.87 e 0.00 z 0.00 z 1160.69
1977 0.00 z 0.00 z 0.00 z 0.00 z 40.00 99.50 262.00 257.00 92.50 0.00 z 0.00 z 0.00 z 751.00
1978 0.00 z 0.00 z 0.00 z 0.00 z 36.50 107.50 243.50 373.50 171.50 0.00 z 0.00 z 0.00 z 932.50
1979 0.00 z 0.00 z 0.00 z 0.00 z 5.50 m 112.50 221.00 282.50 174.00 0.00 z 0.00 z 0.00 z 790.00
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 105.52 a 0.00 z 0.00 z 0.00 z 5.00 q 0.00 z 0.00 z 105.52
1981 0.00 z 0.00 z 0.00 z 0.00 z 17.50 f 83.00 296.50 466.50 172.76 a 4.50 v 0.00 z 0.00 z 1018.76
1982 0.00 z 0.00 z 0.00 z 0.00 z 25.00 n 56.50 263.50 237.50 0.00 z 0.00 z 0.00 z 0.00 z 557.50
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 q 101.00 383.50 562.50 255.50 0.00 z 0.00 z 0.00 z 1302.50
1984 0.00 z 0.00 z 0.00 z 0.00 z 32.00 p 91.00 305.50 433.50 172.00 20.50 0.00 z 0.00 z 1022.50
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 74.00 280.00 347.00 171.50 0.00 z 0.00 o 0.00 z 872.50
1986 0.00 z 0.00 z 0.00 z 0.00 z 51.50 u 160.00 267.00 352.50 113.50 3.50 m 0.00 z 0.00 z 893.00
1987 0.00 z 0.00 z 0.00 z 0.00 z 20.50 n 231.72 a 418.00 427.00 271.00 0.00 w 0.00 z 0.00 z 1347.72
1988 0.00 z 0.00 z 0.00 z 0.00 z 22.00 234.83 a 401.00 398.00 164.50 5.50 k 0.00 z 0.00 z 1220.33
1989 0.00 z 0.00 z 0.00 z 0.00 z 18.00 t 53.50 296.00 363.00 226.50 4.50 p 0.00 z 0.00 z 939.00
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 96.50 295.00 364.50 154.00 k 0.00 z 0.00 z 0.00 z 756.00
1991 0.00 z 0.00 z 0.00 z 0.00 z 27.00 u 180.50 278.50 515.00 186.50 5.00 l 0.00 z 0.00 z 1160.50
1992 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 120.50 148.00 345.00 146.00 0.00 z 0.00 z 0.00 z 759.50
1993 0.00 z 0.00 z 0.00 z 0.00 z 1.50 q 111.50 267.50 475.50 108.50 2.00 y 0.00 z 0.00 z 963.00
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1995 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 144.50 305.02 c 515.50 210.50 31.00 n 0.00 z 0.00 z 1175.52
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 143.00 292.00 369.50 211.50 7.00 m 0.00 z 0.00 z 1016.00
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 q 155.00 278.50 408.00 265.50 45.50 p 0.00 z 0.00 z 1107.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 578.00 364.50 28.50 j 0.00 z 0.00 z 942.50
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 207.00 476.50 461.00 257.07 a 9.50 n 0.00 z 0.00 z 1401.57
2000 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 422.00 213.50 45.00 h 0.00 z 0.00 z 635.50
2001 0.00 z 0.00 z 0.00 z 5.50 z 29.45 a 146.00 293.47 a 548.00 0.00 z 0.00 z 0.00 z 0.00 z 1016.92
2002 0.00 z 0.00 z 0.00 z 0.00 z 26.50 m 177.86 b 512.05 c 468.50 0.00 z 0.00 z 0.00 z 0.00 z 1158.41
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 332.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 332.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 1.50 f 140.50 310.00 316.00 237.50 26.00 s 0.00 z 0.00 z 1004.00
2005 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2007 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 147.00 u 223.50 f 0.00 z 0.00 z 0.00 z 0.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2009 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2010 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 448.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.00 25.79 115.60 290.83 380.81 164.80 22.28 0.00 0.00 0.00
S.D. 0.00 0.00 0.00 0.00 14.99 43.99 73.76 92.44 64.16 16.91 0.00 0.00 0.00
SKEW 0.00 0.00 0.00 0.00 0.65 0.73 0.58 -0.08 0.47 0.71 0.00 0.00 0.00
MAX 9999.00 - 9999.00 - 9999.00 - 9999.00 59.02 234.83 512.05 578.00 364.50 53.70 0.00 - 9999.00 -9999.00
MIN 9999.00 9999.00 9999.00 9999.00 4.81 47.88 117.50 126.50 49.50 3.00 0.00 9999.00 9999.00
NO YRS 0 0 0 0 17 50 52 53 48 20 1 0 0