MOTT IS ISLE ROYALE, MICHIGAN

Monthly Total Growing Degree Days

(205637)

Base Temperature = 40 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 186.00 385.50 609.15 a 698.02 a 179.00 t 0.00 z 0.00 z 0.00 z 1878.67
1949 0.00 z 0.00 z 0.00 z 0.00 z 175.00 430.86 a 580.50 701.50 347.50 220.00 15.50 g 0.00 z 2455.36
1950 0.00 z 0.00 z 0.00 z 0.00 z 87.00 l 344.50 408.00 416.50 340.00 148.44 e 3.00 0.00 z 1660.44
1951 0.00 z 0.00 z 0.00 z 0.00 z 188.50 h 290.77 d 594.00 573.50 355.50 119.00 0.00 z 0.00 z 1932.77
1952 0.00 z 0.00 z 0.00 z 0.00 z 224.50 411.72 a 567.50 695.00 475.00 101.78 a 9.50 m 0.00 z 2475.51
1953 0.00 z 0.00 z 0.00 z 0.00 z 171.57 b 401.00 646.00 760.50 430.00 267.50 11.00 q 0.00 z 2676.57
1954 0.00 z 0.00 z 0.00 z 0.00 z 68.00 i 441.72 a 624.65 a 707.50 413.00 155.52 a 0.00 z 0.00 z 2342.39
1955 0.00 z 0.00 z 0.00 z 0.00 z 227.50 h 447.50 733.15 a 830.00 473.50 202.00 1.50 w 0.00 z 2686.15
1956 0.00 z 0.00 z 0.00 z 0.00 z 139.50 c 373.00 g 578.15 a 632.40 a 321.92 d 249.00 45.50 m 0.00 z 1920.97
1957 0.00 z 0.00 z 0.00 z 0.00 z 97.50 t 363.50 565.00 666.50 b 391.61 b 194.00 0.00 z 0.00 z 2180.61
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 319.50 561.50 676.50 432.50 0.00 z 0.00 z 0.00 z 1990.00
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 434.00 672.00 719.00 454.00 0.00 z 0.00 z 0.00 z 2279.00
1960 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 546.50 648.42 a 407.22 c 193.00 0.00 z 0.00 z 1795.14
1961 0.00 z 0.00 z 0.00 z 0.00 z 190.77 e 429.83 a 567.19 d 694.92 a 486.43 b 182.00 0.00 z 0.00 z 2551.13
1962 0.00 z 0.00 z 0.00 z 0.00 z 192.41 b 302.78 c 477.06 d 658.48 b 370.34 a 237.48 c 0.00 x 0.00 z 2238.56
1963 0.00 z 0.00 z 0.00 z 0.00 z 161.89 d 350.00 c 630.50 536.00 f 353.50 h 380.00 f 0.00 z 0.00 z 1142.39
1964 0.00 z 0.00 z 0.00 z 0.00 z 211.50 i 306.50 641.50 555.00 337.24 a 133.00 21.50 z 0.00 z 1973.24
1965 0.00 z 0.00 z 0.00 z 0.00 z 204.48 e 395.00 512.00 551.59 b 284.00 151.50 0.00 z 0.00 z 2098.57
1966 0.00 z 0.00 z 0.00 z 0.00 z 210.44 e 401.50 666.50 603.50 478.50 94.00 p 0.00 z 0.00 z 2360.44
1967 0.00 z 0.00 z 0.00 z 0.00 z 98.34 b 359.50 525.50 606.50 482.50 121.50 l 0.00 z 0.00 z 2072.34
1968 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 363.00 514.08 a 553.50 435.00 220.00 h 0.00 z 0.00 z 1865.58
1969 0.00 z 0.00 z 0.00 z 0.00 z 99.00 r 313.00 583.83 a 792.00 468.50 94.50 k 0.00 z 0.00 z 2157.33
1970 0.00 z 0.00 z 0.00 z 0.00 z 115.50 g 411.50 616.50 763.00 458.00 131.00 k 0.00 z 0.00 z 2249.00
1971 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 363.50 562.00 610.00 482.59 a 328.94 d 0.00 z 0.00 z 2347.03
1972 0.00 z 0.00 z 0.00 z 0.00 z 172.50 f 374.50 508.50 641.50 362.00 100.00 0.00 z 0.00 z 1986.50
1973 0.00 z 0.00 z 0.00 z 0.00 z 126.50 o 326.38 a 559.00 696.50 468.10 a 0.00 z 0.00 z 0.00 z 2049.98
1974 0.00 z 0.00 z 0.00 z 0.00 z 127.50 n 384.50 605.50 618.50 301.00 155.52 a 0.00 z 0.00 z 2065.02
1975 0.00 z 0.00 z 0.00 z 0.00 z 252.43 c 280.50 f 535.50 f 714.07 b 348.89 c 209.00 0.00 z 0.00 z 1524.39
1976 0.00 z 0.00 z 0.00 z 0.00 z 205.00 397.00 678.50 761.50 407.68 b 175.87 e 0.00 z 0.00 z 2625.54
1977 0.00 z 0.00 z 0.00 z 0.00 z 237.00 365.50 572.00 566.00 382.00 0.00 z 0.00 z 0.00 z 2122.50
1978 0.00 z 0.00 z 0.00 z 0.00 z 224.00 368.50 553.00 683.50 469.50 0.00 z 0.00 z 0.00 z 2298.50
1979 0.00 z 0.00 z 0.00 z 0.00 z 120.50 m 385.50 531.00 592.50 464.50 0.00 z 0.00 z 0.00 z 1973.50
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 383.79 a 0.00 z 0.00 z 0.00 z 58.00 q 0.00 z 0.00 z 383.79
1981 0.00 z 0.00 z 0.00 z 0.00 z 156.50 f 346.50 606.50 776.50 440.17 a 46.50 v 0.00 z 0.00 z 2169.67
1982 0.00 z 0.00 z 0.00 z 0.00 z 146.00 n 335.50 573.50 546.50 0.00 z 0.00 z 0.00 z 0.00 z 1455.50
1983 0.00 z 0.00 z 0.00 z 0.00 z 66.00 q 373.50 693.00 872.50 542.50 0.00 z 0.00 z 0.00 z 2481.50
1984 0.00 z 0.00 z 0.00 z 0.00 z 154.50 p 382.00 615.50 743.50 429.50 233.00 0.00 z 0.00 z 2403.50
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 357.00 590.00 657.00 444.50 0.00 z 76.00 o 0.00 z 2048.50
1986 0.00 z 0.00 z 0.00 z 0.00 z 149.50 u 443.50 577.00 662.50 405.00 70.00 m 0.00 z 0.00 z 2088.00
1987 0.00 z 0.00 z 0.00 z 0.00 z 126.50 n 522.93 a 728.00 737.00 571.00 16.50 w 0.00 z 0.00 z 2558.93
1988 0.00 z 0.00 z 0.00 z 0.00 z 202.50 518.79 a 711.00 708.00 450.50 87.00 k 0.00 z 0.00 z 2590.79
1989 0.00 z 0.00 z 0.00 z 0.00 z 119.50 t 301.00 606.00 673.00 506.50 76.50 p 0.00 z 0.00 z 2086.50
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 384.50 605.00 674.50 337.00 k 0.00 z 0.00 z 0.00 z 1664.00
1991 0.00 z 0.00 z 0.00 z 0.00 z 120.50 u 479.50 575.00 825.00 430.50 99.00 l 0.00 z 0.00 z 2310.00
1992 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 388.00 455.00 655.00 426.50 0.00 z 0.00 z 0.00 z 1924.50
1993 0.00 z 0.00 z 0.00 z 0.00 z 78.00 q 395.50 577.50 785.50 368.00 38.00 y 0.00 z 0.00 z 2126.50
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 430.00 615.02 c 825.50 480.50 155.50 n 0.00 z 0.00 z 2351.02
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 437.50 600.50 679.50 504.00 116.50 m 0.00 z 0.00 z 2221.50
1997 0.00 z 0.00 z 0.00 z 0.00 z 73.50 q 452.00 588.50 718.00 565.50 159.00 p 0.00 z 0.00 z 2324.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 888.00 664.50 179.50 j 0.00 z 0.00 z 1552.50
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 497.00 786.50 771.00 550.86 a 111.50 n 0.00 z 0.00 z 2605.36
2000 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 732.00 491.50 208.00 h 0.00 z 0.00 z 1223.50
2001 0.00 z 0.00 z 0.00 z 20.00 z 236.63 a 430.00 603.47 a 858.00 0.00 z 0.00 z 0.00 z 0.00 z 2128.10
2002 0.00 z 0.00 z 0.00 z 0.00 z 132.00 m 463.39 b 822.05 c 778.50 0.00 z 0.00 z 0.00 z 0.00 z 2063.95
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 642.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 642.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 141.50 f 435.00 620.00 624.00 535.50 118.00 s 0.00 z 0.00 z 2214.50
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 247.00 u 463.50 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 698.50 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 0.00 194.85 392.51 599.64 690.17 440.32 187.83 3.00 0.00 0.00
S.D. 0.00 0.00 0.00 0.00 38.38 54.81 75.12 93.72 75.79 58.15 0.00 0.00 0.00
SKEW 0.00 0.00 0.00 0.00 -0.83 0.31 0.48 -0.17 0.29 0.50 0.00 0.00 0.00
MAX 9999.00 - 9999.00 - 9999.00 - 9999.00 252.43 522.93 822.05 888.00 664.50 328.94 3.00 - 9999.00 -9999.00
MIN 9999.00 9999.00 9999.00 9999.00 98.34 290.77 408.00 416.50 284.00 100.00 3.00 9999.00 9999.00
NO YRS 0 0 0 0 17 50 52 53 48 20 1 0 0