DIVIDE, MONTANA

Monthly Total Growing Degree Days

(242421)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1915 0.00 z 0.00 z 0.00 z 3.50 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
1916 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 11.50 z 0.00 z 0.00 z 0.00
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 38.08 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 0.00 38.08
1949 0.00 0.00 0.50 180.00 372.00 467.59 a 717.50 745.00 429.50 58.00 53.28 a 0.00 3023.36
1950 5.50 10.50 12.00 57.00 199.50 424.50 643.50 663.00 359.00 217.50 10.50 0.00 2602.50
1951 0.00 12.00 1.50 86.50 286.50 313.00 734.50 606.50 338.00 122.00 0.50 0.00 2501.00
1952 0.00 0.00 0.00 148.50 288.50 492.50 654.00 669.50 504.00 255.50 0.50 0.00 3013.00
1953 9.00 1.00 12.50 78.00 162.00 429.00 796.50 456.50 i 498.00 235.50 26.00 0.00 2247.50
1954 0.00 3.50 11.50 106.61 b 296.50 329.50 787.50 604.00 410.00 118.12 b 49.14 a 0.00 2716.37
1955 0.00 a 0.00 b 0.53 b 17.14 b 196.50 433.97 a 656.17 a 763.63 a 388.50 195.00 2.59 a 1.50 2655.53
1956 0.00 0.00 a 21.00 77.50 343.00 513.50 713.50 618.45 a 421.03 a 168.90 b 17.50 5.54 c 2899.92
1957 0.00 c 0.00 a 1.60 b 59.00 341.00 a 501.21 a 742.40 b 700.50 413.79 a 106.43 a 0.00 a 0.00 2865.93
1958 0.00 5.00 0.00 40.00 478.50 464.00 623.50 773.00 365.50 211.00 9.00 2.50 2972.00
1959 0.50 0.00 3.00 91.50 136.50 537.50 725.00 633.50 322.50 134.50 18.00 0.00 2602.50
1960 0.00 0.00 52.00 74.50 200.00 494.50 830.50 581.50 422.00 157.00 6.00 0.00 2818.00
1961 0.00 11.00 11.50 51.50 278.00 669.00 785.00 808.50 196.00 136.00 0.00 0.00 2946.50
1962 0.00 0.00 1.50 135.50 217.00 466.00 632.50 587.00 384.50 194.50 20.50 0.00 2639.00
1963 0.00 9.00 17.50 59.50 305.50 413.00 666.00 698.00 539.50 267.00 3.00 0.00 2978.00
1964 0.00 0.00 11.00 47.50 252.00 403.50 772.50 575.00 309.50 192.50 4.50 0.00 2568.00
1965 0.00 2.50 3.50 85.00 195.00 440.00 679.00 621.00 148.00 242.50 22.00 2.50 2441.00
1966 0.00 0.00 47.50 78.50 381.50 431.90 a 798.50 662.00 525.00 143.50 13.50 0.00 3081.90
1967 0.00 1.50 4.50 4.50 263.50 454.50 764.00 782.00 541.50 121.00 14.50 0.00 2951.50
1968 0.00 2.50 17.50 52.50 158.50 430.50 756.50 569.00 351.00 110.00 0.50 0.00 2448.50
1969 0.00 0.00 6.50 112.00 362.50 409.50 691.50 754.00 437.50 59.00 8.00 0.00 2840.50
1970 0.00 3.50 0.50 14.50 288.00 549.50 764.00 767.00 296.00 100.00 0.00 0.00 2783.00
1971 18.00 2.00 7.00 43.50 292.50 422.50 694.00 841.50 264.50 141.50 9.00 0.00 2736.00
1972 0.00 5.00 53.50 38.00 249.00 536.50 643.50 731.00 289.00 116.50 0.00 5.00 2667.00
1973 0.00 0.00 z 0.00 25.50 262.50 465.00 763.00 713.50 347.00 138.00 5.50 0.00 2720.00
1974 8.00 0.00 11.00 87.00 163.50 643.00 770.00 600.50 404.00 183.50 2.00 0.00 2872.50
1975 0.00 0.00 0.00 0.00 157.00 371.50 778.50 550.50 388.00 116.00 28.50 9.50 2399.50
1976 0.00 1.00 3.50 52.50 327.50 384.50 719.50 586.50 398.00 139.50 25.00 0.00 2637.50
1977 0.00 1.50 0.50 150.50 179.00 577.50 628.00 600.00 340.00 120.00 0.00 1.00 2598.00
1978 0.00 0.00 71.50 57.00 179.00 451.50 655.50 608.00 368.00 190.00 24.00 0.00 2604.50
1979 0.00 0.00 5.00 62.00 268.00 520.00 730.00 676.50 508.50 223.00 0.50 1.50 2995.00
1980 0.00 1.50 2.00 188.50 282.00 429.50 695.50 538.50 385.50 169.50 25.00 22.00 2739.50
1981 0.00 3.00 1.50 127.00 236.50 414.50 675.50 748.50 428.50 67.50 13.00 1.00 2716.50
1982 0.00 4.50 6.50 56.00 199.50 459.50 660.00 718.00 332.50 88.50 0.00 0.00 2525.00
1983 0.00 0.00 10.00 43.50 256.00 436.00 631.00 745.00 324.00 142.50 32.50 0.00 2620.50
1984 13.50 0.00 4.00 54.00 271.50 408.50 738.00 734.50 297.00 137.50 5.00 0.00 2663.50
1985 0.00 0.00 0.50 167.50 346.00 535.00 874.00 593.50 250.00 107.50 18.00 0.00 2892.00
1986 0.00 15.50 64.00 89.50 312.50 662.00 609.00 741.00 208.00 139.50 12.50 0.00 2853.50
1987 0.00 0.00 17.50 226.50 384.00 573.00 639.00 573.50 499.50 187.50 23.50 0.00 3124.00
1988 0.00 0.00 21.50 145.00 335.00 667.50 803.00 703.00 381.50 293.00 14.00 2.50 3366.00
1989 0.00 0.00 16.00 130.50 240.00 530.50 816.00 606.50 385.00 143.00 57.00 1.00 2925.50
1990 1.00 3.50 9.50 148.50 199.50 476.00 752.00 692.00 576.50 117.50 39.00 0.00 3015.00
1991 0.00 6.50 5.50 51.00 221.00 434.00 784.50 804.00 464.00 224.00 2.50 0.00 a 2997.00
1992 0.00 3.00 40.50 182.50 423.50 570.00 606.50 671.00 407.00 196.50 2.00 0.00 3102.50
1993 0.00 0.00 38.00 40.50 398.00 403.00 446.00 520.00 364.50 165.50 3.00 0.00 2378.50
1994 1.50 0.00 44.00 147.00 373.50 526.50 727.00 763.50 528.50 93.00 0.00 1.50 3206.00
1995 0.00 0.00 z 0.00 z 3.00 o 194.50 422.50 643.00 615.00 385.50 62.00 41.50 5.00 2369.00
1996 0.00 m 7.00 0.00 73.97 a 156.00 496.00 718.50 646.50 280.50 149.00 2.50 0.00 2529.97
1997 0.00 0.00 33.00 37.50 323.50 471.00 458.00 i 655.50 408.00 101.27 a 9.00 0.00 k 2038.77
1998 0.00 b 0.00 13.00 68.00 303.50 58.00 l 604.50 h 488.00 j 331.00 j 70.78 a 4.00 i 0.00 j 455.28
1999 0.00 k 0.00 l 26.00 l 27.00 h 183.50 g 241.00 j 431.50 h 426.00 l 310.20 e 138.00 g 46.00 g 0.00 n 310.20
2000 0.00 h 0.00 f 8.50 g 89.50 g 133.00 o 284.00 l 530.00 i 762.48 e 218.50 l 71.50 h 0.00 l 0.00 i 762.48
2001 0.00 i 0.00 z 4.00 g 51.50 l 143.00 n 361.50 h 314.50 o 473.00 m 231.00 q 73.00 m 1.50 k 0.00 s 0.00
2002 0.00 n 1.00 0.00 k 25.00 i 185.50 509.50 632.50 g 564.50 313.50 h 61.50 1.50 n 0.00 j 1322.00
2003 0.00 1.00 j 24.50 g 98.50 263.50 e 384.50 f 905.56 e 675.00 f 409.80 e 242.50 4.00 0.00 1923.86
2004 0.00 0.00 77.00 116.50 237.50 441.00 739.50 646.00 338.00 147.50 15.50 2.00 2760.50
2005 6.50 0.00 24.50 83.50 239.50 372.00 747.00 668.50 356.00 176.50 8.50 0.52 a 2683.02
2006 0.00 z 6.00 8.00 99.50 320.50 553.00 877.00 642.00 370.50 124.00 42.00 0.00 3042.50
2007 0.00 4.50 64.50 82.00 313.50 539.00 949.50 683.00 365.50 99.00 24.50 0.00 3125.00
2008 0.00 0.00 0.00 51.00 231.00 411.00 736.00 691.00 323.50 142.00 20.00 3.00 2608.50
2009 2.50 3.50 10.50 70.00 293.00 418.00 687.00 669.50 536.50 44.00 16.00 0.00 2750.50
2010 0.00 0.00 11.50 91.00 130.00 401.00 636.50 621.50 374.50 218.50 17.50 0.00 b 2502.00
2011 0.00 5.50 1.50 17.00 162.00 372.50 707.00 728.00 490.00 166.88 a 0.00 b 0.00 2650.38
2012 0.50 0.00 35.00 155.17 a 231.00 491.11 c 838.03 a 733.00 497.00 133.00 37.00 1.00 3151.82
2013 0.00 0.00 8.00 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 8.00
Period of Record Statistics
MEAN 1.13 2.31 16.22 84.21 264.64 472.26 723.41 670.66 386.41 149.58 14.32 1.16 2792.59
S.D. 3.37 3.53 20.09 50.16 77.32 78.54 85.05 76.48 89.79 56.73 14.70 3.26 228.20
SKEW 3.49 1.84 1.54 0.71 0.37 0.68 -0.04 0.11 -0.09 0.36 1.13 4.89 0.26
MAX 18.00 15.50 77.00 226.50 478.50 669.00 949.50 841.50 576.50 293.00 57.00 22.00 3366.00
MIN 0.00 0.00 0.00 0.00 130.00 313.00 446.00 520.00 148.00 44.00 0.00 0.00 2378.50
NO YRS 59 59 59 60 61 59 58 59 60 61 60 59 52