CROW AGENCY, MONTANA

Monthly Total Cooling Degree Days

(242112)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199107
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
1898 0.00 z 0.00 z 0.00 z 1.00 0.00 73.00 159.00 166.50 2.50 0.00 0.00 0.00 402.00
1899 0.00 0.00 0.00 0.00 0.00 54.00 145.00 74.00 20.00 0.00 0.00 c 0.00 293.00
1900 0.00 0.00 0.00 0.00 15.00 171.50 172.50 96.00 13.50 0.00 0.00 0.00 a 468.50
1901 0.00 b 0.00 0.00 a 0.00 a 55.80 a 18.50 298.00 185.00 17.00 0.00 0.00 b 0.00 574.30
1902 0.00 o 0.00 0.00 0.00 14.00 47.00 152.00 107.00 5.00 0.00 0.00 b 0.00 325.00
1903 0.00 0.00 0.00 0.00 a 6.50 75.50 169.00 138.50 3.00 0.00 0.00 a 0.00 392.50
1904 0.00 0.00 a 0.00 0.00 3.50 55.50 149.50 134.00 16.00 0.00 0.00 0.00 358.50
1905 0.00 0.00 0.00 0.00 1.00 33.00 141.50 202.50 18.50 0.00 0.00 0.00 396.50
1906 0.00 0.00 0.00 0.50 9.00 41.50 163.50 126.00 40.80 e 0.50 0.00 0.00 381.80
1907 0.00 0.00 0.00 a 0.00 0.00 7.50 117.50 77.00 6.00 0.00 0.00 0.00 208.00
1908 0.00 k 0.00 j 0.00 0.50 2.00 15.50 227.00 93.00 48.00 0.00 0.00 0.00 386.00
1909 0.00 0.00 0.00 0.00 0.00 97.00 204.50 215.00 12.00 0.00 0.00 0.00 528.50
1910 0.00 0.00 0.00 0.00 u 0.00 l 101.50 i 244.50 71.00 9.00 0.00 0.00 0.00 324.50
1911 0.00 0.00 0.00 0.00 5.00 w 96.50 93.00 82.84 b 20.50 f 0.00 0.00 0.00 272.34
1912 0.00 0.00 0.00 a 0.00 b 3.00 99.00 94.00 54.25 a 0.00 a 0.00 a 0.00 0.00 250.25
1913 0.00 0.00 0.00 0.00 27.90 a 82.50 140.00 82.00 q 48.50 0.00 c 0.00 e 0.00 298.90
1914 0.00 0.00 e 0.00 0.00 3.00 55.00 257.50 116.00 25.34 a 0.00 i 0.00 a 0.00 456.84
1915 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
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 0.00 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 242.50 k 102.50 7.50 0.00 f 0.00 0.00 110.00
1918 0.00 0.00 0.00 0.00 0.00 275.00 245.02 e 125.50 1.50 0.00 0.00 0.00 647.02
1919 0.00 0.00 0.00 0.00 69.50 234.50 259.50 119.00 24.50 0.00 0.00 0.00 707.00
1920 0.00 0.00 0.00 0.00 13.50 422.50 429.00 223.50 30.00 a 0.00 0.00 0.00 1118.50
1921 0.00 0.00 0.00 0.00 0.00 196.50 310.00 a 211.00 34.00 0.00 0.00 0.00 751.50
1922 0.00 0.00 0.00 0.00 5.50 138.00 197.50 237.50 11.50 0.00 0.00 0.00 590.00
1923 0.00 0.00 0.00 0.00 0.00 78.50 364.50 99.50 22.00 0.00 0.00 0.00 564.50
1924 0.00 0.00 0.00 0.00 0.00 93.00 165.00 89.50 3.00 0.00 0.00 0.00 350.50
1925 0.00 0.00 0.00 0.00 27.50 111.50 216.50 58.50 47.40 e 0.00 0.00 0.00 461.40
1926 0.00 0.00 d 0.00 b 0.00 27.50 67.00 245.50 135.50 0.50 0.00 0.00 0.00 476.00
1927 0.00 0.00 0.00 0.00 0.00 1.50 58.00 0.50 0.00 0.00 b 0.00 0.00 60.00
1928 0.00 a 0.00 0.00 0.00 14.50 4.00 95.00 69.50 2.00 f 0.00 0.00 0.00 f 183.00
1929 0.00 0.00 0.00 0.00 c 34.88 c 70.00 317.48 b 231.00 14.50 0.00 0.00 0.00 667.86
1930 0.00 0.00 0.00 0.00 a 5.50 118.00 305.50 259.37 a 4.50 0.00 0.00 0.00 692.87
1931 0.00 0.00 g 0.00 0.00 36.17 d 208.50 272.00 201.50 58.50 0.00 d 0.00 0.00 776.67
1932 0.00 0.00 0.00 0.00 17.00 127.50 q 267.78 b 215.50 11.00 0.00 0.00 0.00 511.28
1933 0.00 0.00 0.00 0.00 d 9.30 a 131.00 m 361.00 176.00 14.00 0.00 0.00 0.00 560.30
1934 0.00 0.00 0.00 0.00 102.00 113.50 333.50 239.50 23.00 0.00 0.00 0.00 811.50
1935 0.00 f 0.00 0.00 0.00 0.00 50.00 343.50 158.50 12.50 0.00 0.00 0.00 564.50
1936 0.00 0.00 0.00 0.00 33.50 206.00 459.00 235.27 c 32.50 0.00 0.00 0.00 966.27
1937 0.00 0.00 0.00 0.50 f 34.50 114.50 330.00 202.50 52.50 0.00 0.00 0.00 734.00
1938 0.00 0.00 0.00 0.00 2.50 91.50 177.50 121.50 39.50 0.00 0.00 0.00 432.50
1939 0.00 0.00 0.00 13.00 30.00 f 29.00 314.00 169.50 23.00 0.00 0.00 0.00 548.50
1940 0.00 0.00 0.00 0.00 9.00 116.00 294.50 245.00 71.00 0.00 0.00 0.00 735.50
1941 0.00 0.00 0.00 0.00 10.50 120.50 237.00 201.50 1.50 0.00 0.00 0.00 571.00
1942 0.00 0.00 0.00 0.00 2.00 6.50 193.50 124.00 21.50 0.00 0.00 0.00 347.50
1943 0.00 0.00 0.00 0.00 4.50 34.00 176.00 148.00 6.50 0.00 0.00 0.00 369.00
1944 0.00 0.00 0.00 0.00 13.50 20.00 72.33 a 72.00 5.50 0.00 a 0.00 0.00 183.33
1945 0.00 a 0.00 0.00 0.00 1.00 25.50 211.83 a 162.50 48.00 0.00 0.00 0.00 448.83
1946 0.00 0.00 0.00 0.00 1.50 46.00 249.50 141.00 17.50 0.50 0.00 0.00 456.00
1947 0.00 0.00 0.00 0.00 0.50 16.50 249.50 195.00 29.00 2.00 0.00 0.00 492.50
1948 0.00 0.00 0.00 1.00 49.00 108.50 146.50 h 174.00 32.59 a 5.50 0.00 0.00 a 370.59
1949 0.00 0.00 0.00 0.00 6.20 a 60.00 191.68 a 203.29 e 8.50 h 0.00 d 0.00 0.00 461.17
1950 0.00 0.00 0.00 0.00 4.50 37.50 117.28 a 67.54 c 44.46 b 0.00 0.00 0.00 b 271.28
1951 0.00 b 0.00 0.00 0.00 c 10.85 a 6.11 c 242.83 d 124.00 c 0.00 a 0.00 0.00 b 0.00 f 383.79
1952 0.00 b 0.00 0.00 a 2.68 b 0.57 d 109.82 b 165.69 b 181.19 b 40.38 d 0.00 b 0.00 a 0.00 b 500.34
1953 0.00 b 0.00 c 0.00 d 0.00 c 1.60 b 64.29 b 252.50 170.00 20.00 c 0.55 c 0.00 a 0.00 f 508.94
1954 0.00 0.00 c 0.00 0.00 a 7.00 f 49.00 272.28 a 132.61 d 15.00 a 0.00 a 0.00 0.00 468.89
1955 0.00 a 0.00 0.00 c 0.00 0.00 a 37.00 224.75 a 198.29 b 34.00 0.00 b 0.00 0.00 494.04
1956 0.00 0.00 0.00 0.00 23.00 136.50 188.58 a 115.70 c 19.50 0.00 0.00 0.00 483.28
1957 0.00 a 0.00 0.00 b 0.00 b 6.41 b 35.00 265.00 193.50 9.50 1.55 a 0.00 0.00 510.96
1958 0.00 0.00 0.00 0.00 50.50 19.50 81.00 204.08 a 53.00 0.00 b 0.00 0.00 408.08
1959 0.00 0.00 0.00 0.00 a 0.00 135.50 210.50 153.50 48.62 a 0.00 r 0.00 0.00 548.12
1960 0.00 0.00 0.00 a 0.00 c 16.50 64.00 308.50 106.50 43.45 a 0.00 b 0.00 0.00 538.95
1961 0.00 0.00 0.00 0.00 22.50 180.50 263.50 a 286.75 c 6.50 0.00 a 0.00 0.00 a 759.75
1962 0.00 a 0.00 c 0.00 a 0.00 a 0.00 b 59.50 102.50 118.83 a 1.03 a 0.00 a 0.00 a 0.00 281.87
1963 0.00 0.00 0.00 0.00 3.74 b 48.00 229.29 b 173.50 g 45.58 d 14.90 e 0.00 l 0.00 341.52
1964 0.00 0.00 0.00 b 0.00 9.50 47.07 a 282.00 124.52 a 0.00 0.00 0.00 z 0.00 463.09
1965 0.00 0.00 0.00 0.00 0.00 22.50 208.00 141.00 0.00 0.50 0.00 0.00 372.00
1966 0.00 0.00 0.00 0.00 51.15 a 73.50 371.50 182.00 78.50 0.00 0.00 0.00 756.65
1967 0.00 0.00 0.00 0.00 9.50 18.00 223.72 a 202.50 64.00 0.00 0.00 0.00 517.72
1968 0.00 0.00 0.00 0.00 4.65 a 36.50 187.00 115.50 21.00 0.00 0.00 0.00 c 364.65
1969 0.00 0.00 0.00 a 0.00 31.00 31.00 165.16 b 225.50 27.00 0.00 h 0.00 0.00 479.66
1970 0.00 0.00 0.00 0.00 12.50 104.00 231.50 239.50 43.50 0.00 0.00 0.00 631.00
1971 0.00 0.00 0.00 0.00 6.00 91.00 146.45 b 354.95 a 33.00 0.00 0.00 0.00 a 631.40
1972 0.00 0.00 0.00 0.00 10.50 99.00 133.00 202.50 7.50 0.00 b 0.00 0.00 452.50
1973 0.00 0.00 0.00 0.00 3.50 100.50 176.50 206.00 9.50 0.00 0.00 0.00 e 496.00
1974 0.00 0.00 0.00 8.79 a 2.58 a 135.00 295.03 b 63.50 8.50 0.00 e 0.00 0.00 513.41
1975 0.00 0.00 0.00 a 0.00 7.50 19.44 c 269.50 109.57 b 5.00 0.00 l 0.00 0.00 c 411.01
1976 0.00 0.00 a 0.00 0.00 b 0.00 z 37.22 c 237.87 e 0.00 z 30.00 b 0.00 h 0.00 f 0.00 305.09
1977 0.00 e 0.00 d 0.00 g 0.50 h 13.20 d 153.00 e 196.00 h 93.50 24.23 d 0.00 c 0.00 c 0.00 e 283.93
1978 0.00 f 0.00 f 0.00 c 1.00 h 8.00 f 55.50 f 153.21 e 86.50 j 44.50 f 0.00 f 0.00 f 0.00 k 153.21
1979 0.00 e 0.00 a 0.00 b 0.00 e 5.50 h 88.89 c 222.37 e 171.00 f 60.58 d 0.00 k 0.00 g 0.00 h 371.83
1980 0.00 b 0.00 e 0.00 k 5.50 j 0.00 n 47.50 i 191.96 e 39.00 f 0.00 k 0.00 z 0.00 z 0.00 z 191.96
1981 0.00 z 0.00 h 0.00 i 0.00 j 0.00 j 22.80 e 187.72 d 148.50 f 50.40 e 0.00 h 0.00 h 0.00 i 260.92
1982 0.00 0.00 0.00 0.00 1.00 40.50 152.00 220.00 42.50 0.00 0.00 0.00 j 456.00
1983 0.00 r 0.00 b 0.00 b 0.00 i 5.34 b 29.50 n 258.85 a 374.07 a 56.38 a 0.00 k 0.00 i 0.00 a 694.64
1984 0.00 m 0.00 a 0.00 o 0.00 c 28.00 69.00 242.32 a 187.00 l 38.00 k 2.14 b 0.00 b 0.00 r 341.45
1985 0.00 b 0.00 a 0.00 0.00 a 29.93 b 61.50 270.70 c 94.00 i 3.50 f 0.00 c 0.00 c 0.00 k 362.13
1986 0.00 0.00 0.00 0.00 b 18.00 145.00 169.00 198.40 a 3.00 0.00 0.00 c 0.00 533.40
1987 0.00 a 0.00 0.00 a 3.50 18.50 f 110.00 239.73 a 89.38 a 22.00 0.00 0.00 b 0.00 464.62
1988 0.00 0.00 0.00 0.00 n 33.00 307.50 283.50 159.00 17.00 0.00 0.00 0.00 800.00
1989 0.00 0.00 0.00 2.50 0.00 78.00 361.50 0.00 z 0.00 m 0.00 z 0.00 v 0.00 t 442.00
1990 0.00 u 0.00 k 0.00 m 0.00 q 0.00 o 48.50 k 89.50 o 85.50 q 8.50 x 0.00 r 0.00 o 0.00 l 0.00
1991 0.00 p 0.00 n 0.00 r 0.00 1.00 14.50 86.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 15.50
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.41 13.62 84.36 223.62 158.01 24.03 0.36 0.00 0.00 505.20
S.D. 0.00 0.00 0.00 1.79 18.28 71.96 80.24 67.33 19.50 1.82 0.00 0.00 193.02
SKEW 0.00 0.00 0.00 5.66 2.26 1.98 0.34 0.52 0.69 7.01 0.00 0.00 0.61
MAX 0.00 0.00 0.00 13.00 102.00 422.50 459.00 374.07 78.50 14.90 0.00 0.00 1118.50
MIN 0.00 0.00 0.00 0.00 0.00 1.50 58.00 0.50 0.00 0.00 0.00 0.00 60.00
NO YRS 81 84 84 82 80 84 87 80 82 78 81 79 52