JORDAN, MONTANA

Monthly Total Growing Degree Days

(244522)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1905 0.00 i 0.00 0.00 0.00 z 62.00 292.50 542.00 633.00 0.00 z 138.00 q 0.00 0.00 b 1529.50
1906 0.00 0.00 0.00 75.50 151.00 289.82 b 550.00 415.40 a 336.50 53.73 a 0.00 0.00 1871.95
1907 0.00 0.00 0.00 a 0.00 32.00 303.50 407.50 f 0.00 z 19.50 j 36.00 0.00 0.00 371.50
1908 0.00 0.00 0.00 0.00 z 51.00 265.56 c 705.00 482.00 336.00 1.50 2.14 b 0.00 1843.20
1909 0.00 0.00 a 0.00 z 0.00 0.00 z 365.50 635.00 671.00 363.50 27.38 a 0.50 0.00 2062.88
1910 0.00 0.00 27.00 130.00 111.00 585.50 808.50 0.00 z 0.00 z 221.50 1.00 0.00 1884.50
1911 0.00 0.00 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 b 0.00 e 0.00
1912 0.00 b 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 73.27 d 38.00 1.50 0.00 z 112.77
1913 0.00 0.00 0.00 c 93.10 a 222.96 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 316.07
1914 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
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 0.50 m 48.00 j 124.00 237.50 f 817.00 211.00 u 30.50 u 10.50 4.50 0.00 b 956.00
1917 0.00 0.00 a 0.00 1.50 94.55 a 302.14 b 802.50 557.50 245.50 86.05 b 4.29 b 0.00 2094.03
1918 0.00 b 0.00 12.73 c 31.07 b 166.00 571.03 a 616.79 b 497.50 0.00 z 146.50 0.00 b 0.00 b 2041.63
1919 0.00 0.00 0.00 27.93 a 186.00 e 611.90 a 744.00 b 644.11 d 305.69 a 15.50 f 0.00 0.00 a 2519.63
1920 0.00 0.00 0.00 m 0.00 a 171.65 d 330.60 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 502.25
1921 0.00 z 0.00 z 0.00 z 34.66 a 185.50 566.50 670.50 646.00 0.00 z 0.00 z 0.00 z 0.00 z 2103.16
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 800.50 752.00 280.50 22.73 a 0.00 0.00 1855.73
1931 0.00 a 0.00 2.50 92.00 257.50 587.50 696.00 649.00 370.50 40.50 20.00 0.00 2715.50
1932 0.00 14.00 0.00 78.00 251.50 466.00 683.50 639.00 211.00 52.50 0.00 0.00 2395.50
1933 0.00 0.00 4.50 30.00 170.00 659.50 796.00 632.50 296.00 62.00 0.00 0.00 2650.50
1934 0.00 0.00 1.50 42.50 448.00 461.00 791.50 624.00 212.00 124.00 12.50 0.00 2717.00
1935 0.00 a 0.00 7.00 37.00 105.50 422.50 795.50 587.00 296.00 54.00 0.00 0.00 2304.50
1936 0.00 0.00 0.00 45.00 433.50 646.50 1015.50 679.00 387.50 81.00 4.50 0.00 3292.50
1937 0.00 0.00 1.00 25.50 321.00 484.00 772.50 690.00 386.50 69.50 2.50 0.00 2752.50
1938 0.00 0.00 0.00 35.69 a 149.50 463.00 664.50 696.00 473.50 90.50 0.00 0.00 2572.69
1939 0.00 0.00 17.00 112.00 343.00 324.00 844.00 660.50 382.00 36.50 0.00 0.00 2719.00
1940 0.00 0.00 0.00 26.50 269.00 461.50 727.50 633.84 c 370.86 a 102.30 a 0.00 0.00 2591.50
1941 0.00 0.00 2.00 34.00 336.50 458.50 792.00 701.00 188.50 32.00 0.00 4.00 2548.50
1942 0.00 0.00 0.00 102.00 160.50 284.50 659.00 598.00 291.00 104.62 c 0.50 0.00 a 2200.12
1943 0.00 0.00 7.50 113.50 165.00 329.00 672.00 641.50 246.00 103.50 0.00 0.00 2278.00
1944 0.00 0.00 0.00 25.50 274.00 296.50 530.50 495.00 242.50 43.50 0.00 0.00 1907.50
1945 0.00 0.00 0.00 4.50 99.00 250.50 735.50 608.00 242.00 93.50 8.00 0.00 2041.00
1946 0.00 0.00 21.50 116.50 143.50 405.00 742.00 518.50 220.00 30.50 0.00 0.00 2197.50
1947 0.00 0.00 0.00 35.50 147.00 346.50 851.50 723.50 269.00 122.00 6.00 0.00 2501.00
1948 0.00 0.00 0.00 75.50 303.00 421.50 657.50 688.00 422.00 64.14 b 0.00 0.00 2631.64
1949 0.00 0.00 0.00 127.00 338.00 487.50 687.50 747.50 272.00 45.50 5.50 0.00 2710.50
1950 0.00 0.00 l 0.00 i 16.50 168.43 a 358.50 587.00 534.50 297.93 a 48.50 5.00 0.00 2016.36
1951 0.00 0.00 0.00 42.00 231.50 285.50 667.50 521.00 166.00 46.50 0.00 0.00 1960.00
1952 0.00 0.00 0.00 168.00 222.50 468.00 601.00 597.50 358.50 38.50 0.00 0.00 2454.00
1953 0.00 0.00 9.50 22.50 148.50 424.00 669.00 626.50 306.50 128.00 3.50 0.00 2338.00
1954 0.00 0.00 0.00 19.50 179.00 294.00 744.50 562.50 236.50 41.33 a 6.00 0.00 2083.33
1955 0.00 0.00 0.00 22.50 151.00 367.50 669.00 683.50 255.00 67.50 4.00 0.00 2220.00
1956 0.00 0.00 12.00 10.00 227.50 611.50 631.50 565.50 283.50 77.50 4.50 0.00 2423.50
1957 0.00 0.00 0.00 23.79 a 221.00 416.50 789.50 641.50 259.50 55.00 0.00 0.00 2406.79
1958 0.00 0.00 0.00 31.00 385.00 339.00 519.50 682.00 299.00 111.00 0.00 0.00 2366.50
1959 0.00 0.00 0.00 36.00 108.50 518.50 675.00 623.50 240.00 15.00 2.50 0.00 2219.00
1960 0.00 0.00 14.50 18.00 220.50 440.00 827.00 616.00 313.00 97.50 3.50 0.00 2550.00
1961 0.00 0.00 d 0.00 15.50 226.50 679.50 730.50 774.50 158.00 87.50 0.00 0.00 2672.00
1962 0.00 1.00 0.00 98.50 142.50 443.50 560.00 574.00 226.00 66.00 0.00 0.00 2111.50
1963 0.00 0.00 13.50 37.50 164.00 429.50 698.50 606.00 477.50 203.00 1.50 0.00 2631.00
1964 0.00 0.00 1.00 18.50 213.00 399.50 765.50 547.00 175.00 67.00 0.00 0.00 2186.50
1965 0.00 0.00 0.00 31.00 148.50 395.50 653.50 571.95 a 76.50 76.50 0.00 0.50 1953.95
1966 0.00 0.00 13.00 7.50 260.00 407.50 740.00 527.00 392.50 48.50 0.00 0.00 2396.00
1967 0.00 0.00 c 1.00 0.00 200.50 377.50 679.50 649.00 379.50 77.50 0.00 0.00 2364.50
1968 0.00 0.00 1.50 32.00 126.00 371.50 662.00 548.50 294.00 54.50 0.00 0.00 2090.00
1969 0.00 0.00 0.00 89.50 230.00 356.00 589.00 743.50 386.00 25.00 10.50 0.00 2429.50
1970 0.00 0.00 0.00 18.00 185.50 529.50 694.50 716.00 276.50 51.50 0.00 0.00 2471.50
1971 0.00 0.00 1.00 19.00 179.00 463.00 609.50 827.50 226.00 72.50 0.00 0.00 2397.50
1972 0.00 0.00 3.50 11.00 228.00 514.50 499.00 650.50 217.50 42.00 0.00 0.00 2166.00
1973 0.00 0.00 0.00 7.50 151.00 471.50 651.50 713.00 239.50 89.26 b 0.00 0.00 2323.26
1974 0.00 0.00 0.00 g 77.00 93.50 523.00 752.50 468.00 216.00 77.50 0.00 0.00 2207.50
1975 0.00 0.00 0.00 12.00 136.00 386.00 742.50 509.50 237.00 78.00 3.00 0.00 2104.00
1976 0.00 0.00 0.00 47.00 289.50 425.50 729.00 660.50 350.00 85.25 a 0.00 0.00 2586.75
1977 0.00 0.00 2.00 117.50 322.00 578.50 683.50 463.00 254.50 20.50 h 0.00 l 0.00 e 2421.00
1978 0.00 0.00 13.50 27.00 217.50 432.50 580.50 563.00 339.00 48.00 i 13.00 0.00 2186.00
1979 0.00 0.00 0.00 24.00 157.50 433.00 704.98 b 628.50 384.00 103.50 0.00 0.00 b 2435.48
1980 0.00 0.00 0.00 z 151.50 f 260.50 g 516.00 733.50 493.02 e 288.00 113.00 9.50 0.00 2153.02
1981 0.00 0.00 0.00 72.93 a 195.50 g 359.00 688.50 698.00 361.07 b 47.50 1.50 z 0.00 e 2227.00
1982 0.00 1.00 0.00 30.00 n 148.50 365.50 622.00 675.50 260.50 38.00 0.00 0.00 2111.00
1983 0.00 0.00 0.00 53.00 164.50 424.00 735.50 851.00 297.00 26.50 6.00 0.00 2557.50
1984 0.00 0.00 0.00 w 43.50 222.50 321.50 j 793.00 788.50 217.00 77.50 0.00 0.00 2142.00
1985 0.00 0.00 0.00 109.00 356.00 417.00 787.50 533.00 188.00 17.00 0.00 m 0.00 a 2407.50
1986 0.00 0.00 26.00 47.00 239.50 626.90 a 612.00 629.50 136.00 58.50 0.00 0.00 2375.40
1987 0.00 0.00 11.00 151.50 327.50 542.50 674.00 482.00 312.50 67.50 4.00 0.00 2572.50
1988 0.00 0.00 0.00 52.50 405.00 858.50 767.00 686.50 263.00 78.00 2.00 0.00 3112.50
1989 0.00 0.00 0.00 51.50 206.50 431.00 770.00 609.50 290.50 59.50 6.00 0.00 2424.50
1990 0.00 0.00 0.00 87.00 199.00 482.00 664.50 707.00 453.00 78.00 3.50 0.00 2674.00
1991 0.00 0.00 0.00 51.00 257.00 472.00 692.50 786.00 337.50 108.00 0.00 0.00 2704.00
1992 0.00 1.50 3.00 92.00 276.50 489.50 460.50 530.00 257.50 118.00 0.00 0.00 2228.50
1993 0.00 0.00 22.00 15.50 272.50 386.00 413.00 494.00 208.50 49.00 0.00 0.00 1860.50
1994 0.00 0.00 3.50 95.50 286.50 474.00 672.00 714.50 408.00 56.00 0.00 0.00 2710.00
1995 0.00 4.50 14.50 3.50 126.50 496.50 664.00 712.00 324.50 57.50 0.00 0.00 2403.50
1996 0.00 0.00 0.00 67.00 123.00 538.50 663.50 732.50 275.00 100.00 0.00 0.00 2499.50
1997 0.00 0.00 21.50 20.50 217.50 586.00 689.50 702.50 460.00 109.50 0.00 0.00 2807.00
1998 0.00 0.00 0.00 90.50 295.50 331.50 0.00 z 771.38 a 227.00 o 25.50 l 0.00 p 0.00 m 1488.88
1999 0.00 p 0.00 j 0.00 k 13.50 o 97.50 n 266.50 h 374.00 m 456.00 j 79.50 o 24.00 p 11.00 o 0.00 t 0.00
2000 0.00 o 0.00 j 2.00 n 42.50 229.50 371.00 746.50 678.50 0.00 z 32.00 0.00 0.00 c 2100.00
2001 0.00 0.00 z 0.00 61.00 249.00 399.50 693.50 676.00 323.00 34.50 6.00 0.00 2442.50
2002 0.00 0.00 z 0.00 z 0.00 z 154.00 436.50 756.50 469.50 300.00 13.00 0.00 0.00 2129.50
2003 0.00 0.00 9.00 87.00 209.00 366.50 763.00 779.50 225.50 124.50 0.00 0.00 2564.00
2004 0.00 0.00 11.00 48.50 104.50 273.00 638.00 496.00 0.00 z 32.00 0.50 0.00 1603.50
2005 0.00 0.00 8.50 36.00 145.50 418.00 691.00 546.50 260.50 63.50 4.50 0.00 2174.00
2006 0.00 0.00 0.00 44.00 206.50 j 492.00 826.50 627.00 238.00 51.00 12.00 0.00 2290.50
2007 0.00 0.00 29.00 63.00 216.00 450.50 860.50 625.00 272.00 0.00 z 0.00 c 0.00 a 2516.00
2008 0.00 a 0.00 0.00 0.00 z 0.00 z 298.00 639.50 602.50 179.00 71.50 6.00 0.00 f 1796.50
2009 0.00 e 0.00 3.00 20.50 134.50 332.00 589.00 490.50 386.50 7.00 2.00 0.00 a 1965.00
2010 0.00 0.00 3.00 31.07 b 127.50 357.50 568.50 573.00 193.50 90.00 7.50 0.00 1951.57
2011 0.00 o 0.00 s 0.00 n 6.00 e 29.50 k 294.00 e 672.81 d 397.50 j 175.00 l 109.53 a 3.50 0.00 1085.85
2012 0.00 z 0.00 16.50 73.00 146.50 504.00 865.50 602.00 283.97 a 34.88 c 5.89 b 0.00 2532.23
2013 0.00 0.00 0.00 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 0.00
Period of Record Statistics
MEAN 0.00 0.24 4.43 49.05 205.07 435.92 695.89 625.48 286.19 68.39 2.33 0.05 2400.27
S.D. 0.00 1.55 7.38 38.33 84.44 109.39 96.33 92.76 82.13 38.85 3.72 0.42 290.24
SKEW 0.00 8.06 1.73 0.93 0.67 0.82 -0.07 0.02 0.08 1.18 2.14 9.18 0.30
MAX 0.00 14.00 29.00 168.00 448.00 858.50 1015.50 851.00 477.50 221.50 20.00 4.00 3292.50
MIN 0.00 0.00 0.00 0.00 32.00 250.50 413.00 415.40 73.27 1.50 0.00 0.00 1860.50
NO YRS 91 90 84 87 88 91 91 89 84 87 90 91 64