JORDAN, MONTANA

Monthly Total Growing Degree Days

(244522)

Base Temperature = 40 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 40.00 77.50 0.00 z 296.00 577.50 852.00 943.00 0.00 z 238.00 q 5.50 0.00 b 2791.50
1906 0.00 9.50 23.00 204.50 408.50 586.07 b 860.00 725.40 a 636.50 224.75 a 30.50 0.50 3709.22
1907 0.00 0.00 6.20 a 84.50 189.00 603.00 657.50 f 0.00 z 198.50 j 273.50 63.00 14.50 1233.70
1908 0.50 8.50 23.00 0.00 z 256.00 565.56 c 1015.00 792.00 589.50 110.50 33.75 b 1.00 3395.31
1909 1.50 0.00 a 0.00 z 8.00 0.00 z 664.50 945.00 981.00 658.50 137.95 a 60.50 0.00 3456.95
1910 0.00 0.00 156.50 343.00 398.50 884.00 1118.50 0.00 z 0.00 z 471.50 34.00 0.00 3406.00
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 290.77 d 192.00 34.00 0.00 z 516.77
1913 1.00 8.50 2.21 c 277.24 a 487.65 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 776.61
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 26.50 m 190.50 j 363.00 477.00 f 1127.00 311.00 u 105.50 u 119.50 51.50 7.48 b 1668.48
1917 0.00 0.00 a 0.00 62.00 343.07 a 594.11 b 1112.50 867.50 539.50 214.33 b 57.86 b 3.00 3793.86
1918 0.00 b 0.00 92.45 c 123.75 b 421.00 871.03 a 925.19 b 807.50 0.00 z 368.00 20.89 b 0.00 b 3629.81
1919 18.50 0.00 4.00 186.72 a 435.79 e 911.90 a 1054.00 b 954.11 d 583.97 a 73.50 f 1.00 0.00 a 4149.99
1920 0.00 0.00 10.50 m 34.14 a 443.19 d 623.40 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1100.72
1921 0.00 z 0.00 z 0.00 z 190.86 a 455.50 864.50 980.50 956.00 0.00 z 0.00 z 0.00 z 0.00 z 3447.36
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 1110.50 1062.00 565.00 129.68 a 49.50 1.00 2917.68
1931 23.25 a 0.50 52.50 262.00 520.50 887.50 1006.00 959.00 662.50 239.00 71.50 0.00 4684.25
1932 0.00 61.00 10.00 270.50 541.50 766.00 993.50 949.00 496.00 184.00 25.50 1.50 4298.50
1933 0.00 0.00 53.00 181.00 443.50 959.50 1106.00 942.50 584.00 229.00 63.50 4.00 4566.00
1934 2.50 18.00 70.50 231.50 752.50 761.00 1101.50 934.00 452.50 362.50 105.50 0.00 4792.00
1935 0.00 a 0.50 41.50 165.00 356.00 722.50 1105.50 897.00 582.00 244.00 2.50 0.00 4116.50
1936 0.00 0.00 24.50 218.00 738.00 946.50 1325.50 989.00 674.00 280.00 49.00 0.50 5245.00
1937 0.00 0.00 27.50 189.50 630.50 784.00 1082.50 1000.00 653.50 275.50 32.50 0.00 4675.50
1938 0.00 0.00 46.00 209.48 a 415.50 763.00 974.50 1006.00 773.50 303.00 9.50 0.00 4500.48
1939 0.00 0.00 101.00 304.50 644.00 622.00 1154.00 970.50 661.50 229.00 50.50 52.50 4789.50
1940 0.00 0.00 39.50 134.00 575.00 761.50 1037.50 943.84 c 670.86 a 359.08 a 1.00 5.50 4527.78
1941 2.00 1.00 42.50 179.00 637.00 758.50 1102.00 1011.00 437.50 218.50 33.50 26.00 4448.50
1942 0.00 0.00 8.50 300.50 412.50 584.50 969.00 908.00 563.00 300.04 c 26.50 2.58 a 4075.12
1943 0.00 0.00 60.00 352.00 404.50 609.00 982.00 951.50 532.00 284.00 7.50 12.50 4195.00
1944 2.50 0.00 0.00 192.00 549.50 585.50 840.50 805.00 517.50 293.50 12.50 0.00 3798.50
1945 0.00 0.00 55.50 98.50 334.50 525.00 1045.50 918.00 485.50 283.50 33.00 0.00 3779.00
1946 0.00 8.00 89.00 352.00 410.00 705.00 1052.00 828.50 501.50 117.00 1.50 0.00 4064.50
1947 0.00 0.00 13.50 161.00 426.00 646.50 1161.50 1033.50 554.00 367.50 31.50 0.00 4395.00
1948 3.00 0.00 19.50 252.00 580.00 721.50 967.50 998.00 719.50 267.78 b 8.00 3.50 4540.28
1949 0.00 0.00 6.00 374.00 622.00 783.00 997.50 1057.50 555.00 201.50 115.00 3.00 4714.50
1950 0.00 0.00 l 0.00 i 112.00 398.35 a 648.50 897.00 844.50 552.93 a 270.00 17.00 5.50 3745.78
1951 0.00 4.50 9.50 135.50 526.00 576.00 977.50 831.00 427.00 201.00 7.00 4.00 3699.00
1952 0.00 0.00 0.00 380.50 531.00 768.00 911.00 907.50 658.50 225.00 34.50 0.00 4416.00
1953 8.50 3.00 67.50 102.00 376.50 724.00 979.00 936.50 603.00 387.50 69.00 0.50 4257.00
1954 1.00 29.00 14.00 141.50 448.50 590.50 1054.50 872.50 515.00 200.98 a 114.00 7.00 3988.48
1955 0.00 0.00 25.00 198.00 443.50 667.50 979.00 993.50 497.00 286.50 20.00 0.00 4110.00
1956 0.00 0.00 71.00 82.00 481.00 911.50 941.50 875.50 573.00 286.50 38.00 24.50 4284.50
1957 0.00 0.00 18.50 127.76 a 515.00 716.50 1099.50 951.50 536.50 192.00 14.50 10.50 4182.26
1958 0.00 13.50 32.00 182.50 694.50 639.00 829.50 992.00 584.50 301.00 21.50 7.50 4297.50
1959 0.00 0.00 39.50 195.00 365.50 818.00 985.00 933.50 489.00 144.00 20.00 4.00 3993.50
1960 0.00 0.00 88.00 173.00 506.00 740.00 1137.00 926.00 604.50 308.00 29.50 3.00 4515.00
1961 3.50 29.75 d 94.00 128.50 512.00 979.50 1040.50 1084.50 390.50 252.50 14.00 1.50 4530.75
1962 14.00 24.50 27.50 300.50 439.00 739.00 870.00 884.00 503.50 328.50 84.00 10.00 4224.50
1963 1.00 20.50 108.00 176.50 440.50 729.50 1008.50 916.00 777.50 452.00 41.00 2.00 4673.00
1964 3.50 0.00 22.50 191.50 514.00 699.50 1075.50 857.00 452.50 280.00 30.50 0.00 4126.50
1965 0.00 1.00 0.00 122.50 397.50 695.50 963.50 880.92 a 241.00 332.00 39.00 11.00 3683.92
1966 0.00 0.00 79.50 108.00 528.50 707.50 1050.00 836.50 686.00 226.50 1.00 2.00 4225.50
1967 0.50 3.36 c 43.00 98.00 429.50 677.50 989.50 959.00 679.50 288.00 22.00 0.00 4189.86
1968 7.00 3.50 82.50 134.00 370.50 671.50 972.00 858.50 589.50 233.00 26.00 0.00 3948.00
1969 0.00 0.00 12.50 316.00 504.00 655.50 899.00 1053.50 686.00 119.00 56.50 1.00 4303.00
1970 0.00 0.00 8.50 103.50 449.50 829.50 1004.50 1026.00 537.00 171.50 6.00 0.00 4136.00
1971 0.00 0.00 18.00 169.00 468.00 763.00 919.50 1137.50 488.00 248.00 33.00 0.00 4244.00
1972 0.00 3.50 105.00 143.50 489.00 814.50 809.00 960.50 466.50 188.50 12.00 1.50 3993.50
1973 16.50 2.50 46.00 113.00 436.00 768.00 961.50 1023.00 515.50 304.66 b 21.50 0.00 4208.16
1974 11.50 4.00 30.00 g 255.00 333.50 823.00 1062.50 778.00 486.00 301.50 20.00 0.00 4075.00
1975 0.00 0.00 15.50 99.50 422.00 686.00 1052.50 819.50 522.00 243.00 72.00 8.00 3940.00
1976 1.50 14.00 48.00 233.00 587.50 725.50 1039.00 970.50 644.00 219.07 a 37.00 5.50 4524.57
1977 0.00 5.50 46.00 335.50 624.00 878.50 993.50 773.00 552.50 165.50 h 1.00 l 0.00 e 4208.50
1978 0.00 0.00 61.50 178.00 520.00 732.50 890.50 873.00 623.00 198.50 i 60.00 0.00 3938.50
1979 0.00 0.00 3.00 131.50 395.00 731.50 1014.98 b 938.50 682.00 323.50 16.00 18.71 b 4254.69
1980 0.00 6.00 0.00 z 342.50 f 488.50 g 816.00 1043.50 803.02 e 578.50 292.00 76.50 25.00 3640.52
1981 2.50 40.00 60.50 271.03 a 425.50 g 659.00 998.50 1008.00 650.36 b 227.00 32.00 z 13.12 e 3930.01
1982 0.00 14.50 12.50 129.50 n 396.50 663.50 932.00 985.50 517.50 204.00 1.00 2.50 3729.50
1983 0.00 28.50 42.00 163.00 417.50 724.00 1045.50 1161.00 537.50 247.50 54.50 0.00 4421.00
1984 4.00 4.00 0.00 w 204.00 492.00 521.50 j 1103.00 1098.50 437.00 232.50 14.00 0.00 3589.00
1985 0.00 3.00 37.00 304.00 658.00 717.00 1097.50 843.00 423.50 183.50 17.00 m 0.00 a 4266.50
1986 2.00 13.00 140.00 214.00 497.00 926.90 a 922.00 939.50 422.00 293.50 23.50 0.00 4393.40
1987 0.50 10.00 79.00 379.50 631.00 842.50 984.00 792.00 611.50 238.50 47.00 13.50 4629.00
1988 0.00 22.00 58.00 230.00 710.00 1158.50 1077.00 996.50 557.50 275.50 47.00 21.00 5153.00
1989 0.00 0.00 40.50 171.00 499.00 731.00 1080.00 919.50 569.00 255.50 51.00 8.50 4325.00
1990 0.50 1.00 60.50 250.50 471.50 781.00 974.50 1017.00 753.00 230.50 55.00 1.00 4596.00
1991 0.50 30.00 54.00 188.00 515.50 772.00 1002.50 1096.00 623.50 276.50 22.50 4.00 4585.00
1992 15.00 45.50 87.50 258.00 581.00 789.50 770.00 828.50 552.00 302.00 10.00 0.00 4239.00
1993 0.00 0.00 91.00 186.50 580.50 681.50 723.00 804.00 493.50 232.00 10.00 3.00 3805.00
1994 0.00 0.00 88.00 253.50 594.00 774.00 982.00 1024.50 707.50 255.50 3.00 4.50 4686.50
1995 4.00 61.00 130.50 108.50 408.50 793.50 974.00 1022.00 596.50 245.50 29.50 0.00 4373.50
1996 0.00 11.50 19.00 235.00 372.00 838.50 973.50 1042.50 550.00 272.50 6.50 0.00 4321.00
1997 0.50 6.00 101.50 163.00 502.00 886.00 999.50 1012.50 756.50 295.00 29.00 1.00 4752.50
1998 0.00 8.50 37.50 306.50 594.00 631.50 0.00 z 1081.38 a 369.50 o 143.50 l 14.50 p 10.00 m 2659.38
1999 0.00 p 4.00 j 47.00 k 86.00 o 234.00 n 486.50 h 554.00 m 666.00 j 217.00 o 105.50 p 60.00 o 0.00 t 0.00
2000 0.00 o 6.50 j 45.50 n 186.50 506.50 662.50 1056.50 988.50 0.00 z 209.50 7.00 0.00 c 3617.00
2001 1.00 0.00 z 17.00 181.00 534.50 698.50 1003.50 986.00 622.00 162.50 115.00 2.00 4323.00
2002 21.00 0.00 z 0.00 z 0.00 z 344.00 736.50 1066.50 779.50 558.50 95.00 43.50 5.50 3650.00
2003 4.50 1.00 61.50 292.50 441.00 664.50 1073.00 1089.50 477.50 348.50 13.50 3.00 4470.00
2004 0.00 0.00 90.50 217.50 335.50 568.50 948.00 806.00 0.00 z 171.50 41.00 12.50 3191.00
2005 15.50 14.00 56.50 214.00 384.00 718.00 1001.00 856.50 545.50 247.00 53.00 1.00 4106.00
2006 8.00 4.00 27.50 229.00 388.00 j 792.00 1136.50 937.00 495.50 147.00 55.50 0.00 3832.00
2007 2.50 2.50 134.50 211.00 499.50 750.50 1170.50 935.00 543.50 0.00 z 64.44 c 0.00 a 4313.94
2008 4.13 a 0.00 17.50 0.00 z 0.00 z 590.50 949.50 912.50 452.50 206.00 59.50 0.50 f 3192.13
2009 0.00 e 0.00 36.00 129.50 375.00 600.50 899.00 800.50 673.00 78.00 40.50 0.00 a 3632.00
2010 0.00 0.00 57.50 173.57 b 328.50 656.00 878.50 883.00 469.50 287.00 63.50 0.00 3797.07
2011 0.00 o 0.00 s 0.50 n 94.20 e 185.50 k 589.20 e 982.81 d 607.50 j 351.00 l 283.13 a 33.00 1.00 1983.35
2012 0.00 z 0.00 163.50 230.00 393.50 804.00 1175.50 912.00 583.97 a 182.12 c 51.43 b 11.50 4507.52
2013 0.50 2.00 38.00 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 40.50
Period of Record Statistics
MEAN 2.31 7.17 49.65 197.16 473.84 733.64 1005.86 935.33 562.64 247.93 35.77 4.40 4295.99
S.D. 4.99 13.05 38.40 80.95 107.50 111.71 96.36 92.92 98.99 73.85 26.74 7.91 344.93
SKEW 2.65 2.43 0.88 0.31 0.34 0.75 -0.07 0.02 -0.28 0.21 0.98 3.31 0.20
MAX 23.25 61.00 163.50 380.50 752.50 1158.50 1325.50 1161.00 777.50 471.50 115.00 52.50 5245.00
MIN 0.00 0.00 0.00 8.00 189.00 525.00 723.00 725.40 241.00 78.00 0.00 0.00 3632.00
NO YRS 91 90 84 87 88 91 91 89 84 87 90 91 64