BABB 6 NE, MONTANA

Monthly Total Growing Degree Days

(240392)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201105
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
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 164.00 n 655.50 551.00 362.50 107.00 m 7.00 h 0.00 f 1569.00
1907 0.00 a 22.50 0.00 i 11.90 a 126.50 310.50 487.65 e 411.78 a 149.00 h 298.67 e 30.00 c 29.45 a 1728.96
1908 0.00 1.50 0.00 107.50 166.00 333.50 643.00 508.92 a 388.00 114.00 68.50 0.00 2330.92
1909 0.00 0.00 0.00 0.00 124.00 372.50 393.00 g 536.00 446.00 132.50 2.00 0.00 b 1613.00
1910 2.50 0.00 68.00 224.50 258.00 423.50 649.00 445.00 297.00 209.00 16.50 15.50 2608.50
1911 0.00 0.00 36.50 61.50 182.50 419.00 480.00 370.00 167.07 a 149.00 0.50 16.00 1882.07
1912 0.52 a 0.00 a 17.05 a 62.50 257.41 c 478.50 437.50 402.00 161.50 99.00 0.00 0.00 z 1915.98
1913 0.00 0.00 0.00 100.34 a 0.00 z 0.00 z 288.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 100.34
1914 0.00 0.00 a 17.50 121.03 a 333.00 415.50 875.00 617.00 495.50 315.50 18.00 0.00 3208.03
1915 1.00 0.00 z 0.00 z 296.00 172.50 321.00 502.50 724.00 269.00 213.50 11.00 9.50 2520.00
1916 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 578.50 363.33 c 71.00 22.24 a 0.00 c 1035.07
1917 0.00 c 0.00 0.00 6.43 b 169.00 375.50 730.50 559.50 368.50 197.00 180.50 6.50 2593.43
1918 8.00 0.00 a 24.00 38.00 162.00 542.50 654.62 a 613.05 b 371.25 b 222.88 b 0.00 z 11.00 l 2636.30
1919 2.00 0.00 z 0.00 z 136.00 326.50 499.00 715.50 745.50 435.00 78.00 62.00 48.00 3047.50
1920 8.78 a 0.00 a 11.50 21.50 206.50 597.00 941.00 845.00 597.41 a 191.50 40.00 11.00 3471.20
1921 0.00 a 43.04 a 8.78 a 58.50 233.00 535.00 640.50 612.50 271.50 248.50 0.00 z 32.50 2683.82
1922 2.00 0.00 7.50 60.50 216.00 516.96 b 573.50 685.50 458.00 183.00 54.50 0.00 z 2757.46
1923 0.00 6.00 12.50 90.00 236.12 a 409.00 650.50 544.00 347.50 128.50 63.00 12.00 2499.12
1924 6.50 18.50 0.00 42.50 279.50 283.50 548.00 0.00 z 129.00 m 100.15 e 15.60 e 4.65 a 1298.90
1925 0.00 a 0.00 b 5.50 m 82.22 c 94.50 r 383.50 g 633.36 b 527.00 244.00 44.00 0.00 a 0.00 1530.58
1926 0.00 g 11.50 9.50 189.00 223.50 371.00 663.00 524.00 138.50 145.00 g 46.50 j 11.50 l 2130.00
1927 2.00 0.00 6.20 a 78.62 a 116.25 a 407.07 a 585.38 a 540.29 c 292.50 b 227.69 b 3.00 0.00 2259.00
1928 26.00 4.83 b 34.88 c 57.93 a 393.18 a 324.31 a 626.72 a 455.00 299.48 a 68.50 k 37.50 0.50 2260.33
1929 0.00 0.00 0.50 24.81 d 190.50 393.00 595.50 657.20 a 207.93 a 202.00 24.83 a 1.60 b 2297.87
1930 0.00 11.08 d 9.00 166.55 a 202.50 419.00 616.90 a 642.22 a 336.50 92.00 46.73 d 0.00 z 2542.48
1931 31.00 2.00 15.00 85.00 296.05 a 493.50 631.50 646.00 310.71 b 141.10 b 52.00 14.50 2718.37
1932 0.00 54.50 8.00 82.50 265.50 500.17 a 644.50 364.50 m 353.00 137.90 b 57.00 4.00 2107.07
1933 1.00 0.00 5.00 68.50 205.63 a 505.50 651.00 a 599.00 254.48 a 190.28 b 131.00 22.73 a 2634.13
1934 22.00 54.00 59.50 195.50 395.00 374.00 609.00 580.50 257.00 199.00 64.00 21.70 a 2831.20
1935 20.00 25.00 11.50 39.50 179.50 393.50 652.00 565.00 390.00 165.50 m 18.62 a 16.50 2311.12
1936 2.50 2.50 20.00 152.00 418.50 506.50 797.00 681.00 341.00 239.00 94.00 2.50 3256.50
1937 0.00 0.00 12.50 72.00 262.00 415.50 691.50 553.00 352.50 213.50 17.50 5.00 2595.00
1938 0.50 14.50 3.50 89.50 220.50 471.50 675.50 516.50 539.00 197.00 9.00 9.00 2746.00
1939 1.00 0.00 a 70.00 151.00 306.50 275.50 716.50 623.50 339.00 123.50 133.00 74.50 2814.00
1940 15.50 0.00 8.50 76.50 336.00 479.50 660.50 596.50 440.00 219.50 7.50 18.50 2858.50
1941 5.00 j 20.50 5.00 102.50 261.00 452.00 707.50 588.00 183.50 112.50 27.50 14.50 2474.50
1942 12.00 0.00 0.50 108.00 189.00 303.50 584.00 558.00 348.00 234.50 32.00 15.50 2385.00
1943 11.00 21.50 15.00 122.00 150.50 257.50 582.50 547.00 341.00 223.50 42.50 11.50 2325.50
1944 13.50 0.00 17.00 80.50 352.00 399.00 620.50 540.50 395.00 319.00 11.00 3.50 2751.50
1945 6.50 m 0.50 15.00 40.50 206.00 345.50 691.50 631.50 284.50 258.00 19.50 2.00 2494.50
1946 1.50 2.00 15.50 152.00 212.00 386.00 657.00 588.50 307.50 40.50 24.00 5.88 b 2392.38
1947 7.00 10.00 17.00 118.50 296.50 380.50 695.50 543.50 329.50 211.00 20.00 11.50 2640.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 551.50 556.50 372.00 203.50 2.00 0.00 1685.50
1949 0.00 2.50 3.50 168.50 306.50 388.50 577.50 606.05 a 372.00 62.52 a 119.50 1.03 a 2608.10
1950 0.00 5.70 a 4.00 42.00 192.00 385.50 570.92 a 523.00 336.50 106.00 34.00 28.00 2227.62
1951 0.00 2.00 6.00 42.00 215.00 221.50 578.50 468.00 247.76 a 146.50 4.50 1.50 1933.26
1952 3.50 2.00 3.00 163.50 223.50 368.00 545.00 526.50 429.00 220.50 30.00 17.00 2531.50
1953 4.50 1.50 9.50 43.50 171.53 a 322.00 572.47 a 597.50 335.00 c 241.05 b 47.00 4.50 2350.05
1954 0.00 42.50 5.00 44.00 255.00 324.50 587.00 526.00 291.50 122.00 105.50 18.50 2321.50
1955 2.00 1.00 11.50 36.00 122.50 409.50 569.00 413.50 j 318.50 191.50 21.50 k 1.15 d 1662.65
1956 0.00 0.00 16.00 61.00 288.50 424.50 595.50 570.00 359.00 123.50 37.00 34.50 2509.50
1957 0.00 1.00 4.50 42.50 249.50 362.50 586.00 493.50 388.00 106.50 8.50 2.50 2245.00
1958 8.50 28.00 2.50 45.50 421.50 410.50 567.50 668.00 298.50 208.50 16.00 20.50 2695.50
1959 12.00 0.00 7.50 54.00 145.50 441.50 625.50 485.00 277.00 132.50 37.00 14.50 2232.00
1960 4.50 0.00 54.50 84.00 205.50 426.50 709.38 a 552.50 405.00 176.00 5.50 15.50 2638.88
1961 7.00 15.50 22.00 39.00 291.50 623.57 b 661.00 763.50 208.50 186.50 18.00 0.00 2836.07
1962 38.50 30.00 2.50 155.00 236.50 459.50 555.00 549.00 320.50 211.00 52.00 10.00 2619.50
1963 0.50 39.00 36.50 98.00 223.50 395.50 562.50 607.00 504.00 255.00 24.50 36.50 2782.50
1964 0.00 3.00 19.00 32.50 202.50 411.00 606.00 485.00 184.00 262.00 33.00 0.00 2238.00
1965 26.00 15.00 5.50 86.00 176.00 380.50 598.50 599.50 104.00 291.50 22.50 14.50 2319.50
1966 0.00 b 0.00 54.00 41.00 300.50 351.50 566.50 550.00 463.00 148.50 7.00 10.00 2492.00
1967 0.00 8.00 0.50 8.50 233.00 358.50 657.00 704.00 532.50 134.33 a 17.50 0.00 a 2653.83
1968 39.50 19.00 53.00 75.00 178.00 370.00 556.00 500.50 379.50 135.50 30.50 0.00 2336.50
1969 1.50 0.50 19.50 145.50 304.50 443.00 565.00 654.50 420.50 38.00 112.50 8.00 2713.00
1970 1.00 12.50 5.50 15.00 274.50 559.50 688.00 658.00 255.50 120.00 14.50 2.50 2606.50
1971 5.50 14.50 1.50 85.00 271.50 363.50 582.00 768.50 242.50 162.00 18.00 0.00 2514.50
1972 0.00 4.50 47.00 51.00 251.00 468.00 460.50 662.00 204.50 137.50 f 7.50 f 1.50 n 2148.50
1973 19.50 8.50 16.00 54.00 302.00 455.00 646.50 621.00 62.00 w 53.00 i 11.00 0.00 2133.50
1974 0.50 0.00 5.00 84.44 c 151.56 d 553.00 649.81 e 373.00 h 207.50 m 166.50 l 4.00 j 0.00 z 1444.31
1975 0.60 e 0.00 e 0.00 k 1.00 g 89.50 l 286.50 h 304.00 q 0.00 z 205.50 k 100.50 k 58.50 l 0.00 n 0.60
1976 8.00 l 1.00 j 17.00 h 60.50 h 160.50 p 227.00 k 294.50 q 392.00 l 315.00 l 118.00 m 52.50 j 15.00 k 0.00
1977 3.50 j 5.00 i 0.00 h 146.00 i 248.52 a 513.50 588.50 525.00 295.71 b 85.50 h 8.50 h 0.00 k 2171.23
1978 0.00 l 0.00 o 53.00 i 42.00 k 0.00 z 502.50 b 587.28 d 384.50 i 304.80 e 212.00 36.72 a 0.00 1643.30
1979 0.00 0.00 31.50 30.00 a 207.50 450.00 c 671.27 e 660.50 506.38 a 224.50 34.50 16.53 a 2832.68
1980 0.00 5.00 0.00 i 187.50 311.66 c 296.00 g 511.50 g 263.00 l 345.56 c 210.28 a 68.50 107.00 1235.50
1981 53.00 10.00 7.50 106.00 265.50 332.50 590.55 a 715.14 b 392.40 e 117.00 54.83 a 2.00 2646.42
1982 0.00 9.00 0.00 60.00 196.50 465.00 599.00 597.00 366.00 164.50 3.50 0.00 2460.50
1983 5.00 15.50 13.00 78.50 234.50 421.00 631.50 753.00 284.50 182.00 29.00 0.00 2647.50
1984 34.00 13.00 5.00 76.50 192.50 395.50 670.50 700.00 229.50 163.50 0.00 1.50 2481.50
1985 1.55 a 0.00 15.00 142.24 a 375.10 a 431.00 759.50 552.50 160.00 130.00 16.00 1.50 m 2582.89
1986 36.68 a 36.62 b 83.70 a 82.50 311.50 585.00 560.00 689.50 182.00 239.00 20.00 0.00 j 2826.50
1987 17.00 21.00 45.50 218.00 367.00 581.50 623.50 492.50 447.50 203.50 90.50 16.50 3124.00
1988 9.50 37.06 b 24.00 121.50 352.00 611.50 685.00 666.00 393.50 280.00 52.50 23.00 3255.56
1989 21.00 0.00 16.00 108.00 234.50 498.00 703.00 581.00 362.00 171.00 38.00 19.50 2752.00
1990 0.00 15.50 17.00 131.00 226.50 436.50 663.00 690.50 498.50 114.50 39.50 0.00 2832.50
1991 3.00 37.00 18.00 59.50 268.00 397.00 685.00 712.50 414.00 272.50 19.00 4.13 a 2889.63
1992 19.50 61.00 57.00 208.50 340.50 560.69 a 517.00 565.50 328.00 208.50 17.50 0.00 2883.69
1993 6.72 a 13.00 39.50 81.00 407.00 403.00 431.00 516.50 338.50 171.00 5.00 k 13.00 2420.22
1994 2.00 0.00 44.00 137.00 336.00 462.00 727.50 656.00 557.00 136.83 b 0.00 c 19.50 l 3058.33
1995 11.00 i 47.19 a 30.50 33.00 199.50 428.50 656.00 585.00 372.50 61.00 34.50 0.00 l 2447.69
1996 19.00 l 34.18 a 14.00 97.00 165.33 a 503.50 673.00 731.00 294.00 147.00 4.50 j 0.00 2659.01
1997 3.50 3.00 34.00 49.50 264.50 503.00 621.00 680.50 501.00 115.50 31.11 c 3.50 k 2806.61
1998 7.00 l 0.00 a 9.62 b 115.50 372.50 408.00 690.00 436.00 m 349.00 j 256.78 a 4.00 j 0.00 z 1852.40
1999 2.50 m 6.00 k 10.00 k 29.00 i 158.50 g 275.00 h 404.50 h 484.50 i 354.60 e 126.00 l 74.50 j 0.00 q 354.60
2000 0.00 j 6.50 k 12.00 i 92.00 j 171.50 i 425.40 e 446.50 l 480.00 i 223.00 h 86.50 m 2.00 i 1.00 j 425.40
2001 9.50 k 0.00 g 5.00 i 59.00 h 213.50 i 240.00 k 446.00 j 528.50 h 269.50 k 60.50 h 46.00 h 0.00 n 0.00
2002 0.00 j 0.00 0.00 n 15.00 129.50 k 440.50 759.50 489.50 230.00 j 20.00 l 36.50 p 1.50 l 1704.50
2003 19.00 l 0.00 j 22.00 j 109.50 g 264.69 e 315.00 i 558.00 h 436.50 l 209.00 l 137.50 j 6.50 o 4.00 n 264.69
2004 3.50 j 0.50 p 52.50 h 85.00 h 98.00 j 282.00 i 468.50 i 451.00 h 207.50 j 97.00 j 36.00 k 2.00 p 0.00
2005 18.00 l 10.50 i 0.00 z 47.00 i 170.00 i 295.00 g 454.50 j 346.50 i 187.50 i 105.50 l 14.50 m 5.50 q 0.00
2006 11.50 n 2.50 j 2.00 f 66.50 j 231.00 j 338.00 i 0.00 z 497.00 h 236.00 j 50.50 j 24.50 k 7.00 o 0.00
2007 0.00 z 0.00 i 8.50 i 44.50 i 193.00 g 305.00 h 574.50 j 429.00 h 173.50 i 98.50 i 6.00 n 0.00 q 0.00
2008 0.00 m 0.00 n 0.00 o 25.50 g 169.00 i 211.00 l 0.00 z 0.00 z 0.00 z 84.50 q 34.50 m 2.50 o 0.00
2009 2.50 p 6.00 k 1.00 f 84.00 g 150.50 j 297.50 f 462.00 h 426.50 h 415.50 h 28.00 i 10.50 r 0.00 r 0.00
2010 9.00 p 0.00 i 34.00 h 67.50 g 126.00 j 284.00 h 364.50 i 364.00 g 170.00 i 130.50 k 17.00 s 0.00 z 0.00
2011 2.00 h 0.50 t 3.00 k 3.00 g 139.00 j 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 7.14 10.93 18.29 88.60 249.55 426.65 627.90 591.75 340.24 174.91 36.07 11.79 2605.63
S.D. 11.31 15.17 18.80 56.68 73.32 81.66 81.98 89.70 100.38 65.23 34.75 17.00 310.47
SKEW 2.00 1.55 1.49 1.02 0.43 0.20 0.60 0.19 0.11 -0.02 1.84 3.22 0.36
MAX 53.00 61.00 83.70 296.00 421.50 623.57 941.00 845.00 597.41 319.00 180.50 107.00 3471.20
MIN 0.00 0.00 0.00 0.00 116.25 221.50 431.00 370.00 104.00 38.00 0.00 0.00 1882.07
NO YRS 82 86 81 87 86 87 88 84 86 82 79 75 55