MALTA 35 S, MONTANA

Monthly Total Growing Degree Days

(245340)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 124.00 p 153.89 c 19.82 b 2.21 c 175.93
1960 2.67 b 0.52 a 58.79 b 111.92 d 445.88 a 669.44 c 1099.00 863.98 d 595.96 d 0.00 z 0.00 z 0.50 f 3848.18
1961 25.83 a 13.00 47.50 108.50 506.16 b 918.21 b 1004.50 1029.72 a 347.31 d 117.00 n 0.00 k 0.00 d 4000.73
1962 41.50 19.38 b 21.00 239.46 b 419.50 677.50 779.65 a 848.62 c 460.00 269.70 a 64.00 12.00 3852.32
1963 15.50 22.00 111.50 179.00 424.00 268.00 q 992.00 b 928.45 a 717.00 398.00 40.50 17.00 3844.95
1964 1.50 1.50 32.50 158.50 504.00 643.00 1028.50 808.50 395.00 256.50 26.00 0.00 3855.50
1965 0.00 a 11.93 a 0.00 125.50 386.00 642.00 977.50 889.18 a 251.00 276.42 a 46.00 13.00 3618.53
1966 0.00 0.00 87.00 94.00 528.15 d 732.00 1029.50 822.50 661.00 252.00 4.50 8.50 j 4210.65
1967 0.00 1.50 19.00 88.50 410.50 612.50 995.50 0.00 z 682.50 b 230.00 4.80 e 0.00 b 3044.80
1968 26.00 10.36 a 93.00 143.00 0.00 z 654.00 920.50 790.50 519.00 205.08 e 23.00 0.00 3384.43
1969 0.00 0.00 16.00 281.00 474.50 577.50 881.36 b 1004.40 a 604.00 67.00 j 70.20 e 1.50 3910.46
1970 0.00 0.00 2.50 i 76.00 443.50 775.50 958.50 973.50 469.50 180.66 b 10.00 0.00 3887.16
1971 0.00 0.00 14.00 158.65 d 438.65 a 666.50 893.83 a 1139.00 472.24 a 249.00 43.20 e 0.00 4075.08
1972 2.67 b 2.00 137.00 138.50 440.00 774.00 765.00 933.32 c 406.00 189.10 a 9.50 i 4.50 3792.09
1973 25.50 0.50 27.00 65.50 442.55 b 700.18 b 886.27 c 989.50 342.00 g 104.50 r 2.59 a 3.50 f 3139.58
1974 8.50 8.00 26.87 a 236.11 c 239.65 e 642.00 f 968.50 691.09 b 473.50 154.00 o 30.00 a 0.00 2682.22
1975 0.00 2.50 19.38 c 70.34 a 404.03 a 631.67 c 1014.39 d 762.94 d 299.00 k 216.50 87.50 2.87 d 3212.12
1976 3.00 24.50 61.50 210.00 530.00 616.00 968.50 896.33 b 454.50 g 198.00 m 45.00 22.00 3376.83
1977 0.00 c 11.00 25.00 f 307.00 503.20 c 465.00 k 858.04 c 400.50 l 499.00 0.00 z 0.00 z 0.00 z 2178.23
1978 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 542.00 i 565.00 244.26 b 72.00 0.00 881.26
1979 0.00 b 0.00 d 6.09 c 79.29 b 109.00 n 0.00 z 417.50 q 486.00 n 435.50 h 316.64 c 14.00 n 16.00 u 402.02
1980 0.00 h 0.00 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 69.48 b 69.48
1981 1.60 b 43.50 55.50 241.50 505.50 605.50 932.50 970.50 621.50 161.50 i 64.00 6.20 a 4047.80
1982 0.00 a 6.00 9.00 159.00 368.50 650.00 856.00 916.50 499.50 199.00 1.50 0.00 3665.00
1983 1.50 31.00 41.00 131.00 391.00 678.00 967.00 1114.50 496.00 239.50 42.00 0.00 4132.50
1984 20.00 13.50 18.50 184.50 461.00 706.50 1008.00 1027.00 400.50 205.00 10.50 11.88 a 4066.88
1985 0.00 a 5.50 25.50 292.00 583.50 650.00 1057.00 780.50 342.50 180.83 a 21.50 0.50 3939.33
1986 8.50 17.50 109.03 b 192.50 464.00 854.50 916.00 934.00 405.50 341.50 24.50 3.50 4271.03
1987 22.50 18.00 80.50 352.50 600.50 797.59 a 941.50 740.50 576.50 230.50 60.00 17.64 b 4438.22
1988 0.00 28.50 56.00 219.50 634.50 1024.00 997.00 909.50 516.00 269.00 42.00 21.50 4717.50
1989 4.00 0.00 4.00 k 177.50 464.00 698.00 1068.00 886.50 529.00 252.50 47.07 a 19.50 4146.07
1990 3.00 6.00 46.50 192.00 392.50 682.50 885.00 935.50 658.50 176.00 53.50 10.50 4041.50
1991 0.00 a 25.50 33.58 a 138.50 428.50 686.50 916.50 1034.50 570.00 221.50 3.50 5.00 4063.58
1992 14.50 42.00 68.50 223.00 496.00 719.00 681.50 727.50 434.00 241.50 10.50 0.00 3658.00
1993 0.00 0.00 a 56.00 183.50 478.00 571.00 655.00 714.50 377.00 195.50 6.50 2.00 3239.00
1994 0.00 0.00 64.14 b 223.50 532.00 696.50 883.50 944.50 624.50 176.50 0.00 13.00 4158.14
1995 3.00 j 62.00 60.00 82.50 327.50 709.00 827.00 872.00 559.00 226.00 21.00 0.00 3746.00
1996 12.50 29.50 5.50 178.00 318.00 745.50 888.50 932.00 491.00 202.50 2.50 0.00 3805.50
1997 6.20 a 8.50 87.50 134.50 408.50 790.00 875.00 925.50 661.50 245.00 34.50 5.17 a 4181.87
1998 0.00 5.50 30.00 266.50 0.00 z 588.00 1005.00 1017.00 740.50 237.50 26.00 6.72 a 3922.72
1999 0.00 b 20.22 a 98.68 a 198.21 b 402.47 b 619.14 a 806.52 a 955.00 413.00 202.05 c 113.00 9.50 3837.79
2000 0.00 7.00 65.50 196.55 a 532.17 a 634.00 1057.50 963.58 a 537.41 a 214.00 7.00 7.50 4222.22
2001 11.88 a 0.00 29.00 189.00 564.50 680.00 1008.00 1039.50 651.00 176.50 148.50 0.00 4497.88
2002 26.50 3.00 0.00 112.00 354.50 712.50 1029.50 798.50 582.50 114.50 62.00 6.00 3801.50
2003 7.50 0.50 82.50 297.00 444.50 678.50 1089.00 1094.50 515.50 395.00 7.00 2.50 4614.00
2004 0.00 d 0.00 93.50 242.00 320.50 555.00 918.50 779.50 518.50 164.50 37.00 2.50 3631.50
2005 24.00 9.50 48.50 226.00 381.00 696.11 c 973.00 868.50 548.00 256.50 52.50 11.48 d 4095.09
2006 15.50 f 0.00 0.00 z 267.50 353.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 267.50
Period of Record Statistics
MEAN 7.37 11.36 49.82 181.58 448.62 692.93 936.35 908.61 521.63 231.60 36.27 7.31 4019.18
S.D. 10.47 14.01 34.23 70.77 81.31 91.93 100.52 110.72 109.57 58.83 32.04 11.85 340.67
SKEW 1.43 1.62 0.52 0.25 -0.04 1.51 -0.82 -0.04 -0.14 1.05 1.35 3.62 0.05
MAX 41.50 62.00 137.00 352.50 634.50 1024.00 1099.00 1139.00 740.50 398.00 148.50 69.48 4717.50
MIN 0.00 0.00 0.00 65.50 239.65 555.00 655.00 691.09 251.00 114.50 0.00 0.00 3239.00
NO YRS 43 45 41 45 41 40 43 41 41 38 41 42 25