LOMA 1 WNW, MONTANA

Monthly Total Growing Degree Days

(245153)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1950 0.00 z 0.00 z 0.00 z 137.00 422.08 e 678.46 d 548.50 l 604.50 i 498.00 326.02 a 43.00 27.00 2131.56
1951 0.00 1.00 13.50 175.86 a 479.35 d 487.50 908.00 802.00 409.66 a 213.00 28.50 8.86 c 3527.23
1952 0.00 a 9.50 10.16 b 341.67 c 411.00 f 734.50 903.43 c 901.07 a 461.00 h 260.92 a 34.29 b 0.50 3196.02
1953 31.00 a 3.50 g 59.93 a 120.00 a 360.78 b 658.89 c 999.46 d 925.02 c 667.20 e 369.50 74.42 d 13.36 b 4279.56
1954 9.19 d 70.50 7.00 f 127.78 c 479.95 c 574.14 a 977.03 b 569.50 k 252.50 n 155.00 f 110.77 d 13.84 c 2363.19
1955 0.00 c 0.00 b 2.00 r 57.50 r 310.55 c 610.00 c 860.52 b 940.33 d 399.23 d 269.70 a 22.50 f 0.00 d 3390.33
1956 0.00 g 1.00 79.50 h 142.50 b 489.59 b 807.60 e 978.50 836.47 b 556.20 e 188.50 g 67.50 f 54.00 l 3811.85
1957 0.00 0.00 b 3.50 v 0.00 z 415.00 f 547.50 f 1025.21 c 621.00 i 422.00 f 86.00 k 18.10 a 9.50 h 1043.32
1958 3.10 a 0.00 l 7.00 h 68.50 f 335.50 m 523.50 754.91 d 980.12 a 430.00 g 252.77 e 19.50 f 9.96 c 2524.36
1959 4.00 g 0.00 e 23.50 h 190.18 b 247.40 e 672.00 867.50 510.50 h 301.00 g 148.00 j 4.50 g 18.50 j 1977.08
1960 3.50 g 0.00 z 112.00 h 144.00 f 289.50 j 413.00 m 1102.50 643.00 g 415.50 g 270.00 j 12.50 i 0.00 f 1102.50
1961 26.50 m 22.00 k 48.50 p 54.00 i 420.00 g 615.50 i 1019.50 826.50 g 0.00 z 0.00 z 2.50 m 0.52 a 1020.02
1962 0.00 z 0.00 z 31.50 g 325.00 475.50 744.50 874.00 901.07 a 528.00 325.50 107.50 30.50 4311.57
1963 28.00 44.00 91.00 195.50 521.50 750.50 966.00 967.50 750.50 427.50 41.00 22.00 4805.00
1964 15.50 14.00 30.50 164.00 497.50 706.00 1003.00 785.00 421.00 275.50 39.64 b 0.00 3951.64
1965 0.00 20.50 0.00 125.50 360.00 621.00 899.00 848.50 265.50 396.50 39.00 29.50 3605.00
1966 0.50 0.00 110.50 155.50 562.00 650.50 996.50 837.00 702.00 250.00 3.50 16.50 4284.50
1967 2.00 24.00 27.00 49.00 411.00 611.00 965.50 949.00 647.50 278.50 43.00 13.50 4021.00
1968 39.00 15.00 93.00 138.50 402.50 649.00 977.00 816.50 530.00 191.50 50.00 0.00 3902.00
1969 0.00 0.00 24.00 320.00 536.00 653.00 927.00 1002.00 645.00 128.50 51.00 3.00 4289.50
1970 2.00 1.00 11.50 87.00 478.50 829.00 1000.00 943.50 471.50 153.50 15.00 6.50 3999.00
1971 0.50 13.00 25.00 160.50 496.00 a 679.00 931.00 1157.50 479.50 260.00 55.00 0.00 a 4257.00
1972 7.00 8.50 171.50 172.00 506.50 811.00 811.50 978.00 443.50 208.50 27.00 21.50 4166.50
1973 26.50 12.00 31.00 101.50 507.00 700.50 957.00 967.00 537.50 280.00 25.00 16.00 4161.00
1974 16.00 0.00 52.50 276.50 359.00 842.00 1067.84 c 725.50 467.00 296.00 52.00 7.50 4161.84
1975 4.50 6.00 7.50 53.50 373.50 623.50 1016.00 787.50 513.50 204.00 126.00 14.00 3729.50
1976 27.90 a 30.50 89.00 282.00 581.50 649.50 946.50 905.50 625.50 257.50 72.50 45.00 4512.90
1977 0.00 33.50 65.50 339.00 531.00 859.50 937.75 a 672.00 523.45 a 244.00 30.00 2.00 4237.70
1978 0.00 0.00 83.00 234.00 452.08 a 743.57 b 897.00 802.50 609.00 256.78 a 83.79 a 0.00 4161.73
1979 0.00 0.00 64.00 155.50 417.00 747.00 938.61 d 889.50 715.50 346.50 20.69 a 46.50 4340.80
1980 4.50 9.50 14.50 412.50 636.00 735.00 969.00 729.00 571.50 319.00 102.00 75.95 a 4578.45
1981 6.50 67.50 63.50 283.00 509.00 628.50 951.00 1005.00 625.00 271.50 112.50 6.50 4529.50
1982 0.00 27.50 28.50 148.50 359.82 c 717.50 877.00 875.50 537.00 222.00 3.50 0.00 3796.82
1983 13.50 59.00 59.00 167.00 470.00 702.50 889.00 1083.50 503.00 297.00 66.50 0.00 4310.00
1984 38.50 30.50 33.00 236.00 489.00 701.50 1009.00 1035.50 405.50 231.00 28.50 13.00 4251.00
1985 0.00 8.50 51.00 301.50 632.00 737.50 1098.50 780.50 339.31 a 225.50 28.50 2.00 4204.81
1986 36.00 37.00 168.00 210.50 486.00 836.50 797.50 879.50 338.00 263.50 28.50 1.50 4082.50
1987 13.50 31.50 93.00 357.50 566.00 805.00 944.00 729.50 585.00 206.00 48.00 17.50 4396.50
1988 21.00 41.50 74.00 273.50 647.50 997.00 1010.50 913.00 509.50 319.00 62.50 16.00 4885.00
1989 29.00 0.00 29.50 175.00 447.50 738.00 1021.50 831.00 503.50 243.50 70.00 14.50 4103.00
1990 13.50 18.00 49.00 215.50 398.50 660.00 915.00 924.50 692.00 196.00 78.00 27.00 4187.00
1991 9.00 46.00 43.00 179.50 458.50 656.50 947.50 1033.00 576.00 260.00 21.00 6.50 4236.50
1992 43.50 40.50 68.50 292.00 512.50 758.00 744.00 772.00 476.00 277.00 22.50 0.50 4007.00
1993 3.50 0.50 88.50 188.50 570.00 630.50 659.50 730.00 432.50 240.50 14.00 9.00 3567.00
1994 0.00 0.00 74.50 226.50 534.00 723.50 936.50 937.00 664.50 174.00 10.00 22.50 4303.00
1995 11.50 59.00 64.00 111.50 448.50 661.50 844.00 844.50 544.50 204.50 43.00 4.50 3841.00
1996 14.47 a 38.50 28.50 226.50 335.00 706.50 899.50 924.00 495.00 235.00 9.50 0.00 3912.47
1997 19.50 10.00 68.50 150.00 470.00 728.50 904.50 908.50 668.00 254.00 45.00 12.50 4239.00
1998 0.00 5.50 46.50 278.00 549.50 601.00 1056.00 1022.50 731.50 236.50 51.50 28.50 4607.00
1999 13.00 34.00 95.00 154.50 428.00 680.00 843.50 977.50 486.00 279.00 125.50 26.00 4142.00
2000 2.00 7.50 55.50 272.50 466.00 655.50 1039.00 949.50 552.00 200.50 12.00 6.20 a 4218.20
2001 9.50 0.00 47.50 185.00 572.50 718.00 1002.50 1033.50 666.50 182.00 119.50 10.00 4546.50
2002 26.00 14.50 4.00 130.50 393.50 685.50 1008.00 693.00 543.00 129.50 87.00 13.00 3727.50
2003 23.00 0.00 88.50 307.00 393.00 704.00 1052.50 1055.00 525.50 389.00 24.00 19.50 4581.00
2004 2.00 7.00 120.00 260.50 358.00 587.50 948.50 839.00 499.00 156.50 57.50 23.00 3858.50
2005 57.50 22.00 60.50 214.50 419.00 676.50 973.00 818.50 546.00 271.50 91.50 15.00 4165.50
2006 26.00 2.00 30.50 271.00 514.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 844.00
Period of Record Statistics
MEAN 12.73 18.07 57.59 207.65 467.72 699.03 942.70 892.88 539.21 255.11 51.05 13.82 4167.97
S.D. 14.13 19.67 38.24 81.83 84.82 87.41 87.02 108.45 106.99 64.50 34.02 14.36 309.30
SKEW 1.11 1.04 0.95 0.31 -0.12 0.58 -0.83 0.02 -0.12 0.45 0.72 1.93 0.02
MAX 57.50 70.50 171.50 412.50 647.50 997.00 1102.50 1157.50 750.50 427.50 126.00 75.95 4885.00
MIN 0.00 0.00 0.00 49.00 247.40 487.50 659.50 672.00 265.50 128.50 3.50 0.00 3527.23
NO YRS 51 51 47 52 52 53 55 50 49 50 50 52 44