CLE ELUM, WASHINGTON

Monthly Total Growing Degree Days

(451504)

Base Temperature = 40 F

File last updated on Jul 25, 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
1931 9.50 0.00 102.00 307.00 528.00 600.50 833.00 760.00 508.50 204.00 18.50 4.50 3875.50
1932 2.50 21.50 66.00 203.00 366.00 687.50 749.00 771.00 537.00 285.50 47.50 14.00 3750.50
1933 6.00 0.00 11.00 178.50 290.88 a 556.00 826.50 777.50 401.00 284.00 74.00 3.50 3408.88
1934 6.50 0.00 z 152.00 355.00 503.50 652.50 801.50 897.00 518.57 b 342.00 61.00 0.00 z 4289.57
1935 0.00 0.00 13.50 192.50 424.00 0.00 z 0.00 z 731.50 585.00 251.00 48.50 2.50 2248.50
1936 9.50 9.50 41.50 292.00 489.50 603.50 777.00 774.50 472.76 a 312.00 10.50 5.50 3797.76
1937 0.00 0.52 a 42.00 101.50 389.50 562.00 876.78 a 694.50 587.00 334.00 44.00 1.00 3632.80
1938 13.50 0.00 30.00 240.50 445.50 721.55 a 919.50 699.00 649.00 260.00 28.00 24.00 4030.55
1939 11.00 0.00 a 115.00 265.00 423.50 543.50 825.00 798.00 545.00 296.00 51.00 14.98 a 3887.98
1940 0.00 3.50 149.00 243.00 521.50 734.50 852.00 874.00 651.50 316.50 10.00 5.50 4361.00
1941 0.00 5.50 149.50 284.50 415.50 602.50 956.00 784.82 a 0.00 z 238.50 68.00 11.22 b 3516.04
1942 0.00 1.50 50.63 a 143.00 n 235.00 o 552.50 893.83 a 895.50 656.50 290.22 b 4.50 4.00 3349.19
1943 4.65 a 2.50 23.50 270.52 a 355.43 b 498.50 846.82 a 731.37 d 608.50 296.05 a 25.34 a 11.62 c 3674.81
1944 0.00 a 1.00 52.00 184.50 395.50 608.50 874.00 726.50 602.50 353.40 a 41.00 0.00 3838.90
1945 4.50 4.50 37.00 146.90 a 415.00 515.50 828.00 833.50 464.50 295.50 21.00 0.00 3565.90
1946 0.00 0.00 31.00 141.50 414.00 0.00 z 766.22 a 767.00 465.00 b 168.84 c 0.00 b 7.00 2760.56
1947 1.00 12.00 133.50 274.00 621.00 599.00 795.00 723.50 555.00 216.00 45.50 0.00 3975.50
1948 10.00 0.50 25.50 114.00 360.50 704.50 718.00 709.50 454.50 161.50 5.00 0.00 3263.50
1949 0.00 0.00 10.33 a 240.00 513.50 565.00 742.50 738.50 564.00 143.00 58.00 0.00 3574.83
1950 0.00 0.00 1.00 65.50 331.00 557.50 817.00 830.00 554.00 157.50 14.50 1.50 3329.50
1951 0.00 0.00 14.50 194.00 420.50 641.50 839.50 787.50 525.50 190.50 2.00 0.00 3615.50
1952 0.00 0.00 36.50 195.00 399.50 505.50 816.00 766.50 576.50 310.50 9.00 0.00 3615.00
1953 4.50 11.00 51.50 136.00 330.50 450.50 832.35 a 781.20 a 536.90 a 287.00 44.00 0.00 3465.45
1954 0.00 3.00 13.00 128.50 413.00 489.50 763.00 705.50 526.00 156.00 0.00 z 0.00 z 3197.50
1955 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
1956 0.00 z 0.00 z 0.00 z 221.00 467.50 461.00 891.00 764.50 481.50 176.59 c 14.50 3.00 3480.59
1957 0.00 6.00 26.50 208.50 580.00 611.00 726.50 686.50 604.00 192.50 33.50 12.00 3687.00
1958 0.00 23.50 18.50 120.00 612.50 755.50 1005.50 931.50 499.00 276.50 40.00 2.50 4285.00
1959 1.00 5.50 13.50 170.00 316.50 560.00 829.00 675.50 0.00 z 102.00 t 45.00 1.50 2617.50
1960 0.00 1.00 92.00 175.00 311.00 593.00 932.50 670.50 503.00 269.00 15.50 2.00 3564.50
1961 0.00 14.50 61.50 169.00 352.50 692.50 851.00 913.00 439.00 167.00 0.50 0.00 3660.50
1962 18.50 19.50 27.50 247.00 289.00 574.50 776.50 724.50 550.00 233.00 52.00 9.50 3521.50
1963 3.50 48.50 54.50 119.50 379.00 568.50 705.00 774.50 627.41 a 280.00 13.00 0.00 3573.41
1964 0.00 9.00 37.00 108.50 315.50 527.50 723.00 621.00 443.50 231.00 11.38 a 0.00 3027.38
1965 0.52 a 12.50 59.00 224.00 330.00 584.00 824.00 768.50 446.50 288.00 87.50 0.00 3624.52
1966 0.00 0.50 61.00 184.50 458.50 503.28 a 732.50 774.50 631.00 202.00 42.00 6.20 a 3595.98
1967 6.00 27.00 34.50 62.50 419.50 699.50 852.50 964.00 682.00 234.50 37.50 26.00 4045.50
1968 7.50 26.50 102.50 144.00 400.50 574.00 869.50 697.00 522.41 a 113.50 7.24 a 0.00 a 3464.66
1969 0.00 0.00 a 0.00 z 0.00 z 464.50 715.00 727.00 659.50 499.00 141.50 60.50 0.00 3267.00
1970 0.00 4.00 33.50 61.00 345.00 670.00 814.50 762.00 371.50 127.00 11.00 0.00 3199.50
1971 11.50 10.50 1.00 93.50 416.50 445.50 826.00 880.50 351.50 199.50 23.50 1.00 3260.50
1972 0.00 0.50 46.50 76.50 428.00 559.50 748.00 821.00 362.50 202.50 11.50 6.00 3262.50
1973 0.50 1.50 29.50 184.00 396.50 552.50 825.00 769.50 489.50 179.50 0.00 0.00 3428.00
1974 3.00 1.00 41.50 122.00 278.50 621.00 740.00 807.00 528.50 195.00 19.00 0.00 3356.50
1975 4.50 0.00 9.50 72.50 349.00 530.50 891.00 666.00 510.00 187.50 28.50 3.00 3252.00
1976 2.00 0.00 18.50 125.00 354.50 456.00 726.50 673.00 550.00 189.50 41.00 0.50 3136.50
1977 1.50 17.50 23.00 229.00 276.50 676.50 721.50 904.50 406.00 113.00 3.00 4.50 3376.50
1978 0.00 1.00 114.00 153.00 330.00 632.50 797.00 729.50 431.00 210.50 17.00 1.00 3416.50
1979 0.00 0.00 57.50 159.00 451.50 638.50 886.17 b 856.00 628.50 364.50 8.00 18.50 4068.17
1980 0.00 1.00 24.28 a 279.00 452.60 a 541.50 803.00 651.50 562.00 241.28 a 47.50 1.50 3605.17
1981 4.00 8.50 79.00 185.00 372.50 489.50 729.50 902.50 536.00 182.50 32.50 0.00 3521.50
1982 3.00 5.00 26.50 80.50 358.00 710.50 789.00 789.00 544.50 212.50 6.00 0.00 3524.50
1983 6.00 13.50 72.50 171.00 489.50 562.50 686.00 833.00 420.50 212.00 29.00 0.00 3495.50
1984 12.50 0.00 80.00 95.00 273.00 509.50 797.50 789.00 390.00 155.00 5.00 0.00 3106.50
1985 0.00 8.50 20.00 164.50 409.50 573.50 940.13 e 692.00 365.00 187.00 27.50 0.00 z 3387.63
1986 0.00 6.00 81.63 a 124.00 387.50 703.50 664.00 894.00 412.50 239.50 22.50 0.00 3535.13
1987 0.00 0.00 a 28.00 243.00 440.00 643.50 747.50 552.50 g 608.50 259.00 96.50 1.50 3067.50
1988 0.00 31.50 45.50 227.50 391.50 557.00 814.50 777.50 514.50 417.00 27.00 4.00 3807.50
1989 11.50 0.00 27.50 262.50 403.00 656.50 744.50 743.00 532.50 0.00 z 91.50 8.00 3480.50
1990 1.50 5.50 92.00 275.00 364.50 584.50 889.00 884.00 680.50 163.50 68.00 0.00 4008.00
1991 8.00 15.00 28.50 170.50 372.00 509.00 827.00 872.00 630.00 287.50 34.00 12.00 3765.50
1992 6.50 20.00 162.00 252.00 536.00 770.00 798.50 823.50 500.00 276.50 15.00 2.00 4162.00
1993 0.00 0.00 25.50 148.00 568.50 550.50 616.00 732.50 555.50 314.00 16.00 0.00 3526.50
1994 14.00 0.50 98.00 273.00 473.00 554.50 892.50 795.50 637.50 199.50 0.00 0.00 3938.00
1995 0.00 11.00 56.50 140.50 481.50 568.50 822.00 659.00 605.50 178.00 50.50 0.00 3573.00
1996 0.50 1.50 53.50 188.50 278.00 545.00 875.00 792.00 479.50 209.50 21.50 0.00 3444.50
1997 7.50 3.50 35.50 126.50 443.50 542.00 775.50 843.00 570.00 180.50 53.00 8.50 3589.00
1998 0.00 3.50 73.50 185.00 426.00 596.50 968.00 867.50 699.00 204.50 33.00 0.00 4056.50
1999 1.00 2.50 41.50 136.00 293.00 506.38 a 739.00 843.00 481.00 184.97 a 53.00 9.00 3290.35
2000 0.00 0.00 a 31.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 488.50 186.00 a 8.00 0.00 d 713.50
2001 0.00 0.00 59.50 144.31 a 431.93 a 516.00 825.00 717.50 g 627.50 191.00 38.79 a 0.00 2834.04
2002 0.00 0.00 z 36.50 173.00 336.50 653.00 672.50 i 815.00 512.00 0.00 z 34.50 0.50 2561.00
2003 3.50 3.50 81.50 154.50 405.00 0.00 z 0.00 z 0.00 z 0.00 z 358.00 0.00 z 0.00 z 1006.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 388.00 689.00 934.00 901.00 0.00 z 0.00 z 0.00 z 0.00 z 2912.00
2005 0.00 z 4.00 116.50 202.50 0.00 z 0.00 z 0.00 z 0.00 z 523.00 261.00 0.00 z 0.00 z 1107.00
2006 0.00 z 0.00 z 9.00 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 9.00
Period of Record Statistics
MEAN 3.14 6.44 52.77 179.76 406.53 589.66 812.27 781.90 528.25 231.76 30.91 3.75 3614.64
S.D. 4.43 9.23 38.96 66.43 79.65 78.05 75.88 78.89 83.34 65.99 23.25 5.78 296.78
SKEW 1.43 2.15 1.12 0.26 0.55 0.36 0.10 0.18 -0.12 0.47 0.77 2.02 0.42
MAX 18.50 48.50 162.00 355.00 621.00 770.00 1005.50 964.00 699.00 417.00 96.50 26.00 4361.00
MIN 0.00 0.00 1.00 61.00 273.00 445.50 616.00 621.00 351.50 113.00 0.00 0.00 3027.38
NO YRS 71 70 72 70 71 69 69 69 70 70 70 68 56