ELLENSBURG, WASHINGTON

Monthly Total Growing Degree Days

(452505)

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
1901 0.00 11.00 40.50 173.00 462.00 469.50 741.50 892.00 390.50 375.00 36.00 2.00 3593.00
1902 2.00 0.00 46.00 181.50 446.00 554.00 713.50 767.50 484.50 263.50 16.00 0.00 3474.50
1903 0.00 0.00 62.00 148.50 414.00 741.50 736.50 772.00 423.50 234.00 29.50 0.00 3561.50
1904 0.50 0.00 5.00 297.00 424.00 583.50 806.00 815.00 563.00 293.00 78.50 0.00 3865.50
1905 0.00 14.00 166.50 275.00 432.50 638.50 895.00 812.00 553.50 112.00 15.00 0.00 a 3914.00
1906 0.00 9.00 92.00 345.00 487.50 513.00 1092.50 852.00 570.50 283.00 49.00 0.00 4293.50
1907 0.00 8.00 21.00 196.00 601.92 a 589.50 890.00 692.00 523.00 385.00 37.00 0.50 3943.92
1908 1.50 0.00 80.50 274.50 382.50 588.50 932.00 820.50 562.50 224.50 51.00 0.00 a 3918.00
1909 0.00 h 0.00 84.00 178.00 420.50 656.50 781.50 771.00 571.00 214.00 40.50 0.00 3717.00
1910 0.00 0.00 162.00 313.00 576.50 597.50 886.50 710.50 522.00 317.00 27.00 0.00 4112.00
1911 6.50 0.00 133.50 204.00 364.50 648.00 871.00 764.00 449.00 219.00 35.00 7.00 3701.50
1912 0.00 13.00 75.00 246.00 563.50 692.00 821.00 739.50 450.00 135.00 5.00 0.00 3740.00
1913 2.00 0.00 63.50 192.00 459.00 657.00 881.50 784.00 471.00 149.00 18.00 0.00 3677.00
1914 0.00 0.50 143.50 305.50 557.00 525.00 874.50 807.00 436.50 259.50 40.00 0.00 3949.00
1915 0.00 0.50 157.50 354.50 472.00 660.00 862.00 999.00 536.50 240.50 14.50 0.00 4297.00
1916 0.00 0.00 82.00 289.00 406.00 623.00 712.00 672.00 h 596.50 191.50 5.50 0.00 2905.50
1917 2.00 2.00 0.00 115.00 497.50 584.50 914.50 810.00 589.50 287.50 21.50 15.00 3839.00
1918 5.00 1.50 69.00 280.50 439.00 783.00 886.00 791.00 648.00 260.00 12.50 4.00 4179.50
1919 0.00 0.00 69.00 305.50 475.50 627.00 923.50 798.50 507.50 182.50 8.00 0.00 3897.00
1920 15.50 3.00 60.50 178.00 314.50 605.00 989.00 915.00 587.50 271.50 21.50 1.00 3962.00
1921 0.00 10.50 122.00 231.00 511.00 736.00 881.00 878.33 a 477.00 295.00 63.00 2.50 4207.33
1922 0.00 0.00 23.00 214.50 487.22 a 869.00 996.00 884.50 619.00 363.00 14.50 0.00 4470.72
1923 0.00 5.50 106.00 308.50 449.00 672.00 984.50 962.00 660.00 271.50 44.50 0.00 4463.50
1924 0.00 52.00 152.50 310.50 680.50 763.00 915.50 891.00 591.50 256.50 8.50 2.50 4624.00
1925 0.00 28.50 123.00 404.50 624.00 744.50 1019.50 837.50 568.00 230.00 1.00 7.50 4588.00
1926 0.00 30.00 206.50 399.50 430.00 765.50 931.50 785.50 421.00 290.00 28.00 3.50 4291.00
1927 0.00 0.00 75.00 209.00 406.50 729.50 904.00 847.50 501.50 262.00 41.50 23.00 3999.50
1928 0.00 4.50 107.00 172.00 617.00 688.00 1006.00 893.50 599.00 272.00 35.50 0.00 4394.50
1929 0.00 4.00 98.00 192.00 502.50 665.00 857.00 928.00 542.50 355.50 101.50 5.50 4251.50
1930 0.00 9.00 173.50 373.00 454.67 a 606.00 921.00 943.00 628.00 218.55 a 37.50 0.00 4364.22
1931 1.50 4.00 90.00 286.00 601.50 639.31 a 932.00 852.00 569.50 300.50 41.38 a 0.00 4317.69
1932 1.50 13.50 97.00 303.00 458.50 744.50 785.00 836.50 640.50 321.00 61.50 15.00 4277.50
1933 2.50 2.50 54.50 274.50 369.50 632.50 900.00 885.50 479.50 355.50 75.00 15.50 4047.00
1934 28.00 56.52 a 246.00 528.50 649.00 768.50 884.53 a 938.00 592.00 406.00 95.50 2.00 5194.55
1935 1.03 a 15.00 59.50 232.50 510.00 672.00 890.45 b 833.90 a 667.50 b 313.10 a 34.50 0.00 4229.48
1936 0.00 0.50 65.50 369.50 600.00 694.00 854.50 878.00 584.50 424.50 5.00 3.50 4479.50
1937 0.00 0.00 93.50 166.00 440.50 663.00 924.00 746.50 615.50 314.00 25.50 0.00 3988.50
1938 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 z 10.50 10.50
1939 8.00 0.00 127.50 295.50 503.00 597.00 880.00 875.00 591.50 295.00 15.00 5.00 4192.50
1940 0.00 3.00 168.50 228.00 532.50 758.00 897.00 851.00 680.00 303.00 0.00 0.00 4421.00
1941 0.50 1.50 154.50 311.00 448.00 642.00 1020.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2578.00
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 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
1949 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
1950 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
1951 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
1952 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
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 599.00 330.00 61.50 6.50 997.00
1954 0.00 11.00 25.00 163.50 468.50 525.00 a 770.00 737.00 545.00 190.50 89.00 0.00 3524.50
1955 0.00 4.50 12.00 84.00 349.50 660.00 776.00 804.50 556.00 254.00 31.50 0.00 3532.00
1956 2.00 0.00 29.50 303.50 582.50 557.50 927.93 a 862.00 570.50 227.00 21.50 11.00 4094.93
1957 0.00 13.00 50.50 275.00 631.00 679.00 787.50 718.50 655.50 219.00 22.50 2.07 a 4053.57
1958 0.50 67.50 41.00 186.50 677.50 815.50 986.00 975.00 518.08 d 300.00 48.50 6.00 4622.08
1959 4.00 9.50 48.50 249.50 363.00 599.50 887.50 763.50 483.50 286.50 43.50 2.00 3740.50
1960 0.00 4.00 131.00 219.00 387.50 640.00 1003.00 754.85 a 581.50 313.50 20.00 0.00 4054.35
1961 5.50 21.50 108.50 a 229.50 450.00 802.76 a 971.50 1015.00 501.00 202.00 2.00 0.00 4309.26
1962 11.00 17.50 52.50 317.50 381.00 654.00 869.00 795.50 626.00 257.00 65.50 2.50 4049.00
1963 4.50 36.00 91.00 156.00 448.50 647.00 808.00 854.00 707.50 337.50 23.00 0.00 4113.00
1964 0.00 11.00 59.50 164.50 410.50 609.50 859.00 731.50 513.50 260.50 13.50 0.00 3633.00
1965 0.50 23.50 91.50 292.00 438.50 673.50 901.00 846.62 b 515.50 333.00 83.00 1.00 4199.62
1966 0.00 3.50 118.50 260.50 538.00 598.45 a 820.98 a 847.00 683.00 262.00 59.00 7.50 4198.43
1967 16.50 22.00 56.50 90.00 501.00 775.50 946.50 991.00 747.00 234.05 a 33.00 10.00 4423.05
1968 5.50 43.00 101.50 193.50 500.50 685.00 930.50 771.00 593.00 165.00 23.50 0.00 4012.00
1969 0.00 0.00 81.63 a 228.00 570.50 834.50 866.50 777.00 601.50 248.00 66.00 0.00 4273.63
1970 0.00 4.31 b 80.00 103.00 450.00 794.00 914.50 889.50 473.00 186.50 24.00 0.00 3918.81
1971 31.52 a 29.00 16.00 175.00 569.50 583.50 913.00 979.50 437.00 282.50 17.50 0.00 4034.02
1972 0.00 6.50 127.00 145.50 542.00 641.25 b 833.00 920.24 d 447.00 269.50 24.50 0.00 z 3956.49
1973 0.00 10.50 87.50 0.00 z 0.00 z 0.00 z 900.50 827.18 a 0.00 z 233.57 b 0.00 z 0.50 2059.75
1974 9.00 3.00 63.00 207.93 a 376.50 750.00 859.00 923.00 640.71 b 264.00 32.00 4.50 4132.65
1975 0.00 0.00 20.00 138.00 465.00 619.50 997.34 b 770.00 608.50 234.00 34.50 10.50 3897.34
1976 2.50 4.50 36.00 205.00 467.50 555.00 840.00 780.50 681.00 260.00 54.50 0.00 3886.50
1977 0.00 a 29.00 50.50 360.00 380.50 789.50 855.50 999.50 500.00 215.00 25.50 6.00 4211.00
1978 0.00 3.00 134.50 192.50 402.00 721.00 881.00 806.00 505.00 235.50 13.50 0.50 3894.50
1979 0.00 4.00 83.50 225.00 549.50 719.50 907.50 879.50 640.50 346.00 7.00 0.50 4362.50
1980 0.00 o 0.00 43.50 333.50 486.50 585.00 847.00 0.00 z 559.50 233.50 46.55 a 4.50 3139.55
1981 6.20 a 19.50 128.00 0.00 z 481.02 a 548.00 811.00 969.27 a 539.50 170.50 c 15.00 0.50 3688.48
1982 0.52 a 22.00 43.50 127.00 428.50 774.00 848.50 839.00 561.00 203.50 4.00 0.00 3851.52
1983 0.50 13.50 120.00 217.00 533.00 618.00 722.50 893.50 434.50 146.50 26.00 0.00 3725.00
1984 3.50 0.00 110.50 171.00 318.50 595.00 850.00 856.00 445.00 163.00 6.50 0.00 3519.00
1985 0.00 0.50 23.00 227.00 507.50 652.50 1028.00 754.33 a 423.00 199.00 22.50 0.00 3837.33
1986 0.00 3.00 129.50 167.50 480.50 779.50 745.50 952.50 470.00 276.00 29.50 0.00 4033.50
1987 0.00 1.00 87.50 324.00 530.00 709.50 838.00 805.50 652.50 286.00 65.00 1.00 4300.00
1988 0.00 23.00 50.50 268.00 431.00 606.00 843.00 797.00 0.00 z 400.50 38.00 0.00 3457.00
1989 5.00 0.00 32.50 291.00 429.50 719.00 807.00 780.50 578.50 227.00 81.50 1.00 3952.50
1990 1.00 5.50 98.50 335.50 416.50 607.50 942.50 885.00 703.50 161.00 64.50 0.00 4221.00
1991 0.50 17.50 26.50 216.50 428.50 553.00 867.00 905.50 635.50 275.00 12.00 11.00 3948.50
1992 8.50 20.50 168.00 263.50 550.00 820.00 840.00 863.00 504.50 280.00 23.00 0.00 4341.00
1993 0.00 0.00 47.50 155.00 602.50 610.50 696.50 777.00 583.00 310.50 13.00 0.00 3795.50
1994 6.00 3.50 118.50 338.50 538.50 614.00 962.00 857.00 683.00 235.00 0.00 1.00 4357.00
1995 0.00 32.00 78.00 187.00 540.00 659.00 907.00 753.00 680.00 237.00 55.50 2.00 4130.50
1996 0.00 7.00 84.50 261.00 365.00 620.50 966.00 859.50 509.50 230.50 8.50 0.00 3912.00
1997 0.00 1.50 80.00 206.00 536.82 a 613.97 a 833.00 920.00 605.50 220.00 68.50 0.50 4085.78
1998 0.00 5.00 99.00 227.00 500.50 692.50 1042.00 914.00 758.50 217.50 42.50 0.00 4498.50
1999 1.00 6.50 58.50 176.00 360.00 597.50 799.80 a 915.00 547.50 212.87 a 76.03 a 5.50 3756.20
2000 0.00 0.00 48.05 a 316.55 a 469.50 672.50 870.00 849.50 542.00 216.00 18.50 0.00 4002.60
2001 0.00 0.00 105.00 203.00 514.50 582.50 901.50 940.50 677.00 218.50 53.50 0.00 4196.00
2002 0.00 19.50 44.50 221.50 412.50 709.50 947.50 845.50 601.00 264.00 41.00 4.50 4111.00
2003 0.00 14.50 111.00 219.00 451.50 764.50 987.50 923.00 677.50 390.00 7.00 0.00 z 4545.50
2004 0.00 0.50 146.00 0.00 z 508.00 737.00 970.50 947.00 567.50 311.50 12.00 0.00 z 4200.00
2005 0.00 z 0.00 z 155.00 263.00 586.50 636.50 903.50 925.00 0.00 z 285.50 11.50 0.00 z 3766.50
2006 0.00 0.00 z 54.50 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 54.50
Period of Record Statistics
MEAN 2.24 9.79 86.50 242.02 481.08 663.66 884.60 849.50 565.54 261.52 33.75 2.56 4079.81
S.D. 5.26 13.34 47.62 78.06 80.86 81.66 79.86 75.37 81.64 63.01 24.08 4.40 302.80
SKEW 3.73 2.07 0.60 0.58 0.32 0.27 -0.10 0.16 0.03 0.26 0.79 2.26 0.41
MAX 31.52 67.50 246.00 528.50 680.50 869.00 1092.50 1015.00 758.50 424.50 101.50 23.00 5194.55
MIN 0.00 0.00 0.00 84.00 314.50 469.50 696.50 692.00 390.50 112.00 0.00 0.00 3474.50
NO YRS 91 92 93 89 91 91 92 89 89 92 91 89 81