KENT, OREGON

Monthly Total Growing Degree Days

(354411)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200410
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
1922 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 17.00 u 0.00
1923 23.50 10.50 133.00 213.00 425.00 541.50 907.00 918.50 676.50 284.50 102.50 22.00 4257.50
1924 16.00 74.50 32.03 a 244.00 653.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1020.03
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 31.00 z 609.00 g 568.00 306.50 44.00 28.50 947.00
1926 3.50 49.00 172.00 375.00 415.00 755.50 946.50 824.00 419.00 316.20 a 95.50 18.50 4389.70
1927 3.50 5.50 36.00 167.50 301.50 648.00 887.50 863.50 463.50 306.50 133.00 14.50 3830.50
1928 14.00 6.00 94.50 128.50 544.57 a 555.00 899.00 832.50 619.00 295.00 40.00 5.50 4033.57
1929 0.00 0.00 49.50 116.00 341.50 h 637.24 a 840.00 976.00 536.50 417.00 101.90 a 34.00 3708.14
1930 1.00 83.00 125.00 334.00 349.50 588.00 902.50 902.00 591.50 193.00 86.00 0.00 4155.50
1931 27.50 16.00 88.50 236.50 577.00 602.00 952.00 890.00 527.50 280.00 54.00 7.00 4258.00
1932 6.20 a 57.50 71.50 196.50 403.50 688.50 748.00 782.50 669.50 371.50 104.48 a 9.00 4108.68
1933 16.00 2.00 43.00 194.00 253.50 656.50 936.50 901.00 440.00 434.50 103.50 96.50 4077.00
1934 46.50 47.50 273.00 454.50 539.00 683.00 842.00 899.50 559.50 339.50 81.11 c 11.00 4776.11
1935 28.93 a 2.50 38.00 129.00 443.00 638.00 846.00 825.00 736.00 347.72 a 40.00 0.50 4074.65
1936 9.00 5.00 88.50 330.00 519.00 673.50 865.50 890.00 603.00 454.15 a 72.00 29.50 4539.15
1937 0.00 0.00 86.50 109.82 b 431.00 651.00 893.00 775.00 a 646.50 399.00 37.00 18.50 4047.32
1938 3.50 1.00 48.00 184.50 398.50 653.50 928.00 718.50 643.00 272.00 23.00 25.50 3899.00
1939 1.00 0.00 137.50 213.00 485.50 515.00 901.00 917.50 631.00 302.00 110.50 72.00 4286.00
1940 0.00 18.50 160.00 198.50 520.00 754.00 862.83 a 884.50 619.00 371.00 25.50 18.50 4432.33
1941 1.50 9.85 a 165.50 284.50 395.50 588.00 983.00 823.00 460.50 252.43 c 120.00 38.50 4122.28
1942 0.00 0.00 44.00 226.50 328.00 497.00 933.00 914.00 675.00 403.00 33.50 18.00 4072.00
1943 2.00 6.00 53.00 246.00 275.50 456.50 866.00 742.50 724.00 352.50 36.00 8.50 3768.50
1944 12.50 4.50 72.50 154.00 401.50 548.00 839.00 762.00 672.50 450.00 27.50 15.50 3959.50
1945 33.50 10.00 23.00 150.50 435.50 552.50 904.00 896.50 545.00 403.50 55.00 20.50 4029.50
1946 6.00 22.50 46.00 209.00 475.50 551.00 850.50 863.00 535.00 178.50 23.50 39.00 3799.50
1947 14.50 53.50 173.50 297.50 607.00 522.50 771.50 754.00 626.50 268.50 32.50 11.00 4132.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 717.65 a 715.00 515.00 246.50 36.00 0.50 2230.65
1949 0.00 2.00 41.50 199.00 h 545.00 623.08 d 800.00 784.00 440.50 g 134.00 g 148.50 7.15 e 2951.23
1950 0.00 s 14.52 a 29.00 110.50 357.00 580.50 864.00 891.00 673.50 249.19 e 67.22 c 32.00 3868.43
1951 6.50 f 19.00 30.00 f 254.50 371.00 678.60 e 901.00 813.00 372.00 m 254.00 32.00 5.00 3328.10
1952 0.00 48.50 47.50 251.50 433.00 559.44 c 906.00 854.00 735.50 506.00 17.50 5.00 4363.94
1953 70.50 28.00 c 68.00 153.00 289.00 401.50 865.79 c 794.00 670.00 511.00 105.00 15.50 3971.29
1954 11.50 33.00 23.50 177.50 437.50 503.65 d 766.70 c 672.91 b 538.00 195.19 d 130.34 a 1.00 3490.79
1955 0.00 5.00 24.80 a 59.00 285.20 a 607.00 716.00 846.30 a 615.00 317.00 76.00 15.00 3566.30
1956 4.50 1.00 65.44 d 266.79 b 479.43 b 530.00 c 939.00 819.00 654.50 244.50 45.00 38.00 4087.16
1957 0.00 31.50 40.50 194.00 493.00 664.50 784.00 724.50 681.50 180.00 57.93 a 33.50 3884.93
1958 16.50 83.50 41.50 140.50 613.00 700.00 990.97 a 1019.38 a 568.00 400.00 95.69 a 30.50 4699.54
1959 26.50 5.50 63.50 199.50 276.50 594.00 920.18 a 776.50 500.50 334.50 122.31 d 9.00 3828.49
1960 3.00 12.00 221.50 0.00 z 0.00 z 635.00 1018.00 751.75 a 641.50 390.00 58.00 4.50 3735.25
1961 27.00 56.00 74.00 181.61 b 357.00 789.50 949.00 1037.97 b 488.79 a 253.00 27.00 20.50 4261.37
1962 36.50 45.50 36.50 290.50 237.50 585.50 835.50 771.90 a 661.00 304.00 70.00 22.00 3896.40
1963 5.00 98.50 84.50 99.00 336.00 507.93 a 685.50 850.36 b 628.97 a 152.50 l 49.66 a 6.50 3351.91
1964 11.50 26.50 49.60 a 117.00 321.00 533.50 834.50 705.00 504.00 270.73 a 20.00 14.98 a 3408.32
1965 19.50 58.00 34.62 a 80.50 f 102.00 t 552.00 883.50 821.50 471.50 469.00 101.00 15.50 3426.12
1966 7.50 2.50 103.50 222.00 469.50 535.00 754.50 831.00 635.00 329.50 53.50 37.00 3980.50
1967 26.00 32.00 40.00 53.00 411.00 694.00 949.93 c 1039.00 761.90 a 327.05 a 69.23 d 35.77 e 4438.88
1968 34.50 88.00 134.00 152.00 394.50 626.50 930.52 a 743.48 a 589.50 227.00 34.50 1.50 3956.00
1969 13.00 0.00 112.50 150.00 524.50 723.00 826.00 761.50 595.00 194.50 119.50 9.50 4029.00
1970 15.50 6.50 45.50 59.50 385.00 747.50 902.50 881.00 412.00 233.50 44.50 16.50 3749.50
1971 61.50 58.00 27.00 123.50 420.00 462.00 909.00 932.50 419.00 293.95 c 48.89 c 4.00 3759.34
1972 25.00 47.00 134.16 b 91.50 443.50 621.00 884.53 a 923.50 463.27 d 262.00 34.00 49.08 a 3978.54
1973 17.50 18.50 37.20 a 187.00 450.00 355.50 l 896.00 777.00 565.50 262.97 b 32.50 18.08 a 3262.25
1974 23.50 13.00 70.27 a 112.00 258.16 b 318.00 o 618.00 g 633.50 h 684.60 e 320.50 50.50 10.50 1543.02
1975 22.45 b 0.00 c 12.40 a 28.85 d 312.14 b 485.00 939.82 a 724.76 b 643.00 251.32 c 84.00 58.00 3561.73
1976 32.07 b 9.50 36.00 h 110.56 c 355.00 193.50 n 611.00 h 701.00 659.42 d 344.50 110.69 a 9.82 a 2332.55
1977 18.17 b 55.50 47.50 303.62 a 266.71 b 314.50 o 797.98 b 991.00 444.50 258.85 a 45.00 c 30.50 3259.33
1978 0.00 a 16.69 b 185.50 121.50 273.66 b 603.89 c 426.00 q 807.00 483.50 324.00 49.04 d 0.00 2864.77
1979 0.00 9.52 c 117.00 165.00 434.00 611.54 d 864.56 d 590.00 j 684.50 406.62 a 7.50 d 36.50 3336.73
1980 3.00 20.41 b 29.00 240.00 349.78 a 426.35 d 813.20 c 570.00 g 590.36 b 297.00 73.00 53.00 j 2842.09
1981 5.88 b 39.00 69.46 d 168.50 356.00 289.00 o 793.00 964.00 619.00 232.50 68.50 g 5.17 a 3252.51
1982 3.50 32.50 38.50 112.50 365.50 250.50 n 777.00 868.00 557.00 261.50 26.50 5.00 3047.50
1983 42.50 61.50 139.00 172.50 509.00 309.00 l 705.50 904.50 501.00 349.50 104.50 0.00 3489.50
1984 35.50 9.50 114.50 106.50 292.00 495.50 884.00 881.00 314.00 m 222.50 17.00 0.00 i 3058.00
1985 0.00 5.00 j 66.00 296.00 462.50 671.50 1041.50 803.50 435.50 247.00 53.00 0.00 m 4076.50
1986 6.72 a 67.00 192.50 143.00 415.00 812.50 729.53 a 1008.00 459.50 373.00 62.68 b 0.00 4269.43
1987 1.00 13.50 87.50 348.00 531.00 720.00 770.00 853.00 729.00 458.00 97.50 20.00 4628.50
1988 0.50 68.50 76.00 262.50 362.50 560.50 894.00 831.00 626.00 570.00 77.50 32.00 4361.00
1989 33.50 0.00 55.00 290.50 375.50 680.00 817.00 771.50 657.00 328.00 142.00 25.50 4175.50
1990 27.00 42.61 e 137.50 353.50 359.00 620.00 984.00 914.00 784.00 288.00 124.50 15.50 4649.61
1991 33.00 93.00 50.00 176.50 304.50 498.00 903.00 962.00 749.00 438.50 69.00 18.50 4295.00
1992 52.50 65.25 a 185.00 297.50 583.50 807.50 862.50 963.00 581.38 a 412.00 45.50 0.00 4855.63
1993 0.00 0.00 80.50 166.00 555.50 538.00 619.50 784.50 680.50 443.50 32.00 13.50 3913.50
1994 48.50 11.00 179.00 278.50 484.50 591.50 977.50 858.00 757.50 270.00 8.00 41.50 4505.50
1995 17.50 111.00 92.50 161.00 455.00 561.00 847.00 766.00 705.50 272.00 157.50 20.50 4166.50
1996 46.00 53.00 75.50 219.50 286.00 577.00 981.50 902.50 571.00 324.00 53.50 3.00 4092.50
1997 28.00 36.50 125.50 178.00 540.50 563.50 839.50 939.50 649.50 308.00 79.00 17.50 4305.00
1998 19.00 22.00 121.00 193.50 372.50 615.50 1029.00 958.00 795.50 296.00 78.00 43.50 4543.50
1999 45.00 27.50 76.00 171.96 b 321.07 c 584.00 830.28 a 922.00 632.00 353.50 165.00 25.50 4153.82
2000 3.50 7.00 77.50 317.00 443.00 655.50 841.50 857.50 623.50 285.00 27.00 0.50 4138.50
2001 7.00 11.00 125.50 173.50 550.50 571.00 869.00 960.50 729.00 316.00 94.50 5.00 4412.50
2002 9.00 42.50 45.00 217.00 386.00 679.50 946.00 809.00 645.50 272.50 89.50 25.00 4166.50
2003 47.00 16.00 159.50 152.00 397.00 675.00 993.50 919.50 703.50 466.50 33.00 1.00 4563.50
2004 3.50 4.50 171.00 248.50 0.00 z 641.00 934.50 931.50 564.50 340.50 0.00 z 0.00 z 3839.50
Period of Record Statistics
MEAN 16.89 28.66 87.63 197.55 414.00 606.32 870.39 852.57 604.12 323.85 67.52 19.13 4138.25
S.D. 16.82 28.04 54.74 82.03 97.75 87.37 83.68 86.12 95.76 83.18 38.06 17.29 313.95
SKEW 1.01 0.98 0.99 0.52 0.27 0.17 -0.46 0.09 -0.23 0.62 0.59 1.70 0.03
MAX 70.50 111.00 273.00 454.50 653.50 812.50 1041.50 1039.00 795.50 570.00 165.00 96.50 4855.63
MIN 0.00 0.00 12.40 28.85 237.50 401.50 619.50 672.91 412.00 178.50 7.50 0.00 3408.32
NO YRS 78 79 78 77 76 72 77 77 78 79 79 77 59