KENT, OREGON

Monthly Total Heating Degree Days

(354411)

Base Temperature = 65 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 249.00 u 0.00
1923 955.50 1031.00 720.00 537.00 351.50 252.00 44.00 18.00 137.00 501.50 663.50 960.00 6171.00
1924 1140.50 677.50 798.77 a 517.50 157.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3291.77
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 85.50 g 197.50 468.50 762.00 901.50 2329.50
1926 1034.50 707.50 608.50 387.00 360.50 122.50 25.50 57.00 346.50 459.32 a 733.00 1047.00 5888.82
1927 1209.00 815.00 861.00 628.50 483.00 126.50 39.50 75.00 289.00 471.50 677.50 1169.50 6845.00
1928 1126.50 910.50 725.50 654.00 251.10 a 221.00 81.50 44.00 187.50 486.50 773.50 1109.00 6570.60
1929 1312.50 1229.00 781.50 690.50 245.00 h 160.86 a 40.00 10.50 254.00 358.50 739.14 a 852.50 6429.00
1930 1602.50 687.50 717.50 416.00 427.00 183.00 23.00 28.00 190.50 591.50 832.50 1091.50 6790.50
1931 922.00 858.00 757.00 518.00 225.00 169.50 18.00 16.00 255.00 495.50 905.50 1125.00 6264.50
1932 1033.85 a 966.00 786.00 558.00 371.50 146.50 92.50 101.00 120.00 408.00 665.69 a 1173.50 6422.54
1933 1067.50 1010.00 784.00 584.00 522.00 135.00 7.00 54.00 310.00 342.00 697.00 786.00 6298.50
1934 798.00 693.00 503.00 313.00 263.50 116.00 45.50 23.50 248.00 442.00 697.78 c 984.50 5127.78
1935 1024.55 a 850.50 865.00 658.00 336.00 142.00 87.00 61.50 97.00 459.83 a 866.00 1117.50 6564.88
1936 978.50 1298.00 790.50 470.50 280.50 129.00 41.50 19.00 179.00 320.85 a 815.50 915.00 6237.85
1937 1551.00 926.00 726.50 649.82 b 345.00 150.00 31.00 81.12 a 149.00 376.00 764.50 928.50 6678.44
1938 1017.00 941.00 807.50 567.50 399.50 141.50 44.00 103.00 143.00 503.00 932.50 990.00 6589.50
1939 924.00 983.00 738.50 557.50 305.50 252.00 57.50 24.00 156.00 480.50 652.50 842.00 5973.00
1940 1145.00 809.00 630.50 551.50 266.50 109.50 33.58 a 22.00 155.00 407.00 892.00 939.00 5960.58
1941 1033.50 767.93 a 626.50 467.50 388.50 190.50 13.00 73.50 289.50 526.45 c 676.00 942.00 5994.87
1942 1362.50 894.00 822.00 530.00 448.50 271.50 37.50 52.50 113.00 379.00 837.00 908.00 6655.50
1943 1289.50 881.50 854.50 507.00 504.00 303.50 62.50 75.00 73.00 438.50 820.50 1090.00 6899.50
1944 1094.50 952.00 819.50 602.50 377.00 215.50 57.50 56.00 173.50 325.00 872.00 1165.00 6710.00
1945 978.50 832.00 861.00 639.50 340.50 239.50 24.50 29.00 236.00 373.50 795.50 1027.50 6377.00
1946 923.00 786.00 786.00 549.00 299.50 219.50 61.00 47.00 218.50 624.00 888.50 940.50 6342.50
1947 1078.50 737.50 614.50 460.00 202.00 240.50 63.00 73.00 159.00 508.50 802.00 892.50 5831.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 107.98 a 107.50 269.50 545.50 804.50 1156.50 2991.48
1949 1479.00 964.00 796.50 355.50 h 263.00 171.35 d 68.00 62.50 145.50 g 490.00 g 636.50 1020.62 e 5461.46
1950 579.50 s 988.81 a 864.00 654.50 425.50 203.00 45.00 30.50 129.00 525.81 e 782.78 c 862.50 5511.40
1951 932.00 f 872.50 758.00 f 505.50 408.00 99.00 e 32.00 70.00 84.50 m 530.50 842.00 1105.00 4464.50
1952 1193.50 839.00 851.00 510.00 346.50 196.11 c 48.00 54.50 105.50 270.50 952.50 1057.50 6424.61
1953 756.00 759.36 c 778.50 644.50 488.00 348.50 43.18 c 80.50 125.00 265.50 673.00 872.50 5834.54
1954 1067.00 800.00 901.00 587.50 352.50 262.50 d 77.50 c 135.76 b 216.00 588.43 d 647.59 a 1047.50 6683.27
1955 1039.00 900.00 956.35 a 757.50 490.83 a 189.00 155.50 35.13 a 218.00 463.00 952.00 1063.00 7219.32
1956 1038.00 1079.50 801.41 d 495.54 b 320.16 b 232.78 c 36.50 78.50 130.00 552.50 880.00 941.00 6585.88
1957 1485.50 900.00 803.00 559.00 292.50 130.00 69.50 79.50 122.00 600.00 782.07 a 821.50 6644.57
1958 962.00 648.00 830.50 615.00 192.50 135.50 9.82 a 10.33 a 210.50 389.00 808.97 a 883.50 5695.62
1959 982.50 899.50 762.50 555.50 503.00 179.50 66.65 a 71.00 265.00 442.50 742.50 d 1016.50 6486.65
1960 1241.00 895.50 723.50 0.00 z 0.00 z 146.50 14.00 126.58 a 145.00 389.00 782.00 1079.50 5542.58
1961 966.00 688.50 748.00 579.64 b 418.00 96.50 24.50 7.48 b 267.41 a 542.50 904.00 974.00 6216.54
1962 1079.00 839.00 848.00 462.00 537.50 189.50 95.00 86.80 a 128.00 471.00 725.50 897.50 6358.80
1963 1182.50 652.50 742.50 689.00 441.50 268.97 a 119.00 59.86 b 190.34 a 329.00 l 753.62 a 1043.00 6142.79
1964 962.00 798.50 851.47 a 661.00 466.50 231.00 72.50 134.00 252.50 510.47 a 928.50 1095.33 a 6963.77
1965 1025.00 746.50 890.22 a 545.00 f 173.00 t 210.00 60.50 80.50 280.00 306.50 711.00 982.50 5292.72
1966 994.50 844.00 771.00 538.50 331.00 232.50 89.50 48.00 157.00 449.50 739.00 887.00 6081.50
1967 865.00 730.50 825.50 739.50 376.50 135.00 11.62 c 8.00 60.52 a 447.95 a 744.81 d 1040.29 e 5985.19
1968 980.50 762.50 662.00 639.00 385.50 179.00 52.18 a 126.58 a 195.50 548.00 794.00 1120.50 6445.27
1969 1375.00 996.00 768.00 605.50 272.00 107.00 67.50 79.50 192.00 599.50 707.00 1043.50 6812.50
1970 1059.00 801.00 808.50 738.00 392.50 155.50 36.00 21.00 341.50 570.50 809.50 1010.00 6743.00
1971 897.50 777.00 874.00 647.50 358.50 297.00 97.50 40.50 331.00 555.23 c 774.44 c 995.50 6645.68
1972 1074.00 879.50 700.17 b 704.00 344.50 158.00 33.07 a 46.50 312.12 d 543.50 783.50 1274.10 a 6852.95
1973 1163.00 849.00 780.68 a 579.00 353.00 116.00 l 55.00 94.00 217.50 512.03 b 881.50 894.87 a 6379.58
1974 1255.00 781.00 799.28 a 650.50 527.00 b 96.50 o 77.50 g 57.00 h 112.20 e 454.50 769.50 966.50 6315.48
1975 1035.29 b 1010.80 c 924.32 a 815.19 d 468.21 b 279.00 43.40 a 101.02 b 145.50 531.43 c 831.00 895.00 7080.15
1976 929.47 b 901.00 643.50 h 675.00 c 420.00 206.50 n 39.00 h 119.50 124.04 d 435.50 715.34 a 953.25 a 5273.10
1977 1153.41 b 820.00 818.00 464.48 a 514.17 b 74.50 o 82.84 b 52.50 308.00 516.67 a 899.44 c 1009.50 6639.02
1978 1063.30 a 817.38 b 665.50 638.50 504.02 b 174.44 c 14.00 q 96.00 276.00 465.50 992.31 d 1185.00 6877.95
1979 1544.50 901.60 c 701.00 601.50 343.50 185.19 d 53.39 d 15.00 j 91.00 375.62 a 964.62 d 907.00 6668.91
1980 1254.50 930.69 b 818.00 529.00 425.22 a 323.65 d 66.98 c 63.50 g 182.14 b 500.00 788.50 614.00 j 5818.68
1981 1034.76 b 874.00 728.50 d 611.00 419.00 92.50 o 86.50 33.00 209.50 547.00 572.00 g 987.35 a 5530.61
1982 1084.00 900.50 799.50 699.50 411.00 156.00 n 101.00 48.00 224.50 516.50 894.00 1034.50 6713.00
1983 854.50 713.50 638.00 594.00 315.00 142.50 l 125.00 19.50 254.00 425.50 691.50 1329.00 5959.50
1984 955.00 790.00 665.50 655.50 488.50 273.50 27.50 25.50 139.00 m 592.00 830.50 837.50 i 5303.50
1985 1279.00 585.00 j 794.00 468.00 324.50 123.00 10.50 56.00 314.50 556.00 1159.00 867.50 m 5084.50
1986 954.28 a 800.00 582.50 616.50 409.00 72.00 102.30 a 5.00 310.00 402.00 738.75 b 1104.00 6096.33
1987 1093.00 783.50 733.50 410.50 279.50 130.00 83.00 48.50 107.00 324.00 732.00 1116.50 5841.00
1988 1106.00 776.50 741.50 494.50 418.50 237.50 55.00 42.50 190.50 211.50 749.00 991.50 6014.50
1989 929.00 1177.50 820.00 463.50 400.50 108.50 57.50 70.00 128.00 454.50 632.00 971.00 6212.00
1990 910.00 835.74 e 678.50 400.00 417.00 174.00 33.00 56.50 36.00 488.50 661.50 1249.00 5939.74
1991 1023.00 617.00 807.50 587.50 470.50 258.00 22.50 16.00 66.50 414.50 771.00 959.00 6013.00
1992 890.50 692.38 a 593.50 457.50 217.50 79.50 60.50 36.50 194.48 a 372.50 798.00 1113.50 5506.36
1993 1308.00 1076.50 777.00 586.50 239.50 235.50 169.50 84.50 157.00 338.00 949.00 1022.00 6943.00
1994 793.50 915.50 628.00 472.00 300.00 191.50 36.50 26.00 74.50 506.00 902.00 985.00 5830.50
1995 1072.50 707.50 756.50 601.50 330.00 219.00 47.50 89.50 112.50 517.50 634.50 1050.00 6138.50
1996 976.50 992.50 756.00 534.00 494.00 183.00 41.50 49.50 203.50 472.00 784.00 1014.50 6501.00
1997 1001.50 816.50 708.00 592.00 255.00 197.50 43.00 8.50 139.00 471.00 735.00 974.00 5941.00
1998 961.00 737.00 700.00 567.50 403.00 150.00 2.00 24.50 97.00 483.00 698.50 992.00 5815.50
1999 822.00 758.00 753.50 618.75 b 464.45 c 200.50 70.78 a 42.50 153.00 429.50 609.50 924.00 5846.48
2000 1062.50 850.50 729.50 433.50 333.50 138.00 55.50 46.50 166.00 490.00 966.00 1075.00 6346.50
2001 1027.50 881.50 681.50 622.00 272.00 202.00 54.50 23.00 95.00 466.00 713.00 1009.00 6047.00
2002 964.50 766.50 850.50 538.00 394.50 138.50 27.50 55.00 153.00 540.50 762.50 966.00 6157.00
2003 866.50 813.00 629.00 611.50 390.50 128.00 20.50 12.50 127.50 332.50 907.00 1008.50 5847.00
2004 1192.00 868.00 613.00 504.00 0.00 z 169.50 25.50 39.50 199.00 435.50 0.00 z 0.00 z 4046.00
Period of Record Statistics
MEAN 1075.20 853.93 759.16 571.36 372.55 185.59 54.84 55.15 185.75 461.15 792.19 1011.35 6304.92
S.D. 178.59 127.37 87.38 93.39 89.50 60.25 32.78 33.05 74.72 86.22 102.35 105.46 422.76
SKEW 1.01 0.94 -0.43 -0.11 -0.17 0.45 1.06 0.55 0.33 -0.54 0.67 0.49 -0.11
MAX 1602.50 1298.00 956.35 815.19 537.50 348.50 169.50 135.76 346.50 624.00 1159.00 1329.00 7219.32
MIN 756.00 617.00 503.00 313.00 157.50 72.00 2.00 5.00 36.00 211.50 609.50 786.00 5127.78
NO YRS 78 79 78 77 76 72 77 77 78 79 79 77 59