OREGON CITY, OREGON

Monthly Total Heating Degree Days

(356334)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
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 0.00 z 0.00
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
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 44.00 31.52 a 159.50 355.50 637.50 824.08 a 2052.10
1949 1080.50 718.50 552.50 347.00 168.50 101.50 50.50 28.00 92.50 522.00 473.00 722.50 4857.00
1950 1095.50 654.50 594.68 a 428.50 286.50 111.00 23.80 c 20.15 a 126.50 381.50 534.00 550.50 4807.14
1951 778.00 608.50 697.50 306.00 232.50 70.50 13.95 a 29.45 a 81.72 a 328.00 553.50 813.00 4512.62
1952 844.50 665.50 615.00 330.50 214.50 126.50 13.43 a 20.50 74.00 194.50 712.24 a 711.50 4522.67
1953 526.50 571.50 577.00 417.00 293.50 177.50 23.00 21.00 82.00 299.50 478.00 659.27 a 4125.77
1954 776.00 579.50 640.00 418.00 211.50 180.00 43.00 45.00 121.03 a 341.50 423.00 704.50 4483.03
1955 755.50 658.54 b 703.00 534.00 330.50 139.00 73.50 36.00 144.00 326.02 a 671.50 737.50 5109.06
1956 732.00 814.50 619.00 325.50 172.00 152.00 15.50 37.72 a 93.50 406.00 621.00 750.00 4738.72
1957 1015.00 611.50 545.00 359.50 174.00 85.86 a 24.80 a 27.00 25.00 346.00 614.50 634.97 b 4463.13
1958 641.00 420.00 580.50 385.00 110.00 53.00 0.50 1.50 93.10 a 255.00 533.50 586.50 3659.60
1959 679.50 596.00 550.00 358.00 268.50 86.00 30.00 22.50 152.50 286.75 a 566.00 726.50 4322.25
1960 858.50 620.50 567.00 378.00 304.50 64.50 21.00 56.00 96.50 292.50 547.50 745.00 4551.50
1961 613.50 492.50 524.00 418.00 261.50 53.50 14.50 3.00 155.50 359.50 634.50 732.50 4262.50
1962 799.50 614.50 591.00 341.00 350.50 96.50 48.00 22.50 63.00 332.00 508.00 664.50 4431.00
1963 908.50 449.00 568.00 457.50 238.00 152.00 51.00 20.00 30.50 301.00 517.50 738.00 4431.00
1964 680.50 640.50 596.00 454.50 307.50 128.00 27.00 59.00 117.50 273.50 647.00 802.00 4733.00
1965 721.00 572.50 448.00 361.00 317.00 118.50 26.50 16.00 126.00 268.50 474.50 807.00 4256.50
1966 751.00 616.50 567.00 362.00 224.00 100.50 27.50 17.00 59.50 336.50 497.00 601.50 4160.00
1967 622.50 564.00 613.50 511.50 216.50 47.00 1.50 0.50 19.66 a 311.55 a 499.00 709.00 4116.21
1968 742.50 407.00 459.50 436.50 220.00 94.50 16.53 a 41.50 93.50 365.50 523.00 832.00 4232.03
1969 972.88 a 636.50 501.50 404.00 146.50 52.50 11.88 a 24.00 98.00 363.00 551.90 a 672.50 4435.16
1970 716.50 481.50 521.50 494.00 231.00 75.00 14.98 a 11.50 139.50 364.00 532.76 a 751.50 4333.74
1971 751.00 615.50 638.50 430.50 213.50 171.50 33.50 6.50 134.00 412.50 583.00 780.50 4770.50
1972 803.50 611.50 482.50 510.00 181.00 78.00 18.00 14.50 178.00 353.50 496.00 860.50 4587.00
1973 795.50 526.00 552.50 382.00 199.00 114.00 15.00 58.50 84.00 363.73 a 633.50 641.50 4365.23
1974 834.50 628.50 541.00 406.00 300.00 75.00 a 31.50 17.00 32.07 a 289.50 526.00 667.50 4348.57
1975 708.00 653.50 631.50 520.50 241.50 125.69 a 28.00 64.00 49.50 362.50 589.50 653.50 4627.69
1976 680.50 665.00 615.50 421.15 d 235.82 c 165.52 a 28.00 44.29 c 48.62 a 326.53 a 492.69 d 778.62 a 4502.24
1977 809.50 521.00 567.30 a 339.64 b 330.50 44.50 31.00 b 16.02 a 130.71 b 292.95 a 601.03 a 650.48 a 4334.64
1978 697.50 486.00 442.50 412.00 276.50 47.00 24.50 30.00 124.50 221.00 677.88 d 873.00 4312.38
1979 1008.00 636.50 431.00 366.50 177.00 86.25 b 9.50 2.50 33.10 a 246.00 610.00 619.50 4225.85
1980 883.00 589.50 584.00 327.93 a 245.50 146.38 a 12.00 31.52 a 70.56 c 300.00 505.50 648.50 4344.38
1981 642.00 561.00 491.50 366.00 241.50 120.50 26.00 1.50 99.83 a 341.50 509.50 671.00 4071.83
1982 788.50 615.00 560.50 496.50 231.00 86.00 28.00 13.50 87.00 301.50 610.50 710.00 4528.00
1983 628.50 473.00 445.00 364.00 190.00 0.00 z 45.00 1.50 120.00 330.50 493.00 878.50 3969.00
1984 663.50 558.50 0.00 z 458.00 289.50 148.00 17.00 8.00 0.00 z 418.00 578.00 841.13 a 3979.63
1985 857.00 676.50 627.50 356.50 253.00 94.00 0.00 25.50 135.00 354.50 791.25 b 902.50 5073.25
1986 613.50 557.00 382.00 425.00 252.00 41.38 a 46.50 0.00 n 60.00 x 262.00 517.50 0.00 z 3096.88
1987 732.00 507.00 479.50 261.50 168.00 48.00 29.50 8.50 65.00 201.00 492.93 a 776.00 3768.93
1988 775.50 550.00 527.50 339.00 253.50 104.50 24.50 25.50 83.00 187.50 523.50 726.50 4120.50
1989 676.50 752.50 567.00 225.50 200.50 47.50 21.00 28.50 42.50 303.00 482.00 755.00 4101.50
1990 641.50 604.50 446.00 278.50 245.00 70.00 9.00 10.00 9.50 347.00 496.00 931.50 4088.50
1991 719.50 407.00 550.50 403.00 308.00 152.00 3.00 15.00 28.00 272.50 523.00 697.50 4079.00
1992 602.50 435.00 341.50 273.00 89.00 40.50 2.00 4.00 94.50 250.00 539.50 785.00 3456.50
1993 830.50 637.00 444.00 358.00 116.50 96.50 43.00 16.50 48.50 189.00 693.50 716.50 4189.50
1994 625.00 625.50 423.50 307.50 144.00 107.00 16.50 1.50 33.50 302.77 a 683.28 a 668.00 3938.04
1995 599.50 468.00 477.00 371.00 149.00 99.00 3.50 19.50 24.00 291.50 373.00 680.50 3555.50
1996 678.38 a 616.00 478.50 323.00 279.50 75.50 11.50 16.50 114.00 328.00 575.00 694.50 4190.38
1997 711.50 547.50 529.00 381.00 91.50 61.50 4.50 0.00 35.50 317.00 421.00 722.50 3822.50
1998 631.50 488.50 444.50 335.50 250.50 34.50 5.50 1.50 31.50 304.00 486.50 726.50 3740.50
1999 668.00 582.81 a 552.83 a 380.50 296.57 a 132.41 a 25.50 i 12.00 r 51.43 b 254.09 c 0.00 z 618.85 d 3537.50
2000 518.50 i 442.50 f 424.00 h 208.00 h 120.50 l 50.40 e 12.00 i 9.00 g 45.50 j 283.77 e 500.50 f 582.00 f 334.17
2001 671.27 e 600.25 d 469.98 c 316.50 g 80.00 v 56.50 l 10.50 f 3.50 f 53.08 d 257.50 g 490.96 d 678.42 e 2963.96
2002 708.50 527.50 598.50 340.50 259.00 86.67 c 1.50 i 14.00 35.00 i 294.50 498.50 660.00 3987.67
2003 571.50 534.50 385.00 g 411.50 116.00 l 27.00 m 0.00 x 0.00 46.50 214.50 591.43 b 711.50 3081.43
2004 785.00 525.00 0.00 z 241.67 c 168.00 57.50 3.00 6.50 75.00 278.47 b 604.62 d 484.50 g 2744.75
2005 660.50 570.50 414.62 c 373.50 172.50 103.20 e 3.50 g 1.00 o 47.00 o 287.00 609.50 742.50 3933.82
2006 612.50 604.00 570.50 320.50 0.00 z 41.50 10.50 3.50 g 43.50 h 291.00 f 534.00 e 753.19 d 3446.69
2007 642.50 g 437.00 f 434.00 e 385.80 e 172.50 f 45.00 l 0.00 5.00 h 103.00 224.00 l 448.00 h 552.50 h 922.80
2008 814.50 412.50 i 429.00 i 375.00 f 0.00 z 129.81 d 0.00 z 10.50 61.00 0.00 z 473.00 848.07 c 2336.88
2009 771.00 627.50 608.00 369.50 187.00 32.00 6.20 a 6.50 48.50 353.00 539.50 855.50 4404.20
2010 573.50 487.50 480.50 412.00 292.50 128.00 26.00 30.00 65.00 277.00 581.00 646.00 3999.00
2011 701.12 a 682.50 562.81 b 484.66 a 328.50 98.33 c 18.50 1.15 d 31.55 a 0.00 z 618.62 a 821.50 b 4349.24
2012 705.52 b 578.84 d 434.50 h 344.00 223.64 c 113.04 b 5.96 e 3.00 i 57.60 e 634.50 486.21 a 869.50 4018.80
2013 986.00 574.00 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 0.00 z 1560.00
Period of Record Statistics
MEAN 744.88 579.05 534.90 382.46 230.33 95.31 21.61 20.03 80.91 315.94 552.93 733.41 4307.95
S.D. 124.23 81.20 77.45 67.34 62.78 39.71 15.53 16.20 41.73 73.10 76.85 84.08 355.11
SKEW 0.94 0.01 -0.20 0.16 -0.27 0.30 0.86 0.91 0.33 1.48 0.55 0.29 -0.14
MAX 1095.50 814.50 703.00 534.00 350.50 180.00 73.50 64.00 178.00 634.50 791.25 931.50 5109.06
MIN 526.50 407.00 341.50 225.50 89.00 32.00 0.00 0.00 9.50 187.50 373.00 550.50 3456.50
NO YRS 63 62 58 61 58 60 58 57 59 60 62 61 49