OREGON CITY, OREGON

Monthly Total Growing Degree Days

(356334)

Base Temperature = 50 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 480.00 468.62 a 333.00 126.50 2.50 0.00 a 1410.62
1949 0.00 0.50 11.00 124.00 315.00 372.50 481.00 509.00 393.50 37.50 51.00 0.50 2295.50
1950 0.00 3.00 14.47 a 59.00 189.00 385.00 534.75 c 595.72 a 357.50 116.50 31.50 23.50 2309.93
1951 0.00 14.00 3.50 147.00 237.50 445.50 576.08 a 508.92 a 427.76 a 159.00 6.50 0.00 2525.76
1952 0.50 1.00 9.50 136.00 263.50 333.00 607.60 a 566.00 458.50 284.00 6.21 a 5.50 2671.31
1953 25.00 10.50 14.50 86.50 188.00 274.50 533.50 553.00 410.00 172.50 36.50 3.62 a 2308.12
1954 0.00 0.00 1.50 71.50 268.50 279.00 448.00 445.50 339.83 a 151.50 70.50 0.00 2075.83
1955 0.00 1.62 b 3.50 34.00 146.50 365.50 437.50 496.50 360.50 158.10 a 26.00 8.00 2037.72
1956 0.00 0.00 13.00 151.50 339.00 305.50 605.50 506.33 a 373.50 115.50 4.00 8.50 2422.33
1957 0.00 15.00 13.00 123.50 304.50 392.59 a 503.23 a 465.50 516.50 123.00 3.50 3.74 b 2464.06
1958 8.00 51.00 12.50 86.00 411.50 511.00 702.50 681.00 419.48 a 224.00 47.50 26.00 3180.48
1959 3.50 5.00 11.00 111.00 214.50 401.50 603.00 515.50 315.00 192.20 a 34.00 7.00 2413.20
1960 1.50 3.50 57.50 112.50 167.00 429.00 614.50 485.50 390.00 184.00 14.00 0.00 2459.00
1961 18.50 19.50 22.50 75.00 226.00 518.00 626.00 660.50 311.50 164.50 4.00 1.50 2647.50
1962 6.00 5.50 16.00 128.00 119.50 380.00 521.50 524.00 433.00 137.00 35.00 3.50 2309.00
1963 0.00 35.00 16.50 59.00 275.00 339.50 437.00 541.00 494.00 191.00 15.00 2.00 2405.00
1964 1.50 0.50 28.50 40.00 186.50 325.00 532.50 481.00 338.00 212.00 6.50 4.50 2156.50
1965 4.50 2.50 80.50 114.00 167.50 349.50 600.50 562.00 335.00 200.50 44.00 4.50 2465.00
1966 0.00 6.50 47.50 101.50 266.00 392.50 513.00 553.50 451.50 155.50 26.00 10.50 2524.00
1967 8.00 0.00 12.50 18.50 266.50 515.50 622.00 743.50 540.00 a 159.65 a 36.50 9.00 2931.65
1968 11.00 77.50 49.50 73.00 252.50 408.00 589.52 a 516.00 405.50 111.00 23.50 0.00 2517.02
1969 0.00 a 0.00 59.00 76.50 361.00 517.00 549.22 a 510.50 409.50 107.00 30.52 a 0.00 2620.23
1970 7.00 17.00 13.00 22.00 263.50 508.00 596.23 a 583.00 323.00 143.50 52.76 a 2.50 2531.49
1971 10.50 6.50 10.00 73.00 268.50 292.00 599.50 660.00 322.00 150.00 1.50 0.00 2393.50
1972 3.00 12.00 72.00 41.00 327.00 405.50 647.50 656.50 331.50 149.50 23.50 18.00 2687.00
1973 5.50 20.00 9.00 92.50 319.50 398.00 599.00 470.00 421.00 109.53 a 8.00 1.00 2453.03
1974 6.50 0.00 40.50 70.50 178.00 451.55 a 535.50 587.50 553.45 a 181.50 18.00 5.50 2628.50
1975 8.00 5.00 5.50 21.50 249.50 372.41 a 585.50 454.00 507.50 134.50 27.00 20.50 2390.91
1976 7.00 0.00 11.50 88.27 d 237.48 c 310.34 a 547.00 492.68 c 454.14 a 156.55 a 65.19 d 0.00 a 2370.16
1977 1.00 19.00 7.23 a 140.89 b 140.00 453.50 531.28 b 702.15 a 332.68 b 176.70 a 15.00 a 17.05 a 2536.48
1978 0.00 14.50 79.00 70.00 198.00 499.00 603.00 567.50 342.00 262.00 15.58 d 0.00 2650.58
1979 0.00 1.50 81.00 118.00 303.00 426.43 b 628.00 565.00 485.69 a 237.00 21.50 7.00 2874.12
1980 0.00 9.00 7.00 159.83 a 219.50 306.72 a 597.00 491.87 a 405.00 c 196.50 50.00 34.50 2476.92
1981 5.50 26.50 23.00 132.00 233.50 351.50 559.50 695.00 443.79 a 128.00 21.00 5.00 2624.29
1982 0.00 22.00 16.50 48.50 245.00 466.50 533.00 587.00 418.50 172.00 9.00 9.00 2527.00
1983 5.00 22.50 42.50 128.00 341.50 0.00 z 498.00 585.00 341.00 138.50 37.00 0.00 2139.00
1984 16.50 2.50 0.00 z 38.00 186.50 334.00 565.50 543.00 0.00 z 115.00 7.50 0.00 a 1808.50
1985 0.00 1.00 5.00 132.50 236.50 418.50 712.50 554.50 319.00 136.00 21.43 b 0.00 2536.93
1986 4.50 44.50 97.00 70.50 267.50 506.38 a 470.00 379.00 n 30.00 x 204.00 26.00 0.00 z 1690.38
1987 0.00 8.00 45.00 206.00 347.00 508.00 527.00 616.00 470.00 286.50 41.90 a 0.50 3055.90
1988 1.00 33.00 20.00 132.00 246.00 404.00 594.50 548.00 450.00 301.00 24.00 2.00 2755.50
1989 5.50 0.00 12.50 240.00 275.50 489.50 497.50 509.00 481.00 167.00 47.50 7.50 2732.50
1990 6.00 26.00 79.50 181.00 232.50 437.00 640.00 638.00 535.00 123.00 43.00 0.00 2941.00
1991 5.00 51.50 21.50 91.00 160.50 311.50 629.00 594.00 547.00 257.00 37.00 1.50 2706.50
1992 24.50 50.50 127.00 196.50 454.00 529.50 640.00 668.00 400.00 223.50 17.50 0.00 3331.00
1993 9.50 9.00 59.50 97.00 388.50 387.00 451.50 605.00 496.50 282.50 4.50 10.00 2800.50
1994 5.50 4.50 94.00 151.00 355.00 373.50 651.50 609.50 521.00 166.37 a 3.10 a 17.50 2952.47
1995 18.00 48.00 56.50 106.50 347.50 429.50 646.50 537.50 519.00 179.00 105.50 8.00 3001.50
1996 5.17 a 27.00 50.50 151.00 190.50 412.50 698.50 623.50 361.50 183.50 17.00 2.50 2723.17
1997 8.50 7.50 38.00 88.50 435.50 409.50 610.50 703.00 507.00 151.50 65.00 0.00 3024.50
1998 13.00 13.00 90.50 145.50 227.50 453.50 707.50 665.50 513.00 179.50 31.00 14.00 3053.50
1999 2.50 1.04 a 24.80 a 119.50 206.15 a 369.83 a 393.50 i 267.50 r 491.25 b 215.89 c 0.00 z 4.59 d 1435.55
2000 0.00 i 4.00 f 5.50 h 128.50 h 165.50 l 501.60 e 438.00 i 437.00 g 288.50 j 184.81 e 7.00 f 0.00 f 686.41
2001 0.00 e 1.75 d 56.46 c 75.00 g 56.00 v 230.50 l 460.00 f 496.00 f 455.77 d 127.00 g 37.50 d 2.38 e 553.87
2002 7.00 14.50 11.00 124.00 214.00 430.00 c 441.50 i 591.00 328.00 i 204.00 30.00 6.00 1631.50
2003 23.50 4.00 30.00 g 81.00 195.00 l 295.50 m 179.00 x 655.50 503.50 280.00 16.07 b 0.00 1563.57
2004 3.00 5.50 0.00 z 228.33 c 304.00 484.00 698.50 668.50 395.50 205.24 b 7.50 d 6.00 g 3000.07
2005 24.00 11.50 84.70 c 105.00 331.50 369.60 e 500.50 g 366.50 o 184.00 o 180.50 3.00 10.00 1119.80
2006 4.50 2.00 22.00 148.50 0.00 z 504.50 667.00 481.00 g 340.00 h 116.50 f 36.60 e 1.15 d 1386.25
2007 0.00 g 4.00 f 79.29 e 103.80 e 221.00 f 255.50 l 665.50 458.00 h 397.00 67.00 l 12.00 h 9.50 h 1245.59
2008 0.00 5.00 i 0.50 i 50.50 f 0.00 z 389.42 d 0.00 z 653.50 475.00 0.00 z 59.00 3.32 c 1580.24
2009 3.00 0.00 7.50 113.00 316.50 472.50 734.70 a 629.50 490.50 127.00 14.50 0.00 2908.70
2010 4.50 12.50 53.50 77.50 182.00 351.50 595.00 588.00 433.50 202.00 52.00 14.50 2566.50
2011 16.53 a 1.00 15.50 b 31.03 a 140.00 380.56 c 516.50 620.00 d 536.90 a 0.00 z 3.10 a 3.74 b 2264.86
2012 0.53 b 3.48 d 14.00 h 139.00 252.43 c 366.43 b 597.35 e 458.00 i 470.40 e 146.00 60.00 a 0.00 2035.62
2013 0.00 3.50 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 0.00 z 3.50
Period of Record Statistics
MEAN 5.69 13.14 35.63 105.44 258.38 408.41 580.95 575.56 428.20 175.32 27.92 5.76 2611.70
S.D. 6.80 16.39 30.83 49.06 75.70 68.98 73.65 73.54 71.95 52.19 20.98 7.36 280.51
SKEW 1.48 1.82 0.93 0.45 0.48 0.05 -0.05 0.20 -0.03 0.46 1.03 1.81 0.38
MAX 25.00 77.50 127.00 240.00 454.00 529.50 734.70 743.50 553.45 301.00 105.50 34.50 3331.00
MIN 0.00 0.00 1.50 18.50 119.50 274.50 437.00 445.50 311.50 37.50 1.50 0.00 2037.72
NO YRS 63 62 58 61 58 60 58 57 59 60 62 61 49