OREGON CITY, OREGON

Monthly Total Growing Degree Days

(356334)

Base Temperature = 40 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 790.00 778.62 a 633.00 420.50 122.00 41.85 a 2785.97
1949 0.00 75.50 222.50 403.00 623.50 672.50 791.00 819.00 693.50 253.50 283.00 88.00 4925.00
1950 15.00 135.00 180.32 a 321.50 489.00 685.00 844.75 c 905.72 a 655.00 393.50 222.00 224.50 5071.28
1951 74.50 113.00 124.50 444.00 547.50 745.50 886.08 a 818.92 a 727.76 a 449.50 199.00 45.00 5175.26
1952 38.00 93.50 164.00 419.50 570.50 633.00 917.60 a 876.00 758.50 594.00 101.38 a 91.00 5256.98
1953 251.50 129.00 204.00 333.00 496.00 574.50 843.50 863.00 710.00 476.00 272.00 128.13 a 5280.63
1954 69.50 126.00 144.50 332.00 576.50 579.00 758.00 755.50 639.83 a 433.50 328.50 97.00 4839.83
1955 57.00 62.46 b 96.00 216.00 448.00 665.50 747.50 806.50 660.50 448.98 a 184.50 98.00 4490.94
1956 99.00 27.00 174.00 429.00 648.50 605.50 915.50 816.33 a 673.50 369.00 145.00 118.00 5020.33
1957 7.50 128.50 230.00 411.00 614.50 692.59 a 813.23 a 775.50 816.50 429.00 146.50 151.26 b 5216.08
1958 146.50 280.00 199.00 365.00 720.50 811.00 1012.50 991.00 719.48 a 528.00 239.00 194.50 6206.48
1959 163.50 117.50 225.00 392.00 514.00 701.50 913.00 825.50 615.00 491.35 a 206.00 83.00 5247.35
1960 43.50 131.00 244.00 372.00 471.50 729.00 924.50 795.50 690.00 484.00 209.00 79.00 5173.00
1961 192.00 208.00 253.00 332.00 529.50 818.00 936.00 970.50 611.50 425.00 133.00 111.00 5519.50
1962 86.00 142.00 195.00 409.00 424.50 680.00 831.50 834.00 733.00 443.00 252.50 137.00 5167.50
1963 32.50 255.50 207.00 293.00 575.50 639.50 747.00 851.00 794.00 474.00 235.50 89.00 5193.50
1964 104.00 92.50 181.50 295.50 475.00 625.00 842.50 791.00 638.00 511.00 125.00 89.00 4770.00
1965 85.50 133.00 327.00 389.50 458.00 649.50 910.50 872.00 635.00 506.50 277.50 78.00 5322.00
1966 73.00 96.50 218.00 390.00 569.00 692.50 823.00 863.50 751.50 443.00 253.50 176.00 5349.50
1967 157.00 137.00 164.50 238.50 574.50 815.50 932.00 1053.50 840.00 a 463.45 a 251.50 128.50 5755.95
1968 102.50 318.00 315.50 313.50 558.00 708.00 899.52 a 826.00 705.50 409.50 228.00 51.00 5435.02
1969 16.02 a 78.00 273.50 346.00 665.50 817.00 859.22 a 820.50 709.50 412.00 204.31 a 123.00 5324.54
1970 121.00 220.50 255.00 256.00 565.50 808.00 906.23 a 893.00 623.00 424.50 237.93 a 67.00 5377.66
1971 111.00 109.00 155.00 319.50 577.00 592.00 909.50 970.00 620.00 374.50 168.00 41.00 4946.50
1972 69.00 156.00 293.50 240.00 637.00 705.50 957.50 966.50 628.50 421.50 254.00 130.00 5459.00
1973 74.50 177.50 222.50 368.00 628.50 698.00 909.00 780.00 721.00 411.27 a 127.00 142.00 5259.27
1974 114.50 83.50 245.00 344.00 475.00 751.55 a 845.50 897.50 853.45 a 485.50 226.00 141.50 5463.00
1975 116.00 82.50 143.50 230.00 549.00 672.41 a 895.50 764.00 807.50 418.00 166.50 145.50 4990.41
1976 128.50 88.00 166.50 331.73 d 544.16 c 609.83 a 857.00 802.68 c 754.14 a 449.50 a 267.12 d 47.02 a 5046.17
1977 62.00 179.00 207.70 a 410.36 b 444.50 753.50 841.28 b 1012.15 a 632.68 b 482.05 a 186.72 a 142.60 a 5354.54
1978 116.00 216.00 332.50 338.00 508.00 799.00 913.00 877.50 642.00 560.00 135.00 d 46.00 5483.00
1979 13.00 107.50 344.00 384.00 613.00 726.43 b 938.00 875.00 785.69 a 541.50 153.00 166.00 5647.12
1980 37.50 152.00 192.00 426.72 a 529.50 606.72 a 907.00 801.87 a 705.00 c 495.00 245.50 163.50 5262.31
1981 134.50 166.50 283.50 391.00 539.00 651.50 869.50 1005.00 743.79 a 433.50 241.50 120.00 5579.29
1982 81.00 126.50 214.50 253.50 553.50 766.50 843.00 897.00 718.50 473.50 151.00 104.00 5182.50
1983 168.50 227.00 330.00 386.00 645.00 0.00 z 808.00 895.00 641.00 444.50 257.50 53.50 4856.00
1984 163.50 166.50 0.00 z 292.00 493.50 634.00 875.50 853.00 0.00 z 359.00 177.50 28.93 a 4043.43
1985 14.00 84.50 148.00 393.50 536.50 718.50 1022.50 864.50 619.00 420.50 104.46 b 17.50 4943.46
1986 163.00 169.00 393.00 325.00 567.50 806.38 a 780.00 549.00 n 90.00 x 513.00 236.50 0.00 z 3953.38
1987 90.50 193.50 295.50 496.50 657.00 808.00 837.00 926.00 770.00 596.50 262.76 a 91.00 6024.26
1988 56.50 199.50 247.50 411.00 547.50 704.00 904.50 858.00 750.00 610.50 233.00 87.50 5609.50
1989 121.50 63.50 223.00 528.00 585.50 789.50 807.50 819.00 781.00 472.00 269.50 92.00 5552.00
1990 136.50 141.00 331.00 478.00 542.50 737.00 950.00 948.00 835.00 428.00 254.00 59.00 5840.00
1991 101.00 293.00 225.50 347.00 467.00 611.50 939.00 904.00 847.00 517.50 233.50 112.00 5598.00
1992 182.50 290.50 433.50 477.50 764.00 829.50 950.00 978.00 700.00 526.50 215.00 45.50 6392.50
1993 70.00 110.50 333.00 392.00 697.50 687.00 761.50 915.00 796.50 592.50 99.50 114.00 5569.00
1994 171.00 90.00 352.00 442.50 665.00 673.50 961.50 919.50 821.00 472.75 a 89.48 a 141.00 5799.23
1995 189.00 259.00 298.00 379.00 657.50 729.50 956.50 847.50 819.00 483.50 377.00 125.50 6121.00
1996 131.23 a 176.00 296.50 431.00 495.50 712.50 1008.50 933.50 661.50 465.50 188.50 99.00 5599.23
1997 104.50 159.50 246.00 369.00 745.50 709.50 920.50 1013.00 807.00 458.00 329.00 72.50 5934.00
1998 178.50 211.50 330.50 431.00 535.00 753.50 1017.50 975.50 813.00 471.00 263.50 136.50 6117.00
1999 123.50 124.44 a 222.17 a 372.50 498.07 a 669.83 a 613.50 i 397.50 r 791.25 b 522.57 c 0.00 z 163.04 d 3487.36
2000 45.50 i 132.50 f 151.50 h 343.00 h 355.50 l 801.60 e 658.00 i 677.00 g 488.50 j 491.83 e 109.50 f 66.50 f 1293.43
2001 112.67 e 117.25 d 305.02 c 262.50 g 145.00 v 410.50 l 710.00 f 746.00 f 755.77 d 350.00 g 260.19 d 98.37 e 1649.27
2002 89.50 174.50 184.50 409.50 517.50 730.00 c 661.50 i 901.00 538.00 i 486.00 252.50 124.50 3869.50
2003 203.50 167.00 215.00 g 338.50 381.00 l 465.50 m 249.00 x 965.50 803.50 575.50 175.71 b 92.00 3321.21
2004 85.00 200.00 0.00 z 525.00 c 614.00 784.00 1008.50 978.50 695.50 499.21 b 162.69 d 121.50 g 5552.40
2005 151.00 132.00 360.38 c 376.50 641.50 669.60 e 740.50 g 526.50 o 334.00 o 488.00 148.00 101.50 3068.48
2006 163.00 128.50 212.00 431.50 0.00 z 804.50 977.00 721.00 g 560.00 h 337.00 f 225.00 e 67.74 d 3009.24
2007 43.00 g 119.50 f 342.19 e 364.80 e 469.00 f 435.50 l 975.50 688.00 h 697.00 251.00 l 115.50 h 61.50 h 2379.49
2008 42.00 93.00 i 121.00 i 226.50 f 0.00 z 689.42 d 0.00 z 963.50 775.00 0.00 z 281.00 74.18 c 2825.10
2009 68.50 88.00 170.50 382.00 623.50 772.50 1044.70 a 939.50 790.50 422.00 210.50 61.00 5573.20
2010 201.50 214.00 294.50 338.00 482.50 651.50 905.00 898.00 733.50 505.00 203.50 145.00 5572.00
2011 131.75 a 66.00 212.19 b 265.34 a 446.50 680.56 c 826.50 930.00 d 836.90 a 0.00 z 136.55 a 41.16 b 4573.44
2012 104.22 b 146.74 d 142.50 h 409.50 556.89 c 666.43 b 907.35 e 678.00 i 770.40 e 381.00 263.79 a 87.00 4293.32
2013 49.50 129.00 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 178.50
Period of Record Statistics
MEAN 104.13 149.44 244.56 369.34 563.72 708.41 890.95 885.56 728.07 467.18 211.10 101.78 5408.90
S.D. 56.12 62.92 73.08 69.14 78.27 69.00 73.65 73.54 72.11 63.82 61.48 43.15 389.78
SKEW 0.19 0.71 0.34 -0.10 0.46 0.05 -0.05 0.20 -0.03 -0.17 0.00 0.34 0.34
MAX 251.50 318.00 433.50 528.00 764.00 829.50 1044.70 1053.50 853.45 610.50 377.00 224.50 6392.50
MIN 0.00 27.00 96.00 216.00 424.50 574.50 747.00 755.50 611.50 253.50 89.48 17.50 4490.94
NO YRS 63 62 58 61 58 60 58 57 59 60 62 61 49