CORVALLIS WATER BUREAU, OREGON

Monthly Total Growing Degree Days

(351877)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1952 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1955 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1956 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1960 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1961 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1963 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 581.54 d 640.00 779.50 756.50 413.50 169.00 61.00 3401.04
1964 50.00 58.50 111.00 229.00 326.50 552.50 793.08 a 750.00 586.50 451.57 a 101.50 99.20 a 4109.35
1965 35.98 c 93.00 233.00 334.00 378.20 a 576.50 813.50 799.50 617.50 472.50 226.50 60.45 a 4640.63
1966 38.50 39.50 172.50 333.50 471.50 608.79 a 750.50 830.50 683.50 385.50 184.50 102.00 4600.79
1967 80.00 83.50 92.50 172.00 452.00 675.00 877.50 973.00 793.50 406.50 209.50 73.00 4888.00
1968 87.50 198.50 272.28 a 233.50 398.50 583.97 a 771.50 705.00 607.00 341.00 168.00 34.10 a 4400.85
1969 40.50 14.00 200.00 264.50 547.50 689.00 714.00 725.00 631.00 308.00 174.00 103.69 b 4411.19
1970 127.21 b 121.00 175.15 a 182.50 443.50 692.50 772.00 753.50 538.50 339.00 145.50 24.50 4314.86
1971 58.50 57.50 73.00 193.00 415.50 475.50 758.00 821.50 530.00 299.50 89.50 16.00 3787.50
1972 52.00 111.50 231.50 129.50 496.00 598.00 859.00 863.00 561.50 370.00 151.50 105.50 4529.00
1973 38.00 109.50 121.50 279.50 477.00 635.17 a 743.00 652.50 606.50 326.50 83.00 93.00 4165.17
1974 82.00 24.50 158.00 166.50 f 354.50 618.50 722.00 812.50 762.00 422.24 b 162.00 118.00 4236.24
1975 132.78 a 61.00 83.50 142.00 448.50 553.50 761.50 687.50 701.00 343.07 a 122.00 120.00 4156.35
1976 54.50 48.00 90.00 198.00 427.00 495.50 734.00 714.50 672.00 416.00 198.10 a 18.50 4066.10
1977 37.00 126.00 100.00 299.00 318.27 a 619.00 704.00 867.50 549.00 401.00 146.50 112.50 4279.77
1978 73.00 138.00 257.00 265.50 390.60 a 660.50 772.00 762.00 551.50 451.00 94.00 42.50 4457.60
1979 6.00 74.50 239.50 271.00 501.50 626.00 793.00 735.50 673.00 501.50 114.00 103.50 4639.00
1980 36.00 99.50 133.00 308.00 411.00 488.00 759.00 674.00 624.50 417.50 167.50 125.50 4243.50
1981 55.00 104.00 168.00 264.50 401.00 531.00 731.00 839.00 621.50 332.50 164.50 99.00 4311.00
1982 30.50 88.50 116.50 155.50 448.50 646.00 704.00 753.50 601.00 350.50 59.00 50.00 4003.50
1983 83.00 112.00 203.00 246.50 479.00 504.00 659.50 761.00 539.00 353.00 176.00 33.00 4149.00
1984 93.50 80.50 242.50 214.00 376.50 509.00 767.00 733.50 560.00 277.50 94.00 5.00 3953.00
1985 0.00 29.50 78.00 313.50 413.50 624.00 867.00 724.00 496.00 334.00 76.00 2.00 3957.50
1986 54.50 116.50 247.00 218.50 403.50 657.50 621.50 816.00 477.50 353.00 150.00 18.00 4133.50
1987 32.50 70.00 138.50 304.50 486.50 629.50 685.00 774.50 621.50 481.00 169.50 58.00 4451.00
1988 25.00 94.00 136.00 275.50 367.50 527.00 750.50 733.00 594.50 482.00 152.50 41.00 4178.50
1989 48.00 24.50 102.50 378.50 431.50 629.50 660.50 686.50 676.50 324.00 153.50 54.50 4170.00
1990 80.00 44.00 196.00 343.50 392.00 570.00 832.00 804.50 679.50 290.50 128.00 19.00 4379.00
1991 42.50 180.50 75.00 219.50 328.00 459.00 787.00 768.50 691.50 405.50 160.00 48.00 4165.00
1992 83.50 165.50 270.00 360.00 604.50 672.00 790.50 791.00 556.50 371.00 132.00 17.50 4814.00
1993 31.50 38.50 210.50 262.00 533.00 568.50 638.50 767.50 635.00 423.00 45.50 48.00 4201.50
1994 85.00 49.50 198.50 281.50 486.00 521.00 801.00 729.50 698.50 344.50 35.00 83.00 4313.00
1995 116.50 195.50 156.00 240.50 520.00 605.00 821.00 719.00 694.50 336.50 263.00 85.50 4753.00
1996 87.00 114.50 169.50 298.50 356.00 552.00 853.50 800.50 542.00 309.00 107.00 57.50 4247.00
1997 74.00 52.50 145.50 225.00 566.50 547.00 740.50 812.00 634.00 309.00 178.00 17.50 4301.50
1998 89.00 85.00 199.00 255.50 419.00 607.00 850.00 816.50 699.00 345.50 162.00 81.00 4608.50
1999 68.50 56.00 110.00 251.50 369.50 539.50 721.00 787.00 648.50 388.00 222.00 68.50 4230.00
2000 18.50 71.00 100.50 326.50 446.50 655.00 737.00 754.00 615.00 376.50 71.00 30.50 4202.00
2001 29.50 53.00 183.00 207.50 509.50 525.00 708.50 746.00 636.50 367.00 196.50 40.50 4202.50
2002 67.00 85.50 100.00 291.50 406.50 605.50 823.00 0.00 z 687.00 391.00 161.50 70.50 3689.00
2003 148.50 81.50 241.50 247.00 468.50 713.00 886.00 840.00 712.50 489.50 98.00 69.00 4995.00
2004 55.00 86.00 294.00 366.00 512.50 649.00 888.00 873.00 616.50 432.00 121.00 77.00 4970.00
2005 100.00 79.00 278.00 301.00 531.50 567.00 857.50 872.50 621.50 411.00 81.50 78.50 4779.00
2006 92.50 65.00 122.00 321.00 522.50 689.50 890.50 809.00 682.50 386.50 143.50 55.00 4779.50
2007 29.00 103.50 246.00 257.50 481.50 581.00 870.00 806.00 623.50 318.50 119.50 61.50 4497.50
2008 14.50 63.00 88.00 169.50 488.50 533.50 805.50 783.00 625.50 315.50 175.50 24.00 4086.00
2009 28.50 23.00 49.00 204.00 436.00 577.00 808.00 721.00 586.00 248.00 49.50 23.00 3753.00
2010 39.00 47.00 188.00 250.50 404.00 561.50 792.50 775.50 637.50 420.50 172.00 81.00 4369.00
2011 97.50 54.50 131.00 171.50 358.00 551.00 718.50 837.52 a 754.00 406.50 68.50 24.50 4173.02
2012 46.50 53.50 74.00 288.00 e 433.50 406.50 f 728.00 834.00 689.00 415.50 166.55 a 40.50 3769.05
2013 17.00 30.59 a 107.00 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 47.59
Period of Record Statistics
MEAN 59.84 81.10 163.27 257.18 441.60 588.49 770.63 779.08 631.97 377.08 139.17 59.49 4343.82
S.D. 33.47 43.16 66.32 60.31 66.01 62.25 69.68 60.63 69.52 58.91 50.38 33.61 295.44
SKEW 0.55 0.94 0.23 -0.09 0.21 0.00 -0.10 0.46 0.05 0.17 -0.09 0.21 0.41
MAX 148.50 198.50 294.00 378.50 604.50 713.00 890.50 973.00 793.50 501.50 263.00 125.50 4995.00
MIN 0.00 14.00 49.00 129.50 318.27 459.00 621.50 652.50 477.50 248.00 35.00 2.00 3753.00
NO YRS 50 50 49 48 49 49 50 49 50 50 50 50 46