COTTAGE GROVE DAM, OREGON

Monthly Total Growing Degree Days

(351902)

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
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 157.00 y 756.00 749.00 475.00 215.00 53.50 2248.50
1944 64.00 64.50 152.00 257.00 451.50 579.50 810.50 767.50 721.50 535.50 119.50 36.50 4559.50
1945 105.50 90.00 78.50 211.00 498.00 594.50 828.00 811.50 593.00 395.50 141.00 95.50 4442.00
1946 38.00 53.50 129.50 285.00 499.00 592.00 806.00 794.50 629.50 242.50 105.00 100.50 4275.00
1947 33.50 121.00 250.00 377.50 581.50 587.59 a 784.00 761.50 647.50 449.50 184.00 31.00 4808.59
1948 27.50 31.00 105.00 183.00 448.00 711.00 753.82 a 732.00 615.00 a 425.22 a 44.50 16.00 4092.03
1949 0.00 a 76.00 166.00 291.00 548.70 a 633.10 a 765.50 792.00 694.00 274.00 281.50 30.50 4552.30
1950 6.50 92.00 85.00 212.00 410.00 588.00 766.50 872.81 b 717.41 a 422.50 231.50 215.00 4619.22
1951 69.50 90.00 130.50 411.50 498.50 687.50 826.50 772.00 681.50 320.00 148.00 49.50 4685.00
1952 25.50 92.50 99.50 308.50 471.50 534.00 799.00 801.50 711.00 523.50 79.50 87.00 4533.00
1953 193.50 102.00 131.50 271.00 359.00 450.50 764.50 779.50 673.50 427.50 300.50 110.00 4563.00
1954 83.50 138.50 118.00 297.50 470.00 496.50 664.50 645.00 556.50 359.50 278.00 74.00 4181.50
1955 36.50 47.50 84.50 136.00 381.50 602.50 671.00 735.00 597.00 411.50 193.50 124.50 4021.00
1956 90.00 26.00 162.00 284.50 505.00 540.00 810.50 762.50 662.00 350.82 a 130.00 101.00 4424.32
1957 5.50 98.50 206.50 327.50 516.50 635.00 729.00 714.00 706.00 373.50 81.00 106.50 4499.50
1958 107.00 213.50 116.50 265.00 620.50 669.50 905.50 911.00 637.50 464.00 234.50 207.00 5351.50
1959 147.50 60.00 169.00 324.50 386.00 625.50 828.50 787.50 566.50 434.50 153.50 64.00 4547.00
1960 71.50 86.00 234.00 290.00 392.00 641.00 846.50 725.50 618.00 402.50 142.00 62.50 4511.50
1961 125.00 160.50 151.50 276.00 443.00 700.00 808.50 892.00 531.50 347.50 96.50 80.50 4612.50
1962 48.50 106.00 125.00 356.00 351.50 591.00 763.50 758.00 673.50 385.00 219.00 101.50 4478.50
1963 14.50 239.00 141.00 185.50 443.50 557.50 651.50 760.00 739.00 437.50 192.00 83.50 4444.50
1964 58.00 44.00 97.50 190.50 340.00 543.50 744.00 720.00 548.00 438.00 111.00 121.00 3955.50
1965 70.50 108.00 166.00 301.00 355.00 534.50 800.00 791.00 542.00 466.50 220.50 63.00 4418.00
1966 51.00 34.00 164.50 324.00 432.00 598.00 738.50 758.50 653.00 374.00 172.50 106.50 4406.50
1967 97.00 87.50 131.00 140.00 438.50 666.50 840.50 934.50 728.00 396.50 192.50 73.50 4726.00
1968 88.50 210.00 220.50 220.00 422.50 606.00 799.00 750.00 618.00 363.50 185.00 68.50 4551.50
1969 62.50 24.50 160.00 251.00 537.50 659.00 724.50 716.00 627.00 320.50 166.00 102.00 4350.50
1970 130.50 135.50 171.00 146.00 426.50 679.50 815.50 775.00 513.00 342.00 175.00 51.00 4360.50
1971 71.00 75.00 84.50 212.00 441.50 523.50 780.50 856.50 538.00 280.50 98.00 20.50 3981.50
1972 56.00 138.00 250.00 176.00 471.50 600.00 861.00 852.00 542.50 341.50 169.50 98.50 4556.50
1973 51.50 118.50 100.50 267.50 508.50 611.50 797.00 712.00 638.00 369.50 115.00 129.50 4419.00
1974 83.00 32.00 164.82 a 235.50 384.50 614.50 766.00 821.50 751.00 389.00 169.00 101.00 4511.82
1975 122.50 71.50 80.00 122.00 410.00 565.50 793.50 688.50 683.00 378.00 106.00 120.00 4140.50
1976 60.00 74.00 105.50 193.50 442.50 495.00 763.00 731.50 669.50 433.50 243.50 21.00 4232.50
1977 43.50 151.50 102.50 308.00 351.00 662.50 744.00 935.50 589.00 434.50 176.50 147.00 4645.50
1978 117.00 163.00 295.50 255.50 379.00 667.50 792.50 793.50 579.50 477.50 105.50 40.00 4666.00
1979 11.50 121.00 260.50 299.50 493.00 637.00 828.50 780.50 726.21 a 522.50 128.50 119.50 4928.21
1980 59.00 130.50 165.00 326.50 415.50 512.00 782.50 727.50 641.00 461.50 227.00 136.50 4584.50
1981 88.50 123.00 190.00 279.00 442.50 596.50 760.00 878.50 676.50 364.00 202.00 107.50 4708.00
1982 37.50 96.50 148.00 184.00 434.50 617.50 719.00 788.50 595.50 399.00 100.50 65.50 4186.00
1983 102.50 146.00 241.00 244.00 483.00 540.50 678.50 783.50 556.00 415.50 215.50 59.50 4465.50
1984 90.50 115.50 249.50 208.50 399.50 519.50 757.50 773.50 589.00 319.00 110.00 16.50 4148.50
1985 14.50 44.00 81.50 361.00 430.00 609.50 872.00 733.50 491.50 337.00 84.00 13.50 4072.00
1986 78.00 136.89 a 292.50 201.50 420.50 686.00 660.00 882.00 519.00 425.50 191.00 31.00 4523.89
1987 63.50 93.50 182.50 361.00 516.00 650.00 688.50 750.00 620.00 488.50 192.50 68.50 4674.50
1988 43.00 114.50 141.50 297.50 366.50 518.50 748.00 697.50 558.00 452.00 104.50 29.00 4070.50
1989 27.50 14.00 86.00 325.00 338.00 526.00 598.50 601.00 567.00 297.00 86.50 36.00 3502.50
1990 50.50 66.00 248.00 375.00 415.50 585.50 859.00 826.00 714.00 347.50 141.00 19.50 4647.50
1991 51.00 225.50 106.00 208.50 350.50 496.50 808.50 812.00 707.00 448.50 207.00 47.00 4468.00
1992 112.50 213.00 301.00 393.00 586.00 699.00 796.50 831.00 625.00 439.50 165.50 17.50 5179.50
1993 33.00 41.50 263.50 263.00 530.50 545.50 628.50 735.50 668.50 488.50 46.00 77.00 4321.00
1994 83.50 49.50 240.00 316.50 496.50 532.00 841.50 778.00 715.50 358.00 45.00 118.50 4574.50
1995 115.00 208.50 183.50 242.50 482.00 567.50 809.00 725.50 711.50 391.00 289.50 111.00 4836.50
1996 57.50 k 155.00 192.50 320.50 385.00 572.50 879.50 829.50 578.50 383.00 188.50 72.33 a 4556.83
1997 96.50 71.50 191.00 259.50 582.50 563.50 777.00 840.00 672.50 356.00 192.50 19.50 4622.00
1998 133.50 118.00 189.50 264.00 370.00 580.00 847.50 825.50 706.50 374.00 177.00 86.50 4672.00
1999 77.50 c 70.00 91.89 c 223.45 a 338.00 535.86 a 744.50 812.09 c 628.97 a 391.12 a 231.21 a 62.52 a 4207.10
2000 21.70 a 102.50 100.23 a 320.00 458.00 633.50 744.50 765.91 b 654.44 c 408.34 b 84.64 b 35.81 b 4329.59
2001 44.50 56.00 d 184.89 c 205.96 d 510.95 c 530.50 742.50 807.50 654.81 d 372.55 c 182.88 d 28.50 i 4293.05
2002 62.50 99.00 106.50 273.50 381.00 608.08 d 821.00 784.00 652.50 340.00 162.00 93.00 4383.08
2003 155.50 68.00 240.00 219.50 357.00 g 645.50 877.50 839.50 547.50 g 520.91 c 118.20 e 60.50 h 3684.61
2004 76.00 f 107.00 278.43 d 321.92 d 490.50 613.00 840.00 861.00 571.00 324.50 g 100.50 f 77.50 g 4082.85
2005 96.00 f 81.08 d 199.00 f 211.50 g 427.00 f 511.50 825.50 626.00 h 440.50 h 336.00 g 91.50 h 63.50 m 1418.08
2006 77.00 f 66.50 i 75.50 q 158.00 n 388.00 h 397.50 k 627.00 h 467.50 k 282.50 q 340.45 c 84.50 w 0.00 z 340.45
2007 35.00 n 93.50 271.50 269.50 431.02 e 576.72 a 853.50 762.50 588.75 b 326.00 118.50 74.83 b 4366.32
2008 13.50 m 62.50 h 0.00 z 0.00 z 482.80 d 526.50 0.00 z 826.50 669.00 e 348.75 c 202.50 37.41 b 3093.46
2009 47.00 89.50 94.00 177.50 i 488.50 638.00 891.00 834.50 705.00 a 343.07 a 128.50 46.00 4305.07
2010 142.00 145.00 178.50 231.21 a 367.00 529.00 792.00 804.50 661.50 407.50 184.50 75.50 k 4442.71
2011 136.52 e 62.22 a 177.00 203.79 a 314.50 538.00 687.50 794.50 740.50 409.50 137.50 30.50 4232.03
2012 74.50 73.50 107.00 306.72 a 406.50 525.00 b 736.00 838.00 657.00 435.07 b 244.50 68.00 4471.79
2013 38.00 70.50 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 108.50
Period of Record Statistics
MEAN 71.04 100.83 165.34 264.59 442.76 588.37 779.68 786.72 638.24 396.66 162.16 74.89 4456.47
S.D. 41.35 51.29 63.59 65.27 68.78 59.62 64.95 62.33 66.17 61.92 60.06 43.21 293.94
SKEW 0.56 0.80 0.47 -0.03 0.36 0.11 -0.55 -0.01 -0.23 0.09 0.14 0.86 -0.06
MAX 193.50 239.00 301.00 411.50 620.50 711.00 905.50 935.50 751.00 535.50 300.50 215.00 5351.50
MIN 0.00 14.00 78.50 122.00 314.50 450.50 598.50 601.00 491.50 242.50 44.50 13.50 3502.50
NO YRS 64 68 66 65 66 68 67 68 67 68 67 64 59