SILVER CREEK FALLS, OREGON

Monthly Total Growing Degree Days

(357809)

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
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 57.00 57.00
1939 2.50 z 8.00 156.50 308.50 415.50 452.00 696.43 b 721.50 538.00 321.50 149.00 158.50 3925.43
1940 72.00 91.00 206.00 277.50 502.50 605.00 692.00 731.00 580.50 389.50 62.50 103.50 4313.00
1941 86.50 101.50 232.50 269.50 401.50 507.00 759.00 669.00 426.50 284.00 189.50 89.90 a 4016.40
1942 31.50 30.50 75.50 220.00 332.50 450.50 729.00 709.50 531.00 330.50 96.50 54.00 3591.00
1943 10.33 a 50.50 86.50 268.50 285.50 427.50 610.50 564.50 567.50 321.00 112.00 35.00 3339.33
1944 39.50 18.50 90.00 170.50 363.50 487.00 667.50 650.50 605.00 424.50 93.00 32.50 3642.00
1945 67.00 66.00 49.00 144.50 410.50 473.00 673.00 680.00 463.00 276.00 77.00 82.50 3461.50
1946 26.50 39.00 68.50 170.50 424.00 437.50 659.00 644.50 443.50 159.00 49.50 62.00 3183.50
1947 20.50 88.00 156.50 243.00 454.00 444.00 616.50 557.00 520.50 330.50 106.00 43.50 3580.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 617.50 608.50 474.50 256.00 29.00 7.48 b 1992.98
1949 0.00 28.00 81.24 b 178.97 a 299.15 a 365.00 0.00 z 615.00 467.68 b 116.25 a 214.00 22.50 2387.79
1950 0.00 z 33.38 b 59.93 a 153.00 0.00 z 541.00 705.50 710.00 517.50 288.00 126.50 178.77 a 3313.58
1951 38.50 58.00 33.00 262.00 377.68 a 575.17 a 655.00 594.00 536.50 225.27 a 41.50 0.00 3396.62
1952 0.00 z 33.00 l 65.62 a 244.66 a 357.00 448.50 663.00 649.40 b 550.50 384.50 39.50 37.00 3439.67
1953 132.27 a 43.00 62.50 173.28 a 313.00 376.00 647.50 676.00 577.50 355.00 188.50 67.00 3611.54
1954 33.00 71.00 40.50 176.50 397.00 413.00 545.00 573.50 469.66 a 283.50 225.00 44.00 3271.66
1955 14.50 13.50 37.00 66.50 273.83 a 502.50 559.50 624.50 538.50 323.00 139.00 48.50 3140.83
1956 56.50 2.00 69.23 a 233.50 455.50 442.24 a 728.00 663.50 536.50 249.00 69.50 63.50 3568.97
1957 0.00 70.50 126.00 252.00 444.50 512.00 608.50 581.50 668.00 299.50 65.50 72.50 3700.50
1958 75.50 201.00 69.50 207.00 518.00 622.00 798.50 779.00 541.50 374.00 180.50 141.00 4507.50
1959 94.00 40.00 105.50 223.50 322.00 499.00 685.00 594.50 415.00 297.50 88.00 24.50 3388.50
1960 33.00 49.00 139.50 226.50 303.00 538.00 737.00 634.50 535.00 361.50 103.00 34.50 3694.50
1961 109.00 112.50 123.50 199.50 359.00 619.50 723.00 799.50 451.00 298.00 69.50 56.50 3920.50
1962 57.00 80.00 56.50 266.50 271.00 502.00 678.00 660.00 567.00 319.50 169.20 e 53.00 k 3626.70
1963 7.00 j 116.00 j 93.00 e 136.00 430.00 488.00 582.50 695.00 675.52 a 355.00 139.50 46.50 3641.02
1964 40.50 36.50 79.00 145.50 305.50 480.00 680.00 635.50 485.50 378.50 64.14 a 65.00 3395.64
1965 33.00 47.50 133.50 259.50 301.50 493.00 758.50 704.00 476.79 b 425.00 159.50 43.73 c 3835.52
1966 9.00 17.00 128.65 a 279.31 a 427.00 512.59 a 657.72 a 681.50 602.00 349.00 149.50 71.50 3884.76
1967 55.00 50.00 68.00 90.00 385.00 666.00 764.67 a 887.00 691.00 330.00 144.83 a 39.27 a 4170.76
1968 63.03 a 169.50 213.50 180.50 404.50 561.50 735.00 683.00 574.50 304.83 a 145.50 47.50 4082.87
1969 25.00 9.15 b 152.33 b 215.69 a 526.48 a 661.50 677.00 659.50 562.50 253.00 121.00 67.50 3930.65
1970 92.48 a 125.46 b 126.14 b 117.93 a 424.24 d 643.89 c 743.50 716.00 415.00 285.50 145.71 b 26.87 a 3862.72
1971 67.88 b 36.96 c 52.50 192.32 b 445.00 450.50 736.50 752.50 342.00 f 300.00 72.50 9.50 3116.16
1972 32.00 82.70 b 204.50 121.00 467.07 a 543.00 781.00 750.09 c 410.17 a 279.52 a 82.50 78.03 b 3831.58
1973 35.81 b 32.00 g 68.89 d 166.00 g 423.27 e 531.35 d 683.72 d 577.93 c 536.50 285.72 a 69.00 61.50 3273.68
1974 45.00 6.22 a 141.00 163.85 d 338.79 c 571.00 626.31 d 678.38 a 632.88 d 324.00 128.79 a 65.50 3721.73
1975 82.31 b 49.28 c 47.00 61.11 c 367.35 a 482.68 b 678.50 570.83 b 571.03 a 272.91 c 92.59 a 76.97 b 3352.55
1976 47.50 19.16 a 61.48 a 170.36 b 366.66 b 298.50 h 642.22 a 609.48 c 426.00 g 221.50 g 128.00 k 19.50 f 1916.86
1977 23.80 c 77.58 d 44.43 a 276.60 e 251.88 c 573.33 c 641.81 d 818.00 288.50 j 262.93 d 62.00 g 110.71 c 3081.08
1978 67.00 83.50 157.00 f 146.00 f 230.00 g 289.00 p 289.50 q 641.00 470.89 b 350.82 a 35.50 f 18.50 o 1613.21
1979 4.00 h 39.85 b 166.50 173.00 h 0.00 z 364.00 j 535.00 f 493.50 f 135.50 w 368.56 d 61.00 j 149.83 d 724.74
1980 12.50 j 64.00 i 70.35 e 220.00 f 332.14 c 345.50 f 683.19 e 601.06 d 404.00 i 349.00 i 168.00 i 71.00 g 1686.74
1981 70.30 c 91.00 b 77.00 i 216.11 c 191.50 l 466.20 e 483.00 g 739.41 d 407.50 i 249.00 g 85.50 l 56.00 q 1583.02
1982 37.50 h 102.85 b 90.50 k 93.50 q 254.00 n 613.45 a 529.50 h 0.00 z 633.10 a 470.88 b 74.50 8.50 k 1894.78
1983 85.00 97.50 167.00 198.00 468.00 481.50 610.50 678.50 457.00 316.50 144.50 30.48 a 3734.48
1984 74.50 82.00 179.50 142.76 a 313.10 a 429.50 663.00 677.00 522.00 249.00 53.50 n 5.00 3337.36
1985 5.00 19.00 46.00 263.00 367.00 543.00 815.00 679.00 430.00 259.00 44.00 0.50 3470.50
1986 57.00 m 99.00 244.00 182.00 401.50 610.00 598.00 495.00 k 286.50 j 332.50 82.00 2.50 2551.50
1987 17.00 62.00 115.22 a 316.00 425.00 624.00 605.50 686.50 544.00 374.50 42.50 n 38.50 3808.22
1988 13.00 59.00 66.00 201.00 296.50 473.50 655.50 643.00 522.50 364.50 91.50 28.50 3414.50
1989 11.00 k 10.00 86.50 309.00 353.50 531.00 585.00 600.00 548.50 114.00 m 100.00 44.50 3168.00
1990 58.50 13.50 77.50 k 181.00 j 298.24 b 226.50 o 775.50 732.00 597.50 203.50 92.50 13.00 2784.24
1991 37.50 143.50 51.00 145.00 275.00 424.50 750.00 732.00 600.50 347.50 158.50 43.50 3708.50
1992 59.00 148.50 202.00 242.50 f 281.00 o 288.00 q 321.00 r 493.50 j 275.00 k 329.50 94.50 4.50 i 833.50
1993 12.00 34.50 92.50 j 161.00 332.00 j 477.00 557.50 680.00 561.00 341.00 9.50 30.00 2863.50
1994 62.00 26.50 93.00 j 232.50 441.50 462.00 748.00 441.00 j 573.00 227.00 15.00 58.50 2846.00
1995 16.50 w 110.92 b 89.50 170.50 438.00 523.00 759.50 616.00 587.00 228.50 201.21 a 23.00 m 3724.13
1996 41.50 60.00 102.00 117.50 k 299.50 507.00 807.50 746.50 453.50 267.00 68.28 a 32.60 b 3385.38
1997 41.00 36.50 88.00 164.50 519.50 509.00 703.00 753.50 567.00 263.50 161.50 8.00 3815.00
1998 74.50 68.00 98.00 133.50 322.00 493.00 778.50 704.00 592.00 194.00 69.50 26.00 3553.00
1999 22.65 e 16.00 52.59 c 182.50 269.38 b 463.85 d 668.80 d 720.46 d 529.44 c 286.46 d 163.89 c 12.00 j 3376.02
2000 2.98 e 41.08 e 44.84 c 166.50 l 360.93 c 552.50 659.04 d 671.31 b 521.11 c 252.43 c 36.60 e 1.50 h 3142.82
2001 22.70 c 8.00 133.00 129.50 446.50 453.00 665.98 a 674.50 548.00 244.00 131.00 13.50 3469.68
2002 31.00 41.00 45.50 197.50 298.00 529.00 731.00 714.00 566.00 283.50 150.00 61.00 3647.50
2003 149.50 48.00 164.50 170.50 412.00 631.50 829.00 802.50 641.00 432.00 110.50 0.00 z 4391.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2005 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 167.50 i 29.50 63.00 92.50
2006 35.50 0.00 z 42.50 169.50 0.00 z 0.00 z 729.50 659.00 372.00 f 205.00 97.50 28.50 1967.00
2007 13.00 46.50 116.25 e 153.00 340.00 312.00 h 725.50 622.50 450.00 198.50 0.00 z 0.00 z 2665.25
2008 1.50 17.50 20.00 67.00 345.50 406.00 684.50 653.00 493.00 223.50 138.00 11.00 3060.50
2009 19.50 12.00 23.00 131.50 374.00 526.50 770.50 686.00 545.50 216.00 50.00 28.50 3383.00
2010 64.50 55.00 57.50 117.50 229.00 404.00 656.00 650.00 495.50 269.50 93.50 45.50 3137.50
2011 50.00 16.00 39.50 39.00 189.50 419.50 564.50 649.00 586.00 267.00 30.00 18.00 2868.00
2012 32.00 24.50 23.00 185.50 314.50 83.00 t 640.15 a 722.00 579.00 306.26 b 131.67 c 17.80 d 2976.37
2013 11.50 29.00 0.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 40.50
Period of Record Statistics
MEAN 45.54 56.18 97.51 189.09 369.43 507.28 685.80 675.27 536.02 299.19 105.74 50.39 3616.47
S.D. 31.88 41.66 55.98 63.25 74.67 71.77 67.63 65.16 65.91 66.13 51.06 37.85 342.20
SKEW 0.91 1.19 0.84 -0.09 0.06 0.39 -0.01 0.56 0.04 0.00 0.24 1.40 0.31
MAX 149.50 201.00 244.00 316.00 526.48 666.00 829.00 887.00 691.00 470.88 225.00 178.77 4507.50
MIN 0.00 2.00 20.00 39.00 189.50 365.00 545.00 557.00 410.17 116.25 9.50 0.00 2868.00
NO YRS 62 67 65 62 63 62 66 67 63 68 64 62 40