OWYHEE DAM, OREGON

Monthly Total Growing Degree Days

(356405)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1935 0.00 z 0.00 7.00 78.50 212.50 515.17 a 717.00 685.00 550.71 b 158.00 k 0.00 a 0.00 2765.89
1936 0.00 0.00 0.52 a 219.00 393.18 a 525.00 811.00 194.00 w 422.50 222.00 0.00 0.00 2593.20
1937 0.00 g 0.00 3.50 62.50 346.00 433.50 736.50 617.00 424.50 166.50 3.00 2.50 2795.50
1938 0.00 0.00 0.50 96.00 276.42 a 527.00 702.00 622.50 509.00 136.00 0.50 0.00 2869.92
1939 0.00 0.00 48.50 155.50 429.50 423.21 b 730.05 a 703.00 440.50 176.00 2.50 13.00 3121.76
1940 0.00 9.00 56.50 99.50 388.00 614.00 746.50 726.50 435.00 157.00 7.00 0.00 3239.00
1941 0.00 0.00 a 33.50 89.00 298.50 443.00 752.00 613.50 298.00 127.00 20.50 9.00 2684.00
1942 0.00 0.00 5.00 133.50 187.00 378.00 770.50 708.50 447.50 182.50 7.50 0.00 2820.00
1943 0.00 0.00 23.00 179.50 232.50 378.00 675.00 618.50 488.50 198.00 6.00 0.00 2799.00
1944 0.00 0.00 5.50 94.50 284.00 382.00 671.00 639.50 442.00 240.00 3.50 0.00 2762.00
1945 0.00 0.00 9.50 83.00 302.50 445.00 775.00 678.50 345.00 239.50 9.50 0.50 2888.00
1946 0.00 0.00 17.00 182.00 321.00 485.50 749.50 693.00 339.00 72.00 7.00 14.00 2880.00
1947 0.00 1.00 71.00 143.50 424.00 385.50 763.50 689.50 401.00 204.00 6.50 0.00 3089.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 697.00 707.50 487.76 a 144.50 6.00 0.00 2042.76
1949 0.00 9.50 25.50 171.50 399.50 509.48 a 738.00 732.50 545.50 62.00 a 13.00 0.00 3206.48
1950 0.00 a 3.50 3.00 69.00 249.50 455.50 719.50 711.45 a 402.86 b 232.50 32.00 0.00 2878.81
1951 0.00 0.00 2.00 142.50 334.00 404.00 748.50 650.00 426.00 106.00 0.00 0.00 2813.00
1952 0.00 0.00 7.00 163.97 a 348.50 487.00 741.42 a 707.50 529.14 a 290.50 0.00 0.00 3275.02
1953 3.50 0.00 25.50 94.00 198.50 374.50 746.00 647.26 b 514.50 165.33 a 13.50 0.00 2782.59
1954 0.00 0.00 a 11.00 112.76 a 376.28 b 383.00 800.00 648.00 463.00 109.00 0.00 w 0.00 a 2903.03
1955 0.00 0.00 0.50 26.50 228.00 548.00 703.00 753.00 423.00 173.00 11.00 8.50 2874.50
1956 0.00 3.02 e 43.92 a 123.10 a 315.50 424.50 735.73 a 582.50 410.00 142.00 0.00 4.13 a 2784.41
1957 0.00 a 1.50 1.55 a 69.83 a 297.60 a 497.00 659.50 607.00 434.48 a 79.50 1.03 a 0.00 2648.99
1958 0.00 1.50 2.07 a 53.50 491.50 527.00 735.50 754.50 391.00 212.00 23.00 0.00 3191.57
1959 0.00 j 0.00 3.00 131.50 178.00 580.50 808.50 643.50 356.00 154.00 3.00 0.00 2858.00
1960 0.00 0.00 55.50 135.00 196.50 567.50 853.00 586.50 461.50 143.50 4.50 0.00 3003.50
1961 0.00 5.00 27.50 112.00 339.00 713.50 836.00 867.00 319.50 125.50 9.00 0.00 3354.00
1962 0.00 0.00 20.00 199.50 267.00 539.00 707.00 689.00 477.00 138.50 24.50 0.00 3061.50
1963 0.00 5.50 38.00 67.50 360.63 a 469.50 682.00 698.00 545.50 274.00 18.00 0.00 3158.63
1964 0.00 0.00 6.00 67.50 247.00 412.50 726.50 625.50 326.50 145.00 3.50 21.50 2581.50
1965 5.50 0.50 4.00 139.50 265.50 473.00 678.00 619.50 290.50 195.00 26.00 0.00 2697.00
1966 4.00 0.00 67.50 130.00 389.50 461.50 723.50 721.00 548.00 103.00 22.50 0.00 3170.50
1967 4.00 0.00 12.50 5.00 301.00 495.00 814.50 822.00 553.00 114.50 16.50 0.00 3138.00
1968 0.00 12.50 46.00 76.50 276.50 543.00 793.00 609.00 423.50 106.50 0.00 0.00 c 2886.50
1969 0.00 0.00 25.50 113.50 428.50 507.00 713.50 708.00 456.50 46.00 11.00 0.00 3009.50
1970 4.00 1.00 4.50 31.50 287.00 600.50 784.00 776.50 310.00 102.00 6.00 0.00 2907.00
1971 0.50 1.50 0.50 38.00 304.00 365.50 687.50 797.00 261.50 126.00 0.00 0.00 2582.00
1972 0.00 8.50 33.00 49.00 280.00 491.50 645.50 709.00 271.50 155.50 0.50 0.50 2644.50
1973 0.00 0.00 0.00 70.50 295.00 461.00 715.50 655.00 345.50 123.00 14.50 0.00 c 2680.00
1974 4.00 0.00 7.00 40.50 216.00 589.50 672.00 647.50 467.00 102.50 0.00 0.00 2746.00
1975 0.00 0.00 1.00 7.50 189.50 390.00 757.00 515.50 403.00 106.00 1.50 5.50 2376.50
1976 0.00 1.50 0.00 25.00 287.50 353.50 661.00 496.00 389.50 109.50 0.00 0.00 2323.50
1977 0.00 0.00 10.00 169.00 126.50 599.50 637.00 705.00 368.28 a 103.50 0.50 13.50 2732.78
1978 0.00 0.00 69.00 56.50 216.50 425.50 677.00 581.00 305.00 129.50 10.50 0.00 2470.50
1979 0.00 0.00 7.50 65.00 311.50 482.00 702.50 606.50 458.50 198.50 0.00 0.00 2832.00
1980 0.00 1.00 4.50 155.50 242.50 387.00 693.50 571.50 368.50 142.50 24.00 3.00 2593.50
1981 0.00 0.00 11.00 105.50 200.00 381.00 635.50 748.00 436.50 60.50 1.50 0.00 2579.50
1982 0.00 0.00 4.50 48.50 230.50 480.00 584.50 659.50 318.00 102.00 0.00 0.00 2427.50
1983 0.00 0.00 11.00 43.50 290.50 454.00 566.50 688.50 313.00 103.50 26.00 0.00 2496.50
1984 0.00 0.00 2.50 49.50 222.00 424.00 703.50 713.00 308.00 107.00 6.00 0.00 2535.50
1985 0.00 0.00 0.50 171.50 309.00 528.50 826.50 593.00 227.00 74.00 3.50 0.00 2733.50
1986 0.00 13.50 61.50 99.50 327.00 706.50 640.50 833.50 277.50 121.50 1.50 0.00 3082.50
1987 0.00 0.00 15.50 226.00 397.00 587.50 679.50 614.50 517.00 187.50 13.00 2.00 3239.50
1988 0.00 0.00 11.50 158.00 314.50 646.50 830.50 754.50 415.50 349.00 23.50 0.00 3503.50
1989 0.00 0.00 15.00 165.00 244.00 579.50 836.50 639.00 408.50 116.00 0.00 0.00 3003.50
1990 0.00 0.00 39.50 213.00 246.00 553.00 851.50 765.50 597.50 113.00 2.00 0.00 3381.00
1991 0.00 0.00 6.50 84.00 213.50 412.50 822.00 847.50 516.00 224.50 0.00 0.00 3126.50
1992 0.00 1.00 31.00 200.00 476.50 646.00 706.00 798.50 417.00 191.00 8.50 0.00 3475.50
1993 0.00 0.00 3.00 37.00 395.50 381.00 492.00 569.50 396.00 143.00 0.00 0.00 2417.00
1994 0.00 0.00 36.00 137.50 367.00 529.50 875.00 802.50 552.00 112.50 3.50 0.00 3415.50
1995 0.00 4.00 12.50 53.50 257.50 450.00 727.50 594.50 460.50 0.00 z 8.00 2.00 2570.00
1996 0.00 z 3.50 10.50 90.50 214.00 481.50 802.00 716.50 326.00 204.00 0.00 z 3.00 2851.50
1997 5.50 0.00 33.50 79.00 384.00 493.00 646.50 721.50 476.50 126.50 0.00 0.00 2966.00
1998 0.00 3.00 24.00 68.50 237.00 416.50 864.00 776.50 581.00 94.50 15.00 1.00 3081.00
1999 1.50 1.50 12.00 58.00 0.00 z 456.00 674.00 742.00 357.00 113.50 12.00 0.00 2427.50
2000 0.00 0.00 5.50 132.00 329.50 522.50 768.00 765.50 345.50 77.00 0.00 0.00 2945.50
2001 0.00 0.00 20.15 a 72.00 0.00 z 480.50 752.50 800.00 505.50 123.00 12.50 0.00 2766.15
2002 0.00 0.00 8.00 103.00 275.50 567.50 890.00 627.50 460.00 126.50 5.00 3.50 3066.50
2003 0.00 0.00 56.50 86.50 272.50 600.50 948.00 848.00 536.50 285.00 0.50 0.00 3634.00
2004 0.00 0.00 75.00 158.00 288.00 561.50 846.00 773.00 384.00 177.50 0.00 0.00 3263.00
2005 0.00 0.00 24.50 70.00 269.50 398.00 792.50 780.50 351.00 100.00 0.00 0.00 2786.00
2006 0.00 0.00 6.00 88.50 353.00 602.50 941.00 689.00 382.00 110.00 46.50 0.50 3219.00
2007 0.00 0.00 48.50 100.00 376.50 566.00 955.50 699.00 388.50 38.50 5.00 0.00 3177.50
2008 0.00 0.00 0.00 43.50 286.00 0.00 z 800.00 723.00 360.50 106.50 13.00 0.00 2332.50
2009 0.00 0.00 7.50 67.00 299.00 472.50 748.50 680.00 498.50 37.00 0.00 0.00 2810.00
2010 0.00 0.00 5.00 45.50 123.50 404.50 718.00 702.00 431.50 193.00 12.50 0.00 2635.50
2011 0.00 a 1.08 b 1.50 24.11 b 162.23 a 411.50 698.50 802.12 c 532.50 153.45 a 0.00 0.00 a 2786.99
2012 0.00 0.00 24.80 a 166.11 c 249.55 a 456.50 874.50 805.48 a 473.00 133.50 14.00 1.00 3198.44
2013 0.00 0.00 16.50 7.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.50
Period of Record Statistics
MEAN 0.44 1.20 19.06 100.94 292.66 488.20 744.73 693.75 420.84 144.54 7.92 1.39 2918.57
S.D. 1.31 2.79 20.08 53.64 77.40 83.44 84.39 80.13 84.79 59.94 9.30 3.79 297.07
SKEW 2.86 2.90 1.22 0.43 0.26 0.52 0.14 -0.01 -0.04 0.90 1.57 3.41 0.15
MAX 5.50 13.50 75.00 226.00 491.50 713.50 955.50 867.00 597.50 349.00 46.50 21.50 3634.00
MIN 0.00 0.00 0.00 5.00 123.50 353.50 492.00 496.00 227.00 37.00 0.00 0.00 2323.50
NO YRS 74 78 78 77 75 76 78 77 78 76 76 78 67