OWYHEE DAM, OREGON

Monthly Total Growing Degree Days

(356405)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1007.00 1017.50 783.10 a 419.00 95.50 4.50 3326.60
1949 0.00 62.00 214.50 461.50 706.00 809.48 a 1048.00 1042.50 845.50 281.58 a 158.00 8.50 5637.57
1950 6.72 a 48.50 87.50 333.00 538.00 755.50 1029.50 1021.45 a 695.36 b 535.00 158.00 31.50 5240.02
1951 14.50 57.50 112.00 426.50 644.00 704.00 1058.50 960.00 726.00 370.00 53.50 19.50 5146.00
1952 0.00 18.00 94.00 440.17 a 658.50 787.00 1051.42 a 1017.50 829.14 a 598.00 47.00 8.00 5548.73
1953 126.50 72.50 246.50 309.00 505.00 674.50 1056.00 957.26 b 814.50 469.65 a 202.00 21.00 5454.41
1954 59.50 102.67 a 118.50 377.59 a 682.53 b 683.00 1110.00 958.00 760.00 361.50 22.50 w 27.38 a 5240.67
1955 3.50 8.50 94.00 232.00 532.00 848.00 1013.00 1063.00 721.50 456.00 95.50 57.50 5124.50
1956 9.00 35.65 e 203.05 a 367.24 a 619.50 723.50 1045.73 a 892.50 710.00 359.50 37.00 42.37 a 5045.04
1957 0.00 a 32.50 138.98 a 325.86 a 603.98 a 797.00 969.50 917.00 734.48 a 353.50 47.59 a 32.00 4952.40
1958 9.50 84.50 86.80 a 289.50 801.00 827.00 1045.50 1064.50 689.00 494.50 134.50 31.00 5557.30
1959 29.00 j 63.00 143.00 402.50 475.00 880.50 1118.50 953.50 656.00 458.00 93.50 0.50 5244.00
1960 0.00 12.50 222.00 380.00 495.50 867.50 1163.00 896.50 761.50 419.50 81.00 6.50 5305.50
1961 0.50 95.00 214.00 374.50 644.50 1013.50 1146.00 1177.00 618.00 379.50 72.00 19.50 5754.00
1962 15.00 21.00 132.50 483.50 575.50 839.00 1017.00 999.00 777.00 445.00 152.50 23.50 5480.50
1963 0.00 146.00 216.00 279.50 670.63 a 769.50 992.00 1008.00 845.50 549.00 136.50 0.00 5612.63
1964 4.00 5.50 91.50 303.00 538.00 712.50 1036.50 935.50 626.50 430.50 96.00 101.50 4881.00
1965 52.50 54.00 112.00 401.50 557.50 773.00 988.00 929.50 576.50 496.50 195.50 13.50 5150.00
1966 48.00 27.00 231.00 381.00 699.00 761.50 1033.50 1031.00 848.00 368.50 160.00 25.00 5613.50
1967 68.00 67.00 162.50 183.00 590.00 795.00 1124.50 1132.00 853.00 386.00 148.00 31.00 5540.00
1968 5.50 113.00 256.50 295.50 579.00 843.00 1103.00 919.00 723.50 367.00 73.00 19.93 c 5297.93
1969 7.00 3.50 145.50 389.50 730.00 807.00 1023.50 1018.00 756.50 287.50 111.00 16.50 5295.50
1970 89.00 78.50 138.50 209.00 588.00 900.50 1094.00 1086.50 605.50 316.00 128.00 7.50 5241.00
1971 48.50 41.50 98.00 267.50 606.00 665.50 997.50 1107.00 549.00 341.50 36.00 8.00 4766.00
1972 26.50 67.00 191.50 247.00 578.50 791.50 955.50 1019.00 558.50 419.50 63.50 29.00 4947.00
1973 6.50 27.00 126.50 311.50 603.00 759.50 1025.50 965.00 645.50 376.50 133.00 22.14 c 5001.64
1974 75.50 18.50 141.00 268.00 487.50 889.50 982.00 957.50 767.00 368.50 55.00 6.50 5016.50
1975 8.00 26.00 70.00 141.50 479.50 690.00 1067.00 825.50 703.00 352.50 73.50 31.00 4467.50
1976 1.00 44.00 55.00 240.00 597.50 653.50 971.00 806.00 689.50 337.00 94.50 0.00 4489.00
1977 0.00 16.50 99.00 417.00 419.50 899.50 947.00 1015.00 665.69 a 400.00 97.00 84.00 5060.19
1978 16.50 42.50 241.50 280.50 516.00 725.50 987.00 891.00 601.50 389.00 46.50 11.00 4748.50
1979 0.00 14.00 150.50 293.50 611.50 782.00 1012.50 916.50 758.50 474.00 31.50 5.50 5050.00
1980 22.50 67.50 104.50 403.00 541.50 686.50 1003.50 881.50 668.50 361.50 119.50 47.50 4907.50
1981 3.00 45.50 177.50 320.00 504.00 679.50 945.50 1058.00 736.50 322.50 140.00 41.50 4973.50
1982 15.00 52.00 120.00 205.50 532.50 780.00 894.50 969.50 615.50 351.00 21.50 9.00 4566.00
1983 10.00 73.50 170.00 242.50 584.50 754.00 876.50 998.50 603.00 376.00 149.50 3.50 4841.50
1984 4.00 5.00 125.00 260.00 510.00 724.00 1013.50 1023.00 592.50 291.00 68.00 0.00 4616.00
1985 0.00 2.50 55.50 432.00 615.00 828.50 1136.50 903.00 515.00 313.00 63.00 0.00 4864.00
1986 0.50 100.00 300.00 341.50 623.00 1006.50 950.50 1143.50 574.00 412.50 91.00 0.00 5543.00
1987 0.00 24.50 173.00 494.00 703.00 887.50 989.50 924.50 817.00 482.00 122.50 38.50 5656.00
1988 5.50 37.50 152.50 412.50 600.00 946.50 1140.50 1064.50 714.50 655.50 118.50 0.00 5848.00
1989 0.00 0.00 171.00 426.00 547.50 879.50 1146.50 949.00 708.50 373.50 70.00 2.00 5273.50
1990 23.50 27.00 198.50 502.50 549.00 853.00 1161.50 1075.50 897.50 352.50 81.00 1.00 5722.50
1991 5.00 59.50 130.00 306.00 518.50 712.50 1132.00 1157.50 816.00 481.50 27.50 3.50 5349.50
1992 5.50 89.50 291.00 469.00 786.50 946.00 1016.00 1108.50 717.00 496.50 48.00 1.50 5975.00
1993 1.50 1.00 128.00 282.00 704.50 680.50 802.00 879.50 693.50 413.50 32.50 19.50 4638.00
1994 2.50 27.00 242.50 395.00 667.00 829.50 1185.00 1112.50 852.00 376.00 28.00 4.50 5721.50
1995 19.50 120.50 139.00 275.50 566.50 749.50 1037.50 904.50 757.00 0.00 z 160.50 47.00 4777.00
1996 0.00 z 81.50 195.50 341.50 513.00 781.50 1112.00 1026.50 623.00 404.50 0.00 z 59.50 5138.50
1997 34.00 41.00 188.00 288.50 682.50 793.00 956.50 1031.50 776.50 388.50 75.00 1.50 5256.50
1998 25.50 38.50 163.00 286.00 540.50 716.50 1174.00 1086.50 881.00 352.50 134.00 46.50 5444.50
1999 30.00 31.00 132.50 229.50 0.00 z 756.00 984.00 1052.00 650.50 380.00 143.00 12.50 4401.00
2000 12.00 55.00 105.00 414.00 633.50 822.50 1078.00 1075.50 644.00 347.50 12.50 3.50 5203.00
2001 0.00 1.50 187.03 a 245.00 0.00 z 780.50 1062.50 1110.00 805.50 392.50 125.50 2.00 4712.03
2002 8.50 8.00 131.50 354.50 566.00 867.50 1200.00 937.50 760.00 364.00 65.00 45.50 5308.00
2003 13.50 38.00 245.50 306.50 560.00 900.50 1258.00 1158.00 836.50 572.00 51.00 40.50 5980.00
2004 8.00 17.00 283.50 445.50 597.00 861.50 1156.00 1083.00 684.00 434.50 29.00 25.50 5624.50
2005 0.50 8.00 210.50 294.00 577.50 698.00 1102.50 1090.50 650.00 382.50 47.00 6.50 5067.50
2006 13.00 27.00 96.00 340.38 d 661.50 901.07 b 812.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2038.96
Period of Record Statistics
MEAN 17.22 44.56 159.48 334.89 593.15 797.41 1047.12 1005.23 715.23 405.91 91.59 20.82 5231.44
S.D. 25.46 33.74 60.19 83.57 78.62 85.92 85.81 87.33 93.03 76.82 47.64 21.56 384.17
SKEW 2.32 0.82 0.45 0.06 0.46 0.41 -0.07 -0.08 -0.05 1.07 0.33 1.49 -0.06
MAX 126.50 146.00 300.00 502.50 801.00 1013.50 1258.00 1177.00 897.50 655.50 202.00 101.50 5980.00
MIN 0.00 0.00 55.00 141.50 419.50 653.50 802.00 806.00 515.00 281.58 12.50 0.00 4467.50
NO YRS 56 58 58 58 56 58 58 58 58 57 56 58 51