OWYHEE DAM, OREGON

Monthly Total Heating Degree Days

(356405)

Base Temperature = 65 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 834.50 735.00 430.50 262.50 30.00 a 7.00 6.00 25.18 b 187.00 k 871.03 a 1140.50 4342.21
1936 969.00 1012.50 698.02 a 303.50 114.18 a 52.50 0.00 0.00 w 95.00 253.00 825.50 930.00 5253.20
1937 1157.50 g 876.00 604.50 455.50 127.00 71.50 0.00 24.00 90.50 303.50 591.50 840.00 3984.00
1938 895.00 694.00 669.50 395.50 225.27 a 38.00 9.50 3.50 43.00 358.00 841.50 957.00 5129.77
1939 920.50 864.00 571.00 322.00 92.50 88.39 b 1.03 a 1.00 74.00 333.50 737.00 797.00 4801.93
1940 964.00 704.00 509.00 368.00 115.50 25.00 0.00 0.00 96.00 315.00 817.00 921.00 4834.50
1941 971.50 728.52 a 532.50 396.50 188.50 65.00 0.00 28.50 158.50 362.00 700.00 829.00 4960.52
1942 1258.00 865.50 715.00 341.00 297.00 91.00 0.00 27.00 61.00 296.50 725.00 870.50 5547.50
1943 1035.00 761.50 721.00 286.50 255.50 101.00 6.50 24.50 28.50 324.50 728.50 965.00 5238.00
1944 1228.00 820.50 727.50 400.00 193.50 107.00 3.50 0.00 91.00 226.50 782.00 1060.50 5640.00
1945 992.50 688.00 674.50 460.50 175.00 78.50 0.00 2.50 169.50 260.00 708.00 1002.50 5211.50
1946 1024.00 808.50 568.50 300.00 152.00 27.00 0.00 1.00 144.50 468.00 716.50 826.00 5036.00
1947 1199.00 704.00 508.00 358.50 88.00 93.50 0.00 2.00 100.00 279.00 738.50 957.00 5027.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 2.00 90.00 a 358.00 694.00 1105.50 2250.00
1949 1554.00 822.00 565.50 289.00 126.00 51.21 a 0.00 0.00 34.50 495.48 a 608.00 894.50 5440.19
1950 1128.92 a 821.00 726.50 417.00 239.50 65.50 2.50 3.10 a 115.18 b 243.50 622.50 786.00 5171.20
1951 1002.00 760.50 730.00 323.50 146.00 83.50 0.00 15.00 65.00 409.00 796.00 968.50 5299.00
1952 1107.00 878.00 751.00 311.38 a 135.00 44.50 1.55 a 1.00 31.55 a 194.00 858.50 959.00 5272.48
1953 702.50 675.50 530.00 443.00 270.00 94.50 0.00 5.34 b 40.50 308.45 a 552.00 928.50 4550.29
1954 823.50 642.44 a 674.50 372.41 a 136.29 b 118.50 1.50 17.50 61.00 413.50 164.50 w 924.32 a 4185.47
1955 1062.00 905.50 765.00 518.00 254.00 41.00 41.00 0.00 159.00 319.00 807.50 864.50 5736.50
1956 960.50 946.12 e 599.85 a 385.34 a 193.00 88.00 4.65 a 35.50 101.50 419.50 889.50 962.55 a 5586.02
1957 1388.28 a 863.50 648.93 a 424.14 a 181.35 a 56.50 0.50 2.50 66.72 a 425.00 796.55 a 900.50 5754.48
1958 1002.50 645.00 721.78 a 460.50 82.50 41.00 0.00 0.00 110.00 280.50 726.00 822.50 4892.28
1959 622.50 j 708.00 636.00 347.50 311.50 29.50 4.00 4.50 143.00 317.00 763.50 1082.50 4347.00
1960 1233.50 868.50 604.50 370.00 280.50 11.50 0.00 48.00 52.50 357.50 709.00 1079.50 5615.00
1961 1054.00 629.00 571.00 375.50 165.00 0.50 0.00 0.00 156.00 395.50 771.50 995.00 5113.00
1962 1303.50 912.00 683.50 271.00 199.50 43.50 0.00 7.00 44.50 330.00 646.50 917.00 5358.00
1963 1199.00 570.50 563.50 470.50 144.15 a 69.00 0.00 0.00 33.50 239.50 664.00 1078.00 5031.65
1964 1081.50 911.00 724.50 449.00 249.00 94.00 0.00 29.50 131.00 344.50 735.00 876.00 5625.00
1965 922.00 705.50 725.50 349.50 233.50 51.00 3.50 23.50 175.50 282.00 593.00 1023.00 5087.50
1966 897.00 772.00 583.50 370.00 129.50 82.50 2.00 7.50 18.00 406.50 622.50 924.50 4815.50
1967 816.00 667.00 632.00 567.00 217.00 53.50 0.00 0.00 32.00 389.00 648.00 1038.50 5060.00
1968 1041.50 678.00 520.00 460.00 204.50 28.50 0.00 48.50 88.50 410.50 713.50 963.21 c 5156.71
1969 1005.50 840.00 668.00 360.50 99.00 61.50 1.00 1.50 63.00 496.00 736.00 918.00 5250.00
1970 851.00 649.50 644.50 543.50 200.00 47.00 0.00 0.00 184.00 479.50 648.00 1014.00 5261.00
1971 914.00 738.00 768.50 483.50 177.00 127.50 10.00 3.50 219.00 465.50 779.00 1033.00 5718.50
1972 1086.00 861.00 597.00 508.00 217.50 46.00 17.00 1.50 220.50 360.50 741.00 1245.00 5901.00
1973 1095.00 776.00 655.00 438.50 213.50 98.00 8.00 10.50 139.50 398.50 670.00 879.62 c 5382.12
1974 1068.50 783.00 682.00 482.50 297.00 41.00 25.00 11.00 58.50 406.50 740.50 994.50 5590.00
1975 1112.00 826.50 752.50 633.50 298.50 95.00 2.50 44.50 94.00 427.00 798.00 1009.50 6093.50
1976 1004.50 910.50 829.50 514.00 182.50 129.00 4.50 48.00 100.50 438.00 747.00 1128.00 6036.00
1977 1363.00 865.50 706.50 340.50 355.50 7.50 13.50 33.50 139.14 a 375.00 733.50 802.00 5735.14
1978 899.50 720.00 547.50 469.50 265.50 79.00 5.00 46.00 182.50 387.00 884.00 1160.50 5646.00
1979 1497.50 876.00 652.50 457.00 189.50 71.50 13.50 11.50 46.00 306.50 861.00 979.00 5961.50
1980 1078.50 760.00 689.50 351.00 248.50 127.50 0.50 20.00 109.50 414.50 767.00 962.50 5529.00
1981 969.50 780.00 606.00 432.00 280.50 103.50 16.50 1.00 108.00 452.50 646.00 895.00 5290.50
1982 1099.00 920.50 670.50 556.00 250.50 85.00 33.50 3.00 163.00 426.50 892.50 1051.00 6151.00
1983 1000.50 707.50 612.00 508.50 252.00 56.50 46.50 2.50 162.00 399.00 641.00 1167.50 5555.50
1984 1200.00 966.50 658.50 490.00 282.50 114.00 0.00 0.00 203.50 493.50 730.00 1204.50 6343.00
1985 1252.00 1014.00 800.00 319.50 185.00 38.00 0.00 16.50 250.50 479.00 1004.00 1526.50 6885.00
1986 1164.00 690.00 475.00 414.00 245.00 21.50 40.50 0.00 222.50 362.50 699.00 1099.50 5433.50
1987 1168.50 758.00 621.00 281.50 141.00 42.50 17.00 21.50 86.50 296.00 718.50 985.50 5137.50
1988 1151.00 821.50 633.00 342.50 229.50 40.50 3.50 0.00 121.50 145.50 680.50 1151.50 5320.50
1989 1207.50 1170.00 656.00 330.00 241.50 24.00 0.00 30.00 78.50 413.00 753.50 1043.00 5947.00
1990 931.00 812.50 594.50 250.00 237.00 56.00 3.00 4.50 13.00 428.50 700.00 1378.50 5408.50
1991 1251.00 703.50 659.00 446.50 259.50 88.50 0.00 0.00 45.50 318.00 809.00 1033.50 5614.00
1992 1045.00 683.50 484.00 292.00 86.50 43.50 10.00 30.00 99.00 299.50 838.00 1117.00 5028.00
1993 1201.00 1001.00 749.00 468.00 128.00 124.00 34.00 55.00 117.50 369.50 941.00 974.50 6162.50
1994 984.50 875.00 547.50 362.00 163.00 69.50 3.50 0.00 16.50 400.00 907.00 1089.00 5417.50
1995 966.00 629.50 670.00 477.00 227.50 88.00 7.00 27.50 85.50 0.00 z 625.50 980.00 4783.50
1996 0.00 z 827.00 593.50 408.50 268.00 51.50 1.00 4.50 172.00 390.50 0.00 z 872.50 3589.00
1997 968.00 735.50 606.00 465.50 155.00 39.50 18.00 0.00 59.50 401.50 719.00 1055.00 5222.50
1998 864.00 733.50 653.50 464.00 243.50 71.50 0.00 0.00 51.50 424.00 631.50 1046.50 5183.50
1999 893.50 784.00 675.50 525.50 0.00 z 94.00 13.50 7.50 135.50 395.00 633.50 993.00 5150.50
2000 949.50 714.50 681.00 336.00 169.50 56.50 7.50 0.00 167.00 431.00 931.00 1026.50 5470.00
2001 1130.00 901.00 615.35 a 531.50 0.00 z 72.00 8.50 2.50 47.00 388.50 683.00 1004.50 5383.85
2002 979.50 908.50 737.50 395.50 250.00 66.50 0.00 9.50 91.00 425.50 807.00 900.50 5571.00
2003 889.00 784.50 542.50 444.50 266.50 16.50 0.00 0.00 66.00 242.00 856.00 873.50 4981.00
2004 1091.00 855.00 496.50 304.50 193.50 32.00 0.00 8.00 106.00 341.50 787.00 968.00 5183.00
2005 1014.00 860.50 565.50 456.50 215.00 116.50 1.50 4.00 135.50 397.50 844.50 1116.50 5727.50
2006 874.50 862.00 717.00 429.00 184.00 11.50 0.00 6.50 145.00 434.00 704.00 1100.50 5468.00
2007 1128.00 733.50 555.50 425.00 151.50 49.00 0.00 3.50 138.00 509.00 786.00 1012.50 5491.50
2008 1147.00 834.50 777.00 593.00 237.00 0.00 z 0.00 4.00 113.50 444.00 705.50 1032.50 5888.00
2009 1063.00 852.00 774.00 471.00 238.00 51.00 1.50 23.50 65.00 576.00 839.00 1260.00 6214.00
2010 988.50 806.00 703.00 553.00 393.00 97.00 9.50 20.00 70.00 303.50 771.50 1025.00 5740.00
2011 1092.23 a 841.62 b 697.00 544.29 b 324.98 a 93.00 0.00 0.00 c 28.00 378.72 a 823.00 1060.72 a 5883.55
2012 983.00 818.50 620.52 a 354.44 c 246.45 a 78.50 0.00 3.10 a 50.50 440.50 691.00 890.50 5177.01
2013 1389.50 787.50 660.00 22.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.00 z 2837.00
Period of Record Statistics
MEAN 1064.13 801.55 647.32 416.18 208.98 64.97 5.97 11.56 101.23 372.07 748.71 1003.20 5449.29
S.D. 158.36 105.16 80.91 84.73 65.86 31.69 10.33 14.72 55.88 79.38 91.54 128.00 419.80
SKEW 0.72 0.48 -0.12 0.19 0.11 0.15 2.36 1.34 0.53 -0.31 0.31 1.17 0.69
MAX 1554.00 1170.00 829.50 633.50 393.00 129.00 46.50 55.00 250.50 576.00 1004.00 1526.50 6885.00
MIN 702.50 570.50 475.00 250.00 82.50 0.50 0.00 0.00 13.00 145.50 552.00 786.00 4550.29
NO YRS 74 78 78 77 75 76 78 77 78 76 76 78 67