OWYHEE DAM, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(356405)

Base Temperature = 65 F

File last updated on Mar 05, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1935-----z834.50 735.00 430.50 262.50 29.00a7.00 6.00 24.34b173.50l850.67c1105.50a4285.01b
1936756.50f1012.50 679.82c303.50 112.24b52.50 0.00 0.00w95.00 238.00a825.50 930.00 4249.06b
19371157.50g861.92b604.50 455.50 115.00a71.50 0.00 24.00 90.50 303.50 591.50 840.00 3957.92a
1938895.00 674.00a669.50 395.50 213.10b38.00 9.50 3.50 43.00 358.00 841.50 957.00 5097.60
1939887.50a864.00 560.50a322.00 92.50 85.45b1.03b1.00 74.00 333.50 737.00 797.00 4755.48
1940964.00 671.00a509.00 368.00 115.50 25.00 0.00a0.00 96.00 315.00 817.00 921.00 4801.50
1941971.50 702.50a532.50 396.50 188.50 65.00 0.00 28.50 158.50 362.00 700.00 821.38b4926.88
19421207.50a865.50 715.00 341.00 297.00 91.00 0.00 27.00 61.00 296.50 713.50a870.50 5485.50
19431035.00 761.50 721.00 286.50 255.50 101.00 6.50 24.50 28.50 324.50 728.50 950.00a5223.00
19441228.00 820.50 703.50a387.50a193.50 107.00 3.50 0.00 91.00a226.50 766.50a1060.50 5588.00
1945972.00a659.50a674.50 460.50 175.00 78.50 0.00 2.50 169.50 260.00 691.86b1002.50 5146.36
1946995.00a808.50 550.50a300.00 152.00 27.00 0.00 1.00 144.50 468.00 708.50a826.00 4981.00
19471152.93b704.00 508.00 358.50 88.00 93.50 0.00 2.00 100.00 279.00 717.00a925.50a4928.43
1948962.00 779.50 715.50 416.00 196.55b15.00 0.50a2.00 87.00a358.00 694.00 1105.50 5331.55
19491554.00 822.00 565.50 289.00 126.00 49.50a0.00 0.00 34.50 479.50a608.00 894.50 5422.50
19501092.50a821.00 726.50 417.00 239.50 65.50 2.50 3.00a111.34b243.50 622.50 786.00 5130.84
19511002.00 760.50 730.00 323.50 146.00 83.50 0.00 15.00 65.00 409.00 796.00 968.50 5299.00
19521107.00 878.00 751.00 301.00a135.00 44.50 1.50a1.00 30.50a194.00 858.50 959.00 5261.00
1953702.50 675.50 530.00 443.00 270.00 94.50 0.00 5.17b40.50 298.50a552.00 928.50 4540.17
1954823.50 619.50a674.50 360.00a131.90b118.50 1.50 17.50 61.00 413.50 164.50w894.50a4115.90a
19551062.00 905.50 765.00 518.00 242.00a41.00 41.00 0.00 159.00 304.00a807.50 864.50 5709.50
1956960.50 913.50e580.50a372.50a193.00 88.00 4.50a35.50 101.50 419.50 865.34b931.50a5465.84
19571343.50a863.50 628.00a410.00a175.50a58.52b0.50 2.50 66.80b408.50a778.86b877.00a5613.18
19581002.50 631.50a698.50a445.00a82.50 41.00 0.00 0.00 110.00 280.50 726.00 822.50 4840.00
1959622.50j708.00 636.00 332.00a303.00a29.50 4.14b4.50a133.09b309.00a763.50 1082.50 4305.23a
19601185.00a868.50 604.50 370.00 280.50 11.50 0.00 48.00a52.50 357.50 686.50a1079.50 5544.00
19611054.00 629.00 571.00 375.50 165.00 0.50a0.00 0.00 156.00a395.50 753.50a995.00 5095.00
19621303.50 912.00 683.50 271.00 199.50 43.50 0.00 7.00 44.50 330.00 646.50 917.00 5358.00
19631199.00 570.50 563.50 470.50 139.50a69.00 0.00 0.00 33.50 239.50 664.00 1078.00 5027.00
19641081.50 911.00 724.50 447.50a249.00 94.00 0.00 29.50 121.50a344.50 735.00 876.00 5614.00
1965922.00 705.50 725.50 349.50 233.50 51.00 3.50 23.50 175.50 282.00 593.00 1023.00 5087.50
1966897.00 772.00 583.50 370.00 129.50 82.50 2.00 7.50 18.00 406.50 622.50 924.50 4815.50
1967816.00 644.00a632.00 567.00 217.00 53.50 0.00a0.00 32.00 389.00 648.00 1038.50 5037.00
19681041.50 678.00 520.00 460.00 204.50 28.50 0.00 48.50 88.50 410.50 713.50 932.14c5125.64
19691005.50 840.00 668.00 360.50 99.00 61.50 1.00 1.50 63.00 496.00 736.00 918.00 5250.00
1970851.00 649.50 644.50 543.50 200.00 47.00 0.00 0.00 184.00 479.50 648.00 1014.00 5261.00
1971914.00 738.00 768.50 483.50 177.00 127.50 10.00 3.50 219.00 465.50 779.00 1004.50a5690.00
19721086.00 861.00 597.00 508.00 217.50 44.50a17.00 1.50 220.50 360.50 741.00 1245.00 5899.50
19731095.00 776.00 655.00 438.50 213.50 98.00 8.00 10.50 139.50 398.50 670.00 849.44d5351.94
19741068.50 783.00 682.00 482.50 297.00 41.00 25.00 11.00 58.50 406.50 740.50 994.50 5590.00
19751112.00 826.50 752.50 633.50 298.50 95.00 2.50 44.50 94.00 427.00 798.00 1000.00a6084.00
1976969.00a910.50 829.50 514.00 182.50 129.00 4.50 48.00 100.50 438.00 747.00 1128.00 6000.50
19771363.00 865.50 706.50 340.50 355.50 7.50 13.50 33.50 134.50a375.00 733.50 802.00 5730.50
1978899.50 720.00 547.50 469.50 265.50 79.00 5.00 46.00 182.50 387.00 884.00 1160.50 5646.00
19791497.50 876.00 652.50 457.00 189.50 71.50 13.50 11.50 46.00 306.50 861.00 952.50a5935.00
19801078.50 760.00 689.50 351.00 248.50 127.50 0.50 20.00 109.50 414.50 747.50a962.50 5509.50
1981969.50 780.00 606.00 432.00 280.50 103.50 16.50 1.00 108.00 452.50 646.00 895.00 5290.50
19821099.00 885.50a670.50 556.00 246.00a85.00 34.66b3.00 163.00 419.50 892.50 1051.00 6105.66
19831000.50 707.50 595.86b490.00a252.00 56.50 46.50 4.50 162.00 399.00 626.50a1103.50a5444.36
19841200.00 967.50 658.50 490.00 282.50 114.00 0.00 0.00 203.50 493.50 730.00 1204.50 6344.00
19851252.00 1014.00 780.50a311.50a185.00 38.00 0.00 16.50 250.50 466.55b966.00a1526.50 6807.05
19861164.00 669.50a475.00 414.00 238.00a21.50 40.50 0.00 217.00a350.00a699.00 1099.50 5388.00
19871168.50 758.00 621.00 265.00a127.50a42.50 17.59b21.50 95.50 292.24b706.36b948.50a5064.18
19881146.50 821.50 633.00 342.50 229.50 40.50 3.50 0.00 121.50a145.50a675.50 1151.50 5311.00
19891207.50 1112.00a656.00 322.11b241.50 24.00 0.00 30.00a78.50a413.00 722.00a1043.00 5849.61
1990936.00 807.00 594.50 250.00 236.50 62.50 3.00 4.50a13.00 428.50 700.00 1378.50 5414.00
19911245.50 703.50 659.00 446.50 259.50 88.50 0.00 0.00 54.00 318.00 809.00 1006.50a5590.00
19921040.00 683.50 484.00 277.50a86.50 43.50 10.00 30.00 104.00 299.50 838.00 1117.00 5013.50
19931221.00 995.50 756.00 468.00 135.00 124.00 34.00 55.00 117.50 369.50 941.00 974.50 6191.00
1994984.50 875.00 547.50 358.00a163.00 69.50 3.50 0.00 16.50 400.00 907.00 1089.00 5413.50
1995966.00 629.50 670.00 477.00 227.50 88.00 7.50a30.50a98.00 -----z614.70b944.00a4752.70a
1996-----z827.00 593.08e408.50 264.50a42.46b1.00a4.50 169.00a367.50a-----z872.00 3549.54b
1997968.00 727.50 606.00 441.50a155.00a39.50 18.00a0.00 59.50a400.86b698.00a1055.00 5168.86
1998864.00 706.50a653.50 464.00 243.50 71.50 0.00 0.00 51.50a424.00 631.50 1016.50a5126.50
1999859.00a761.50a651.00a525.50 -----z82.50a13.50 7.50 135.50 380.50a620.00a951.50a4988.00a
2000949.50 714.50 681.00 336.00 169.50 56.50 7.50a0.00 155.50a431.00 931.00 991.00a5423.00
20011130.00 894.50 595.50a504.00a178.00 72.00 8.50 2.50a47.00 379.29c656.00a1004.50 5471.79
2002975.50 902.00 733.00a410.00 253.00 68.00 0.00 8.50a91.00 421.00 773.50a900.50 5536.00
2003889.00 790.50 542.50a458.00 271.50 15.00a0.00a0.00 66.00 224.50 811.00a850.71c4918.71
20041044.00a860.00 492.00 281.20b198.00 39.00 0.00 8.00 105.50 334.66b776.00 925.50a5063.85
20051014.00 865.00 530.50a442.50 207.00 116.50 1.50 4.14b132.00 391.00 832.00 1111.00 5647.14
2006874.50 862.00 717.00 429.00 184.00a12.50 0.00 6.72b145.00 412.50c694.00 1055.50a5392.72
20071128.00 694.00a555.50 415.00a144.50a49.00a0.00 3.50a137.50 474.11c766.83d980.69b5348.62
20081115.36c807.00a753.00a598.50 224.00a104.50 0.00 4.00 104.09b428.50a705.50 1026.00 5870.45
20091015.50a827.00a778.50 460.50 238.00 50.50a1.50 23.50 65.00 576.00 839.00 1260.00 6135.00
2010983.00 806.00 712.00 553.00 398.50 98.50 9.50 20.00 70.00a292.00 765.50 994.50a5702.50
20111057.00a811.56b697.00 526.14b314.50a93.00 0.00 0.00c28.00 366.50a823.00 1026.50a5743.20
2012983.00 818.50 600.50a342.63c238.50a78.50 0.00 3.00a50.50 440.50 691.00 890.50 5137.13
20131389.50 787.50 660.00 380.50 163.50a53.00 0.00 0.00 90.00 420.52b759.00 1268.50 5972.02
20141034.50 710.22e567.00 420.50 132.00a36.50 0.00 0.00 43.50 281.00 728.76c862.50 4816.48
20151025.50 617.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z1642.50j
Period of Record Statistics
MEAN1056.04 791.53 643.64 412.41 205.46 64.21 5.85 11.32 99.98 367.75 742.11 994.89 5415.27
S.D.154.65 105.07 80.95 83.97 65.07 31.78 10.29 14.68 54.86 78.54 88.56 131.29 417.18
SKEW0.80 0.30 -0.10 0.20 0.20 0.17 2.40 1.37 0.57 -0.31 0.32 1.26 0.63
MAX1554.00 1112.00 829.50 633.50 398.50 129.00 46.50 55.00 250.50 576.00 966.00 1526.50 6807.05
MIN702.50 570.50 475.00 250.00 82.50 0.50 0.00 0.00 13.00 145.50 552.00 786.00 4540.17
YRS76.00 81.00 80.00 80.00 79.00 80.00 80.00 79.00 80.00 78.00 78.00 80.00 72.00