DETROIT DAM, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(352292)

Base Temperature = 65 F

File last updated on May 22, 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
1954-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z211.50q828.50 828.50k
1955907.50 775.00 822.00 690.00 456.00 206.00a162.50 43.50 191.00 383.00 752.96b805.00 6194.46
1956846.50 881.00 809.00 494.00 308.00a245.50 52.50 84.50 108.00 471.00 657.50 796.00 5753.50
19571052.50 719.50 693.50 495.00 280.00 125.00 59.00 70.50 60.00 414.00 674.50 760.50 5404.00
1958774.50 571.50 694.50 542.00 171.50 131.50 10.00 12.00 159.50 284.00 629.50 652.00 4632.50
1959759.50 690.50a672.50 462.00 418.50a179.50 57.50 52.50 221.50 340.50 599.00 768.00 5221.50
1960939.50 722.50 677.50 525.00 450.50 112.00 22.00 117.00 127.00a340.00 628.50 774.00 5435.50
1961680.00 634.00 692.00 531.00 376.50 86.50a35.00 18.00 214.50 430.00 693.00 836.00 5226.50
1962895.00 697.00 771.00 454.00 507.00 168.50 77.50a80.00 102.50 368.00 578.00 716.50 5415.00
1963952.00 514.00 674.50 606.00a332.50 251.00 133.00 62.50 59.00 343.50 606.50 772.00 5306.50
1964824.50 738.50 742.50 604.50 445.50 233.50 87.50 108.50 189.50 328.00 702.00 828.50 5833.00
1965839.00 673.50 593.00 464.50 429.50 190.50 53.50 50.00 167.50 281.50 546.00 857.50 5146.00
1966849.50 699.00 682.50 436.00 299.50 197.00 90.00 51.50 102.00 369.50 565.00 758.50 5100.00
1967751.00 650.50 721.50 642.00 314.50 127.00 10.00 2.50 34.00 380.50 538.00 864.50 5036.00
1968881.00 506.00a573.50 561.50 362.00 174.00 44.00a104.50 135.00 423.00 592.00 886.50 5243.00
19691016.00 770.50 644.50 527.50 239.00 125.50 60.00 66.00 142.00 453.50 560.00 705.00 5309.50
1970768.50 571.50 639.00 634.00 327.00 141.50 39.50 18.00 229.00 405.50 573.00 853.50 5200.00
1971865.50a718.50 795.00 584.00 367.50 275.00 88.50a14.50 196.50 476.00 680.50 868.00 5929.50
1972927.00 716.50 650.50 615.00 304.50 165.50 38.50 41.50 238.50 396.00 592.50 851.38b5537.38
1973871.00a598.00 698.50 511.00 304.00 198.50 79.00 102.00 146.50 431.00 701.18b723.50 5364.18
1974924.50 728.50 697.50 556.00 438.50 158.50 93.50 61.00 54.00 311.50 593.00 729.50 5346.00
1975779.50 721.50 719.50a661.50 403.50 242.50a79.00 108.50a78.50a392.59b687.50 734.50a5608.59
1976802.00 740.00a769.50 570.00 343.50 278.00 82.50 105.50 105.00 344.50 505.00 754.50 5400.00
1977850.50 579.00a714.50a420.00a490.00 117.50a103.50 51.00 212.00 356.00 682.50 675.00a5251.50
1978724.50 610.00 516.50 538.50 431.00 151.50 67.00 104.00 213.50 294.50 760.50 918.00 5329.50
19791010.50 774.00 584.00 528.00a306.00 164.00a67.50 48.50 68.00 289.50 649.50 660.00a5149.50
1980873.00 613.50a690.50 462.96b404.50a284.00a74.48b108.10b165.00 336.50 557.50 705.50a5275.55
1981692.00 632.00 617.50 515.50a417.00 244.43b132.93b47.00 162.00a425.50a586.50 743.00a5215.36
1982892.50 706.50a655.00a575.86b336.67d167.50a112.50a74.50a178.00 381.72b663.50a786.00 5530.25
1983738.00 617.50 574.00a493.00a309.00 237.18b164.46c29.00a176.50a359.50a581.50 942.50 5222.14
1984761.67d656.50a546.96c574.00a421.55b250.00a53.50 37.50 159.00a469.00 662.50 887.50 5479.68
1985841.00 762.50a703.97b453.00 333.50a148.00a12.50a79.50 242.00 428.00 867.50 918.00 5789.47
1986688.00 664.50 520.50 538.50 362.50 119.00 117.50 19.50 205.00f297.50 596.00 755.50 4679.00a
1987858.00 618.40b607.50 361.98b285.52b124.29b99.50 53.50 98.50 210.00b527.00a829.50 4673.69
1988840.50a634.00a622.00 468.50 373.00a178.46d75.50a41.50 140.00 167.50 567.50a742.50a4850.96
1989777.00a854.65b651.92e354.00a337.24b126.50a93.50 101.00 88.04b400.00 -----z734.50a4518.35a
1990730.86b756.00a575.50 369.75b379.50 197.00 37.50 50.17b51.00 429.50 608.00 971.38b5156.16
1991842.00a500.00a676.00 549.00 421.50a273.50a31.50 35.00 66.00 313.97b562.50 726.50 4997.47
1992720.50 543.00 450.50 385.50 175.50 95.29b58.50 40.50 140.50a318.00 609.00 827.00a4363.79
1993916.00a709.27b597.50 525.00 232.50 221.00 145.00 76.50 96.50 280.00a765.50 765.50a5330.27
1994723.00 721.50 575.00 439.50 268.00a219.00 47.00 21.50 76.50 390.50a808.50 800.50a5090.50
1995703.50 556.50a640.00 511.00 267.00a190.50 46.00 85.50a76.00 379.00 465.00a708.50 4628.50
1996780.00 747.50 612.50 474.00 406.50 157.50 47.00a34.00a150.00 389.00 602.50a806.00 5206.50
1997819.50 656.50 654.00 508.50 190.34b172.00 46.50 6.50 88.00 394.00 495.50 778.00 4809.34
1998740.00 622.50 569.00a476.50 390.00 136.50 29.00 22.50 72.50 385.50 598.50 882.00 4924.50
1999798.50 726.00 704.50 528.00 410.00a217.00 79.00 50.00a91.00 310.50a525.50 726.00a5166.00
2000826.50a681.50 661.00 393.50 346.00 126.00a66.21b48.50a116.00 359.46c701.50 769.50 5095.67
2001738.10b662.50 586.50 519.00a261.50 231.50 67.00 41.50 96.00a413.50 609.50 797.59b5024.19
2002830.50 659.50a740.50 490.50 404.00 128.95b34.00 56.50a91.00a378.50a577.50a715.50a5106.95
2003649.50a675.00 621.50 528.73b316.50a129.50a20.50 9.50 104.00a293.00a688.75b753.00a4789.48
2004870.50 646.00a507.00a375.00 297.93b129.50 20.50 42.00 167.00 342.00a619.50 729.00 4745.93
2005803.00 648.00 538.50a463.00a283.50a227.50a26.00a16.00 162.00a349.50a653.50a844.50 5015.00
2006752.07b710.00a724.50 455.20b280.86b128.50a36.00 48.50a153.50a398.00a646.50a835.50 5169.13
2007888.62b708.00 647.88e505.95b306.50a-----z31.07c59.50a196.00 500.36c650.00a861.00 5354.88a
2008947.78d733.50a785.89c664.00a391.03b267.50a35.00 69.83b125.50a391.61c551.00b686.50g4962.64a
2009826.00a732.24c754.14b539.00a337.50c129.00a32.50 -----z94.00 460.00 698.00 963.00 5565.38a
2010-----z622.00 667.00 578.50 474.50 250.00 61.00a75.00 168.50 437.00 702.50 825.00 4861.00a
2011892.50 802.50 798.50 695.00 525.50 243.50 121.00 27.00 88.50 417.50 720.00 888.50 6220.00
2012869.50 749.00 828.00 538.00 392.00 297.50 68.50 34.50 95.50 415.00 649.50 876.00 5813.00
2013984.00 751.00 650.77e522.00 306.00a157.50 8.00 21.00 194.50 486.50 687.00a924.31b5692.58
2014826.50 755.50a631.50 489.50 274.50 185.50 24.00 6.00 69.00 287.00 615.50 697.00 4861.50
2015700.50 527.50 474.50 485.50 197.00k-----z-----z-----z-----z-----z-----z-----z2188.00h
Period of Record Statistics
MEAN827.21 678.08 657.55 515.73 350.42 183.66 64.12 53.33 132.08 371.69 629.96 798.20 5252.16
S.D.89.88 81.50 85.78 77.97 78.81 55.13 37.78 30.86 54.26 65.98 77.53 76.96 376.30
SKEW0.27 -0.18 -0.12 0.13 -0.06 0.29 0.79 0.38 0.26 -0.52 0.52 0.29 0.36
MAX1052.50 881.00 828.00 695.00 525.50 297.50 164.46 117.00 242.00 500.36 867.50 971.38 6220.00
MIN649.50 500.00 450.50 354.00 171.50 86.50 8.00 2.50 34.00 167.50 465.00 652.00 4363.79
YRS60.00 61.00 61.00 61.00 60.00 59.00 60.00 59.00 59.00 60.00 59.00 60.00 54.00