POWERS, OREGON

Monthly Total Heating Degree Days

(356820)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1932 0.00 z 0.00 z 0.00 z 0.00 z 303.00 126.50 92.50 74.50 152.50 324.50 369.50 760.00 2203.00
1933 716.50 600.00 531.13 a 427.50 432.50 154.00 83.50 57.50 208.00 224.00 461.50 504.00 4400.13
1934 486.00 419.50 256.50 260.50 197.50 164.00 74.00 27.50 155.00 243.00 394.50 571.50 3249.50
1935 651.00 469.00 633.00 413.00 337.50 132.93 a 112.93 c 71.50 64.00 335.50 556.50 590.55 a 4367.41
1936 567.50 534.00 540.00 328.50 209.00 91.50 36.00 48.50 147.00 268.00 607.50 635.00 4012.50
1937 913.50 613.41 a 356.00 i 491.50 301.00 127.00 65.00 83.00 123.00 186.00 387.32 b 510.00 3800.73
1938 577.00 547.00 595.50 370.50 255.50 115.00 32.60 b 47.00 74.40 e 311.50 527.59 a 593.50 4047.09
1939 637.00 612.00 485.00 272.50 172.50 101.00 g 43.50 10.00 k 84.00 245.00 445.00 492.50 3489.00
1940 557.50 471.50 426.00 353.00 215.50 106.50 44.00 26.50 86.00 220.50 497.00 583.50 3587.50
1941 535.00 403.00 440.00 420.50 190.13 a 124.66 a 29.97 a 41.85 a 132.50 296.00 404.50 575.50 3593.61
1942 593.00 587.50 576.71 b 406.80 e 297.50 171.50 12.00 31.00 96.00 253.00 461.00 544.05 a 4030.06
1943 682.00 456.50 470.50 348.00 315.50 163.50 43.50 63.50 36.00 274.00 442.76 a 655.50 3951.26
1944 602.50 598.50 546.50 447.50 318.50 185.00 74.50 60.50 106.55 a 197.50 556.00 568.50 4262.05
1945 575.00 516.50 612.00 442.00 281.00 190.50 76.00 80.00 157.00 325.00 513.50 591.50 4360.00
1946 646.00 571.50 567.00 463.50 279.50 219.00 74.00 98.00 195.00 451.50 620.17 a 668.00 4853.17
1947 805.00 478.50 473.00 363.00 277.00 222.00 112.12 a 145.50 145.50 282.50 466.55 a 568.00 4338.67
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 119.00 89.00 189.50 327.50 549.00 769.50 2043.50
1949 922.00 614.00 539.00 364.50 270.50 199.00 132.50 99.00 133.00 452.00 378.62 a 697.00 4801.12
1950 815.50 527.33 a 558.00 434.50 360.50 185.00 57.50 46.50 145.00 280.00 404.00 458.50 4272.33
1951 682.00 523.50 626.50 417.50 307.50 149.50 59.00 86.00 98.50 297.50 470.50 721.78 a 4439.78
1952 740.50 570.50 626.00 438.00 337.50 250.50 51.00 69.00 94.66 a 210.28 a 623.00 629.00 4639.94
1953 485.50 540.00 570.50 439.00 391.00 265.50 86.28 a 75.00 95.50 302.50 394.50 581.50 4226.78
1954 649.50 463.50 575.00 429.50 320.00 279.50 116.00 106.50 147.00 325.50 410.50 645.00 4467.50
1955 695.00 615.00 611.50 563.00 381.00 227.50 161.50 112.00 177.41 a 305.00 512.00 598.50 4959.41
1956 655.00 713.50 576.00 401.00 283.00 225.00 78.00 82.00 139.50 363.00 523.00 639.12 a 4678.12
1957 816.50 479.50 496.50 405.00 263.50 143.00 99.50 76.50 61.50 319.50 547.00 598.50 4306.50
1958 538.50 394.50 573.50 403.00 209.50 122.00 21.50 24.00 110.00 221.50 406.50 442.78 a 3467.28
1959 557.00 559.50 520.50 376.50 347.00 167.50 76.00 87.00 167.00 241.00 477.50 656.50 4233.00
1960 661.00 554.00 471.50 399.00 358.00 145.50 87.50 97.50 117.50 307.50 514.50 621.50 4335.00
1961 535.00 471.50 525.00 453.00 370.00 157.50 70.50 21.00 191.00 311.00 397.50 h 624.17 e 3729.67
1962 729.00 561.00 567.50 327.50 386.50 212.00 104.00 72.50 79.00 320.33 a 296.50 j 0.00 z 3359.33
1963 0.00 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 299.00 473.00 604.50 1376.50
1964 665.50 631.00 591.00 493.00 369.00 186.00 78.00 73.50 165.50 238.50 549.00 630.00 4670.00
1965 647.50 545.50 498.00 386.25 b 344.00 186.50 56.00 23.25 a 154.00 205.00 439.50 740.50 4226.00
1966 678.00 594.00 577.00 332.50 325.50 164.48 a 81.50 61.50 82.00 329.50 475.00 602.00 4302.98
1967 643.00 550.00 621.00 563.50 290.00 83.50 22.50 11.00 46.00 288.50 443.00 725.92 a 4287.92
1968 716.50 409.50 486.00 469.50 307.50 142.50 41.00 50.50 110.00 316.50 464.00 674.50 4188.00
1969 776.50 658.00 543.00 462.00 228.50 107.00 78.50 88.00 110.50 354.50 496.50 593.00 4496.00
1970 589.00 457.00 521.00 523.50 308.50 127.50 68.50 81.50 214.50 378.50 449.50 706.00 4425.00
1971 739.00 559.00 626.00 500.50 345.50 194.50 75.50 29.00 163.50 421.00 567.00 756.00 4976.50
1972 761.00 556.00 441.50 492.00 268.00 133.50 32.00 62.00 189.50 347.00 496.50 777.50 4556.50
1973 701.50 504.50 610.00 390.00 245.00 143.50 64.00 112.00 110.00 354.50 545.00 543.00 4323.00
1974 752.50 603.00 529.00 457.50 321.50 168.00 77.00 45.50 63.50 321.00 467.00 633.00 4438.50
1975 629.00 580.00 599.50 570.00 288.96 c 166.50 66.50 87.50 85.00 330.00 576.50 602.00 4581.46
1976 626.00 620.50 612.00 504.00 306.00 235.50 70.50 72.00 102.00 277.00 397.50 702.50 4525.50
1977 702.50 449.00 624.50 393.50 398.50 122.50 78.50 23.50 158.50 282.50 509.50 540.50 4283.50
1978 548.00 472.50 398.50 437.00 329.50 103.00 51.50 51.50 164.50 232.50 596.50 778.50 4163.50
1979 751.50 570.50 441.50 413.50 285.00 144.50 62.50 45.00 51.00 218.50 519.00 561.50 4064.00
1980 708.50 455.50 574.50 415.50 328.00 223.50 48.50 85.50 113.00 281.00 443.00 566.00 4242.50
1981 517.50 512.00 505.00 403.50 280.50 136.50 71.50 44.50 130.00 345.00 482.50 568.00 3996.50
1982 746.50 577.50 588.50 514.50 309.50 164.50 105.50 67.00 127.50 298.00 557.50 658.50 4715.00
1983 604.50 466.00 471.50 474.50 257.00 163.50 102.00 44.50 145.50 277.50 461.50 644.50 4112.50
1984 616.00 539.50 453.50 473.00 303.50 189.00 54.50 46.00 130.00 361.50 519.50 735.50 4421.50
1985 679.00 588.50 632.00 348.50 299.50 131.50 10.00 72.00 157.50 342.00 663.50 690.50 4614.50
1986 534.50 444.50 410.00 424.00 292.00 85.00 50.00 21.00 217.00 239.00 443.00 606.50 3766.50
1987 659.00 526.50 493.50 301.50 232.50 111.21 a 86.00 29.50 97.50 189.00 457.00 705.00 3888.21
1988 661.50 504.00 499.50 366.50 335.00 176.50 47.50 56.50 103.00 168.00 483.00 690.00 4091.00
1989 687.50 724.00 535.50 271.00 299.00 123.00 68.00 59.00 86.00 304.00 483.00 660.50 4300.50
1990 618.50 610.00 454.00 316.50 293.50 177.50 29.00 33.50 30.00 332.00 516.00 857.00 4267.50
1991 729.00 359.00 588.50 443.00 357.00 208.50 20.50 27.00 57.50 245.00 433.00 662.00 4130.00
1992 575.50 415.50 0.00 z 278.00 141.50 88.00 27.00 29.00 112.00 221.00 471.50 719.50 3078.50
1993 744.00 589.50 366.00 411.00 212.00 160.50 50.50 31.50 84.50 207.00 621.50 676.50 4154.50
1994 583.00 561.00 439.00 364.50 239.50 182.50 30.00 37.00 86.50 307.50 645.00 618.00 4093.50
1995 551.00 370.50 513.00 441.50 262.00 181.50 34.00 62.50 51.00 273.00 355.50 503.00 3598.50
1996 608.50 450.50 464.50 356.00 329.00 139.00 37.00 25.00 109.00 278.00 429.50 600.00 3826.00
1997 534.00 499.50 475.50 345.50 162.00 138.50 33.00 0.00 z 0.00 z 314.00 0.00 z 702.00 3204.00
1998 556.50 528.50 477.00 435.00 343.00 0.00 z 21.00 24.00 65.00 279.00 0.00 z 719.50 3448.50
1999 639.78 b 565.50 587.50 448.00 368.50 172.00 64.00 51.00 79.50 250.00 386.00 614.00 4225.78
2000 651.00 b 515.00 580.00 308.00 255.75 a 101.00 27.50 48.00 94.50 271.00 568.50 627.50 4047.75
2001 626.95 b 529.93 a 468.00 472.76 a 220.10 a 183.10 a 41.00 33.00 80.36 b 281.58 a 0.00 z 637.57 a 3574.34
2002 645.50 480.50 0.00 z 358.93 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1484.93
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 144.31 a 34.00 17.00 44.00 0.00 z 495.50 0.00 z 734.81
2004 527.57 d 488.70 b 346.74 d 286.00 g 217.57 d 115.50 29.50 10.00 98.00 268.50 493.50 572.50 3168.09
2005 594.50 447.00 384.50 390.00 202.50 155.50 19.00 21.00 141.00 264.50 477.00 597.00 3693.50
2006 494.50 483.00 582.50 0.00 z 243.00 79.00 63.50 75.00 90.00 309.00 452.00 586.62 e 3458.12
2007 687.00 553.50 411.00 395.50 278.50 158.50 13.00 27.00 151.00 322.00 492.00 548.50 f 3489.00
2008 736.00 541.00 549.45 b 475.50 0.00 z 0.00 z 0.00 z 45.00 0.00 z 0.00 z 0.00 z 0.00 z 2346.95
2009 0.00 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 0.00 z 0.00 z 0.00 z 0.00
2010 0.00 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 0.00 z 0.00 z 0.00 z 0.00
2011 0.00 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 0.00 z 0.00 z 0.00 z 0.00
2012 0.00 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 0.00 z 0.00 z 0.00 z 0.00
2013 0.00 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 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 650.28 528.11 522.29 412.39 291.55 159.45 61.44 56.70 117.25 289.78 488.79 631.72 4242.90
S.D. 93.02 74.21 78.85 69.23 60.07 43.93 30.98 28.33 44.91 57.00 69.78 79.64 354.12
SKEW 0.53 0.05 -0.76 -0.03 -0.24 0.44 0.60 0.51 0.24 0.36 0.40 0.18 -0.40
MAX 922.00 724.00 633.00 570.00 432.50 279.50 161.50 145.50 217.00 452.00 663.50 857.00 4976.50
MIN 485.50 359.00 256.50 260.50 141.50 79.00 10.00 10.00 30.00 168.00 355.50 442.78 3249.50
NO YRS 73 73 70 71 72 71 74 73 73 74 70 72 60