RIDDLE 2 NNE, OREGON

Monthly Total Heating Degree Days

(357169)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 123.50 21.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 144.50
1900 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 0.00 z 618.92 d 575.00 427.50 267.00 126.00 39.50 27.00 130.00 330.00 507.00 709.00 3756.92
1914 629.50 549.00 404.50 355.00 221.50 164.50 6.00 29.50 162.50 268.50 545.50 850.00 4186.00
1915 752.00 560.00 419.50 349.50 281.50 154.50 22.00 11.50 182.50 352.00 535.00 676.50 4296.50
1916 928.00 446.50 500.50 377.50 357.00 155.50 53.50 39.50 100.00 473.50 644.00 808.00 4883.50
1917 812.50 660.00 701.00 470.50 357.00 103.00 12.00 13.50 101.50 376.00 431.50 535.50 4574.00
1918 598.00 612.50 549.50 430.34 a 346.00 46.50 34.50 55.50 47.50 259.00 579.00 793.00 4351.34
1919 743.50 635.50 544.50 382.50 276.50 160.00 17.71 c 5.00 127.00 442.50 603.00 763.50 4701.21
1920 698.00 665.00 603.00 471.00 329.50 83.50 6.50 30.50 132.00 368.00 572.50 689.50 4649.00
1921 686.50 510.00 477.00 424.00 297.00 56.00 34.00 30.50 189.00 263.00 434.50 758.00 4159.50
1922 829.00 645.50 602.00 497.00 274.00 62.50 19.50 24.00 87.00 272.50 585.00 716.50 4614.50
1923 689.23 a 613.50 546.50 402.00 290.00 132.50 21.00 12.00 88.00 299.00 444.50 736.50 4274.73
1924 717.50 445.00 578.00 333.00 66.50 q 68.50 24.69 d 24.50 133.50 338.50 556.50 848.50 4068.19
1925 626.20 a 489.50 484.00 365.00 c 181.00 128.50 2.00 36.00 131.50 394.98 b 536.00 694.50 4069.18
1926 702.00 464.50 420.50 217.50 221.00 59.00 23.50 14.00 207.50 272.80 a 416.00 710.50 3728.80
1927 672.00 181.50 s 195.00 u 105.50 x 53.00 z 40.38 d 20.67 d 22.22 a 90.00 h 309.00 454.00 785.91 d 2304.18
1928 651.50 577.50 409.00 410.00 192.50 95.50 22.50 22.50 140.36 b 345.50 523.97 a 766.00 4156.82
1929 296.00 t 716.69 b 537.33 a 522.50 263.00 136.00 23.50 13.84 c 210.52 a 289.85 a 702.50 590.66 c 4006.39
1930 877.82 a 492.00 500.50 323.00 341.00 147.50 27.50 18.50 138.50 356.50 428.00 g 726.50 3949.32
1931 665.93 d 531.50 481.50 319.66 a 82.00 56.00 1.00 0.00 0.00 z 306.50 621.00 716.50 3781.58
1932 782.00 653.00 461.00 406.00 272.50 85.00 28.00 31.50 74.50 293.93 d 460.00 903.00 4450.43
1933 821.00 684.50 588.00 426.00 409.00 152.00 31.00 39.00 210.50 298.50 578.00 586.50 4824.00
1934 583.00 458.50 324.50 282.50 181.00 100.50 16.50 16.50 150.00 288.00 458.00 673.50 3532.50
1935 775.00 556.00 667.00 453.00 282.50 82.50 59.50 38.23 a 50.00 308.50 631.50 750.00 4653.73
1936 666.50 636.00 636.50 357.41 a 233.57 b 67.00 30.00 19.00 156.00 395.00 0.00 z 755.50 3952.48
1937 1001.50 629.50 547.50 502.00 0.00 z 17.00 v 12.50 40.30 a 81.72 a 118.00 l 375.54 b 352.50 h 3190.56
1938 680.00 609.00 583.50 334.50 247.00 74.00 4.00 24.50 37.00 315.00 606.00 705.00 4219.50
1939 720.00 670.50 500.50 308.00 209.00 141.00 16.50 9.50 49.14 a 288.50 490.00 572.50 3975.14
1940 673.00 507.50 446.00 344.50 154.00 43.50 3.00 0.00 57.00 236.00 561.50 667.00 3693.00
1941 628.50 484.50 431.00 414.00 256.50 116.38 a 3.00 39.00 184.29 b 349.27 a 477.00 641.46 e 4024.89
1942 685.00 583.50 557.50 388.00 0.00 z 162.00 10.52 c 14.39 c 68.00 289.00 487.00 683.50 3928.41
1943 836.00 544.50 515.50 339.00 324.00 177.00 16.00 51.50 50.50 323.50 548.50 774.50 4500.50
1944 729.00 614.00 578.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 55.00 n 177.50 597.00 704.00 3399.50
1945 655.50 546.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 91.00 p 267.00 516.50 644.00 2629.50
1946 691.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 106.50 443.50 608.50 696.00 2546.00
1947 800.00 465.00 413.50 317.00 153.00 120.50 12.50 31.00 80.00 232.00 520.50 691.00 3836.00
1948 740.50 627.50 586.00 503.50 279.50 44.50 31.50 21.50 142.50 b 318.00 618.10 a 837.00 4750.10
1949 983.50 618.00 498.50 300.52 a 171.02 a 67.24 a 14.00 22.22 a 53.00 460.50 415.00 737.50 4340.99
1950 899.50 556.00 570.00 441.00 286.00 89.50 11.50 9.00 91.00 276.00 459.83 a 527.50 4216.83
1951 765.70 a 584.37 a 642.50 296.00 217.50 49.50 5.54 c 19.50 31.55 a 329.50 535.50 789.00 4266.16
1952 792.50 621.95 a 632.50 360.00 a 254.00 148.00 3.10 a 14.50 65.00 238.50 748.50 721.00 4599.55
1953 592.00 609.00 611.50 439.50 362.50 233.00 17.05 a 34.00 81.00 322.50 433.00 694.50 4429.55
1954 733.50 510.50 617.00 372.50 214.00 183.00 24.00 31.50 136.67 c 361.50 455.50 758.50 4398.17
1955 774.50 669.50 639.00 531.50 310.00 100.00 c 72.85 a 37.50 163.97 a 296.00 573.50 655.50 4823.82
1956 725.50 758.00 582.00 359.00 215.50 146.67 c 13.50 23.50 66.00 388.50 625.50 760.50 4664.17
1957 900.50 539.50 512.00 370.50 197.88 a 62.00 42.50 65.00 56.50 348.50 637.50 689.50 4421.88
1958 652.50 436.00 608.00 417.00 134.50 63.50 3.00 0.00 111.00 279.00 458.50 543.50 3706.50
1959 619.50 612.50 518.50 339.00 311.00 93.00 15.00 21.00 146.50 284.00 589.50 757.00 4306.50
1960 735.50 612.00 458.50 382.00 299.50 57.50 3.00 54.50 73.00 313.50 551.50 720.50 4261.00
1961 651.00 473.50 544.50 387.50 264.50 45.00 16.00 0.00 151.00 354.00 656.00 710.50 4253.50
1962 852.00 596.00 577.00 308.50 336.87 a 116.50 29.00 28.50 44.00 0.00 z 462.00 676.00 4026.37
1963 928.00 383.00 569.00 482.00 252.00 138.50 45.50 27.50 39.00 290.50 529.50 710.00 4394.50
1964 744.50 672.50 604.50 483.50 327.00 142.00 23.00 28.50 137.50 235.50 604.50 703.00 4706.00
1965 724.50 558.00 522.50 362.50 323.50 120.00 24.00 14.50 165.50 210.00 456.00 795.50 4276.50
1966 752.50 608.00 528.50 340.50 245.50 106.00 23.50 22.00 54.00 298.00 507.00 651.00 4136.50
1967 675.00 556.50 593.50 530.00 265.50 51.00 0.00 0.00 22.00 271.50 500.50 793.50 4259.00
1968 716.00 452.50 442.50 435.00 263.00 101.50 7.50 38.00 90.50 318.50 498.00 712.00 4075.00
1969 804.00 652.50 543.50 411.50 147.00 64.00 27.00 31.50 77.00 379.00 542.00 651.00 4330.00
1970 617.50 480.50 512.50 522.50 240.00 73.00 5.00 8.50 149.50 356.00 495.50 742.50 4203.00
1971 797.50 579.00 613.50 456.50 277.00 130.00 40.00 9.50 143.00 391.50 587.00 798.00 4822.50
1972 783.50 537.50 409.00 486.00 243.50 74.50 10.00 28.00 186.50 378.00 492.00 824.50 4453.00
1973 757.00 487.50 584.50 390.00 189.50 101.00 15.50 69.50 68.00 358.50 596.50 585.00 4202.50
1974 813.00 605.50 536.00 430.50 311.00 76.50 39.50 21.00 28.50 330.50 470.00 668.50 4330.50
1975 691.50 581.50 620.00 554.50 267.00 126.00 27.00 37.50 53.50 313.00 595.00 658.50 4525.00
1976 661.00 616.00 577.00 468.00 258.85 a 206.00 8.50 48.00 64.00 269.00 454.50 809.00 4439.85
1977 783.00 466.00 608.50 428.79 a 407.50 68.00 51.50 10.50 152.50 300.00 580.00 607.50 4463.79
1978 587.00 524.00 419.00 436.50 297.50 82.50 30.00 43.00 150.00 243.50 693.62 a 839.00 4345.62
1979 867.50 621.70 a 448.43 b 382.78 c 261.29 c 0.00 z 36.00 17.50 42.50 212.00 561.50 662.00 4113.20
1980 797.50 500.50 564.50 362.59 a 289.00 166.00 18.50 36.68 a 109.00 295.50 473.00 632.92 a 4245.69
1981 595.50 504.00 498.50 399.64 b 269.50 101.50 49.00 14.43 b 112.50 118.00 t 399.00 g 626.50 3171.07
1982 813.50 610.00 581.50 474.50 269.00 107.00 36.50 31.50 121.00 302.00 584.00 730.00 4660.50
1983 645.63 e 498.00 463.97 a 437.00 227.50 129.50 56.50 13.00 140.50 280.50 482.50 730.50 4105.10
1984 681.00 557.00 451.00 455.50 286.50 163.50 9.50 14.00 125.50 383.50 581.50 754.50 4463.00
1985 744.50 631.50 646.50 306.00 250.50 59.50 3.50 32.50 195.50 374.00 718.00 815.00 4777.00
1986 593.50 490.50 371.00 426.50 276.50 64.50 30.00 0.50 203.00 236.50 495.50 707.50 3895.50
1987 734.50 565.50 506.50 299.50 181.50 80.00 40.50 11.50 99.00 229.50 491.00 750.50 3989.50
1988 714.50 534.50 540.50 346.00 304.00 130.00 25.50 14.00 126.00 163.00 505.00 758.50 4161.50
1989 720.00 767.50 543.00 278.50 278.00 77.50 39.50 34.00 75.00 306.00 524.50 744.50 4388.00
1990 674.50 642.00 484.00 309.50 296.00 113.50 10.50 13.50 23.00 338.50 548.50 922.50 4376.00
1991 795.50 419.50 607.00 461.00 344.00 155.00 4.50 12.00 45.00 289.50 440.50 698.00 4271.50
1992 641.00 425.00 393.50 290.00 111.00 60.00 16.00 19.50 98.50 267.00 496.50 746.50 3564.50
1993 794.00 637.50 378.00 407.50 181.50 102.50 47.50 43.50 120.50 243.50 722.00 734.00 4412.00
1994 613.50 605.00 481.50 351.00 181.00 128.50 12.50 10.50 60.50 356.50 668.00 671.50 4140.00
1995 622.00 390.50 527.50 439.00 221.00 136.50 14.00 56.00 34.50 304.00 389.50 582.00 3716.50
1996 666.00 487.50 479.00 351.00 275.00 101.00 26.00 18.50 130.50 302.00 458.00 667.50 3962.00
1997 689.50 538.50 511.00 398.50 149.00 97.50 26.50 3.00 68.00 315.50 446.00 717.00 3960.00
1998 604.00 544.00 509.50 416.50 336.50 73.00 9.00 10.00 67.00 329.00 493.50 788.50 4180.50
1999 667.50 592.50 586.50 447.50 339.50 134.50 36.50 18.00 94.50 300.00 403.00 718.00 4338.00
2000 709.00 506.50 577.00 320.00 211.50 67.00 24.00 20.00 91.00 284.00 628.50 689.00 4127.50
2001 684.00 621.50 510.50 451.00 174.00 150.50 10.00 4.50 70.00 314.00 469.50 700.50 4160.00
2002 696.50 539.00 616.50 383.00 303.00 71.00 6.00 26.00 78.50 394.50 481.00 620.00 4215.00
2003 506.50 559.00 440.00 449.00 269.50 64.00 6.00 0.50 72.00 231.50 591.00 663.50 3852.50
2004 636.00 547.50 387.50 333.50 191.50 78.00 6.00 1.50 91.00 282.50 565.00 656.50 3776.50
2005 691.50 516.50 426.00 402.00 195.00 115.00 6.50 5.50 121.00 249.00 575.00 672.50 3975.50
2006 633.50 571.00 609.50 371.00 207.00 47.00 18.50 20.00 70.50 332.00 501.50 675.00 4056.50
2007 815.50 559.00 441.00 366.50 222.50 95.00 0.00 7.50 141.00 346.50 550.00 732.50 4277.00
2008 825.50 598.00 604.00 521.50 240.50 159.50 7.50 20.50 84.50 321.50 447.50 785.00 4615.50
2009 717.00 566.50 614.50 446.00 211.50 39.50 2.50 17.50 71.00 371.50 552.50 825.50 4435.50
2010 542.00 478.00 485.50 401.00 298.00 92.00 8.50 15.00 50.50 267.50 514.00 621.00 3773.00
2011 624.00 594.50 504.00 449.50 294.50 80.50 9.00 5.50 14.50 230.50 530.50 743.00 4080.00
2012 643.50 560.00 550.00 307.50 198.50 92.00 3.50 5.00 32.50 249.50 403.50 690.00 3735.50
2013 727.50 550.00 409.20 a 8.50 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 1686.70
Period of Record Statistics
MEAN 721.09 563.54 526.67 398.10 256.06 103.25 20.52 22.45 101.43 309.67 533.19 713.95 4264.04
S.D. 94.03 76.06 77.62 68.16 63.41 41.25 15.23 15.11 49.49 58.04 79.09 75.40 309.85
SKEW 0.58 0.00 -0.28 0.05 -0.16 0.54 0.93 0.75 0.39 0.30 0.42 0.00 -0.20
MAX 1001.50 767.50 701.00 554.50 409.00 233.00 72.85 69.50 210.52 473.50 748.50 922.50 4883.50
MIN 506.50 383.00 324.50 217.50 82.00 39.50 0.00 0.00 14.50 163.00 375.54 527.50 3532.50
NO YRS 99 99 98 96 93 96 98 97 96 97 97 99 85