RIDDLE, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(357169)

Base Temperature = 65 F

File last updated on Aug 03, 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
1899-----z-----z-----z-----z-----z107.00a21.00 -----z-----z-----z-----z-----z128.00j
1900-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1901-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1902-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1903-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1904-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1905-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1906-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1907-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1908-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1909-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1910-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1911-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1912-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1913-----z596.81d575.00 407.00a267.00 126.00 39.50 27.00 130.00 330.00 493.00b709.00 3700.31a
1914629.50 542.50a404.50 355.00 221.50 164.50 6.00 29.50 150.50a268.50 531.50a850.00 4153.50
1915752.00 560.00 419.50 349.50 281.50 154.50 22.00 11.50 182.50 352.00 518.50a660.00a4263.50
1916928.00 446.50 485.17b377.50 357.00 155.50 53.50 39.50 98.50a473.50 644.00 808.00 4866.67
1917812.50 660.00 701.00 470.50 357.00 94.25b12.00 13.50a101.50 376.00 427.50a520.00a4545.75
1918598.00 583.10b521.00a412.73b346.00 46.50 34.50 55.50 47.12b253.50a579.00 793.00 4269.95
1919726.00a635.50 544.50 367.00a276.50 151.00a16.00f5.00a127.00 442.50 590.50a741.00a4606.50a
1920698.00 665.00 585.50a465.04b329.50 83.50 6.50a30.50 123.25b368.00 572.50 689.50 4616.79
1921686.50 510.00 477.00 401.00a297.00 56.00 34.00 30.50 189.00 236.00a402.38b758.00 4077.38
1922829.00 619.50a602.00 497.00 274.00 62.50 19.50 24.00 87.00 272.50 585.00 716.50 4588.50
1923667.00a613.50 524.50a402.00 290.00 127.00a18.50a12.00 88.00 299.00 444.50 717.00a4203.00
1924690.00a445.00 549.31b333.00 66.50q68.50 24.81e24.50 128.50a338.50 534.00a848.50 3984.62a
1925604.14b489.50 484.00 352.83c176.50a128.50 2.00 36.00 131.50 380.19e536.00 672.50a3993.66
1926702.00 440.83b420.50 217.50 221.00 59.00 23.50 14.00 207.50 264.00a416.00 710.50 3696.33
1927638.00a181.50s195.00u105.50x-----z39.04d20.00d21.50a90.00h309.00 437.00a760.56d2225.09e
1928651.50 577.50 409.00 410.00 192.50 95.50 22.50 22.50 135.68b345.50 521.48b766.00 4149.66
1929269.00u702.00e520.00a522.50 263.00 136.00 23.50 13.39c203.50a280.50a674.50a583.89d3922.78a
1930839.48b492.00 500.50 323.00 341.00 147.50 27.50 12.00a138.50 356.50 358.00j726.50 3904.48a
1931633.46e531.50 481.50 305.54b84.83b47.50a1.00 0.00a-----z306.50 621.00 716.50 3729.32a
1932782.00 653.00 461.00 406.00 272.50 85.00 28.00 31.50 74.50 242.00f448.50a903.00 4145.00a
1933821.00 684.50 563.28b426.00 393.50a136.00a32.07b40.34b210.50a298.50 578.00 566.00a4749.69
1934583.00 458.50 324.50 282.50a181.00 100.50 16.50 16.50 150.00 288.00 458.00 650.50a3509.50
1935753.10b556.00 646.50a432.93b279.50a82.50 59.50 37.00a50.00 332.22d596.50a750.00 4575.75
1936647.50a636.00 619.66b336.09b226.03b67.00 30.00a19.00 150.58d395.00 -----z755.50 3882.36a
19371001.50 629.50 547.50 482.50a-----z13.00x9.00a39.00a79.00a109.00m363.02b352.50h3151.02d
1938680.00 609.00 583.50 334.50 247.00 74.00 4.00 24.50 37.00 315.00 606.00 705.00 4219.50
1939720.00 670.50 500.50 308.00 209.00 139.50a16.50 9.50 47.50a288.50 485.00a572.50 3967.00
1940643.50a494.50a446.00 344.50 154.00 43.50 3.00 0.00 57.00 236.00 561.50 667.00 3650.50
1941628.50 484.50 431.00 414.00 256.50 112.50a3.00 39.00a178.14b338.00a477.00 620.77e3982.91
1942685.00 583.50 557.50 388.00 -----z162.00 10.18c14.44d68.00a289.00 418.00f683.50 3441.12b
1943836.00 544.50 499.00a339.00 324.00 177.00 16.00 51.50 50.50 323.50 548.50 774.50 4484.00
1944701.00a614.00 578.00 -----z-----z-----z-----z-----z55.00n177.50 597.00 704.00 3371.50f
1945655.50 524.50a-----z-----z-----z-----z-----z-----z91.00p267.00 516.50 644.00 2607.50g
1946691.50 -----z-----z-----z-----z-----z-----z-----z106.50 443.50 608.50 668.50a2518.50g
1947800.00 465.00 413.50 317.00 153.00 120.50 12.50 31.00 80.00 232.00 504.50a691.00 3820.00
1948715.71c627.50 586.00 503.50 279.50 44.50a31.50 21.50 137.75b318.00 597.50a838.50 4701.46
1949983.50 618.00 498.50 290.50a165.50a65.00a14.00 21.50a53.00 460.50 415.00 737.50 4322.50
1950899.50 556.00 570.00 441.00 286.00 89.50 11.50 9.00 91.00 276.00 444.50a518.00a4192.00
1951741.00a563.50a642.50 296.00 217.50 49.50 5.36c19.50 30.50a329.50 535.50 789.00 4219.36
1952792.50 600.50a632.50 348.00a254.00 148.00 3.00a14.50 65.00 238.50 748.50 721.00 4566.00
1953592.00 609.00 580.50a439.50 362.50 233.00 16.50a34.00 81.00 322.50 433.00 668.00a4371.50
1954733.50 510.50 591.72b372.50 204.11c181.00a24.00 31.50 132.11c361.50 455.50 758.50 4356.44
1955774.50 669.50 639.00 531.50 310.00 96.67c70.50a37.50 158.50a296.00 573.50 655.50 4812.67
1956725.50 758.00 568.00a359.00 215.50 141.78c13.50 23.50 66.00 388.50 625.50 735.00a4619.78
1957900.50 539.50 512.00 370.50 191.50a62.00 42.50 65.00 56.50 348.50 637.50 689.50 4415.50
1958652.50 436.00 608.00 417.00 134.50 63.50 3.00 0.00 111.00 279.00 453.50a543.50 3701.50
1959619.50 612.50 518.50 339.00 311.00 93.00 15.00 21.00 146.50 284.00 589.50 757.00 4306.50
1960735.50 612.00 458.50 382.00 299.50 57.50 3.00 54.50 73.00 313.50 538.57b720.50 4248.07
1961651.00 473.50 544.50 387.50 264.50 45.00 16.00 0.00a151.00 354.00 632.00a710.50 4229.50
1962785.17b596.00 577.00 308.50 326.00a116.50 29.00 28.50 44.00 -----z462.00 676.00 3948.67a
1963928.00 383.00 569.00 482.00 252.00 138.50 45.50 27.50 39.00 290.50 529.50 710.00 4394.50
1964744.50 672.50 604.50 483.50 327.00 142.00 23.00 28.50 137.50 235.50 604.50 703.00 4706.00
1965724.50 558.00 522.50 362.50 323.50 120.00 24.00 14.50 165.50 210.00 456.00 795.50 4276.50
1966752.50 608.00 528.50 340.50 245.50 106.00 23.50 22.00 54.00 291.50a507.00 651.00 4130.00
1967655.00a556.50 593.50 530.00 265.50 51.00 0.00 0.00 22.00 271.50 500.50 793.50 4239.00
1968716.00 452.50 442.50 435.00 263.00 101.50 7.50 38.00 90.50 318.50 498.00 712.00 4075.00
1969804.00 652.50 543.50 411.50 147.00 64.00 27.00 31.50 77.00 379.00 542.00 651.00 4330.00
1970617.50 480.50 512.50 522.50 240.00 73.00 5.00 8.50 149.50 356.00 480.00a742.50 4187.50
1971797.50 579.00 613.50 456.50 277.00 130.00 40.00 9.50 143.00 375.50a587.00 798.00 4806.50
1972783.50 537.50 403.50a486.00 236.50a74.50 10.00 28.00 186.50 378.00 492.00 824.50 4440.50
1973757.00 487.50 584.50 375.00a189.50 101.00 15.50 69.50 68.00 358.50 596.50 585.00 4187.50
1974813.00 605.50 536.00 430.50 311.00 76.50 39.50 21.00 28.50 330.50 470.00 668.50 4330.50
1975691.50 581.50 620.00 538.50a261.00a126.00 27.00 37.50 53.50 313.00 595.00 658.50 4503.00
1976642.50a616.00 577.00 468.00 250.50a206.00 8.50 48.00a64.00 269.00 454.50 809.00 4413.00
1977783.00 466.00 608.50 414.50a407.50 68.00 51.50 10.50 152.50 300.00 580.00 589.50a4431.50
1978587.00 524.00 419.00 436.50 297.50 82.50 30.00 43.00 150.00 243.50 670.50a813.50a4297.00
1979842.00a599.50a433.97b370.02c252.86c-----z36.00 17.50 42.50 212.00 561.50 662.00 4029.84a
1980797.50 488.00a564.50 350.50a279.50a166.00 18.50 36.72b109.00 295.50 473.00 612.50a4191.22
1981595.50 504.00 498.50 386.32b269.50 101.50 49.00 13.97b112.50 118.00t399.00g626.50 3157.29b
1982813.50 581.54b571.55b474.50 271.50a100.38d36.50 31.50 121.00 286.00a563.50a688.97b4540.44
1983624.81e487.17e449.48b437.00 223.97b129.50 52.00i13.00 140.50a276.21b460.89b685.50a3928.03a
1984681.00 557.00 434.00a437.00a265.50a163.50 9.00a13.93c104.09b383.50 559.29b754.50 4362.30
1985721.00a631.50 628.50a303.00 250.50 61.11b3.50 32.50a186.00a374.00 718.00 815.00 4724.61
1986593.50 475.00a371.00 416.50a276.50 64.50 30.00a0.50 196.56c236.50 476.50a707.50 3844.56
1987714.50a551.50a506.50 283.00a181.50 80.00 40.50 11.50 99.00 229.50 491.00 742.00 3930.50
1988677.00a534.50 540.50 344.50 309.00 130.00 25.50 14.00 126.00 163.00 483.16b758.50 4105.66
1989698.50a767.50 519.31b278.50 278.00 77.50 39.50a34.00 77.68b308.50 511.50a707.50a4297.99
1990658.45b626.50a484.00 280.50a296.00 113.50 10.50 13.50 23.00a333.00a528.98c915.00 4282.93
1991795.50 411.00a585.00b461.00 335.00a146.50a4.50 18.50 58.00a305.00 428.00a690.50a4238.50
1992633.50 412.00a390.00 288.50a96.50a62.00a10.00 18.50 96.00a278.50 508.00 748.50 3542.00
1993788.50 626.00 377.50 406.00 177.00 127.50 46.11d43.50 113.00 259.00 725.00 732.00 4421.11
1994622.50 564.50a484.50 353.50 170.50 123.00a12.50 10.50 63.00 362.00 646.50a689.50 4102.50
1995598.50 408.50 534.00 433.00 213.00 136.50 14.00a56.00a43.00 311.00 382.00 578.50 3708.00
1996679.50 476.50 477.00 341.00 273.00 100.50 25.86b19.50 134.50 312.50 450.50 657.50 3947.86
1997683.00 539.50 512.00 381.00 136.50 99.00a19.00 3.00 68.00 315.50 446.00 717.00 3919.50
1998604.00 544.00 509.50 416.50 336.50 73.00 9.00 10.00 65.00a329.00 493.50 788.50 4178.50
1999667.50 592.50 586.50 447.50 329.50a134.50 35.50a18.00a94.50 300.00 403.00 718.00 4327.00
2000709.00 488.00a577.00 320.00 211.50 67.00 24.00 18.50a91.00a283.00a628.50 689.00 4106.50
2001684.00 621.50 510.50 451.00 192.12e138.27b10.71c3.75c65.25d266.00f398.00f692.31e3369.41b
2002690.00c422.00f485.00g383.00 284.44d71.00 6.00 26.00 78.50 379.00 492.50 603.00a3013.44b
2003513.50 559.00 440.00 449.00 269.50 64.00 6.00 0.50 72.00a231.50 591.00 647.50a3843.50
2004636.00 547.50 378.50a333.50 191.50 78.00 6.00 1.50 86.00 282.50 565.00 632.00a3738.00
2005691.50 511.50 430.50 402.00 195.00 115.00 6.50 5.50 121.00 242.00a575.00 672.50 3968.00
2006616.00a557.00a609.50 371.00 207.00 47.00 18.50a20.00 70.50 325.00a480.00a675.00 3996.50
2007815.50 559.00 441.00 366.50 222.50 95.00 0.00 7.50a125.13c275.00h399.00h574.50g2632.13c
2008569.00i576.24d587.59b521.50 240.50 159.50 7.50 20.50 84.50 321.50 447.50 785.00 3751.83a
2009709.00 566.50 614.50 446.00 211.50 39.50 2.50 17.50 68.50a371.50 537.00 825.50 4409.50
2010542.00 459.50a479.50 393.50 298.00 92.00 8.50 15.00 50.50 267.50 514.00 621.00 3741.00
2011624.00 594.50 504.00 449.50 294.50 80.50 9.00 5.50 14.50 230.50 530.50 743.00 4080.00
2012643.50 560.00 550.00 307.50 198.50 92.00 3.50 5.00 32.50 249.50 403.50 690.00 3735.50
2013727.50 550.00 418.50 287.50 135.50 38.00 0.00 0.00 66.00 306.00 510.50 827.50 3867.00
2014613.00 468.50 381.50 295.50 130.50a43.00 3.50 0.00 11.50 115.00 401.50 515.50 2979.00
2015547.50a396.50 302.50 349.50 135.50 9.00 0.00 -----z-----z-----z-----z-----z1740.50e
Period of Record Statistics
MEAN710.65 556.54 517.82 391.46 250.28 100.16 19.34 21.93 98.95 306.68 526.75 707.40 4204.05
S.D.94.86 77.62 79.21 69.15 65.75 42.03 14.99 15.29 48.56 61.15 79.75 80.14 339.87
SKEW0.69 0.04 -0.36 0.11 -0.20 0.47 0.92 0.73 0.40 0.01 0.38 -0.08 -0.59
MAX1001.50 767.50 701.00 538.50 407.50 233.00 70.50 69.50 210.50 473.50 748.50 915.00 4866.67
MIN513.50 383.00 302.50 217.50 84.83 9.00 0.00 0.00 11.50 115.00 363.02 515.50 2979.00
YRS100.00 100.00 99.00 99.00 96.00 99.00 99.00 99.00 98.00 96.00 96.00 100.00 80.00