PROSPECT 2 SW, OR

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(356907)

Base Temperature = 65 F

File last updated on Mar 29, 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
1905-----z-----z-----z-----z-----z-----z-----z-----z-----z489.00 -----z1029.00a1518.00j
19061027.50a-----z762.50a-----z-----z-----z-----z86.50i198.50f474.50i-----z-----z1790.00j
1907-----z530.50f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1908-----z734.00a728.79b457.50 525.00a264.50 16.00 111.00 202.50 467.50 587.50 880.50a4974.79a
1909868.85e765.50 721.00 525.50a441.50 151.50a122.00 52.50 166.00 440.50 721.50a998.50 5974.85
19101006.50 839.00 561.00 412.50 272.00 254.50 33.00a117.00a273.50 371.50a713.61b862.00 5716.11
1911968.50 906.00 601.50 588.50 488.00 214.00 50.00 74.00 342.00 472.50 760.50 933.50a6399.00
1912896.50 696.50 776.50 -----z331.50 179.70b91.50 110.00 215.50 488.50f648.00a939.50 4885.20b
19131029.31b801.00 765.50 577.00 344.00 230.00 79.00 47.50 187.00 447.00 680.96c843.50 6031.77
1914800.00 690.00 533.50 483.50 269.00 234.00 7.00 29.00a280.00 426.00 633.50a977.00 5362.50
1915839.50 689.00 586.00 436.50 422.00 224.50 116.50 12.50 254.00 425.00 755.50 860.50 5621.50
19161061.00 622.00 631.50 486.50 483.50 236.00 129.00 76.50 170.50 516.00 759.50a1001.50 6173.50
19171004.00 809.50 918.50 642.50 490.50 224.23b15.50 15.00 177.50 367.00 598.00 757.00 6019.23
1918805.00 728.00a644.50a-----z469.50a6.00y61.50a107.50 98.00 404.48b723.33d953.00 4994.81b
1919855.50 805.00 749.00 523.50 355.50 241.00 46.00 48.50a239.50 596.00 789.50 921.50 6170.50
1920818.00 738.00 795.50 665.50 431.00 218.50 67.50 76.50 254.50 569.50 708.00 901.50 6244.00
1921927.50 688.50a661.50 597.00 442.50 156.00 80.00 79.00 320.00 381.00 647.50 866.50 5847.00
19221026.50 819.00 800.50 654.00 378.50 100.50 37.00 109.50 187.00 445.50 774.50 881.00a6213.50
1923916.00 786.50 721.00 567.50 400.00 265.00 57.00 63.00 179.00a-----z533.00a-----z4488.00b
1924930.50 634.50a795.50 494.00 229.00 200.50 51.50 60.00 182.59c315.50a568.50 916.50a5378.59
1925843.50 658.38b669.50 489.50 315.50 219.50 14.00 110.50 285.00a510.50 700.00 783.50 5599.38
1926830.00 641.50 552.50 334.50 353.50 147.00 55.50 87.00 355.00 430.50 575.00 935.50 5297.50
1927872.00 726.00 767.00 590.00 446.50 127.50 59.50 84.50 289.50 456.00 626.00a934.50 5979.00
1928843.50 715.50 623.50 615.50 238.00 257.00 71.00 79.00 218.00 492.50 693.00 856.50a5703.00
1929978.50 854.00 724.50 672.00a386.00 231.00 44.00 24.50a255.00a385.50 653.50 777.50 5986.00
19301084.00 695.00 651.00 494.00 476.00 223.00 42.50 48.00 231.00 462.00 647.00 854.50a5908.00
1931777.00 675.00 653.50 439.00 201.50 178.50 29.50 32.00 246.00 478.50 835.00 928.00 5473.50
1932997.00 859.50 670.00 588.00 393.50 144.50 85.00 108.00 97.00 410.50 625.00 1033.00 6011.00
19331029.50 902.00 718.50a547.00 563.00 177.00 20.50 57.00 279.00 327.00a641.50 802.00 6064.00
1934751.50 602.50 443.00 332.50 254.50 206.00 43.50 18.50 167.50 399.00 644.00 825.50 4688.00
1935955.00 676.50 825.00 541.50 367.00 157.00 101.50 52.50 77.50 481.50 795.50 826.00 5856.50
1936850.00 766.00 720.00 437.00 264.50 147.00 42.00a29.50 175.50 329.00 622.00 912.50a5295.00
19371276.50 855.00 714.00 627.00 344.50 161.00 33.50 78.00a174.50 372.50 629.00 794.00 6059.50
1938860.50 778.50a806.50 516.00 348.50 132.50 39.50 76.00 132.50 468.00 749.50 839.00 5747.00
1939924.50 879.50 657.00 418.50 320.00 240.00 62.00 33.00 143.00 420.50a611.50 736.00 5445.50
1940785.00 692.50 588.50 471.50 213.00 97.50 40.00 16.00 199.00 434.00 738.00 828.50 5103.50
1941828.50 645.00 602.50 561.00 359.50 275.00 33.50 87.50 283.50 489.50 582.50 866.00 5614.00
1942841.00 775.00 706.50 541.50 434.50 225.00 31.50 51.50 115.50 366.50 687.00 852.50 5628.00
1943916.00 656.00 667.00 437.50 398.50 268.50 35.00 86.50 53.00 461.00 625.00 836.00 5440.00
1944861.50 785.50 708.00 588.50 339.50a250.50 70.00 82.50 154.50 279.50 721.50 786.50 5628.00
1945833.00 699.00 780.50 530.00 312.32c246.50 41.50a33.50 195.00 507.93b759.50 603.50g4938.75a
1946922.50 228.50u-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z922.50k
1947954.50 603.50 598.50 469.00 205.50a264.50 64.50 119.50 146.00 419.50 718.00 874.00 5437.00
1948832.00 877.50 786.50 650.00 439.50 141.50 81.00 64.00 226.00 421.00 780.00 1026.00 6325.00
19491197.00 846.50 733.50 429.50 287.50 156.50 61.50 93.50 146.00 551.00 547.00 953.50 6003.00
19501100.50 746.00 778.50 564.00 364.00a181.00 33.00 31.50 175.50 439.50 627.00 711.50 5752.00
1951936.00 746.00 807.50 415.50 358.00 142.00 27.50 65.00 90.00 489.50a691.00 1003.00 5771.00
19521023.50 806.00 831.50 456.50 351.00 254.00 29.00 66.00 107.50 263.00 786.00 912.00 5886.00
1953754.50 725.00 740.50 549.00a516.50 330.50 46.00 67.50 106.00 448.50 599.50 819.00a5702.50
1954905.00 627.50 749.50 499.50 270.50 277.50 47.50 136.00 236.50 439.00 592.50 872.00 5653.00
1955975.00 824.50 787.50 706.00 441.00 179.00 136.50a52.50 253.50 397.00a770.00 838.50 6361.00
1956854.50 889.50 785.50 500.50 293.00a235.00 52.50 91.00 177.50 527.00 679.00 863.00 5948.00
19571059.00a657.50 687.50 540.50 309.50 131.50 76.50 128.50a85.50 514.50 754.00 819.00 5763.50
1958801.50 576.00 778.00 553.50 192.00 165.00 9.00 2.00 178.50 312.50 649.00 687.50 4904.50
1959774.50 744.00 670.50 454.50 457.50 149.50 42.50 76.00 236.50 392.50 643.00 864.50 5505.50
1960912.50 770.00 633.00 555.50 432.00 105.50 19.50a105.50a103.50 392.00 707.00 813.00 5549.00
1961741.00 649.00 722.00 526.50 392.00 94.00 29.50 8.50 256.00 442.00a748.50 945.00 5554.00
1962970.00 755.00 782.00 457.00 474.00 208.50 90.50 68.00 102.00 445.00 641.00 749.00 5742.00
1963939.00 531.00 712.00 624.00a303.00 231.00 115.50 76.00 64.00 393.50 667.50 780.50 5437.00
1964941.50 730.00a778.50 591.50 420.50 199.00 40.50 67.00 201.00 265.50 747.50 866.00 5848.50
1965870.50 680.00 631.50a494.00 398.00 164.00 47.00 55.50 210.50 270.00 613.50 939.50 5374.00
1966940.50 768.50 643.50 435.00 265.00 181.50 64.50 46.50 110.00 378.50 624.50 819.50 5277.50
1967867.50 680.00 757.00 727.50 323.50 144.50 10.50 6.50 31.00 404.00 601.00 981.50 5534.50
1968885.00 551.50 578.50 550.50 351.50 144.00 21.50 102.50 138.00 416.00 680.50 934.50 5354.00
1969994.00 778.00 666.50 543.00 213.00 120.00 61.00 59.00 128.00 496.50 618.50 805.00 5482.50
1970780.50 586.50 656.50 681.00 305.00 146.50 13.00 5.50 196.50 402.00 620.50 937.00 5330.50
1971951.00 748.00 798.50 605.00 384.00 214.00 71.00 16.50 206.00 489.00 724.50 1001.00 6208.50
1972959.00 709.00 573.00 575.50 299.00 116.00 26.00 50.00 239.00 425.00 700.00 1050.50 5722.00
1973920.00 599.50 750.50 533.00 238.00 147.50 30.50 73.50 115.50 457.50 752.00 774.50 5392.00
1974922.50 738.00 710.00 548.00 393.00 85.00 65.50 51.00 47.00 368.00 646.50 882.50 5457.00
1975959.00 740.00 772.50 695.50 346.50 194.00 42.00 81.00 57.50 494.00 752.00 830.00 5964.00
1976825.50 750.50 757.50 606.50 302.00 228.00 30.00 101.50 91.00 355.50a558.00 866.50 5472.50
1977888.00 588.50 758.50 429.50 492.00 58.50 54.50 33.50 174.00 386.50 744.00 764.00 5371.50
1978730.50 632.50a541.00 559.00 388.89d102.66e47.68c49.50i179.50k169.50i753.00 989.50a4744.73c
1979920.50 757.00 567.50 519.50 274.00a131.50 35.50a38.50 59.50 291.00a683.00 772.00 5049.50
1980849.00 617.50 724.00 450.50a365.00 226.00a26.50 65.00 102.50 340.50a636.50 733.45b5136.45
1981674.00 644.50 608.00a457.00 351.00a145.50 50.50a20.50 155.50 416.25c600.50 776.00 4899.25
1982948.21c710.50a694.14b581.55b334.14b140.86b67.50c54.00a203.50a394.14b730.50 823.00a5682.04
1983730.50a622.00a643.50 574.00a334.50a214.00a122.00a28.00 174.00 342.86c681.50a848.28b5315.13
1984747.22d671.50a592.50a592.43b342.93b228.78c25.96e38.57c188.50b517.78d699.22c872.50a5517.89
1985776.50a713.00a755.50 415.32b341.90b122.00 6.00 53.00 247.00a428.57c841.00c772.00a5471.79
1986641.50 577.00a496.00a489.89b344.00a83.00 58.93c8.04c316.50a337.00a617.80b775.50 4745.16
1987821.90b614.00a621.00 334.50a251.50 77.16b93.00 18.50a95.00a183.75c579.00a878.00 4567.31
1988823.93c561.08c614.50a395.80c370.00 209.21b22.50a17.00 138.00 162.00 693.50 801.11d4808.63
1989871.00 832.00 651.50a381.14b361.03b90.00a67.50e69.83b95.37d420.00c615.73b723.10b5178.21
1990814.50 785.50 602.31e341.02c378.00a168.50a23.28b54.81e60.15c403.85e689.02c837.00f4320.92a
1991820.00a492.46e697.24b584.50a450.54c231.42e11.54e12.12e42.50a263.33d580.54c798.00a4984.18
1992737.00a523.50a508.50a363.66e153.33d112.38b27.86c16.50 117.61c325.18c525.00f894.00a3779.52a
1993883.50a705.78c520.71c527.91c178.00g241.28e145.96e70.34b123.50a286.11d729.00a800.17b5034.27a
1994722.50 699.75d545.69b442.81d246.11d150.37c16.07c16.50f87.00c401.90b843.07b840.00a4995.27a
1995667.00a405.50f636.96c542.94c282.78d207.30c27.12e63.00f66.50 361.50 473.67c695.17b3960.94b
1996782.07b624.00a571.00a456.23b384.00a145.50a25.86b40.18c175.50 395.50a571.20b784.66b4955.69
1997637.00g621.00a496.00f394.50g143.50h144.00i43.85e16.15e65.50g292.50h457.50f796.15e1477.15h
1998718.33d647.48b525.50f508.66e365.50g122.00h6.35e10.00h68.00j289.00j657.52d906.35e3444.69f
1999642.00f726.19d592.50f414.50g283.00k143.00h36.00i43.27e80.00f216.00g498.58d764.48b2032.52h
2000677.00f480.50g501.50h308.00h244.00i73.50g32.00g15.50i123.00h315.50h744.72e765.00a1509.72j
2001554.50h687.94d424.50h425.50i170.50i116.00j22.00j5.50g68.60d219.50l475.00f818.79b1575.33i
2002850.00d478.50f534.50g334.50i251.50j64.50j8.50j52.50i76.00i316.00f483.00f596.00g850.00k
2003612.22d483.50g453.50g410.50j260.00h96.00g4.00f4.00g55.50h176.00l566.50g747.00a1359.22j
2004762.12e651.28d309.50i325.50g299.00f99.00f8.00f25.00d115.50g305.00h659.00a587.00g2097.40h
2005640.50f425.50h546.11d311.00k212.50h150.00h7.00h8.08e148.50f284.00g553.50f755.17b1309.36i
2006792.12e655.63e755.00d404.50f255.58e48.00l10.38e17.50g100.50 357.86c686.50 766.07c4379.64c
2007867.12e606.38d513.89d442.00a211.15e131.08e2.78d15.00g164.52d428.00a605.50a714.00f3972.41b
2008713.00g683.20d713.00 385.00i267.50g181.52c7.24b25.50a80.02c324.83b549.93c887.78d3453.01c
2009762.78d626.50a684.11c511.00a231.72b98.00 17.78d20.00h12.00i422.31e603.63c842.14c4799.97b
2010497.50f559.00a610.34b570.16b338.00h180.00a29.00 27.50g114.50a311.50a685.12b764.00a3823.63c
2011432.00n719.82c699.00 590.74c462.22d206.62b51.96c10.00d61.00a356.54e658.63d819.31b4635.86a
2012773.33d676.67b686.50a439.00a320.69b201.96b10.71c3.50h8.00w-----z580.00a688.50f3688.87d
2013714.50f671.50a546.00a460.00a266.67d121.00 0.52b10.56d149.00g407.88e589.67c747.50f3073.79c
2014691.73e596.70c456.00f442.25b227.59b109.87d9.00 8.04c37.50k230.50f559.70e469.50h2644.87d
2015631.03b409.50f-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z631.03k
Period of Record Statistics
MEAN873.71 705.20 681.27 519.40 349.46 180.55 47.33 56.09 166.97 407.22 668.43 854.30 5598.35
S.D.117.06 90.96 91.64 87.36 86.74 56.57 31.88 33.65 75.97 78.89 76.32 82.95 411.10
SKEW0.42 0.14 -0.23 0.02 0.09 0.03 1.02 0.27 0.30 -0.46 0.06 0.36 -0.29
MAX1276.50 906.00 918.50 727.50 563.00 330.50 145.96 136.00 355.00 596.00 843.07 1050.50 6399.00
MIN612.22 492.46 443.00 332.50 153.33 58.50 0.52 2.00 31.00 162.00 473.67 687.50 4567.31
YRS99.00 101.00 98.00 94.00 94.00 95.00 99.00 93.00 93.00 93.00 100.00 98.00 77.00