PROSPECT 2 SW, OREGON

Monthly Total Heating Degree Days

(356907)

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
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 489.00 0.00 z 1074.00 1563.00
1906 1059.50 0.00 z 797.00 0.00 z 0.00 z 0.00 z 0.00 z 94.03 a 294.50 675.50 0.00 z 0.00 z 2920.53
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 757.50 754.50 457.50 548.50 264.50 16.00 111.00 202.50 467.50 587.50 905.50 5072.50
1909 912.00 765.50 721.00 556.00 441.50 155.00 122.00 52.50 166.00 440.50 740.50 998.50 6071.00
1910 1006.50 839.00 561.00 412.50 272.00 254.50 33.00 117.00 273.50 386.50 728.50 862.00 5746.00
1911 968.50 906.00 601.50 588.50 488.00 214.00 50.00 74.00 342.00 472.50 760.50 959.50 6425.00
1912 896.50 696.50 776.50 0.00 z 331.50 191.50 91.50 110.00 215.50 488.50 f 665.50 939.50 4914.50
1913 1043.00 801.00 765.50 577.00 344.00 230.00 79.00 47.50 187.00 447.00 717.00 843.50 6081.50
1914 800.00 690.00 533.50 483.50 269.00 234.00 7.00 35.50 280.00 426.00 645.00 977.00 5380.50
1915 839.50 689.00 586.00 436.50 422.00 224.50 116.50 12.50 254.00 425.00 755.50 860.50 5621.50
1916 1061.00 622.00 631.50 486.50 483.50 236.00 129.00 76.50 170.50 516.00 774.00 1001.50 6188.00
1917 1004.00 809.50 918.50 642.50 490.50 234.31 a 15.50 15.00 177.50 367.00 598.00 757.00 6029.31
1918 805.00 755.50 673.00 0.00 z 482.00 6.00 y 65.50 107.50 98.00 422.50 765.00 953.00 5127.00
1919 855.50 805.00 749.00 523.50 355.50 241.00 46.00 48.50 239.50 596.00 789.50 921.50 6170.50
1920 818.00 738.00 795.50 665.50 431.00 218.50 67.50 76.50 254.50 569.50 708.00 901.50 6244.00
1921 927.50 714.00 661.50 597.00 442.50 156.00 80.00 79.00 320.00 381.00 647.50 866.50 5872.50
1922 1026.50 819.00 800.50 654.00 378.50 100.50 37.00 109.50 187.00 445.50 774.50 905.50 6238.00
1923 916.00 786.50 721.00 567.50 400.00 265.00 57.00 63.00 195.50 0.00 z 544.50 0.00 z 4516.00
1924 930.50 650.00 795.50 494.00 229.00 200.50 51.50 60.00 206.25 b 326.02 a 568.50 952.50 5464.27
1925 843.50 680.00 669.50 489.50 315.50 219.50 14.00 110.50 294.83 a 510.50 700.00 783.50 5630.83
1926 830.00 641.50 552.50 334.50 353.50 147.00 55.50 87.00 355.00 430.50 575.00 935.50 5297.50
1927 872.00 726.00 767.00 590.00 446.50 127.50 59.50 84.50 289.50 456.00 645.50 934.50 5998.50
1928 843.50 715.50 623.50 615.50 238.00 257.00 71.00 79.00 218.00 492.50 693.00 884.50 5731.00
1929 978.50 854.00 724.50 695.00 386.00 231.00 44.00 30.00 259.00 385.50 653.50 777.50 6018.50
1930 1084.00 695.00 651.00 494.00 476.00 223.00 42.50 48.00 231.00 462.00 647.00 877.50 5931.00
1931 777.00 675.00 653.50 439.00 201.50 178.50 29.50 32.00 246.00 478.50 835.00 928.00 5473.50
1932 997.00 859.50 670.00 588.00 393.50 144.50 85.00 108.00 97.00 410.50 625.00 1033.00 6011.00
1933 1029.50 902.00 742.45 a 547.00 563.00 177.00 20.50 57.00 279.00 327.00 641.50 802.00 6087.95
1934 751.50 602.50 443.00 332.50 254.50 206.00 43.50 18.50 167.50 399.00 644.00 825.50 4688.00
1935 955.00 676.50 825.00 541.50 367.00 157.00 101.50 52.50 77.50 481.50 795.50 826.00 5856.50
1936 850.00 766.00 720.00 437.00 264.50 147.00 43.40 a 29.50 175.50 329.00 622.00 939.50 5323.40
1937 1276.50 855.00 714.00 627.00 344.50 161.00 33.50 80.60 a 174.50 372.50 629.00 794.00 6062.10
1938 860.50 796.50 806.50 516.00 348.50 132.50 39.50 76.00 132.50 468.00 749.50 839.00 5765.00
1939 924.50 879.50 657.00 418.50 320.00 240.00 62.00 33.00 143.00 434.52 a 611.50 736.00 5459.52
1940 785.00 692.50 588.50 471.50 213.00 97.50 40.00 16.00 199.00 434.00 738.00 828.50 5103.50
1941 828.50 645.00 602.50 561.00 359.50 275.00 33.50 87.50 283.50 489.50 582.50 866.00 5614.00
1942 841.00 775.00 706.50 541.50 434.50 225.00 31.50 51.50 115.50 366.50 687.00 852.50 5628.00
1943 916.00 656.00 667.00 437.50 398.50 268.50 35.00 86.50 53.00 461.00 625.00 836.00 5440.00
1944 861.50 785.50 708.00 588.50 350.82 a 250.50 70.00 82.50 154.50 279.50 721.50 786.50 5639.32
1945 833.00 699.00 780.50 530.00 300.00 246.50 47.50 33.50 195.00 526.50 759.50 783.00 5734.00
1946 922.50 228.50 u 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 922.50
1947 954.50 603.50 598.50 469.00 215.50 264.50 64.50 119.50 146.00 419.50 718.00 874.00 5447.00
1948 832.00 877.50 786.50 650.00 439.50 141.50 81.00 64.00 226.00 421.00 780.00 1026.00 6325.00
1949 1197.00 846.50 733.50 429.50 287.50 156.50 61.50 93.50 146.00 551.00 547.00 953.50 6003.00
1950 1100.50 746.00 778.50 564.00 376.13 a 181.00 33.00 31.50 175.50 439.50 627.00 711.50 5764.13
1951 936.00 746.00 807.50 415.50 358.00 142.00 27.50 65.00 90.00 505.50 691.00 1003.00 5787.00
1952 1023.50 806.00 831.50 456.50 351.00 254.00 29.00 66.00 107.50 263.00 786.00 912.00 5886.00
1953 754.50 725.00 740.50 567.93 a 516.50 330.50 46.00 67.50 106.00 448.50 599.50 846.30 a 5748.73
1954 905.00 627.50 749.50 499.50 270.50 277.50 47.50 136.00 236.50 439.00 592.50 872.00 5653.00
1955 975.00 824.50 787.50 706.00 441.00 179.00 141.05 a 52.50 253.50 410.23 a 770.00 838.50 6378.78
1956 854.50 889.50 785.50 500.50 302.77 a 235.00 52.50 91.00 177.50 527.00 679.00 863.00 5957.77
1957 1094.30 a 657.50 687.50 540.50 309.50 131.50 76.50 132.78 a 85.50 514.50 754.00 819.00 5803.08
1958 801.50 576.00 778.00 553.50 192.00 165.00 9.00 2.00 178.50 312.50 649.00 687.50 4904.50
1959 774.50 744.00 670.50 454.50 457.50 149.50 42.50 76.00 236.50 392.50 643.00 864.50 5505.50
1960 912.50 770.00 633.00 555.50 432.00 105.50 19.50 115.50 103.50 392.00 707.00 813.00 5559.00
1961 741.00 649.00 722.00 526.50 392.00 94.00 29.50 8.50 256.00 467.50 748.50 945.00 5579.50
1962 970.00 755.00 782.00 457.00 474.00 208.50 90.50 68.00 102.00 445.00 641.00 749.00 5742.00
1963 939.00 531.00 712.00 645.52 a 303.00 231.00 115.50 76.00 64.00 393.50 667.50 780.50 5458.52
1964 941.50 756.00 778.50 591.50 420.50 199.00 40.50 67.00 201.00 265.50 747.50 866.00 5874.50
1965 870.50 680.00 652.55 a 494.00 398.00 164.00 47.00 55.50 210.50 270.00 613.50 939.50 5395.05
1966 940.50 768.50 643.50 435.00 265.00 181.50 64.50 46.50 110.00 378.50 624.50 819.50 5277.50
1967 867.50 680.00 757.00 727.50 323.50 144.50 10.50 6.50 31.00 404.00 601.00 981.50 5534.50
1968 885.00 551.50 578.50 550.50 351.50 144.00 21.50 102.50 138.00 416.00 680.50 934.50 5354.00
1969 994.00 778.00 666.50 543.00 213.00 120.00 61.00 59.00 128.00 496.50 618.50 805.00 5482.50
1970 780.50 586.50 656.50 681.00 305.00 146.50 13.00 5.50 196.50 402.00 620.50 937.00 5330.50
1971 951.00 748.00 798.50 605.00 384.00 214.00 71.00 16.50 206.00 489.00 724.50 1001.00 6208.50
1972 959.00 709.00 573.00 575.50 299.00 116.00 26.00 50.00 239.00 425.00 700.00 1050.50 5722.00
1973 920.00 599.50 750.50 533.00 238.00 147.50 30.50 73.50 115.50 457.50 752.00 774.50 5392.00
1974 922.50 738.00 710.00 548.00 393.00 85.00 65.50 51.00 47.00 368.00 646.50 882.50 5457.00
1975 959.00 740.00 772.50 695.50 346.50 194.00 42.00 81.00 57.50 494.00 752.00 830.00 5964.00
1976 825.50 750.50 757.50 606.50 302.00 228.00 30.00 101.50 91.00 355.50 558.00 866.50 5472.50
1977 888.00 588.50 758.50 429.50 492.00 58.50 54.50 33.50 174.00 386.50 744.00 764.00 5371.50
1978 730.50 663.00 541.00 559.00 405.21 c 106.20 e 49.27 c 49.50 i 179.50 k 169.50 i 753.00 1022.50 4829.68
1979 920.50 757.00 567.50 519.50 280.50 131.50 35.50 38.50 59.50 300.70 a 683.00 772.00 5065.70
1980 849.00 617.50 724.00 466.03 a 365.00 227.00 26.50 65.00 102.50 351.85 a 636.50 759.50 a 5190.38
1981 674.00 644.50 622.50 457.00 362.70 a 145.50 52.00 20.50 155.50 457.00 600.50 776.00 4967.70
1982 979.00 735.50 714.55 a 592.00 340.00 135.50 64.50 58.00 203.50 403.00 730.50 848.00 5804.05
1983 770.50 641.00 643.50 586.50 334.50 214.00 122.00 28.00 180.00 361.50 703.00 874.50 5459.00
1984 791.50 689.50 605.00 592.00 346.00 236.00 22.50 37.50 182.00 542.50 720.50 903.00 5668.00
1985 794.00 740.00 757.00 418.50 346.50 122.00 6.00 53.50 258.00 433.50 868.00 797.50 5594.50
1986 654.00 600.50 507.00 506.50 349.50 83.00 64.07 a 7.50 327.50 348.50 627.00 779.50 4854.57
1987 844.50 646.00 621.00 346.00 251.50 82.50 93.00 18.50 95.00 184.50 594.00 878.00 4654.50
1988 857.50 584.50 630.50 415.00 377.00 202.00 29.50 19.50 138.00 162.00 684.00 815.00 4914.50
1989 871.00 832.00 674.00 384.50 370.50 95.50 64.07 a 68.50 108.50 435.00 647.59 a 753.00 5304.15
1990 814.50 785.50 591.00 357.50 401.00 168.50 25.50 54.50 56.00 405.50 713.50 1038.00 5411.00
1991 846.50 512.50 726.00 597.00 463.00 234.00 11.00 17.50 46.50 277.00 587.00 816.50 5134.50
1992 770.00 543.00 517.50 383.50 149.50 109.50 31.50 16.50 110.50 326.50 652.00 925.50 4535.50
1993 906.00 734.00 543.50 539.00 244.50 213.50 148.00 68.50 130.50 293.50 756.00 824.00 5401.00
1994 746.50 724.50 552.00 444.00 236.00 150.00 15.00 22.00 81.00 424.00 872.00 861.50 5128.50
1995 690.50 528.00 654.00 539.00 299.50 206.50 26.00 72.50 66.50 357.00 514.50 719.50 4673.50
1996 810.50 644.00 588.50 467.00 402.50 151.50 27.50 39.00 175.50 399.00 594.50 807.50 5107.00
1997 803.00 647.00 590.00 510.00 187.50 205.50 38.00 17.00 92.00 410.50 563.00 848.50 4912.00
1998 742.00 666.50 630.50 513.00 455.00 139.50 7.00 19.12 a 91.50 434.00 a 674.50 936.00 5308.62
1999 797.00 755.00 719.00 542.50 439.68 a 196.00 65.00 45.50 82.50 287.50 511.50 794.50 5235.68
2000 836.00 629.50 667.00 437.50 342.50 100.50 56.50 26.50 145.00 392.00 755.50 789.50 5178.00
2001 747.00 715.00 569.50 566.00 205.00 175.00 40.00 13.50 59.50 333.00 602.50 833.00 4859.00
2002 878.00 595.00 700.00 455.50 340.50 108.50 8.50 66.50 112.50 394.00 590.50 778.50 5028.00
2003 645.50 668.00 579.70 a 604.00 325.00 103.00 6.00 5.68 a 95.17 a 260.40 a 733.97 a 0.00 z 4026.42
2004 802.00 671.50 434.50 415.34 a 363.45 b 122.00 9.00 26.50 134.50 401.45 a 0.00 z 745.50 4125.74
2005 795.50 605.23 b 550.00 502.76 a 278.00 193.33 c 7.00 7.00 165.50 340.00 688.50 795.50 4928.32
2006 829.50 667.33 a 782.50 507.00 e 266.00 56.50 j 14.50 17.50 g 100.50 380.50 687.00 799.00 5033.83
2007 907.30 c 648.00 529.67 b 453.00 236.00 126.72 a 2.50 15.00 f 160.50 439.50 615.50 905.50 5024.20
2008 925.83 e 720.00 713.00 425.00 g 267.50 g 187.50 7.00 25.50 78.50 335.00 551.50 928.50 4472.33
2009 784.00 667.33 a 705.50 513.00 239.45 b 91.00 18.37 d 20.00 h 12.00 i 436.38 e 640.00 876.50 4971.54
2010 497.50 f 588.50 628.50 588.50 338.00 h 181.50 29.00 27.50 g 115.50 326.50 710.00 803.50 3971.50
2011 432.00 n 746.48 c 699.00 611.11 c 477.63 d 213.75 b 53.70 c 10.33 d 63.10 a 368.42 e 681.35 d 846.62 b 4771.49
2012 799.11 d 700.83 b 709.38 a 454.14 a 331.38 b 208.93 b 11.07 c 3.50 h 8.00 w 0.00 z 645.00 1078.50 4938.34
2013 1104.50 736.50 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 28.50 z 1841.00
Period of Record Statistics
MEAN 883.81 709.72 681.34 522.64 350.97 179.29 47.09 56.13 164.83 409.79 674.96 866.87 5552.02
S.D. 110.72 88.57 91.88 85.29 87.50 55.87 31.69 33.48 76.18 82.61 75.50 85.57 428.68
SKEW 0.63 0.07 -0.30 0.05 0.05 0.05 1.05 0.30 0.39 -0.12 0.17 0.42 -0.18
MAX 1276.50 906.00 918.50 727.50 563.00 330.50 148.00 136.00 355.00 675.50 872.00 1078.50 6425.00
MIN 645.50 512.50 434.50 332.50 149.50 58.50 2.50 2.00 31.00 162.00 511.50 687.50 4535.50
NO YRS 104 105 105 101 102 102 104 99 102 102 103 103 90