VERNONIA 2, OREGON

Monthly Total Heating Degree Days

(358884)

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
1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 38.00 u 45.00 163.50 450.00 636.50 838.50 2133.50
1968 841.00 611.07 a 599.50 597.50 397.00 258.50 123.00 190.00 237.50 513.50 648.00 914.50 5931.07
1969 1067.00 784.00 690.00 565.50 338.00 121.00 176.00 221.00 246.00 519.00 617.50 773.50 6118.50
1970 833.50 612.50 675.00 655.50 429.00 199.00 146.00 143.00 328.50 514.50 666.50 849.00 6052.00
1971 875.00 706.00 807.50 591.00 383.50 345.00 142.08 a 62.50 328.50 520.50 677.50 893.32 a 6332.40
1972 905.00 737.00 630.50 656.00 344.50 228.00 77.00 114.00 331.00 517.00 662.00 1027.00 6229.00
1973 927.00 650.74 a 695.50 521.50 399.68 c 247.00 137.50 214.50 217.00 493.00 750.00 726.43 a 5979.85
1974 972.00 718.00 706.00 576.00 501.00 253.45 a 190.00 108.50 129.50 459.50 633.50 776.00 6023.45
1975 829.50 774.50 770.50 685.00 425.50 289.00 136.00 207.50 221.50 501.50 714.00 787.00 6341.50
1976 790.50 764.00 756.00 600.50 400.00 314.00 172.00 160.00 185.00 446.50 609.00 844.50 6042.00
1977 934.00 637.00 743.50 474.00 497.50 208.00 174.50 90.00 257.50 477.50 752.50 764.00 6010.00
1978 783.50 595.50 560.00 495.00 435.00 169.66 a 110.50 125.00 228.00 426.00 867.00 988.50 5783.66
1979 1122.50 764.50 615.00 529.00 353.50 231.50 124.50 124.50 175.00 379.00 698.50 708.50 5826.00
1980 1001.50 686.14 d 682.00 465.50 409.00 324.00 123.50 185.00 242.00 449.50 633.00 780.00 5981.14
1981 767.50 649.00 617.00 547.50 439.00 290.50 179.50 88.00 234.64 b 494.50 626.00 806.50 5739.64
1982 952.50 737.00 696.00 614.50 419.00 200.00 160.00 127.50 208.50 443.00 735.00 a 841.50 6134.50
1983 758.00 592.50 574.00 513.50 315.00 260.50 157.00 103.50 285.50 474.50 602.50 1009.50 5646.00
1984 791.00 654.50 532.50 573.00 455.00 261.00 139.00 133.00 239.50 525.00 679.00 941.50 5924.00
1985 935.50 780.50 724.50 473.50 397.50 237.50 49.00 132.50 310.50 523.50 939.00 1007.50 6511.00
1986 771.50 675.00 532.50 560.00 409.50 155.00 182.50 42.50 275.00 366.50 624.00 825.50 5419.50
1987 847.50 655.00 647.50 494.00 350.00 232.00 180.00 140.50 214.00 445.00 632.50 935.50 5773.50
1988 879.50 688.00 701.50 0.00 z 464.50 307.00 179.00 178.00 284.00 343.50 679.50 861.00 5565.50
1989 834.00 951.00 736.00 467.50 421.00 217.50 221.00 124.50 203.00 492.00 631.00 801.50 6100.00
1990 801.00 843.50 603.00 456.00 427.00 230.00 77.00 106.00 111.50 543.00 656.00 1044.00 5898.00
1991 904.50 534.00 743.50 564.50 484.50 318.50 106.00 109.50 194.50 493.00 649.00 804.00 5905.50
1992 784.50 570.00 525.00 443.50 309.50 204.00 101.50 122.50 282.00 453.00 678.00 905.50 5379.00
1993 1018.00 821.00 628.00 546.00 273.00 261.00 226.00 149.50 223.50 388.50 838.00 865.50 6238.00
1994 742.50 798.00 611.50 484.50 381.50 306.00 139.50 149.50 164.50 553.50 813.00 837.00 5981.00
1995 782.50 625.00 685.00 571.50 342.50 253.00 126.50 199.00 126.50 483.00 577.50 818.00 5590.00
1996 813.00 789.00 665.50 486.50 482.50 288.00 117.00 130.00 305.50 520.00 692.50 839.50 6129.00
1997 851.50 708.50 694.50 570.50 310.50 274.50 161.50 67.50 167.00 495.00 611.00 865.00 5777.00
1998 796.00 638.00 639.00 560.50 426.50 207.00 66.00 117.50 185.50 491.50 626.00 892.50 5646.00
1999 816.50 726.50 733.50 628.00 514.50 297.50 188.00 120.00 294.00 518.50 584.00 775.50 6196.50
2000 892.00 731.50 739.00 492.50 407.50 213.50 190.00 203.00 276.50 528.50 807.50 839.50 6321.00
2001 842.50 777.50 669.50 619.00 396.00 341.00 197.00 114.00 230.50 549.50 624.00 849.50 6210.00
2002 832.00 715.00 770.50 541.50 491.50 248.50 108.50 156.50 271.00 570.50 682.00 803.00 6190.50
2003 722.00 715.00 615.00 577.00 428.00 218.00 121.50 111.00 200.00 376.00 781.50 828.00 5693.00
2004 899.50 702.00 616.50 473.00 385.50 205.50 92.50 60.00 271.50 426.00 699.50 790.00 5621.50
2005 806.00 731.00 611.50 532.00 330.50 284.50 138.50 112.00 326.50 432.00 745.00 873.50 5923.00
2006 735.00 804.50 742.50 558.50 396.50 247.50 154.00 194.50 226.50 511.00 678.50 826.31 b 6075.31
2007 922.00 665.50 618.00 555.50 401.00 289.50 102.50 141.00 295.50 538.50 675.00 861.00 6065.00
2008 936.00 712.00 752.50 672.50 384.00 320.00 145.50 134.00 246.00 520.00 597.00 797.00 f 5419.50
2009 914.50 b 753.00 793.00 588.00 434.50 223.00 95.50 0.00 z 224.00 518.50 680.50 1019.00 6243.50
2010 693.50 618.00 664.50 589.00 608.00 324.31 a 157.00 147.00 198.00 458.00 728.00 797.00 5982.31
2011 824.00 803.00 706.00 666.00 522.00 285.50 155.00 107.00 141.00 445.50 712.50 873.50 6241.00
2012 834.50 670.00 681.50 473.50 407.00 288.00 109.00 118.50 231.00 485.50 617.00 818.50 5734.00
2013 924.50 686.00 546.50 g 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 1610.50
Period of Record Statistics
MEAN 858.85 707.85 671.13 552.39 411.73 255.05 141.22 131.78 233.43 479.85 684.07 856.13 5968.94
S.D. 90.44 80.56 71.15 63.82 64.56 50.31 40.18 43.58 56.62 52.71 77.42 79.97 253.92
SKEW 0.71 0.34 -0.20 0.22 0.43 -0.32 -0.09 0.14 -0.14 -0.74 1.26 0.77 -0.29
MAX 1122.50 951.00 807.50 685.00 608.00 345.00 226.00 221.00 331.00 570.50 939.00 1044.00 6511.00
MIN 693.50 534.00 525.00 443.50 273.00 121.00 49.00 42.50 111.50 343.50 577.50 708.50 5379.00
NO YRS 46 46 45 44 45 45 45 45 46 46 46 45 42