ASTORIA RGNL AP, OREGON

Monthly Total Heating Degree Days

(350328)

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
1953 0.00 z 601.50 633.00 518.50 386.50 302.00 146.50 123.50 177.00 333.50 462.00 609.50 4293.50
1954 767.00 559.00 690.50 554.50 393.00 323.50 227.50 166.50 193.00 380.00 433.50 669.00 5357.00
1955 744.00 666.00 734.00 644.50 489.00 300.50 223.00 208.50 257.50 398.00 664.50 727.50 6057.00
1956 718.50 771.50 689.50 496.00 345.00 296.00 144.50 159.00 235.00 455.50 608.00 703.00 5621.50
1957 905.00 632.50 601.00 485.50 335.50 217.00 188.00 151.00 108.00 369.00 572.50 620.00 5185.00
1958 592.00 442.00 628.50 497.00 293.00 134.00 92.50 98.00 197.50 309.00 559.50 539.50 4382.50
1959 660.00 617.50 621.50 468.00 398.50 245.00 154.50 193.00 259.50 352.50 553.00 709.00 5232.00
1960 765.50 618.50 626.00 476.50 435.00 262.00 186.50 161.00 240.00 357.00 543.00 667.50 5338.50
1961 549.50 518.00 597.00 525.50 384.00 191.00 114.00 118.50 261.00 434.00 639.00 704.00 5035.50
1962 773.00 596.50 674.50 501.00 457.00 305.50 211.50 140.50 199.50 361.50 487.00 634.00 5341.50
1963 871.50 430.00 618.50 510.00 373.00 276.00 148.00 122.50 125.50 313.50 518.00 638.00 4944.50
1964 662.50 659.50 643.00 575.50 482.50 293.50 180.50 183.50 227.00 349.50 605.50 776.00 5638.50
1965 703.50 582.00 552.50 473.00 439.50 266.00 151.50 105.50 243.00 301.00 486.00 765.00 5068.50
1966 705.00 628.00 661.50 480.50 450.00 272.50 167.50 150.00 176.50 412.50 518.00 604.00 5226.00
1967 658.50 611.50 706.50 631.00 412.00 203.00 125.00 75.00 144.00 374.00 508.00 738.50 5187.00
1968 712.50 508.50 567.00 568.00 396.50 267.50 130.00 159.50 222.00 447.00 538.50 790.00 5307.00
1969 952.50 692.00 642.00 547.00 358.00 167.50 200.00 196.50 235.00 434.50 556.00 648.00 5629.00
1970 719.50 524.50 624.00 592.50 423.00 258.50 179.00 149.50 271.00 435.00 538.50 751.50 5466.50
1971 753.00 639.00 712.50 556.00 423.50 314.50 173.50 91.00 219.00 428.00 546.00 737.50 5593.50
1972 775.50 631.50 534.00 552.50 321.00 203.50 106.00 69.00 237.00 395.50 533.00 818.50 5177.00
1973 761.00 579.00 640.50 484.00 361.50 253.50 170.50 230.50 220.00 429.50 623.00 616.00 5369.00
1974 809.50 645.50 632.00 510.00 449.50 266.50 182.50 100.50 136.00 405.50 509.50 603.50 5250.50
1975 686.50 613.00 659.50 603.50 380.00 283.00 139.00 165.00 191.00 436.50 566.00 632.00 5355.00
1976 648.50 648.50 660.50 490.00 381.00 277.00 125.50 111.00 135.50 369.00 510.00 668.00 5024.50
1977 780.00 511.00 634.50 483.50 460.50 245.00 197.50 88.50 240.50 412.50 612.00 653.00 5318.50
1978 651.00 531.50 558.50 488.00 396.00 169.00 133.00 118.00 209.00 331.50 700.50 849.50 5135.50
1979 920.50 650.00 549.00 475.00 346.50 248.00 95.50 100.00 118.50 313.00 544.00 547.50 4907.50
1980 814.50 538.50 626.00 465.50 395.00 287.00 146.00 192.50 191.50 318.00 446.00 542.50 4963.00
1981 522.00 515.50 525.50 465.00 361.50 219.50 146.50 114.50 180.00 380.50 481.00 613.00 4524.50
1982 724.00 589.50 615.50 546.50 397.50 221.50 178.50 118.00 159.50 295.00 553.50 666.50 5065.50
1983 550.00 414.50 439.00 444.50 289.00 156.00 118.50 107.00 255.50 452.50 493.00 841.50 4561.00
1984 666.50 567.50 516.00 549.00 439.50 284.00 169.50 159.50 203.00 457.00 551.00 787.50 5350.00
1985 797.00 692.50 689.50 499.00 391.00 258.00 136.50 179.50 266.00 445.50 775.50 798.00 5928.00
1986 562.00 586.50 489.00 527.00 381.00 200.50 197.50 126.50 278.00 315.00 513.50 639.00 4815.50
1987 662.00 524.00 527.50 438.50 312.50 234.50 178.50 146.50 204.00 337.50 463.00 749.00 4777.50
1988 722.00 558.00 608.50 484.50 389.00 281.00 169.00 181.50 257.50 296.50 529.50 672.00 5149.00
1989 709.50 782.50 619.00 407.00 368.50 205.00 163.50 141.50 156.00 380.00 475.00 650.50 5058.00
1990 630.00 613.00 541.00 442.00 374.00 227.50 87.50 81.50 134.00 431.00 516.00 871.00 4948.50
1991 734.50 476.00 674.00 545.50 442.50 316.50 175.50 164.00 154.00 427.00 533.00 637.00 5279.50
1992 616.00 485.00 498.50 423.00 318.00 197.00 135.50 153.50 262.00 385.50 562.50 755.50 4792.00
1993 810.00 648.50 547.50 475.50 273.50 225.50 188.00 149.50 253.50 338.00 683.00 693.00 5285.50
1994 618.00 642.50 524.00 450.50 348.50 256.00 172.00 102.00 149.50 456.00 694.00 703.00 5116.00
1995 578.50 527.50 578.00 499.50 346.50 246.00 105.00 162.00 120.50 373.50 433.00 613.00 4583.00
1996 700.00 607.00 572.50 439.00 433.00 257.50 145.50 144.50 247.00 415.50 580.50 664.50 5206.50
1997 665.50 594.50 592.00 484.50 259.50 208.00 113.00 51.00 105.00 382.50 444.00 656.00 4555.50
1998 597.50 511.50 574.50 506.00 404.50 278.50 155.50 120.00 194.00 392.50 535.00 716.00 4985.50
1999 680.50 581.50 636.50 529.00 422.00 256.00 183.00 110.50 227.00 389.00 318.00 547.00 4880.00
2000 677.00 555.50 605.00 416.00 346.50 210.50 95.50 116.50 168.50 278.00 552.00 623.50 4644.50
2001 639.00 616.50 586.00 544.00 377.00 293.50 199.50 141.00 222.50 421.00 491.50 641.50 5173.00
2002 676.00 584.50 645.50 495.50 435.00 221.00 120.50 158.00 194.50 407.50 491.50 602.50 5032.00
2003 515.00 584.50 539.00 497.00 389.50 199.50 107.00 112.50 166.50 297.00 591.00 649.00 4647.50
2004 685.50 561.50 526.50 423.50 311.50 169.00 83.00 49.00 199.00 355.00 564.00 612.50 4540.00
2005 630.00 569.00 516.50 457.00 275.00 200.50 94.50 88.50 269.00 366.50 595.50 667.00 4729.00
2006 583.00 625.50 626.50 485.00 368.50 195.00 151.50 184.00 203.50 434.00 555.00 691.00 5102.50
2007 773.00 591.50 568.50 515.50 379.00 263.50 102.00 117.00 234.50 433.00 595.50 706.50 5279.50
2008 762.50 620.00 674.00 594.00 378.50 324.00 200.00 148.00 195.50 386.50 453.50 772.50 5509.00
2009 676.50 633.50 666.50 505.50 367.00 179.00 116.50 103.00 156.00 361.50 496.50 769.00 5030.50
2010 519.50 483.50 522.50 491.50 434.00 261.50 179.50 165.50 160.00 370.50 608.50 634.50 4831.00
2011 705.00 684.50 617.50 603.00 459.00 248.50 184.00 126.50 162.00 367.00 613.00 771.00 5541.00
2012 705.00 607.00 663.00 487.50 419.00 296.00 177.00 147.50 216.00 391.00 507.50 656.00 5272.50
2013 747.50 567.50 565.50 13.50 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 1880.50
Period of Record Statistics
MEAN 698.33 587.68 603.41 505.38 384.27 245.30 152.80 134.96 200.39 381.24 543.83 683.86 5123.81
S.D. 95.34 71.91 62.64 52.41 52.33 45.51 36.71 38.29 46.70 48.42 75.22 77.86 346.17
SKEW 0.31 0.02 -0.23 0.56 -0.33 -0.31 -0.12 0.01 -0.26 -0.27 0.31 0.37 0.13
MAX 952.50 782.50 734.00 644.50 489.00 324.00 227.50 230.50 278.00 457.00 775.50 871.00 6057.00
MIN 515.00 414.50 439.00 407.00 259.50 134.00 83.00 49.00 105.00 278.00 318.00 539.50 4382.50
NO YRS 60 61 61 60 60 60 60 60 60 60 60 60 59