ASTORIA, OREGON

Monthly Total Heating Degree Days

(350324)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196002
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
1892 0.00 z 0.00 z 0.00 z 525.50 319.50 222.50 150.00 90.50 187.00 322.00 516.00 733.50 3066.50
1893 816.50 701.00 617.00 578.50 385.00 292.50 132.50 84.50 228.00 454.00 583.00 607.50 5480.00
1894 725.50 695.00 666.00 507.00 370.50 246.00 126.50 50.50 185.00 389.00 466.50 749.00 5176.50
1895 760.00 570.00 596.50 469.50 329.00 210.50 128.50 125.50 261.00 295.50 576.00 671.50 4993.50
1896 667.50 536.50 642.00 550.00 425.50 227.50 50.00 59.50 172.50 331.50 702.50 589.00 4954.00
1897 728.00 615.00 723.50 400.50 249.00 146.00 153.00 71.00 213.00 326.00 554.00 610.50 4789.50
1898 731.50 533.00 640.50 452.00 326.00 188.50 144.00 72.50 159.50 340.50 552.00 716.00 4856.00
1899 676.50 698.00 659.50 501.50 453.00 289.50 109.50 152.50 142.00 371.50 357.50 591.50 5002.50
1900 619.50 629.00 499.50 449.00 368.00 217.00 149.00 150.00 202.00 397.50 542.50 584.50 4807.50
1901 749.00 642.00 616.00 557.00 411.00 335.50 242.00 171.00 252.00 245.00 457.00 690.00 5367.50
1902 735.73 a 510.00 633.50 510.50 364.00 241.00 150.50 116.50 218.50 297.50 529.00 664.00 4970.73
1903 0.00 z 670.50 629.00 505.50 362.50 172.50 73.00 92.50 200.50 318.50 548.00 682.50 4255.00
1904 714.00 713.50 708.50 348.00 341.00 248.50 151.00 147.25 a 151.00 261.43 a 370.00 640.50 4794.68
1905 701.00 580.00 494.00 358.50 356.00 236.50 114.00 116.00 180.00 414.00 540.50 710.00 4800.50
1906 669.50 500.00 616.50 391.50 331.50 213.50 64.00 89.50 175.50 255.23 a 531.50 637.50 4475.73
1907 851.50 528.00 662.88 a 417.00 283.00 198.00 91.50 114.50 156.96 b 188.67 b 395.50 571.43 a 4458.95
1908 607.17 b 599.00 491.83 e 365.89 b 319.82 a 151.50 17.50 88.00 125.00 346.50 398.50 725.00 4235.71
1909 856.50 604.00 553.00 445.00 398.00 191.50 130.50 111.71 b 0.00 z 242.50 g 0.00 z 0.00 z 3290.21
1910 537.50 h 668.50 510.50 466.00 317.50 282.50 160.00 199.00 212.00 313.50 527.00 630.00 4286.50
1911 797.00 671.00 540.00 550.00 448.50 319.00 148.50 148.50 225.50 316.00 540.50 686.00 5390.50
1912 667.50 551.50 601.00 509.00 291.00 211.50 140.50 123.00 163.50 391.50 516.50 677.50 4844.00
1913 813.50 646.50 664.00 493.00 363.50 208.50 122.50 90.00 149.00 376.00 510.00 667.50 5104.00
1914 611.00 584.50 481.50 412.50 283.50 264.31 a 129.50 140.50 229.00 266.00 498.00 784.50 4684.81
1915 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
1916 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
1917 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
1918 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
1919 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
1920 740.50 622.50 617.00 554.00 417.00 233.50 95.00 56.50 186.50 386.00 511.50 621.00 5041.00
1921 706.00 583.00 596.00 492.00 378.00 181.50 143.50 114.50 198.00 264.00 492.00 738.00 4886.50
1922 847.00 702.50 697.50 527.50 363.50 165.50 106.00 118.50 154.50 297.50 578.00 334.50 p 4558.00
1923 0.00 z 790.00 691.00 510.50 468.00 326.50 183.50 96.00 160.50 283.00 415.00 664.00 4588.00
1924 743.50 528.50 648.00 506.50 350.00 256.50 160.50 151.00 190.50 357.50 562.00 867.50 5322.00
1925 666.50 526.50 631.50 465.50 291.50 256.50 143.00 173.50 178.50 336.50 538.50 589.00 4797.00
1926 670.00 499.00 446.50 304.50 335.00 179.00 149.00 82.00 l 190.50 h 330.50 462.00 729.50 4105.00
1927 750.00 603.50 652.50 516.50 456.00 216.50 164.50 124.50 188.50 356.00 528.50 814.50 5371.50
1928 752.50 605.00 509.00 487.00 311.00 220.00 131.50 138.50 240.00 358.00 511.00 701.00 4964.50
1929 853.00 728.00 587.50 541.50 359.00 210.50 74.00 68.00 116.00 272.00 551.50 626.50 4987.50
1930 1016.00 555.50 519.50 369.50 399.50 234.00 231.00 47.00 144.50 361.50 518.50 658.00 5054.50
1931 594.50 526.50 508.50 374.00 235.50 184.50 74.50 71.50 202.50 332.22 a 592.00 730.50 4426.72
1932 762.00 674.00 540.00 453.00 337.00 153.00 168.00 75.50 136.00 288.50 475.50 775.00 4837.50
1933 780.00 718.00 610.00 488.50 467.00 269.00 145.00 96.50 246.00 325.00 505.00 567.50 5217.50
1934 564.00 421.50 413.00 310.00 218.00 197.50 126.00 89.00 154.50 294.00 443.50 618.00 3849.00
1935 721.50 512.50 717.00 449.50 357.00 157.50 157.00 109.50 145.00 387.50 600.00 642.50 4956.50
1936 642.00 790.00 645.50 419.00 267.24 b 134.50 85.50 48.00 178.50 283.00 530.50 652.03 a 4675.77
1937 999.23 a 655.50 496.50 531.00 346.50 162.00 109.50 103.00 168.00 216.00 480.50 618.50 4886.23
1938 665.00 619.00 633.50 406.50 333.50 228.00 155.50 155.50 116.00 303.00 580.00 675.00 4870.50
1939 659.02 b 714.00 616.50 418.00 338.50 284.00 129.50 113.00 120.52 a 394.50 525.00 535.50 4848.03
1940 623.50 513.00 486.00 370.50 232.00 138.50 128.50 61.00 107.00 198.00 545.50 576.00 3979.50
1941 568.00 413.50 350.00 374.50 288.50 189.00 44.50 92.50 228.00 286.50 452.00 651.50 3938.50
1942 727.50 533.50 577.00 418.50 378.00 263.50 90.00 67.50 150.00 b 290.00 592.50 677.50 4765.50
1943 867.50 575.00 646.50 436.00 420.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 232.50 p 507.50 h 2945.50
1944 521.50 h 459.00 h 623.62 a 460.00 348.00 234.50 148.00 124.00 160.50 259.50 568.00 737.50 3663.62
1945 676.50 592.00 686.00 540.00 349.50 254.50 133.00 161.50 211.00 372.00 589.50 693.00 5258.50
1946 691.00 633.00 617.50 517.50 299.50 236.00 113.00 157.00 185.50 481.00 639.00 704.50 5274.50
1947 834.50 521.63 a 507.00 405.00 278.00 233.00 121.93 a 156.50 188.00 387.00 593.50 666.00 4892.06
1948 759.50 745.50 695.00 606.50 408.50 171.00 180.00 179.50 245.50 424.50 680.50 872.50 5968.50
1949 1052.50 765.50 640.00 489.50 351.50 296.00 209.50 164.00 203.00 513.50 466.61 b 735.22 a 5886.82
1950 1021.00 649.00 665.50 542.50 432.00 207.00 168.00 112.00 213.00 432.97 a 550.00 547.00 5539.97
1951 751.50 615.00 744.00 426.00 382.50 220.00 136.00 167.00 201.50 375.50 555.00 776.50 5350.50
1952 853.00 690.50 701.50 472.00 352.50 272.00 162.00 155.50 181.00 243.00 598.00 673.00 5354.00
1953 565.50 591.50 629.50 525.50 355.00 287.00 142.50 118.50 155.00 326.00 471.00 620.00 4787.00
1954 799.00 577.00 667.00 536.50 371.50 301.50 225.50 170.00 181.50 350.50 430.00 669.00 5279.00
1955 759.00 678.00 755.00 619.50 468.50 280.00 224.00 190.13 a 228.50 387.50 688.50 753.50 6032.13
1956 718.50 802.68 a 691.00 459.00 320.50 267.00 139.00 127.50 226.00 433.00 573.50 690.50 5448.18
1957 907.50 629.50 595.00 461.50 296.50 177.50 160.00 126.50 65.50 345.50 563.50 618.00 4946.50
1958 600.50 450.50 595.50 463.50 243.50 130.50 75.50 77.50 153.50 265.00 549.50 559.50 4164.50
1959 682.50 625.50 598.00 443.00 356.00 215.00 120.50 171.00 228.00 340.00 542.00 678.50 5000.00
1960 790.00 624.50 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 0.00 z 1414.50
Period of Record Statistics
MEAN 743.71 613.67 604.74 467.53 350.12 224.80 134.38 116.94 182.08 333.68 528.86 672.37 4963.79
S.D. 111.40 88.26 83.47 69.32 60.05 49.94 43.68 39.42 40.12 66.01 69.84 72.88 452.92
SKEW 0.82 0.03 -0.70 -0.22 0.01 0.12 -0.01 0.06 -0.29 0.23 -0.11 0.52 -0.18
MAX 1052.50 802.68 755.00 619.50 468.50 335.50 242.00 199.00 261.00 513.50 702.50 872.50 6032.13
MIN 564.00 413.50 350.00 304.50 218.00 130.50 17.50 47.00 65.50 188.67 357.50 535.50 3849.00
NO YRS 59 62 62 63 63 62 62 61 60 61 61 60 54