KOSMOS, WASHINGTON

Monthly Total Heating Degree Days

(454286)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196511
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 432.50 f 655.50 809.21 b 1464.71
1906 795.50 573.00 455.50 h 313.27 d 343.00 225.50 12.00 54.00 158.79 a 374.50 653.00 778.50 4281.06
1907 1001.82 a 639.50 716.00 501.50 228.76 b 152.59 a 37.20 a 109.00 177.50 272.50 221.50 r 777.50 4613.86
1908 637.50 f 423.00 m 537.50 g 356.50 g 402.00 177.93 a 23.00 f 85.00 208.00 409.50 539.50 886.71 b 2708.64
1909 992.50 660.00 645.00 532.50 377.00 147.93 a 111.00 116.25 a 220.34 a 431.93 a 725.00 c 1080.50 6039.96
1910 996.50 904.00 576.00 0.00 z 280.00 223.00 105.50 163.00 245.00 405.50 683.00 786.50 5368.00
1911 897.50 790.50 586.00 552.00 410.00 261.00 79.50 111.50 295.00 462.00 707.50 832.00 5984.50
1912 851.00 642.66 a 669.50 542.00 198.50 l 156.00 91.00 122.50 226.00 541.50 654.50 817.50 5314.16
1913 996.50 790.50 756.00 489.50 353.50 155.00 85.77 a 65.00 202.00 486.50 594.00 759.00 5733.27
1914 742.45 a 639.00 460.50 f 439.00 227.00 145.86 a 13.95 a 18.60 a 205.00 288.50 492.50 861.50 4073.36
1915 790.50 582.50 501.17 a 352.50 340.00 162.50 149.50 86.00 j 0.00 z 0.00 z 0.00 z 408.50 o 2878.67
1916 1134.50 625.00 598.00 412.50 423.50 173.50 73.88 a 62.00 135.00 529.00 639.00 0.00 z 4805.88
1917 286.50 u 0.00 z 0.00 z 573.50 390.50 267.00 91.00 42.00 139.00 220.00 h 17.50 z 662.00 2165.00
1918 756.50 695.50 601.00 476.90 a 488.00 89.50 92.50 50.24 b 21.50 o 363.50 544.50 751.00 4909.14
1919 811.00 692.50 627.50 439.50 325.00 232.00 33.00 48.50 273.50 233.00 p 602.50 978.50 5063.50
1920 807.00 748.00 660.00 632.50 474.00 236.50 40.50 48.50 131.00 p 0.00 z 0.00 z 0.00 z 3647.00
1921 0.00 z 0.00 z 0.00 z 554.00 319.00 245.00 62.50 42.00 302.50 384.00 551.50 826.00 3286.50
1922 996.13 a 763.50 697.50 502.00 378.50 41.38 a 70.50 61.00 f 0.00 z 0.00 z 0.00 z 1016.11 d 4465.62
1923 784.82 a 0.00 z 0.00 z 0.00 z 248.00 f 177.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 961.82
1924 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
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 88.50 f 172.50 467.00 680.50 689.50 2009.50
1926 797.00 585.50 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 1382.50
1927 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 500.00 f 868.52 a 868.52
1928 0.00 z 0.00 z 574.50 523.50 232.50 179.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1510.00
1929 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
1930 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 432.00 0.00 z 0.00 z 432.00
1931 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
1932 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 337.00 i 600.50 932.00 1532.50
1933 931.50 890.50 697.00 504.00 449.50 227.00 97.50 79.50 260.50 390.50 601.50 711.00 5840.00
1934 716.50 542.00 487.50 289.00 245.00 182.50 90.50 36.00 231.00 397.50 596.90 a 763.00 4577.40
1935 954.00 610.00 808.21 c 544.00 380.00 192.50 133.00 112.00 142.00 525.00 812.50 775.00 5988.21
1936 802.50 957.00 750.50 424.50 280.00 142.00 82.00 79.50 230.00 373.50 733.00 837.00 5691.50
1937 1242.50 831.00 624.50 601.50 350.50 163.50 78.50 148.59 b 213.50 386.00 621.50 824.00 6085.59
1938 889.50 725.50 739.50 468.50 341.50 161.00 66.50 157.00 f 128.89 c 442.61 d 732.50 843.00 5539.00
1939 810.00 826.50 689.50 434.00 327.00 265.00 110.50 71.50 205.00 406.50 582.00 702.50 5430.00
1940 736.00 649.00 551.50 415.34 a 209.50 104.00 48.29 e 69.75 c 100.00 i 358.80 d 548.00 h 763.67 e 3905.85
1941 736.50 548.50 461.00 403.50 326.00 195.50 28.50 75.50 m 264.50 324.50 g 575.00 793.50 4332.50
1942 801.50 709.00 663.00 435.50 350.00 224.00 53.00 53.14 c 152.00 381.62 b 716.50 851.50 5390.76
1943 1026.50 685.00 732.00 442.50 423.50 256.50 87.50 152.00 149.00 505.19 d 593.00 858.00 5910.69
1944 850.00 744.00 700.00 492.00 328.50 175.00 59.00 104.50 f 180.50 323.36 b 691.00 809.00 5352.36
1945 797.50 697.00 765.50 622.50 322.00 262.50 77.00 90.00 259.00 427.00 740.50 845.00 5905.50
1946 855.71 b 734.50 701.63 a 520.00 279.50 257.00 85.00 96.00 211.50 609.84 b 754.00 849.50 5954.19
1947 1027.50 654.50 590.00 456.50 247.50 228.00 98.00 119.00 185.00 439.00 687.00 792.50 5524.50
1948 856.50 846.00 709.00 614.50 394.00 70.00 i 28.50 0.00 z 0.00 z 258.50 q 789.50 999.50 5237.50
1949 1223.00 876.50 680.00 476.50 308.50 218.65 d 77.00 i 139.00 194.00 613.00 545.50 912.50 6187.15
1950 1266.50 800.00 702.00 542.50 409.00 167.68 b 76.50 h 59.86 b 202.00 533.50 670.50 669.50 6023.04
1951 929.50 721.00 803.50 443.50 334.00 141.50 58.38 a 107.00 161.50 471.00 699.50 934.50 5804.88
1952 984.00 751.00 728.00 445.00 349.50 253.00 70.50 88.98 d 182.00 297.00 747.00 865.00 5760.98
1953 737.00 684.00 701.00 579.00 399.00 290.00 81.50 94.50 h 180.00 433.50 596.40 e 744.00 5425.40
1954 918.50 648.50 721.50 556.50 341.50 271.50 141.22 d 157.50 203.00 434.00 526.00 765.50 5685.22
1955 834.50 761.00 850.00 661.00 444.16 b 223.00 141.00 h 110.50 248.50 499.00 845.00 881.00 6357.66
1956 885.00 896.00 775.00 450.50 246.00 272.50 76.50 i 122.81 e 240.50 543.50 674.50 807.00 5913.31
1957 1081.50 762.50 661.50 465.50 260.00 155.36 b 122.21 e 144.50 108.00 353.00 i 554.50 f 759.50 4520.57
1958 724.50 506.50 672.50 519.00 170.00 112.50 3.50 h 48.50 225.50 358.50 674.00 680.50 4692.00
1959 802.50 708.50 675.00 485.50 384.00 133.50 g 71.50 116.00 259.50 442.50 668.00 804.50 5417.50
1960 903.00 731.50 695.50 512.59 a 412.50 137.00 k 65.50 138.00 208.00 409.50 710.00 786.50 5572.59
1961 650.50 634.00 632.00 531.00 346.50 92.00 37.00 12.83 b 274.00 497.50 741.50 871.50 5320.33
1962 900.00 679.00 751.50 462.00 471.50 201.00 g 125.72 d 104.00 181.00 435.00 631.50 762.00 5503.22
1963 1007.50 512.50 684.67 b 421.50 g 339.50 258.00 150.50 78.61 c 108.00 406.50 663.50 817.00 5026.28
1964 848.00 723.00 693.50 589.50 317.50 f 167.50 f 104.00 150.50 276.00 382.00 762.00 926.00 5454.50
1965 814.00 679.50 628.50 462.50 453.52 d 198.75 b 72.16 b 60.00 280.50 360.50 585.50 0.00 z 4595.42
Period of Record Statistics
MEAN 891.73 709.51 672.48 493.47 345.21 194.45 78.93 90.32 206.77 430.25 658.47 822.33 5701.53
S.D. 139.18 104.69 82.21 77.81 74.85 57.01 34.10 40.06 49.99 77.28 80.17 88.19 361.26
SKEW 0.91 0.24 -0.48 -0.22 -0.20 -0.41 0.13 0.06 -0.06 0.32 0.09 0.63 -1.73
MAX 1266.50 957.00 850.00 661.00 488.00 290.00 150.50 163.00 302.50 613.00 845.00 1080.50 6085.59
MIN 650.50 506.50 461.00 289.00 170.00 41.38 12.00 12.83 108.00 272.50 492.50 662.00 4577.40
NO YRS 49 48 46 48 49 47 44 43 45 44 46 50 18