PUYALLUP 2 W EXP STN, WASHINGTON

Monthly Total Heating Degree Days

(456803)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199507
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
1914 643.50 622.50 523.00 367.00 232.50 148.50 60.93 b 114.00 274.14 a 376.00 584.50 926.00 4872.57
1915 853.50 627.50 505.50 407.50 303.50 173.00 51.00 36.50 222.50 389.00 682.50 755.00 5007.00
1916 1094.00 696.00 647.00 468.00 411.00 201.00 114.50 88.00 230.00 549.00 715.00 844.00 6057.50
1917 869.50 738.00 794.00 567.50 384.50 238.50 89.50 68.00 217.50 415.50 513.00 645.50 5541.00
1918 671.00 717.50 666.50 507.00 401.00 149.00 93.50 116.00 168.50 378.00 625.50 807.00 5300.50
1919 798.00 691.00 644.50 469.50 355.50 258.50 127.50 116.50 219.00 518.50 647.00 925.50 5771.00
1920 825.00 766.00 649.00 584.00 442.00 215.00 73.50 90.50 239.00 490.00 619.50 725.00 5718.50
1921 772.50 626.50 631.50 531.50 382.00 163.50 159.00 129.00 306.00 410.00 589.00 865.50 5566.00
1922 959.50 758.00 737.50 564.00 358.00 134.00 105.50 80.00 181.00 410.50 724.00 863.50 5875.50
1923 785.50 806.00 646.00 441.00 333.00 155.50 57.00 48.50 196.50 398.00 607.50 750.50 5225.00
1924 795.50 559.00 672.00 506.00 271.00 165.00 96.50 108.50 248.50 429.50 654.50 917.50 5423.50
1925 726.50 587.00 669.50 481.00 306.00 215.00 50.00 121.00 218.00 479.00 641.50 642.70 c 5137.20
1926 766.00 548.50 492.00 317.00 261.00 128.00 66.00 26.00 r 133.00 0.00 z 329.50 l 766.45 b 3477.95
1927 813.00 628.00 645.50 485.00 c 344.44 d 90.00 45.50 61.00 177.50 382.50 590.50 885.00 5147.94
1928 758.00 689.50 532.00 469.00 244.00 133.00 48.00 65.50 224.48 a 407.65 a 577.50 823.57 a 4972.20
1929 975.50 875.00 598.00 552.50 329.00 170.00 67.68 a 78.00 222.32 b 363.00 675.00 a 691.30 a 5597.30
1930 1121.00 610.00 580.00 398.00 349.00 182.50 91.00 54.50 188.00 499.50 665.00 799.50 5538.00
1931 680.00 627.50 585.50 412.00 225.50 183.50 65.00 84.50 201.50 444.50 718.00 789.50 5017.00
1932 856.00 725.00 581.50 441.50 346.00 144.50 144.50 74.00 217.50 383.00 518.50 889.00 5321.00
1933 801.50 788.00 627.00 483.00 410.00 186.50 111.00 56.00 262.50 407.00 605.50 657.50 5395.50
1934 659.00 563.50 478.00 323.50 244.50 147.50 77.50 51.00 210.50 361.50 506.00 714.00 4336.50
1935 788.00 639.00 713.00 520.50 347.00 167.00 130.50 86.00 165.50 489.00 736.00 746.00 5527.50
1936 710.00 903.50 681.50 374.50 259.50 107.00 73.50 63.50 h 232.50 367.00 693.50 689.00 5091.50
1937 1129.00 704.00 555.00 512.00 324.50 124.00 74.00 119.50 176.50 335.00 562.00 699.50 5315.00
1938 777.50 658.00 637.00 410.50 304.50 140.00 61.50 136.00 128.00 394.50 684.00 737.50 5069.00
1939 687.00 739.00 695.50 592.50 339.00 223.00 102.00 63.00 223.50 396.00 548.50 631.00 5240.00
1940 706.00 600.00 530.50 422.50 263.00 146.50 56.50 78.00 99.00 330.00 703.00 751.50 4686.50
1941 747.50 590.50 499.00 372.00 317.00 175.00 37.50 76.00 247.50 411.00 569.00 718.50 4760.50
1942 868.00 686.00 648.50 451.00 333.50 214.50 63.50 53.00 207.50 398.00 670.50 710.50 5304.50
1943 977.50 647.00 697.00 432.00 374.00 190.00 73.00 74.00 132.00 371.00 508.00 f 844.00 4811.50
1944 787.00 683.50 672.50 466.00 349.00 181.50 62.00 68.00 120.50 322.50 628.50 877.00 5218.00
1945 735.50 625.50 658.00 531.50 256.50 212.50 59.00 79.50 260.50 401.50 616.50 789.00 5225.50
1946 768.00 629.50 643.00 491.00 262.00 207.00 62.00 78.50 199.50 543.00 738.00 784.00 5405.50
1947 0.00 z 601.50 589.00 382.00 173.08 a 186.00 0.00 z 136.00 210.00 317.00 f 640.00 703.04 c 3620.62
1948 729.53 a 616.50 673.65 e 476.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 536.00 m 2496.19
1949 1076.50 757.50 0.00 z 442.50 b 245.50 186.00 131.50 86.50 172.50 548.00 492.00 786.50 4925.00
1950 1195.00 662.00 648.00 516.00 362.00 144.00 57.00 51.31 b 123.50 g 466.55 a 633.00 616.00 5350.86
1951 822.00 649.00 721.00 419.50 290.50 110.00 47.00 87.00 195.50 376.17 e 621.50 838.50 5177.67
1952 877.00 685.50 650.00 439.00 297.00 193.50 45.50 75.50 167.40 e 327.05 a 743.50 776.60 b 5277.55
1953 588.00 622.74 a 616.00 474.50 327.57 a 197.00 65.00 81.50 163.50 358.00 561.50 703.00 4758.31
1954 864.00 618.50 717.50 518.00 296.05 a 233.00 113.50 96.50 174.00 453.50 496.00 771.90 a 5352.45
1955 756.00 718.50 767.00 598.00 375.00 209.00 139.50 124.50 245.69 a 431.50 773.50 811.00 5949.19
1956 805.50 820.50 693.00 438.50 215.50 185.50 48.05 a 74.50 208.00 449.00 708.00 738.32 a 5384.37
1957 1006.00 685.00 612.00 432.50 211.00 117.41 a 103.50 109.61 c 99.50 429.00 671.38 a 669.00 5145.90
1958 690.50 500.77 b 651.00 a 444.00 160.50 48.50 8.00 22.50 172.00 385.00 650.00 619.50 4352.27
1959 770.00 658.00 611.00 426.00 337.00 136.00 58.50 96.50 212.50 399.50 635.50 781.00 5121.50
1960 823.50 676.00 649.45 a 448.50 351.50 148.50 51.00 93.50 224.50 369.50 652.00 812.50 5300.45
1961 670.00 531.50 575.50 484.00 299.50 90.50 28.50 12.00 252.00 455.00 742.00 758.50 4899.00
1962 860.50 607.50 678.50 419.00 375.50 161.38 a 88.00 73.50 156.00 379.00 567.00 707.00 5072.88
1963 950.00 503.50 639.50 479.00 289.00 181.50 80.50 61.50 80.00 338.50 582.50 732.00 4917.50
1964 726.00 682.50 618.50 517.50 364.50 167.00 75.50 101.00 201.00 409.50 689.00 870.50 5422.50
1965 763.50 615.50 637.00 415.50 352.00 124.50 40.50 45.50 221.50 313.00 526.00 791.00 4845.50
1966 752.00 625.00 617.00 439.00 302.50 163.50 68.50 44.50 127.50 414.00 575.50 625.00 4754.00
1967 679.50 607.00 691.50 550.00 287.50 61.00 33.00 18.50 78.50 350.00 596.50 772.00 4725.00
1968 794.50 587.50 558.00 491.50 295.00 177.50 60.00 96.50 163.00 437.00 588.50 895.50 5144.50
1969 983.22 a 696.50 607.50 458.50 242.50 68.79 a 69.00 116.00 182.00 467.00 624.50 732.50 5248.01
1970 791.50 580.50 624.50 543.50 332.50 134.50 101.50 103.00 309.50 564.50 709.66 a 922.00 5717.16
1971 865.00 715.50 762.50 523.00 283.50 250.00 87.00 24.50 235.00 479.00 625.00 875.50 5725.50
1972 907.50 725.50 583.00 572.00 243.00 147.50 56.50 52.50 258.50 507.00 621.50 868.00 5542.50
1973 819.00 633.00 600.00 483.50 278.00 158.00 68.50 134.00 150.50 412.50 690.50 685.50 5113.00
1974 834.00 629.00 626.00 479.50 376.00 148.00 88.50 56.50 99.50 409.50 550.50 699.00 4996.00
1975 768.28 a 676.67 a 689.00 566.00 326.50 175.00 39.00 96.50 159.50 423.00 626.38 a 734.00 5279.83
1976 722.50 686.50 704.50 350.50 i 291.50 226.50 53.00 87.00 118.50 405.00 600.50 724.76 b 4620.26
1977 893.50 541.50 650.00 414.00 363.00 119.00 85.00 38.50 227.50 431.50 670.50 743.50 5177.50
1978 700.00 549.00 536.50 454.00 326.50 99.50 50.00 61.00 205.50 375.00 760.50 915.00 5032.50
1979 982.00 666.00 532.50 458.00 261.00 151.00 45.00 35.50 124.50 344.50 702.50 659.02 b 4961.52
1980 970.00 642.50 609.00 373.00 294.00 192.50 45.00 119.50 145.50 396.00 565.00 653.50 5005.50
1981 714.50 609.00 516.15 a 467.00 321.50 207.50 94.00 34.50 152.07 a 465.50 574.00 751.50 4907.22
1982 782.00 646.00 664.00 521.50 304.50 89.50 79.50 62.00 155.00 385.50 682.50 786.50 5158.50
1983 685.00 513.00 526.00 461.50 222.00 161.50 74.50 15.00 219.50 462.00 553.00 947.00 4840.00
1984 690.00 637.50 511.50 537.00 370.50 179.50 38.50 50.00 168.50 469.50 632.00 889.00 5173.50
1985 902.00 733.50 702.00 493.50 316.00 136.00 9.50 49.50 253.00 413.50 874.00 934.00 5816.50
1986 636.50 618.00 472.00 484.50 283.00 80.50 98.50 10.00 207.00 367.00 585.00 788.00 4630.00
1987 770.50 565.50 537.00 365.00 239.00 105.50 47.50 40.50 130.00 347.00 514.50 833.00 4495.00
1988 826.50 624.00 596.50 425.50 294.50 174.00 60.00 56.00 170.50 302.00 583.50 757.50 4870.50
1989 733.00 830.00 653.50 344.00 280.00 96.50 66.50 41.50 111.00 405.00 553.50 709.00 4823.50
1990 687.00 686.00 576.00 369.50 307.50 141.00 21.00 25.00 73.00 424.00 555.00 933.00 4798.00
1991 794.00 499.50 644.00 463.50 331.00 191.00 25.50 30.50 127.00 399.00 551.50 708.00 4764.50
1992 660.50 526.50 512.50 349.50 204.00 0.00 z 28.00 37.00 151.50 344.50 588.00 813.50 4215.50
1993 918.63 a 699.00 570.50 445.00 177.00 142.50 109.00 61.50 157.50 334.00 715.00 764.50 5094.13
1994 627.00 687.00 504.50 380.50 236.00 158.50 21.50 17.00 67.50 397.00 709.00 771.90 a 4577.40
1995 706.50 214.50 p 565.50 421.50 200.50 118.00 13.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2025.00
Period of Record Statistics
MEAN 808.33 654.37 620.08 462.43 303.40 159.29 69.58 71.74 185.24 411.14 630.40 775.48 5165.57
S.D. 124.33 81.85 71.22 64.02 59.04 43.88 31.74 32.60 53.67 57.58 74.19 86.19 367.30
SKEW 0.96 0.54 -0.09 -0.02 -0.22 -0.19 0.52 0.11 -0.15 0.63 0.41 0.20 0.14
MAX 1195.00 903.50 794.00 598.00 442.00 258.50 159.00 136.00 309.50 564.50 874.00 947.00 6057.50
MIN 588.00 499.50 472.00 317.00 160.50 48.50 8.00 10.00 67.50 302.00 492.00 616.00 4336.50
NO YRS 81 81 81 81 81 80 80 78 79 78 78 80 72