COUPEVILLE 1 S, WASHINGTON

Monthly Total Growing Degree Days

(451783)

Base Temperature = 40 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
1895 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 130.50 93.00 223.50
1896 106.50 118.00 103.50 171.00 337.50 490.00 659.00 628.00 414.50 296.50 65.50 127.00 3517.00
1897 66.00 58.00 35.00 283.50 427.00 521.00 566.50 712.00 437.00 278.00 87.00 79.50 3550.50
1898 25.50 122.00 98.00 308.00 522.50 609.00 720.00 751.50 574.50 348.50 108.00 48.00 4235.50
1899 86.00 81.50 64.50 174.00 301.50 417.00 667.50 595.00 0.00 z 0.00 z 140.50 p 105.00 2492.00
1900 94.00 63.00 224.00 299.00 415.50 552.50 648.50 601.50 487.80 e 317.75 a 145.50 175.84 b 4024.89
1901 19.24 b 25.00 m 31.50 s 190.34 a 389.00 0.00 z 388.50 k 681.00 469.50 466.00 218.50 71.50 2505.09
1902 80.37 d 160.50 78.00 p 244.00 422.50 520.50 622.67 b 654.50 371.00 f 399.50 130.50 65.88 c 3300.92
1903 72.16 b 42.50 96.32 c 227.14 b 391.24 b 562.00 571.84 c 636.50 465.50 361.15 a 175.00 107.39 c 3708.74
1904 74.40 a 57.50 76.50 354.50 431.50 526.00 485.50 i 649.45 a 529.00 352.00 h 258.00 g 93.00 m 2698.85
1905 65.50 n 127.00 290.00 350.00 428.00 546.67 c 685.00 649.50 547.00 283.50 170.00 102.00 4178.67
1906 119.00 131.50 213.50 337.50 435.50 512.50 719.00 67.00 z 518.33 c 380.86 c 10.50 y 0.00 z 3367.69
1907 26.23 e 98.50 127.50 256.00 494.50 534.00 656.00 603.00 533.00 388.02 a 239.50 114.70 a 4070.95
1908 88.35 a 0.00 z 144.50 248.00 356.00 499.14 a 661.69 b 386.00 j 465.52 a 277.34 c 198.50 f 33.50 2774.03
1909 17.00 92.81 a 91.45 a 237.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 438.76
1910 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
1911 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
1912 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
1913 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
1914 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
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 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
1921 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
1922 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
1923 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
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 0.00 z 0.00 z 251.62 a 136.50 164.50 552.62
1926 30.00 i 135.85 a 218.50 347.00 453.50 598.85 d 698.00 660.00 438.50 366.00 202.00 79.00 4197.20
1927 39.50 69.00 96.50 199.50 355.50 563.50 707.83 a 633.00 428.79 a 0.00 z 0.00 z 25.00 3118.13
1928 98.88 b 45.00 171.50 223.50 454.00 523.50 710.50 612.50 425.69 a 291.00 161.00 29.00 3746.07
1929 5.50 17.00 123.50 170.00 352.50 490.00 631.50 646.00 499.00 357.50 80.00 69.50 3442.00
1930 9.50 89.50 138.00 320.50 374.00 494.50 617.00 692.50 509.00 258.50 107.50 71.50 3682.00
1931 118.50 46.00 179.50 293.50 470.00 530.50 674.50 656.50 505.00 295.50 78.50 50.00 3898.00
1932 37.00 61.50 165.50 256.00 371.00 540.00 576.50 638.50 504.00 345.00 197.50 45.50 3738.00
1933 33.00 18.50 129.50 219.00 335.00 454.00 594.00 679.00 439.50 315.50 143.50 94.50 3455.00
1934 105.50 95.00 197.50 345.50 435.50 527.50 626.50 683.00 497.00 339.50 211.00 62.50 4126.00
1935 112.12 a 86.50 55.50 185.50 396.50 529.50 644.00 641.00 533.00 275.00 90.00 116.50 3665.12
1936 52.50 15.00 85.00 295.00 444.00 557.50 641.00 689.00 453.00 353.00 92.50 81.50 3759.00
1937 0.00 32.00 193.00 225.00 378.00 541.50 629.00 616.00 511.00 365.00 174.50 104.50 3769.50
1938 38.50 61.00 120.00 279.50 397.00 545.00 664.50 596.50 563.50 308.50 97.50 98.17 a 3769.67
1939 88.50 15.50 112.50 265.50 400.00 0.00 z 636.00 671.50 508.50 294.50 253.50 200.00 3446.00
1940 101.50 99.43 a 225.00 314.00 480.50 581.50 651.50 689.00 570.00 413.50 83.00 132.50 4341.43
1941 109.50 127.50 256.50 344.50 443.50 571.50 767.50 663.00 470.00 339.00 179.00 98.00 4369.50
1942 70.50 27.00 t 12.50 z 282.00 416.00 524.50 709.50 714.50 510.50 351.50 89.00 86.50 3754.50
1943 16.50 64.81 a 105.50 330.00 a 382.00 511.00 614.50 645.50 545.50 358.50 146.90 a 67.50 3788.21
1944 91.50 65.50 115.50 276.00 407.00 518.00 678.50 636.50 575.50 391.50 169.00 47.00 3971.50
1945 101.00 81.00 112.50 215.00 464.50 518.00 654.50 638.00 452.50 327.50 121.00 88.00 3773.50
1946 64.00 79.50 117.00 239.00 457.00 513.50 639.00 627.00 492.50 240.50 76.50 68.00 3613.50
1947 36.00 97.00 190.00 293.50 483.50 552.41 a 649.50 618.45 a 484.00 362.00 115.00 83.50 3964.86
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 575.50 616.50 598.50 455.50 250.00 93.50 11.00 2600.50
1949 2.50 33.00 129.50 246.50 432.50 482.00 580.50 606.50 523.50 234.50 228.00 59.00 3558.00
1950 8.00 78.50 80.50 210.00 330.00 515.50 595.50 625.50 478.50 280.00 120.00 164.50 3486.50
1951 37.00 50.00 77.00 239.00 388.50 552.50 637.00 608.00 499.00 305.50 142.00 27.50 3563.00
1952 43.50 73.00 86.00 223.50 376.50 427.00 604.00 631.00 516.50 366.00 118.50 90.50 3556.00
1953 141.00 63.50 132.50 221.00 388.50 441.50 615.50 641.50 510.50 352.00 238.50 100.00 3846.00
1954 27.00 91.50 86.00 188.50 387.50 458.50 581.00 606.00 521.00 300.00 262.00 75.95 a 3584.95
1955 34.00 30.00 59.00 172.50 308.50 465.50 554.50 592.00 461.00 275.50 93.50 23.00 3069.00
1956 54.50 11.00 82.50 290.50 465.00 470.50 682.50 650.48 a 487.00 301.50 95.00 90.00 3680.48
1957 9.50 28.00 133.00 285.00 525.50 581.50 615.50 679.50 638.50 339.00 109.00 110.00 4054.00
1958 119.00 180.00 140.00 295.34 a 573.50 711.00 837.00 793.00 581.50 395.00 131.50 157.00 4913.84
1959 89.00 55.00 148.50 284.00 424.00 573.00 712.48 a 629.50 484.00 325.50 113.50 61.00 3899.48
1960 55.00 64.00 130.50 268.50 412.50 542.00 717.50 651.00 485.50 361.00 111.00 61.50 3860.00
1961 114.50 126.50 179.50 251.00 453.00 617.00 720.50 723.50 523.00 286.00 61.50 65.50 4121.50
1962 61.00 87.00 82.00 242.50 340.50 524.00 664.00 634.50 533.50 326.00 161.50 95.00 3751.50
1963 8.00 192.50 136.50 214.00 449.50 509.50 638.50 663.50 563.00 366.00 142.00 82.00 3965.00
1964 51.00 34.00 95.50 183.00 329.50 431.50 596.50 629.00 448.00 218.00 41.00 26.50 3083.50
1965 19.50 60.00 109.50 247.50 343.00 503.50 641.00 643.00 441.50 392.50 223.50 77.00 3701.50
1966 80.00 92.50 141.50 249.50 388.00 506.50 611.00 638.50 561.50 299.50 159.00 151.00 3878.50
1967 78.50 97.50 95.50 181.50 402.50 593.50 645.50 727.00 614.50 388.50 150.50 84.00 4059.00
1968 85.00 116.50 202.50 216.50 434.00 510.50 702.00 647.00 514.50 315.00 178.50 43.50 3965.50
1969 16.00 47.50 144.50 236.00 455.00 620.50 633.00 599.50 526.00 313.74 b 159.50 102.50 3853.74
1970 69.50 110.50 152.50 204.00 376.00 562.00 651.00 653.50 453.00 261.50 159.00 38.50 3691.00
1971 65.50 77.50 86.50 215.50 384.50 463.00 637.50 717.00 483.50 293.00 146.00 21.00 3590.50
1972 20.00 77.50 174.50 169.50 468.50 514.50 648.50 660.50 424.50 237.00 131.50 88.00 3614.50
1973 67.00 75.50 153.00 230.00 415.00 523.50 622.50 609.50 543.50 308.00 87.50 102.00 3737.00
1974 75.50 72.00 152.00 243.00 349.00 507.00 585.50 662.50 589.00 313.50 165.00 118.00 3832.00
1975 44.50 49.00 0.00 z 172.50 388.50 478.50 639.50 595.00 499.00 310.00 147.50 92.00 3416.00
1976 70.00 50.50 82.50 250.50 367.00 446.50 610.00 580.50 529.00 293.50 138.00 108.50 3526.50
1977 37.50 144.50 109.50 255.50 354.00 515.00 599.50 731.00 459.50 261.50 139.00 69.50 3676.00
1978 71.50 119.00 194.00 255.00 372.50 601.00 660.50 665.50 492.00 308.50 69.00 26.50 3835.00
1979 4.50 53.00 189.50 274.00 442.00 509.00 679.50 647.50 591.00 357.50 95.00 165.00 4007.50
1980 27.00 123.50 132.00 289.50 402.48 a 471.50 601.00 610.00 472.00 347.50 184.50 161.00 3821.98
1981 130.00 107.00 216.00 241.50 406.50 479.00 632.50 718.00 512.00 266.00 174.50 64.50 3947.50
1982 59.50 82.50 94.00 173.50 380.50 589.00 595.00 634.50 525.00 305.00 87.50 70.50 3596.50
1983 136.50 162.50 246.00 261.00 488.00 533.50 619.00 671.50 466.00 294.00 172.50 23.25 a 4073.75
1984 123.00 130.00 229.00 238.00 381.00 487.00 617.50 663.50 492.50 282.50 149.50 15.50 3809.00
1985 16.50 52.50 105.00 243.50 414.50 510.00 695.50 646.50 444.50 322.40 a 65.50 29.00 3545.40
1986 157.50 96.00 232.00 210.00 417.00 547.50 582.00 710.50 511.50 336.50 127.50 75.50 4003.50
1987 71.50 132.00 214.00 307.00 428.00 555.00 615.50 641.00 533.50 346.00 230.50 67.00 4141.00
1988 52.00 112.50 130.00 252.50 421.50 501.50 630.50 650.00 493.00 369.50 167.50 88.00 3868.50
1989 53.50 25.50 122.50 329.00 409.00 566.50 628.50 640.50 541.00 312.00 176.50 96.50 3901.00
1990 73.00 57.00 160.50 297.00 420.00 517.50 704.50 731.00 567.00 317.50 183.00 40.00 4068.00
1991 66.00 170.00 105.00 253.00 414.00 474.00 658.50 664.00 539.50 301.50 179.00 127.00 3951.50
1992 142.50 165.00 246.00 323.50 482.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1359.00
1993 0.00 z 71.00 0.00 z 0.00 z 550.00 558.00 628.00 670.50 462.00 363.00 81.50 83.00 3467.00
1994 141.50 50.00 186.50 312.00 466.50 548.00 0.00 z 0.00 z 123.50 w 28.00 z 83.50 94.55 a 1882.55
1995 116.50 113.04 a 172.00 0.00 z 498.00 584.00 716.00 0.00 z 589.50 327.05 a 235.00 97.50 3448.59
1996 80.08 a 82.00 163.78 a 311.50 0.00 z 0.00 z 656.50 661.50 444.00 273.00 115.00 32.00 2819.37
1997 85.50 66.50 136.00 264.50 502.00 538.50 651.00 718.50 574.00 350.00 215.00 97.50 4199.00
1998 126.50 163.50 230.50 289.00 450.00 563.50 783.00 702.00 303.00 o 368.00 202.00 43.50 i 3878.00
1999 86.50 72.50 151.50 278.50 392.50 491.50 624.65 a 660.00 550.00 326.50 210.00 66.50 3910.65
2000 35.50 92.58 c 197.00 321.00 418.00 543.00 674.50 685.50 551.00 367.57 c 94.66 a 57.87 a 4038.17
2001 81.50 28.50 160.50 278.00 449.50 517.50 0.00 z 686.00 579.83 a 328.00 199.50 50.00 3358.83
2002 101.00 96.50 103.00 299.50 435.00 618.50 699.50 707.50 561.00 327.50 220.00 96.00 4265.00
2003 153.50 91.00 239.50 292.50 471.00 646.50 782.50 745.50 642.00 441.00 101.50 97.00 4703.50
2004 130.50 155.00 263.50 441.50 524.00 631.50 795.00 760.00 547.50 412.00 185.00 100.50 4946.00
2005 145.00 84.00 273.50 356.50 569.00 587.50 720.50 737.50 569.00 427.50 124.00 115.50 4709.50
2006 135.00 75.00 185.50 298.50 459.00 626.50 729.00 683.50 583.00 350.50 162.50 63.00 4351.00
2007 68.00 123.00 234.00 313.00 471.00 530.50 750.00 698.00 523.00 314.50 132.00 52.00 4209.00
2008 39.00 92.00 112.00 207.50 445.50 486.00 626.50 696.50 519.50 327.50 236.00 39.50 3827.50
2009 40.50 45.00 118.00 285.00 451.50 615.50 760.00 693.50 580.00 354.50 179.00 51.50 4174.00
2010 177.50 177.00 227.50 301.00 415.00 534.50 694.50 669.50 546.50 379.50 160.50 111.50 4394.50
2011 80.00 56.50 183.50 207.00 388.50 519.50 640.50 682.00 588.50 331.50 115.00 58.00 3850.50
2012 75.50 105.00 113.50 309.00 441.50 468.00 595.50 690.50 537.00 331.00 193.50 65.00 3925.00
2013 43.00 87.00 141.00 8.00 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 271.00
Period of Record Statistics
MEAN 70.55 85.08 148.57 261.22 421.32 531.77 655.11 660.83 514.04 327.42 146.13 81.22 3889.66
S.D. 41.81 41.26 56.31 52.57 54.16 51.79 54.78 42.92 50.42 47.32 50.89 38.42 336.94
SKEW 0.30 0.48 0.44 0.30 0.37 0.44 0.83 0.51 0.18 0.22 0.23 0.59 0.74
MAX 177.50 192.50 290.00 441.50 573.50 711.00 837.00 793.00 642.00 466.00 262.00 200.00 4946.00
MIN 0.00 11.00 35.00 169.50 301.50 417.00 554.50 580.50 414.50 218.00 41.00 11.00 3069.00
NO YRS 98 98 96 98 98 96 95 95 95 96 96 98 80