FORKS 1 E, WASHINGTON

Monthly Total Growing Degree Days

(452914)

Base Temperature = 40 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
1907 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 290.17 a 111.71 b 401.88
1908 60.40 b 84.50 171.50 0.00 z 0.00 z 385.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 316.40
1909 41.00 58.50 q 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 21.00 h 41.00
1910 43.00 h 25.67 d 214.42 a 247.78 c 529.58 a 493.89 c 640.84 b 605.05 c 535.18 b 0.00 z 0.00 z 0.00 z 3292.41
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 156.50 0.00 z 156.50
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 663.00 441.00 0.00 z 0.00 z 1104.00
1913 0.00 z 0.00 z 216.43 d 0.00 z 0.00 z 192.50 u 0.00 z 0.00 z 518.50 101.50 u 89.44 c 71.00 895.37
1914 72.50 81.85 b 196.50 287.00 470.00 511.00 595.50 603.00 213.00 o 447.50 172.50 7.50 3444.85
1915 28.00 89.00 232.00 314.00 438.50 535.50 670.93 c 703.59 c 522.12 d 355.00 67.00 44.50 4000.13
1916 0.00 100.00 136.50 228.50 340.48 a 541.03 a 602.29 c 644.50 480.00 c 278.00 58.89 c 18.08 a 3428.28
1917 39.27 a 50.81 a 8.50 169.66 a 341.50 452.50 586.62 e 675.59 b 487.00 352.50 233.50 119.50 3516.94
1918 120.50 9.00 g 101.00 192.50 223.00 g 625.20 e 434.00 h 481.50 f 549.00 350.00 109.00 59.50 2106.70
1919 61.00 31.63 a 87.00 211.00 311.50 373.97 a 555.00 617.50 497.50 272.36 c 135.56 c 97.28 b 3251.28
1920 68.50 29.50 m 63.79 e 83.89 c 230.36 b 422.00 613.50 705.52 b 477.00 275.00 126.92 d 38.00 k 3066.48
1921 29.00 i 38.50 q 105.50 153.50 308.40 b 512.50 540.50 622.58 a 425.00 390.08 a 181.50 59.33 b 3298.89
1922 2.50 2.50 f 34.00 128.50 343.38 e 533.00 419.50 j 651.00 c 523.85 d 384.73 c 59.50 f 38.50 f 2600.96
1923 33.50 l 23.92 d 80.00 f 200.50 f 301.00 f 505.86 a 653.50 717.50 423.00 h 355.50 153.00 62.00 2471.28
1924 61.00 94.00 72.50 163.50 458.00 487.00 616.00 618.50 503.50 311.00 96.00 79.00 3560.00
1925 50.50 91.50 85.50 240.50 464.50 481.67 c 603.97 b 612.50 495.00 283.50 108.46 d 151.50 3669.09
1926 75.00 128.00 212.00 351.00 377.50 510.52 a 622.00 617.00 419.50 386.50 228.00 83.18 a 4010.20
1927 36.00 g 20.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 98.33 c 28.86 b 127.20
1928 118.50 44.50 152.50 151.50 432.50 500.00 677.00 602.50 502.50 318.50 152.00 35.00 3687.00
1929 8.00 4.00 73.00 124.00 346.00 461.00 591.00 631.50 536.50 379.00 117.00 82.00 3353.00
1930 4.81 b 80.50 141.00 121.50 o 277.45 a 453.21 b 407.00 j 394.50 l 500.00 310.00 117.78 c 76.43 b 1961.18
1931 159.00 70.00 140.00 277.50 449.50 487.50 657.00 646.50 497.00 337.26 b 105.60 e 31.00 d 3857.86
1932 27.50 38.50 h 132.00 220.00 336.00 521.00 524.00 617.50 525.60 e 369.50 187.00 36.00 3496.10
1933 27.50 7.00 70.50 151.00 250.00 400.00 541.50 700.00 423.50 330.50 193.50 98.00 3193.00
1934 124.55 c 159.00 250.30 d 393.33 c 424.50 470.50 554.00 675.69 d 490.00 390.50 220.38 d 64.00 4216.75
1935 131.00 94.00 24.50 180.50 351.50 499.00 610.24 d 615.72 b 406.00 i 12.00 z 101.67 c 102.50 2710.63
1936 70.00 17.00 94.03 a 0.00 z 441.00 534.11 b 596.00 673.50 486.00 455.18 a 151.50 97.50 3615.82
1937 0.00 21.00 141.64 b 135.50 351.50 532.24 a 610.50 587.40 b 537.50 446.00 164.00 111.00 3638.28
1938 52.00 69.00 93.00 226.50 376.50 486.50 657.50 580.00 602.50 348.00 50.00 n 90.50 3582.00
1939 69.50 20.00 116.50 242.50 358.05 a 427.50 546.08 e 672.50 517.50 323.00 269.50 185.00 3747.63
1940 117.44 e 107.50 184.21 e 291.00 450.00 545.50 604.50 c 686.00 598.50 430.50 79.00 131.00 4225.15
1941 0.00 z 120.52 e 275.38 a 251.50 f 382.16 b 280.50 m 719.00 631.37 a 461.90 a 373.00 185.40 e 56.66 b 3205.38
1942 72.50 24.00 h 64.21 c 159.50 i 386.00 482.00 744.00 b 727.00 554.44 c 414.00 44.50 p 8.00 v 3444.16
1943 20.67 a 101.77 b 56.00 259.66 a 249.00 f 433.33 c 486.50 f 592.88 c 580.50 383.37 a 174.00 57.50 2659.67
1944 71.50 42.50 89.00 204.00 362.70 a 450.60 e 634.50 619.45 c 575.56 c 459.50 179.50 47.00 g 3688.80
1945 98.17 a 70.00 48.80 d 116.00 f 433.50 457.50 514.50 f 602.36 b 470.00 372.52 a 77.50 75.50 2705.84
1946 47.00 55.46 b 76.00 162.50 437.00 439.14 a 620.52 a 610.91 b 486.11 c 224.23 a 64.66 a 58.26 b 3281.79
1947 30.50 118.00 219.67 b 278.00 446.00 490.18 b 593.65 a 577.12 a 531.50 311.03 a 92.14 b 83.18 a 3770.98
1948 18.50 16.57 a 55.50 110.00 332.00 589.50 592.00 576.00 473.50 314.00 51.50 6.20 a 3135.27
1949 2.00 39.00 121.50 207.50 410.00 430.50 536.50 574.00 551.40 e 240.00 283.00 54.50 3449.90
1950 10.00 47.00 50.50 124.50 261.50 530.17 a 615.00 638.50 508.00 287.00 111.50 162.50 3346.17
1951 26.00 50.50 50.00 256.00 364.00 530.00 636.50 602.50 537.93 a 311.00 129.50 25.00 3518.93
1952 32.50 51.50 72.50 191.00 363.00 380.00 615.00 624.50 576.50 501.00 128.00 75.00 3610.50
1953 122.00 43.50 81.00 185.00 350.00 394.00 608.00 623.00 545.00 403.50 192.50 89.50 3637.00
1954 12.00 54.00 36.50 87.50 336.50 402.50 505.50 561.50 534.50 349.00 274.50 72.00 3226.00
1955 43.50 16.50 34.00 70.50 232.50 442.50 501.50 533.50 479.50 336.00 118.50 21.00 2829.50
1956 46.50 7.00 64.50 271.00 454.50 427.00 648.00 637.50 525.00 287.50 121.00 90.00 3579.50
1957 11.00 42.50 99.50 243.50 432.50 497.00 553.00 582.50 641.00 342.00 132.00 93.50 3670.00
1958 125.79 e 179.50 108.50 197.50 500.00 649.00 768.00 661.85 a 400.50 g 366.50 115.50 168.50 3840.64
1959 81.00 55.50 85.00 212.00 250.00 f 474.00 655.50 563.50 462.00 332.00 153.00 71.00 3144.50
1960 49.71 b 62.00 124.00 202.00 289.00 447.50 482.50 g 600.00 518.00 388.50 126.50 62.00 a 2869.21
1961 126.50 97.00 116.00 161.50 345.50 575.50 721.00 755.50 474.50 261.00 109.50 45.31 e 3788.81
1962 89.50 139.50 54.50 219.50 243.72 b 423.00 580.50 600.00 528.50 378.00 168.00 142.50 3567.22
1963 26.50 217.00 86.50 202.50 381.50 470.00 577.00 645.00 640.50 387.00 130.00 116.50 3880.00
1964 50.50 47.50 82.00 135.50 299.50 485.50 570.00 595.00 480.00 373.00 70.50 38.50 3227.50
1965 26.00 65.50 168.50 240.00 286.50 447.50 650.50 657.00 457.00 424.00 207.50 60.50 3690.50
1966 69.00 68.00 126.58 a 210.00 334.00 450.50 560.14 b 604.50 568.50 317.00 162.00 132.00 3602.22
1967 84.00 75.50 37.00 111.50 343.07 a 585.50 647.50 745.50 622.50 383.50 170.69 a 68.00 3874.26
1968 96.00 169.50 181.00 146.50 375.50 447.50 659.50 596.00 525.50 300.50 149.50 22.39 d 3669.39
1969 16.53 a 21.00 149.00 188.00 447.00 635.00 580.00 559.03 a 528.00 316.50 186.50 125.50 3752.07
1970 63.00 166.00 143.00 111.50 317.50 520.80 e 607.50 605.50 454.00 303.50 145.50 34.00 3471.80
1971 60.50 69.50 40.00 181.00 353.00 377.00 627.00 684.30 d 454.00 299.50 124.50 12.00 3282.30
1972 7.50 f 49.88 d 143.00 88.50 471.00 495.00 636.50 747.74 b 418.00 304.00 137.00 99.31 d 3589.94
1973 58.00 106.50 116.00 232.50 417.00 496.50 631.50 572.50 586.00 311.00 60.00 86.50 3674.00
1974 58.00 48.50 116.00 227.00 285.00 504.50 590.50 682.50 679.00 401.00 171.00 114.50 3877.50
1975 44.50 36.50 63.50 132.00 387.00 453.50 675.50 598.50 640.50 304.50 124.50 81.00 3541.50
1976 81.50 46.00 49.50 220.00 360.50 436.00 615.00 619.00 617.50 402.00 208.00 102.50 3757.50
1977 69.50 168.00 80.00 289.00 343.50 521.38 a 604.50 781.00 510.00 348.00 112.50 0.00 z 3827.38
1978 107.00 129.00 212.00 250.00 378.00 633.50 730.00 669.50 529.00 444.00 78.50 23.00 4183.50
1979 8.50 33.50 214.00 250.50 458.00 489.50 698.50 709.90 a 676.00 461.00 157.00 133.50 4289.90
1980 25.00 149.50 117.00 302.00 393.00 465.50 663.00 632.50 576.00 452.50 194.00 159.50 4129.50
1981 145.50 134.50 232.00 259.00 398.50 443.00 615.50 755.50 598.00 349.50 185.50 51.00 4167.50
1982 32.50 62.00 87.50 129.50 369.00 603.50 599.00 685.00 602.00 348.00 69.00 44.50 3631.50
1983 125.00 125.00 214.00 286.00 509.50 523.50 656.00 736.00 537.50 314.00 158.00 22.00 4206.50
1984 113.50 112.00 213.50 230.00 364.50 493.00 680.00 662.50 516.00 285.00 113.50 14.00 3797.50
1985 34.50 43.50 65.00 251.00 415.00 522.50 773.00 669.50 488.50 293.00 60.00 18.50 3634.00
1986 143.00 90.50 230.50 185.00 418.00 592.00 574.00 762.00 501.00 418.00 133.00 97.50 4144.50
1987 75.50 135.50 201.00 330.00 459.50 574.00 633.50 719.00 635.00 468.50 238.50 47.00 4517.00
1988 42.00 154.50 141.50 291.00 428.00 501.50 672.00 699.00 557.00 457.50 145.00 102.00 4191.00
1989 38.00 19.50 86.00 349.00 440.00 608.00 609.00 666.00 651.00 346.50 168.00 106.00 4087.00
1990 71.50 61.00 201.00 315.00 396.50 524.00 757.00 756.50 645.00 273.00 156.50 36.00 4193.00
1991 61.50 216.00 100.00 242.50 362.50 461.50 669.50 661.00 629.00 350.50 186.00 119.00 4059.00
1992 146.50 194.00 313.50 310.00 537.00 638.50 715.50 717.50 509.50 385.00 154.50 22.00 4643.50
1993 42.50 96.50 187.50 259.00 523.00 546.50 604.00 697.50 574.50 439.00 78.50 70.00 4118.50
1994 131.00 33.00 212.50 295.50 447.00 491.50 669.50 686.00 619.50 308.00 53.00 80.00 4026.50
1995 102.50 151.00 166.00 255.50 474.50 536.00 714.50 611.00 649.50 337.50 232.00 107.00 4337.00
1996 98.00 132.50 185.50 299.00 324.50 480.50 743.50 730.50 505.50 317.00 134.50 20.00 3971.00
1997 107.50 83.50 100.00 240.50 520.50 516.50 664.50 726.50 627.50 355.00 208.50 88.00 4238.50
1998 104.50 107.00 181.00 236.00 452.50 520.00 710.50 707.50 572.00 371.50 155.50 69.50 4187.50
1999 57.50 40.00 75.50 225.00 303.50 460.00 614.00 685.00 553.00 306.00 160.00 64.00 3543.50
2000 12.50 84.00 133.00 301.50 357.00 562.50 656.50 629.00 537.50 321.37 a 82.00 53.73 a 3730.60
2001 82.50 40.00 150.00 202.00 383.50 463.50 579.50 648.00 526.00 285.50 158.00 41.50 3560.00
2002 84.00 49.00 65.50 222.41 a 334.00 568.50 687.50 663.00 529.82 b 317.00 195.00 73.50 3789.24
2003 156.50 70.00 167.00 209.50 395.50 615.50 697.50 665.50 600.50 405.00 69.50 40.50 4092.50
2004 103.00 95.00 201.50 353.50 453.00 580.50 751.00 775.00 518.00 371.00 172.50 78.00 4452.00
2005 154.50 96.00 236.00 274.50 536.50 533.00 704.50 723.00 494.00 354.50 94.50 107.00 4308.00
2006 114.50 70.00 99.50 241.50 429.50 581.00 703.50 632.50 556.50 335.00 133.50 75.00 3972.00
2007 56.50 92.50 167.50 220.00 385.50 469.50 704.00 665.50 495.50 290.50 106.50 36.50 3690.00
2008 20.50 79.00 70.00 116.50 404.50 439.50 609.50 654.00 543.00 296.00 214.50 38.50 3485.50
2009 27.50 46.00 62.00 204.50 0.00 z 0.00 z 0.00 z 675.00 570.50 300.00 154.00 39.50 2079.00
2010 151.00 140.50 155.50 210.00 301.50 461.00 630.00 635.00 543.50 352.50 112.00 67.50 3760.00
2011 80.00 38.00 91.00 97.50 290.00 462.50 589.00 a 641.50 587.50 296.00 61.00 49.50 3283.50
2012 62.50 69.00 67.50 233.00 348.50 412.50 601.00 685.00 534.50 314.00 150.00 26.50 3504.00
2013 28.00 52.50 138.50 15.50 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 219.00
Period of Record Statistics
MEAN 66.77 79.83 125.30 217.21 385.25 498.44 632.93 652.67 539.16 351.52 143.77 72.47 3776.20
S.D. 42.69 48.62 64.67 68.49 70.85 62.48 60.11 55.59 60.57 57.09 53.76 39.54 363.52
SKEW 0.40 0.77 0.52 -0.02 0.05 0.40 0.26 0.31 0.35 0.41 0.47 0.53 0.06
MAX 159.00 217.00 313.50 393.33 537.00 649.00 773.00 781.00 679.00 501.00 290.17 185.00 4643.50
MIN 0.00 4.00 8.50 70.50 230.36 373.97 501.50 533.50 418.00 224.23 51.50 6.20 2829.50
NO YRS 97 95 101 93 94 97 92 97 97 98 99 96 76