CLEARWATER, WASHINGTON

Monthly Total Growing Degree Days

(451496)

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 378.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1896 0.00 z 142.00 h 0.00 z 0.00 z 286.00 462.50 678.00 693.50 457.00 351.50 57.00 147.00 3132.50
1897 89.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 519.64 b 99.00 y 0.00 z 0.00 z 608.64
1898 41.50 112.00 103.50 240.00 437.50 565.50 667.50 733.50 564.00 358.57 a 119.50 31.50 3974.57
1899 81.00 40.00 0.00 z 0.00 z 98.50 v 426.00 637.00 589.00 550.50 298.50 304.50 96.50 3023.00
1900 79.00 77.50 232.50 280.50 449.00 555.50 658.00 633.00 466.50 290.00 80.00 f 92.50 j 3721.50
1901 26.50 56.52 a 118.50 140.50 335.50 414.83 a 515.00 690.55 b 441.50 484.93 c 233.50 83.00 3540.83
1902 68.00 0.00 y 60.00 m 200.00 414.00 485.50 596.75 a 629.50 456.50 380.04 d 133.39 b 36.50 g 3363.68
1903 96.50 29.04 a 83.50 169.29 b 365.50 566.67 c 572.98 a 638.50 488.00 375.00 139.50 68.50 3592.97
1904 45.47 a 10.00 74.83 b 334.00 342.03 a 451.55 a 610.50 605.50 536.50 383.37 a 245.69 a 102.00 3741.44
1905 51.50 81.50 226.50 279.50 383.00 505.50 619.48 a 599.16 b 512.50 202.00 119.00 67.50 3647.14
1906 65.00 64.50 139.00 316.50 360.50 503.08 d 821.50 728.00 545.00 406.50 155.17 a 73.50 4178.25
1907 0.52 a 140.00 b 67.00 266.50 454.84 b 559.50 708.19 b 631.50 563.57 b 0.00 z 237.00 100.50 3729.12
1908 49.08 a 44.04 b 115.98 b 203.50 0.00 z 0.00 z 84.50 z 0.00 z 8.00 z 231.98 a 79.50 p 32.07 b 676.66
1909 11.48 d 48.50 63.00 150.52 a 291.40 a 183.00 q 366.50 j 509.00 442.00 283.00 118.93 b 0.00 z 1917.83
1910 33.00 5.70 a 135.50 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 174.20
1911 0.00 z 0.00 z 0.00 z 0.00 z 104.50 x 460.34 a 671.67 a 641.38 b 445.71 b 334.00 159.00 58.50 h 2712.11
1912 123.00 103.50 69.50 j 187.00 400.42 a 424.50 560.50 573.50 a 535.00 294.00 151.50 57.00 g 3352.92
1913 8.86 c 26.00 76.50 221.50 354.00 507.00 627.50 656.88 b 524.50 309.00 145.50 84.00 3541.24
1914 83.50 110.50 188.00 264.50 416.95 a 433.00 582.91 c 155.00 v 461.11 c 454.67 a 197.07 a 17.50 3209.71
1915 41.85 a 103.00 280.00 300.50 411.00 484.00 589.00 e 486.00 h 496.61 b 382.00 94.29 b 70.86 c 3253.10
1916 6.00 103.00 0.00 z 186.72 a 272.80 a 418.93 b 0.00 z 57.00 z 480.00 c 238.50 80.69 a 24.36 c 1811.00
1917 35.00 31.00 19.00 146.00 296.57 a 390.52 a 489.05 b 521.00 505.00 c 358.64 b 281.50 0.00 z 3073.27
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 0.00 z 0.00 z 0.00 z 0.00
1926 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
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 0.00 z 0.00 z 0.00
1928 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
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 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 0.00 z 0.00 z 0.00
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 0.00 z 0.00 z 0.00 z 0.00 z 286.00 i 422.00 574.00 637.00 536.50 339.50 258.00 186.50 2953.50
1940 118.00 133.00 222.00 308.50 445.50 498.50 597.00 657.50 605.50 448.50 84.50 0.00 z 4118.50
1941 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
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 58.00 z 755.22 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 755.22
1943 0.00 z 0.00 z 0.00 z 0.00 z 106.00 m 362.14 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 362.14
1944 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
1945 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
1946 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
1947 0.00 z 0.00 z 218.00 249.50 401.50 480.00 566.00 523.79 b 0.00 z 0.00 z 0.00 z 0.00 z 2438.79
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 535.50 524.50 575.00 464.50 283.50 f 84.50 12.50 2196.50
1949 0.00 44.50 148.50 244.50 392.00 381.00 484.00 575.50 530.00 229.52 e 291.35 d 66.65 a 3387.52
1950 5.00 55.50 77.00 166.00 253.50 517.50 539.00 595.00 472.50 326.00 142.00 204.00 3353.00
1951 44.50 64.00 70.50 230.50 377.50 469.50 595.00 529.50 503.50 360.50 174.50 56.50 3476.00
1952 24.50 72.00 94.50 200.00 369.50 377.50 581.00 604.00 551.00 482.00 148.00 83.50 3587.50
1953 159.50 75.00 115.50 204.50 379.50 400.00 564.00 642.00 530.50 427.00 216.00 112.50 3826.00
1954 31.50 54.00 54.00 128.00 348.00 404.50 487.50 550.00 518.50 354.00 284.50 79.50 3294.00
1955 54.00 28.50 44.50 86.50 241.00 440.00 518.00 489.50 471.50 336.00 130.00 48.00 2887.50
1956 46.50 7.00 72.50 238.00 406.50 434.00 477.00 g 607.50 502.00 300.00 124.00 101.00 2839.00
1957 9.00 35.50 133.00 239.50 419.50 492.00 522.50 548.00 638.00 395.00 212.00 150.50 3794.50
1958 133.00 218.00 110.50 216.50 470.50 655.50 692.50 619.50 538.50 400.00 133.50 165.50 4353.50
1959 105.50 81.50 106.50 243.50 339.34 c 449.00 613.50 503.23 a 450.50 334.28 a 135.00 53.50 3415.36
1960 52.50 86.00 115.50 252.00 341.50 377.00 562.00 555.50 493.00 345.00 111.50 78.00 3369.50
1961 91.34 c 126.00 146.00 218.50 365.80 a 528.50 654.00 668.50 472.00 275.00 89.00 63.50 3698.14
1962 58.50 161.00 92.00 265.50 296.00 427.50 538.00 600.50 511.50 392.00 212.00 146.50 3701.00
1963 35.50 218.50 107.00 239.00 385.00 464.00 601.50 624.50 656.00 0.00 z 183.00 126.00 3640.00
1964 79.00 65.50 114.00 156.50 299.00 495.00 560.50 622.50 503.50 441.50 124.00 65.00 3526.00
1965 25.00 98.52 a 180.00 247.50 295.00 436.50 632.50 653.00 471.50 446.00 275.50 94.00 3855.02
1966 80.50 93.50 130.00 277.00 357.50 493.50 565.50 588.00 575.00 352.50 191.50 79.50 p 3704.50
1967 112.00 108.50 78.00 155.00 389.50 560.50 636.00 737.00 663.00 410.00 187.50 63.50 4100.50
1968 101.50 166.50 195.50 159.50 378.00 438.00 622.00 620.50 525.50 319.00 182.00 39.50 3747.50
1969 18.50 35.50 148.50 217.50 422.50 593.50 573.00 541.50 512.00 319.50 189.50 135.50 3707.00
1970 95.00 166.50 169.50 147.50 320.50 524.50 556.00 569.50 455.00 321.00 173.50 40.00 3538.50
1971 76.00 91.50 60.00 200.00 364.50 398.00 634.50 666.00 465.00 343.50 170.50 20.00 3489.50
1972 22.50 72.00 165.50 129.50 441.00 476.50 638.00 639.00 429.00 272.50 141.50 104.50 3531.50
1973 74.00 108.50 120.50 114.50 n 213.50 n 0.00 z 591.77 c 488.77 a 526.00 307.00 81.00 88.50 2386.03
1974 52.50 49.00 129.00 235.50 267.00 425.36 b 546.00 586.50 588.00 314.50 169.50 93.55 c 3456.41
1975 52.18 a 73.50 71.50 111.00 355.50 417.00 603.90 e 552.50 543.00 309.50 135.50 88.50 3313.59
1976 111.00 51.00 50.50 193.00 339.00 391.50 0.00 z 569.00 541.50 435.00 197.00 119.00 2997.50
1977 65.50 185.50 68.20 a 0.00 z 0.00 z 0.00 z 389.50 f 657.50 483.00 312.50 116.00 70.78 a 1958.98
1978 144.50 152.00 194.50 240.50 322.50 0.00 z 594.50 576.50 463.50 359.00 79.50 25.00 3152.00
1979 6.00 0.00 z 0.00 z 246.50 266.00 h 410.00 c 622.50 613.50 0.00 z 0.00 z 90.58 d 154.48 a 2143.56
1980 0.00 z 0.00 z 163.27 a 289.00 393.50 466.50 631.00 583.00 552.00 404.50 208.50 185.50 3876.77
1981 131.50 125.00 238.00 246.00 413.50 491.00 621.50 714.50 573.50 323.50 185.00 70.00 4133.00
1982 30.50 81.50 113.50 144.00 359.00 529.50 579.50 653.50 590.00 382.50 92.00 67.50 3623.00
1983 154.50 154.00 251.50 277.50 467.50 511.50 637.00 665.50 499.50 303.50 191.50 26.00 4139.50
1984 114.50 121.50 235.50 236.50 350.50 456.50 604.50 616.50 520.00 271.50 117.00 13.50 3658.00
1985 14.50 46.00 65.00 255.50 426.50 508.50 693.50 642.50 493.00 299.50 63.00 22.00 3529.50
1986 126.00 97.00 262.50 191.50 399.50 584.50 569.50 724.00 500.00 428.50 164.00 95.00 4142.00
1987 76.50 0.00 z 212.50 325.00 431.00 510.50 590.00 627.50 544.50 397.00 248.50 57.50 4020.50
1988 39.50 132.00 146.50 262.50 383.50 463.50 611.50 624.00 493.00 429.00 138.50 88.50 3812.00
1989 39.00 23.00 91.50 321.50 411.00 536.00 577.00 610.00 546.50 359.50 150.00 127.00 3792.00
1990 86.00 50.50 184.50 304.50 381.50 502.00 677.00 700.50 586.50 251.50 161.00 29.50 3915.00
1991 66.50 178.00 86.00 220.00 368.50 443.50 639.50 590.00 576.00 333.50 192.50 131.00 3825.00
1992 143.50 183.00 277.50 306.50 467.50 585.50 655.50 653.00 479.50 367.00 156.50 17.50 4292.50
1993 42.50 105.50 188.00 270.50 522.00 505.50 566.00 646.50 462.00 387.50 90.00 95.50 3881.50
1994 131.50 49.50 183.50 300.00 420.00 460.50 582.00 612.00 584.50 292.50 39.50 74.00 3729.50
1995 133.50 152.00 177.50 259.00 423.50 500.50 682.50 571.00 606.00 333.50 217.50 113.00 4169.50
1996 104.50 127.50 175.50 296.00 331.00 469.50 661.00 641.00 467.00 292.00 131.00 35.50 3731.50
1997 107.50 82.50 126.50 246.00 479.50 518.00 627.00 706.50 618.00 380.00 211.00 68.00 4170.50
1998 124.50 118.00 194.00 216.00 421.00 511.50 682.50 625.50 510.50 345.50 190.00 71.00 4010.00
1999 65.32 c 60.08 d 84.73 a 184.00 288.30 a 451.50 562.13 a 633.00 460.50 280.03 a 184.29 b 73.00 3326.89
2000 22.98 b 76.00 119.00 271.03 a 336.35 a 492.00 597.50 573.50 516.50 320.33 a 74.00 56.00 3455.20
2001 85.00 41.00 142.00 201.50 352.37 a 414.11 b 531.50 605.00 480.50 289.85 a 166.11 c 36.88 b 3345.81
2002 82.15 a 47.60 c 92.48 a 213.62 a 288.76 d 497.59 a 644.91 c 600.76 b 484.50 288.00 190.86 a 63.15 d 3494.38
2003 156.00 60.50 184.97 a 240.00 a 359.82 c 540.52 a 656.17 a 443.00 h 541.00 419.03 b 0.00 z 32.00 f 3158.01
2004 127.00 118.50 211.32 a 303.62 a 406.88 c 519.64 b 725.29 b 721.00 512.50 380.50 159.50 70.00 4255.75
2005 151.00 86.50 222.00 279.50 528.50 530.40 e 624.00 683.00 429.50 369.50 91.00 111.50 4106.40
2006 124.50 71.50 112.00 237.50 396.50 547.50 659.00 577.00 503.50 314.50 136.00 29.00 h 3679.50
2007 42.50 96.50 175.50 232.50 d 349.50 476.50 667.00 638.00 486.00 285.89 d 106.50 8.50 h 3556.39
2008 20.27 e 63.00 81.00 130.50 388.50 419.00 581.00 653.50 520.50 302.50 187.24 a 37.50 3384.51
2009 30.50 45.50 64.00 189.50 355.50 535.50 678.00 626.50 607.50 341.00 162.60 e 51.50 3687.60
2010 204.00 172.50 178.50 226.00 273.00 483.50 592.50 601.50 576.00 373.50 136.50 91.50 3909.00
2011 75.29 c 47.50 g 123.00 110.00 295.02 a 475.50 582.50 627.75 a 591.72 a 342.03 a 61.00 52.50 3336.31
2012 82.15 a 98.60 d 86.80 a 251.38 a 341.00 267.50 k 593.00 679.00 512.00 315.00 135.50 30.50 3124.93
2013 32.50 66.00 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 98.50
Period of Record Statistics
MEAN 71.62 88.68 137.20 226.82 373.31 478.65 608.84 617.92 518.67 344.91 157.49 78.90 3716.88
S.D. 45.66 48.83 61.33 56.55 60.02 57.85 59.64 56.32 52.29 58.80 58.33 43.40 308.40
SKEW 0.45 0.64 0.43 -0.34 0.09 0.27 0.51 -0.06 0.59 0.17 0.39 0.73 0.11
MAX 204.00 218.50 280.00 334.00 528.50 655.50 821.50 737.00 663.00 484.93 304.50 204.00 4353.50
MIN 0.00 5.70 19.00 86.50 241.00 362.14 484.00 488.77 429.00 202.00 39.50 12.50 2887.50
NO YRS 85 80 80 81 80 83 83 83 86 83 84 76 56