CLEARWATER, WASHINGTON

Monthly Total Growing Degree Days

(451496)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
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 71.50 114.04 c 239.00 410.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 959.04
Period of Record Statistics
MEAN 78.71 95.82 141.46 230.12 379.03 477.56 602.97 613.51 522.32 349.76 158.15 83.05 3716.25
S.D. 45.66 50.34 59.41 54.44 61.17 59.94 55.41 56.35 54.68 56.04 56.37 45.73 323.89
SKEW 0.05 0.61 0.35 -0.54 0.06 0.31 0.27 -0.01 0.64 0.24 0.22 0.65 0.07
MAX 159.50 218.50 277.50 325.00 528.50 655.50 755.22 737.00 663.00 482.00 291.35 204.00 4353.50
MIN 0.00 7.00 44.50 86.50 241.00 362.14 484.00 488.77 429.00 229.52 39.50 12.50 2887.50
NO YRS 58 56 59 58 57 59 59 60 59 57 59 57 46