WELLPINIT, WASHINGTON

Monthly Total Growing Degree Days

(459058)

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
1948 0.00 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
1949 0.00 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
1950 0.00 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
1951 0.00 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
1952 0.00 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
1953 0.00 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
1954 0.00 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
1955 0.00 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
1956 0.00 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
1957 0.00 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
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 278.00 w 986.50 510.50 277.28 d 24.00 f 2.00 j 1774.28
1959 2.00 i 0.00 c 14.43 b 205.71 b 307.79 c 613.85 d 931.66 c 714.72 d 346.50 g 56.50 p 16.50 i 3.50 o 2788.16
1960 0.00 i 0.00 j 71.00 f 169.29 b 327.50 639.50 1042.00 750.50 582.50 198.00 4.50 0.00 3713.79
1961 0.00 4.00 46.00 163.93 b 444.50 799.50 935.50 1011.00 455.50 151.00 0.00 0.00 4010.93
1962 0.00 2.00 10.00 264.00 298.50 567.50 753.76 d 742.00 562.00 185.50 22.00 0.00 3407.26
1963 0.00 6.46 b 50.00 113.00 236.50 j 663.00 1044.70 a 0.00 z 139.00 x 294.00 6.00 0.00 b 2177.16
1964 0.00 b 0.00 9.00 h 106.00 334.00 582.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 j 1022.50
1965 0.00 0.00 e 21.81 d 171.00 e 0.00 z 259.00 q 849.50 856.12 a 422.22 c 340.47 b 38.08 d 0.60 e 2699.79
1966 0.00 z 0.00 z 46.00 l 166.50 516.15 a 593.33 c 868.52 a 910.50 776.50 309.47 b 46.00 1.50 f 4186.97
1967 0.00 l 9.00 n 11.00 o 88.50 399.50 707.50 916.10 b 1038.50 807.50 245.42 a 34.82 b 0.00 x 4237.84
1968 0.50 i 0.00 z 0.00 z 0.00 z 230.00 k 0.00 z 584.50 l 494.50 i 472.50 f 98.00 h 2.50 o 0.00 g 0.00
1969 0.00 0.00 36.34 b 158.00 508.50 725.00 790.00 720.50 447.50 64.50 7.00 0.00 d 3457.34
1970 0.00 0.00 18.00 34.50 h 345.02 d 773.50 950.00 920.50 414.00 160.50 23.57 b 1.50 3606.59
1971 17.29 e 1.50 10.00 154.50 510.00 525.50 899.50 1025.00 394.50 215.50 1.00 0.00 3754.29
1972 1.50 17.00 76.00 77.00 441.50 610.50 785.00 957.50 366.00 181.50 2.50 1.50 3517.50
1973 0.00 7.50 38.50 183.50 425.00 556.00 0.00 z 903.00 535.50 188.50 6.00 0.50 2844.00
1974 9.00 0.00 26.87 a 186.00 289.00 765.00 821.50 877.50 639.50 307.50 19.50 0.00 3941.37
1975 0.00 0.00 9.50 102.00 388.00 577.00 1011.63 a 745.00 638.50 202.00 48.50 9.00 3731.13
1976 0.00 0.00 13.00 160.00 430.00 543.00 853.00 730.00 652.50 211.50 26.00 0.00 3619.00
1977 0.00 19.50 20.00 324.50 349.50 747.00 836.00 979.00 375.00 100.50 8.00 0.00 b 3759.00
1978 0.00 0.00 33.50 169.00 339.50 681.00 898.50 719.00 399.00 204.00 13.00 0.00 3456.50
1979 0.00 a 0.00 28.50 132.00 398.00 647.50 891.50 852.50 636.00 276.00 0.00 0.00 3862.00
1980 0.00 1.50 5.96 e 276.00 481.69 e 568.50 689.50 g 737.05 b 531.00 260.00 50.00 13.50 2925.21
1981 1.50 16.00 81.00 177.00 364.00 276.00 j 880.50 1025.50 607.50 198.50 34.50 0.00 3386.00
1982 0.00 a 16.50 56.50 185.17 a 439.50 702.00 775.50 813.50 584.00 203.50 7.50 0.50 3784.17
1983 0.00 0.00 72.00 174.50 486.00 573.50 676.00 896.50 529.00 205.50 8.50 0.00 3621.50
1984 0.00 9.50 153.50 222.00 436.00 647.00 956.50 990.00 583.00 252.00 1.00 0.00 4250.50
1985 0.00 0.00 35.50 299.00 612.00 674.00 1167.50 875.48 b 537.50 294.50 23.50 0.00 4518.98
1986 0.00 30.00 188.00 213.00 564.50 869.00 845.00 1050.00 523.50 421.00 56.00 0.00 4760.00
1987 0.00 32.00 146.50 444.31 a 636.00 778.00 897.00 888.00 779.50 392.00 107.50 12.00 5112.81
1988 0.00 38.00 101.00 395.50 539.00 630.00 987.50 999.00 752.22 c 433.00 23.00 0.00 4898.22
1989 0.00 0.00 10.50 287.00 423.00 685.00 871.00 822.50 474.00 0.00 z 0.00 z 0.00 b 3573.00
1990 0.00 0.00 4.00 74.00 0.00 z 498.50 1022.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1598.50
1991 0.00 z 0.00 z 0.00 z 0.00 z 258.00 349.00 854.50 0.00 z 0.00 z 0.00 z 11.50 0.50 1473.50
1992 0.00 z 16.00 135.00 256.00 0.00 z 823.50 794.00 873.00 510.50 198.00 1.00 0.00 3607.00
1993 0.00 2.50 38.00 183.50 0.00 z 649.00 667.00 803.50 639.00 373.00 0.00 z 0.00 z 3355.50
1994 0.00 z 2.00 136.50 332.00 537.50 593.50 1078.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2679.50
1995 0.00 z 0.00 z 44.50 238.00 573.00 0.00 z 848.50 667.00 627.50 87.50 0.00 w 0.00 m 3086.00
1996 1.50 6.50 32.00 252.00 302.50 610.00 917.00 845.00 474.00 226.00 7.50 0.00 3674.00
1997 0.50 2.00 52.50 145.50 522.00 583.00 828.00 919.50 621.00 209.50 6.00 0.50 3890.00
1998 0.00 10.50 111.50 235.00 515.00 0.00 z 989.50 915.00 762.50 203.00 0.00 z 0.00 a 3742.00
1999 0.00 0.00 65.50 192.50 379.23 a 704.46 b 773.45 a 889.70 a 512.50 179.50 63.75 b 2.50 3763.10
2000 0.00 0.00 b 36.00 334.00 392.50 653.00 846.00 868.00 484.20 e 214.23 c 4.00 l 0.00 z 3827.93
2001 0.00 c 0.00 z 33.00 g 96.00 f 322.50 f 402.00 g 570.00 f 874.64 c 457.50 h 136.83 b 34.80 e 0.00 p 1046.27
2002 0.00 6.00 9.00 141.50 319.00 620.00 871.00 756.00 528.00 115.00 j 21.00 0.00 z 3271.50
2003 2.50 0.00 z 0.00 z 0.00 z 328.50 0.00 z 877.00 547.50 j 548.40 e 180.50 i 0.00 z 0.00 z 1756.40
2004 0.00 z 0.00 e 0.00 z 120.50 j 179.50 m 436.50 h 821.00 634.50 g 0.00 z 143.50 m 1.00 p 0.00 z 821.00
2005 0.00 z 0.00 j 23.50 j 111.50 m 202.00 n 323.00 l 355.00 r 771.42 e 209.00 o 109.50 p 1.50 i 0.00 r 771.42
2006 0.00 z 0.00 k 15.00 n 109.50 k 290.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.94 6.50 53.17 203.80 425.29 645.49 885.90 867.99 558.51 232.45 22.46 1.33 3942.36
S.D. 3.21 9.91 47.78 84.41 97.67 99.56 102.76 105.24 116.42 85.55 23.35 3.42 488.97
SKEW 4.26 1.74 1.24 0.84 0.30 -0.18 0.38 -0.03 0.42 0.53 1.66 2.80 1.17
MAX 17.29 38.00 188.00 444.31 636.00 869.00 1167.50 1050.00 807.50 433.00 107.50 13.50 5112.81
MIN 0.00 0.00 4.00 74.00 258.00 349.00 667.00 667.00 366.00 64.50 0.00 0.00 3407.26
NO YRS 36 38 37 40 38 38 41 40 38 37 34 32 21