NORTHPORT, WASHINGTON

Monthly Total Growing Degree Days

(455946)

Base Temperature = 50 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
1920 0.00 0.00 0.00 19.50 121.50 291.00 664.50 552.50 231.00 39.50 0.00 0.00 1919.50
1921 0.00 0.00 0.00 6.00 233.50 441.50 544.50 596.50 148.50 56.50 0.00 0.00 2027.00
1922 0.00 0.00 0.00 29.00 178.00 500.50 622.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1330.00
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 52.00 0.00 0.00 52.00
1928 0.00 0.00 1.50 52.50 359.50 384.50 653.50 520.00 310.00 26.50 0.00 0.00 2308.00
1929 0.00 0.00 0.00 41.00 238.50 353.00 620.00 639.00 234.00 43.50 0.00 0.00 2169.00
1930 0.00 0.00 6.00 106.00 176.00 337.50 617.50 659.50 343.00 41.00 0.50 0.00 2287.00
1931 0.00 0.00 3.50 71.50 299.00 400.00 656.00 592.00 239.50 21.50 0.00 0.00 2283.00
1932 0.00 0.00 0.00 42.50 199.50 448.50 537.00 586.00 298.50 63.00 0.00 0.00 2175.00
1933 0.00 0.00 0.00 68.00 125.00 396.50 584.50 602.50 178.00 45.50 0.00 0.00 2000.00
1934 0.00 c 0.00 0.50 207.50 302.00 442.50 642.50 621.50 243.50 87.00 0.50 0.00 2547.50
1935 0.00 0.00 0.00 2.00 176.50 333.00 554.50 429.00 228.50 22.00 0.00 0.00 1745.50
1936 0.00 0.00 0.00 159.00 399.00 490.00 702.50 656.50 308.50 96.00 0.00 0.00 2811.50
1937 0.00 0.00 0.00 31.00 287.50 469.50 703.50 499.00 389.50 80.50 0.00 0.00 2460.50
1938 0.00 0.00 0.00 68.50 262.00 570.50 747.50 560.00 543.00 86.50 0.00 0.00 2838.00
1939 0.00 0.00 1.00 110.00 310.50 339.50 655.00 651.50 304.50 62.00 0.00 0.00 2434.00
1940 0.00 0.00 6.50 74.50 338.50 537.50 694.50 605.00 481.50 101.00 0.00 0.00 2839.00
1941 0.00 0.00 23.50 138.50 234.50 442.00 736.00 558.00 166.00 37.50 0.50 0.00 2336.50
1942 0.00 0.00 3.00 84.50 190.00 332.00 624.00 647.00 391.00 102.50 0.00 0.00 2374.00
1943 0.00 0.00 0.00 101.00 152.50 317.50 637.00 539.50 361.50 116.00 0.00 0.00 2225.00
1944 0.00 0.00 0.00 73.50 279.00 439.00 644.00 567.50 398.50 85.50 1.00 0.00 2488.00
1945 0.00 0.00 z 0.00 z 0.00 z 0.00 z 394.50 661.50 639.00 272.50 130.00 0.00 0.00 2097.50
1946 0.00 0.00 0.00 79.00 291.50 326.00 621.00 582.50 283.00 19.00 0.00 0.00 z 2202.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 522.00 542.50 502.50 300.50 41.73 e 0.00 0.00 1909.23
1949 0.00 0.00 0.00 97.24 a 348.50 382.50 623.50 579.00 357.00 21.50 0.50 0.00 2409.74
1950 0.00 0.00 0.00 10.50 179.00 430.00 657.00 654.00 408.00 15.50 0.00 0.00 2354.00
1951 0.00 0.00 0.00 37.50 257.00 403.00 666.50 577.50 314.50 69.50 0.00 0.00 2325.50
1952 0.00 0.00 0.00 98.50 260.50 396.00 623.00 586.50 419.50 145.00 0.00 0.00 2529.00
1953 0.00 0.00 0.00 a 37.00 198.00 334.50 603.00 600.00 332.00 50.00 2.50 0.00 2157.00
1954 0.00 0.00 0.00 25.00 251.50 297.50 511.00 403.00 211.50 23.00 1.50 0.00 1724.00
1955 0.00 0.00 0.00 2.00 91.00 394.50 512.50 467.50 232.00 31.52 a 2.00 0.00 1733.02
1956 0.00 0.00 0.00 0.00 z 197.50 r 302.14 b 633.00 541.00 267.00 22.00 0.00 0.00 1765.14
1957 0.00 0.00 a 0.00 44.00 322.00 342.50 435.50 275.00 229.50 0.00 z 0.00 z 0.00 z 1648.50
1958 0.00 z 0.00 z 0.00 z 0.00 z 456.65 e 537.00 647.00 723.00 220.50 87.00 0.00 0.00 d 2671.15
1959 0.00 c 0.00 0.00 a 53.89 c 175.67 d 407.50 649.50 467.00 215.00 20.00 0.00 a 0.00 g 1988.56
1960 0.00 0.00 6.00 43.00 146.00 410.89 b 740.50 452.08 a 233.00 55.50 0.00 a 0.00 b 2086.98
1961 0.00 0.00 i 1.55 a 24.50 256.00 573.50 714.50 749.68 a 234.50 16.65 d 0.00 0.00 j 2570.88
1962 0.00 h 0.00 k 0.00 b 95.50 194.00 403.00 564.72 a 297.50 l 337.78 c 32.60 b 0.00 0.00 f 1627.60
1963 0.00 0.00 3.50 48.00 262.00 455.50 563.88 b 475.50 g 451.07 b 91.97 a 0.00 d 0.00 j 1875.92
1964 0.00 c 0.00 b 0.00 j 10.96 d 109.50 k 393.50 577.50 410.50 176.00 26.00 0.00 0.00 1594.46
1965 0.00 0.00 0.00 67.50 170.50 420.00 660.00 619.00 179.50 75.00 0.00 0.00 2191.50
1966 0.00 0.00 9.00 48.00 296.00 346.50 571.36 b 565.50 449.50 55.50 0.00 0.00 2341.36
1967 0.00 0.00 0.00 4.00 215.50 513.50 649.50 730.00 511.00 61.50 0.00 0.00 2685.00
1968 0.00 0.00 0.50 47.50 207.50 395.00 651.50 510.50 316.00 15.50 0.00 0.00 2144.00
1969 0.00 0.00 1.50 60.00 332.00 545.00 555.50 546.50 333.50 17.50 0.00 0.00 2391.50
1970 0.00 0.00 2.00 3.00 268.50 540.00 671.00 623.50 194.00 42.00 0.00 0.00 2344.00
1971 0.00 0.00 0.00 47.50 294.50 354.50 600.00 721.50 224.00 75.50 0.00 0.00 2317.50
1972 0.00 0.00 1.50 19.00 304.50 402.00 536.50 658.00 216.00 37.00 0.00 0.00 2174.50
1973 0.00 0.00 0.00 43.50 271.50 403.50 662.00 617.00 341.00 15.50 0.00 0.00 2354.00
1974 0.00 0.00 0.00 70.00 159.00 544.50 583.50 595.00 343.00 32.50 0.00 0.00 2327.50
1975 0.00 0.00 0.00 17.50 218.00 351.00 709.50 408.00 310.00 66.00 9.50 0.00 b 2089.50
1976 0.00 0.00 0.00 48.00 262.00 325.50 568.00 508.50 406.00 64.14 b 0.00 d 0.00 2182.14
1977 0.00 0.00 0.00 139.50 151.00 519.50 578.50 677.50 223.50 16.50 0.00 0.00 2306.00
1978 0.00 0.00 7.50 70.00 186.50 467.00 662.00 534.00 265.50 45.00 0.00 0.00 2237.50
1979 0.00 0.00 0.00 56.00 251.00 474.00 678.50 667.50 384.50 110.50 0.00 0.00 2622.00
1980 0.00 a 0.00 0.00 b 66.00 h 0.00 z 0.00 z 0.00 z 206.50 n 246.50 48.50 3.00 0.00 298.00
1981 0.00 0.00 9.50 62.00 222.00 262.50 b 537.00 622.50 276.60 e 0.00 0.00 0.00 n 1992.10
1982 0.00 0.00 0.00 13.00 153.00 494.00 492.50 511.00 267.50 12.50 0.00 0.00 1943.50
1983 0.00 0.00 0.00 56.50 297.50 388.50 0.00 z 635.00 206.50 2.00 0.00 0.00 1586.00
1984 0.00 0.00 0.00 54.50 100.50 330.50 640.50 587.50 180.00 55.50 0.00 0.00 1949.00
1985 0.00 0.00 0.00 e 11.00 q 283.00 407.50 773.00 510.47 a 157.50 9.00 0.00 0.00 2140.47
1986 0.00 0.00 2.50 16.00 265.00 504.50 479.50 703.70 a 203.50 42.00 0.00 0.00 2216.70
1987 0.00 0.00 0.00 128.50 303.00 492.00 578.00 528.00 413.00 54.00 5.00 0.00 2501.50
1988 0.00 0.00 0.00 111.50 263.50 412.50 595.00 591.50 291.00 120.00 0.00 0.00 2385.00
1989 0.00 0.00 0.00 74.50 195.00 471.50 632.00 525.00 325.00 15.00 0.00 0.00 2238.00
1990 0.00 0.00 5.50 99.50 175.00 347.00 637.00 594.00 429.50 20.50 1.00 0.00 2309.00
1991 0.00 0.00 2.00 46.50 169.00 318.00 607.00 628.50 371.50 56.00 0.00 0.00 2198.50
1992 0.00 0.00 3.50 94.50 305.00 537.50 580.50 576.00 225.00 56.00 0.00 0.00 2378.00
1993 0.00 0.00 0.00 12.00 387.50 376.00 417.00 483.50 309.50 66.00 0.00 0.00 2051.50
1994 0.00 0.00 5.00 86.50 257.00 382.50 672.50 0.00 z 396.00 34.00 0.00 0.00 1833.50
1995 0.00 0.00 0.00 21.00 275.50 380.00 585.50 459.50 395.00 16.50 0.00 0.00 2133.00
1996 0.00 0.00 0.00 33.00 107.00 361.00 635.50 564.00 211.00 47.50 0.00 a 0.00 1959.00
1997 0.00 0.00 0.00 20.00 249.00 337.00 539.50 617.50 339.00 29.00 0.00 0.00 2131.00
1998 0.00 0.00 1.00 64.50 291.00 396.00 734.00 656.00 449.00 14.00 0.00 0.00 2605.50
1999 0.00 0.00 0.00 33.00 155.00 a 334.00 487.50 646.00 256.50 25.00 0.00 0.00 1937.00
2000 0.00 0.00 0.00 63.50 151.00 351.50 538.50 533.00 224.50 19.50 0.00 0.00 1881.50
2001 0.00 0.00 0.00 33.50 237.50 302.00 581.50 634.50 364.50 15.00 0.00 0.00 a 2168.50
2002 0.00 0.00 0.00 31.00 164.00 442.00 658.50 524.50 279.50 29.50 0.00 0.00 2129.00
2003 0.00 0.00 2.00 32.50 202.00 447.50 665.50 651.00 310.00 112.50 0.00 0.00 2423.00
2004 0.00 0.00 7.00 78.50 199.50 427.00 625.50 656.00 258.50 60.50 0.00 0.00 2312.50
2005 0.00 l 0.00 0.00 71.50 261.50 343.00 565.00 561.00 235.50 26.50 0.00 0.00 2064.00
2006 0.00 0.00 0.00 49.50 269.50 478.97 a 432.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 797.97
Period of Record Statistics
MEAN 0.00 0.00 1.51 57.61 237.87 411.23 615.18 576.99 298.89 49.12 0.35 0.00 2260.42
S.D. 0.00 0.00 3.44 39.38 72.73 75.02 70.60 84.82 88.78 32.66 1.29 0.00 247.55
SKEW 0.00 0.00 3.98 1.11 0.29 0.35 -0.34 -0.69 0.53 0.86 5.38 0.00 0.11
MAX 0.00 0.00 23.50 207.50 456.65 573.50 773.00 749.68 543.00 145.00 9.50 0.00 2839.00
MIN 0.00 0.00 0.00 2.00 91.00 262.50 417.00 275.00 148.50 0.00 0.00 0.00 1724.00
NO YRS 77 76 77 75 76 80 78 75 79 79 79 73 62