STEHEKIN 3 NW, WASHINGTON

Monthly Total Growing Degree Days

(458059)

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
1931 0.00 0.00 0.00 64.00 230.00 318.50 570.00 502.00 228.00 30.00 0.00 0.00 1942.50
1932 0.00 0.00 a 0.00 46.00 104.50 404.00 396.50 476.50 231.50 71.50 0.00 0.00 1730.50
1933 0.00 0.00 0.00 43.00 68.00 260.00 455.00 474.50 131.50 24.00 3.50 0.00 1459.50
1934 0.00 0.00 0.00 129.00 172.00 365.50 481.00 508.00 203.00 59.00 0.00 0.00 1917.50
1935 0.00 0.00 0.00 7.00 141.50 282.50 451.50 375.00 228.50 45.50 0.00 0.00 1531.50
1936 0.00 0.00 0.00 74.00 227.50 313.00 508.00 508.50 186.50 47.50 0.00 0.00 1865.00
1937 0.00 0.00 0.00 5.50 139.00 258.50 518.00 347.00 233.00 9.50 0.00 0.00 1510.50
1938 0.00 0.00 0.00 19.50 173.00 354.00 581.50 392.50 300.50 16.00 0.00 0.00 1837.00
1939 0.00 0.00 16.50 67.50 160.50 279.50 551.50 517.50 255.00 74.00 0.00 b 0.00 1922.00
1940 0.00 0.00 1.00 38.50 206.50 406.00 529.00 478.50 295.50 42.00 0.00 a 0.00 1997.00
1941 0.00 a 0.00 2.00 62.00 148.00 303.50 629.50 420.57 a 141.00 18.00 0.00 0.00 1724.57
1942 0.00 0.00 0.00 24.83 a 116.77 a 257.50 520.00 535.50 254.50 55.00 0.00 0.00 1764.09
1943 0.00 0.00 0.00 26.00 96.50 239.00 507.00 435.03 a 236.50 82.15 a 0.00 a 0.00 1622.18
1944 0.00 0.00 0.00 26.50 170.00 371.00 556.00 438.00 275.69 a 43.00 0.00 0.00 1880.19
1945 0.00 0.00 0.50 23.50 163.50 306.50 551.50 517.00 205.50 50.50 18.00 0.00 1836.50
1946 0.00 0.00 0.00 16.50 220.50 229.00 469.00 469.00 198.50 23.50 0.00 0.00 a 1626.00
1947 0.00 0.00 b 0.00 54.50 243.50 305.50 472.50 461.38 a 239.50 50.50 0.00 0.00 1827.38
1948 0.00 0.00 0.00 8.00 135.00 414.64 b 424.50 359.00 165.50 10.00 0.00 0.00 a 1516.64
1949 0.00 0.00 0.00 27.50 283.50 297.00 481.50 438.00 235.00 6.50 0.00 0.00 1769.00
1950 0.00 0.00 0.00 0.00 118.00 318.50 491.50 490.50 243.00 5.00 0.00 0.00 1666.50
1951 0.00 0.00 0.00 13.50 188.50 334.00 491.50 519.50 222.00 46.50 0.00 0.00 d 1815.50
1952 0.00 z 0.00 z 0.00 z 45.00 188.00 279.00 526.00 494.00 289.50 76.35 d 0.00 0.00 z 1897.85
1953 0.00 z 0.00 z 0.00 19.00 122.00 196.00 464.50 426.00 249.50 25.50 0.00 0.00 z 1502.50
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 426.00 372.50 200.50 6.00 0.00 z 0.00 z 1005.00
1955 0.00 0.00 0.00 0.00 55.50 315.50 389.50 426.00 221.00 9.50 0.00 0.00 1417.00
1956 0.00 0.00 0.00 60.50 230.00 271.00 553.50 469.50 223.00 20.50 0.00 0.00 1828.00
1957 0.00 0.00 0.00 38.50 270.00 363.50 434.50 345.50 297.50 27.00 0.00 0.00 1776.50
1958 0.00 0.00 0.00 9.50 324.00 491.00 658.00 668.50 223.50 70.50 0.00 0.00 2445.00
1959 0.00 0.00 0.00 5.50 p 88.00 p 324.00 538.00 441.00 140.00 17.50 0.00 0.00 1460.50
1960 0.00 0.00 3.50 21.00 104.50 336.00 644.50 442.00 212.50 34.00 0.00 0.00 1798.00
1961 0.00 0.00 7.50 33.00 167.00 435.00 575.00 604.00 184.00 15.00 0.00 0.00 2020.50
1962 0.00 0.00 0.00 47.00 107.00 310.00 474.50 419.00 223.50 26.50 0.00 0.00 1607.50
1963 0.00 0.00 0.00 14.00 180.50 361.00 425.50 459.00 294.00 65.00 0.00 0.00 1799.00
1964 0.00 0.00 0.00 5.00 138.50 267.00 462.50 342.00 150.00 13.50 0.00 0.00 1378.50
1965 0.00 0.00 0.00 22.00 133.50 330.50 499.50 465.00 173.50 40.00 0.00 0.00 1664.00
1966 0.00 0.00 0.00 26.50 211.00 258.00 463.00 478.50 339.00 32.00 0.00 0.00 1808.00
1967 0.00 0.00 0.00 0.00 149.50 382.00 562.50 626.50 360.00 18.50 0.00 0.00 2099.00
1968 0.00 0.00 0.00 30.00 155.00 309.00 565.50 394.50 251.50 11.00 0.00 0.00 1716.50
1969 0.00 0.00 h 0.00 0.00 212.50 432.50 463.50 416.00 220.00 7.50 0.00 0.00 1752.00
1970 0.00 0.00 0.00 0.00 171.00 452.50 578.00 522.00 147.00 36.00 0.00 0.00 1906.50
1971 0.00 0.00 0.00 9.00 250.00 298.00 611.50 691.00 178.50 67.50 0.00 0.00 2105.50
1972 0.00 0.00 0.00 3.00 238.50 371.00 491.00 560.50 184.00 38.50 0.00 0.00 1886.50
1973 0.00 0.00 0.00 68.00 230.50 348.50 663.50 585.00 331.50 5.00 0.00 0.00 2232.00
1974 0.00 0.00 0.00 k 25.50 103.50 442.00 497.03 a 586.50 345.00 43.00 0.00 0.00 2042.53
1975 0.00 0.00 0.00 14.50 178.00 355.50 654.50 148.00 r 321.50 30.50 0.00 a 0.00 1554.50
1976 0.00 0.00 0.00 2.50 z 134.50 281.50 513.00 414.00 377.50 76.00 0.00 0.00 1796.50
1977 0.00 0.00 0.00 102.50 112.00 478.50 555.00 736.50 198.00 4.50 0.00 0.00 2187.00
1978 0.00 0.00 0.00 26.50 154.00 479.50 627.50 550.50 184.00 33.14 b 0.00 0.00 2055.14
1979 0.00 0.00 0.00 51.00 241.50 459.00 657.50 592.50 342.00 109.50 0.00 0.00 2453.00
1980 0.00 0.00 0.00 a 66.50 191.00 313.00 604.00 500.00 266.00 53.50 0.00 0.00 1994.00
1981 0.00 0.00 4.50 51.00 171.50 248.50 526.00 700.50 295.50 7.50 0.00 0.00 2005.00
1982 0.00 0.00 0.00 10.50 156.50 484.00 521.50 556.50 287.50 14.50 0.00 0.00 z 2031.00
1983 0.00 0.00 0.00 41.50 295.50 377.50 404.50 581.00 195.50 15.00 0.00 0.00 1910.50
1984 0.00 0.00 0.00 15.00 0.00 z 322.00 602.50 565.50 209.00 63.00 0.00 0.00 1777.00
1985 0.00 0.00 0.00 42.00 240.00 404.50 813.50 567.00 173.00 32.50 0.00 0.00 2272.50
1986 0.00 0.00 0.50 31.00 212.00 503.50 474.50 733.50 226.00 46.50 0.00 0.00 2227.50
1987 0.00 0.00 0.00 86.50 259.00 456.50 592.00 580.50 410.50 78.50 7.00 0.00 2470.50
1988 0.00 0.00 1.00 73.00 202.00 365.00 595.50 569.00 287.50 133.50 0.00 0.00 2226.50
1989 0.00 0.00 0.00 55.00 181.35 a 470.00 565.00 538.50 318.00 61.00 6.50 0.00 2195.35
1990 0.00 0.00 4.50 88.50 133.00 351.00 699.50 617.00 423.00 9.00 0.00 0.00 2325.50
1991 0.00 0.00 0.00 42.00 165.50 308.50 603.00 621.00 381.50 92.50 0.00 0.00 2214.00
1992 0.00 0.00 4.00 76.00 318.50 595.00 569.50 634.00 220.50 78.00 0.00 0.00 2495.50
1993 0.00 0.00 0.00 6.00 344.00 343.00 442.00 532.00 348.00 96.50 0.00 0.00 2111.50
1994 0.00 0.00 8.50 95.50 261.50 340.00 750.00 606.50 420.00 54.50 0.00 0.00 2536.50
1995 0.00 0.00 0.00 33.00 296.50 401.00 637.50 415.00 411.50 15.50 0.00 0.00 2210.00
1996 0.00 0.00 0.00 20.50 103.00 344.00 644.50 591.00 236.50 59.00 0.00 0.00 1998.50
1997 0.00 0.00 0.00 z 4.50 203.50 0.00 z 0.00 z 615.50 0.00 z 18.50 0.00 0.00 842.00
1998 0.00 0.00 0.00 48.50 272.50 408.00 751.00 711.50 505.00 50.00 0.00 0.00 2746.50
1999 0.00 0.00 0.00 41.00 138.50 326.50 522.00 611.00 265.50 30.50 0.00 0.00 1935.00
2000 0.00 0.00 0.00 65.50 184.50 379.50 589.00 596.00 269.00 27.50 0.00 0.00 2111.00
2001 0.00 a 0.00 0.00 39.00 240.50 309.50 641.00 676.50 418.00 22.00 0.00 0.00 2346.50
2002 0.00 0.00 0.00 31.50 179.50 475.50 664.00 651.00 332.00 83.00 0.00 0.00 2416.50
2003 0.00 0.00 0.00 z 25.00 215.00 511.50 786.00 695.50 421.00 93.00 0.00 0.00 2747.00
2004 0.00 0.00 z 0.00 z 83.00 0.00 z 327.00 f 691.50 667.00 258.00 65.00 0.00 0.00 1764.50
2005 0.00 0.00 2.00 80.00 247.00 331.00 623.00 686.50 308.00 53.00 0.00 0.00 2330.50
2006 0.00 0.00 0.00 36.50 194.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 231.00
Period of Record Statistics
MEAN 0.00 0.00 0.80 37.48 187.15 355.74 553.02 527.17 262.93 41.63 0.47 0.00 1968.13
S.D. 0.00 0.00 2.51 28.29 62.32 78.96 92.93 102.85 80.33 28.52 2.37 0.00 305.99
SKEW 0.00 0.00 4.38 0.81 0.33 0.59 0.56 0.15 0.73 0.77 6.09 0.00 0.27
MAX 0.00 0.00 16.50 129.00 344.00 595.00 813.50 736.50 505.00 133.50 18.00 0.00 2746.50
MIN 0.00 0.00 0.00 0.00 55.50 196.00 389.50 342.00 131.50 4.50 0.00 0.00 1378.50
NO YRS 73 71 70 73 72 72 74 74 74 75 74 71 62