STAMPEDE PASS, WASHINGTON

Monthly Total Growing Degree Days

(458009)

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
1944 1.50 0.00 3.00 38.00 169.00 265.50 508.00 456.50 438.00 286.50 0.00 1.00 2167.00
1945 0.00 0.00 0.00 17.50 188.50 245.00 568.00 567.50 282.00 224.00 5.00 0.00 2097.50
1946 0.00 0.50 0.50 30.00 198.00 212.50 496.00 548.50 267.50 23.50 0.00 0.00 1777.00
1947 0.00 0.00 59.50 97.50 280.50 210.50 419.00 413.00 363.50 53.50 1.50 0.00 1898.50
1948 0.00 a 0.00 5.50 10.00 105.50 384.00 383.00 361.00 266.00 88.00 0.00 0.00 z 1603.00
1949 0.00 0.00 2.50 48.00 252.50 255.50 403.50 460.50 387.50 51.50 45.50 0.00 1907.00
1950 0.00 0.00 0.00 2.00 74.00 274.00 498.00 565.00 422.00 43.00 8.50 6.00 1892.50
1951 0.00 0.50 1.00 76.50 131.00 390.50 523.50 474.00 423.50 94.50 0.00 0.00 2115.00
1952 0.00 0.50 2.00 60.00 172.50 202.50 547.00 508.50 473.00 320.00 5.50 0.00 2291.50
1953 0.00 0.00 6.50 14.50 78.50 119.50 474.50 497.00 357.50 172.00 2.50 0.00 1722.50
1954 0.00 3.50 0.00 5.50 131.50 139.50 377.50 320.50 278.00 77.00 14.50 0.00 1347.50
1955 0.00 0.00 0.00 8.50 30.00 238.50 350.00 446.50 298.00 86.50 7.50 0.00 1465.50
1956 0.00 0.00 0.00 77.50 255.50 179.00 560.00 536.00 331.50 72.50 1.00 7.00 2020.00
1957 0.00 0.00 0.00 54.50 270.00 282.50 374.50 398.50 518.50 77.50 13.00 6.50 1995.50
1958 0.00 0.00 0.00 25.50 363.50 454.00 705.50 615.50 301.50 186.00 3.00 2.50 2657.00
1959 0.00 0.00 3.00 18.50 95.00 277.00 552.50 381.00 193.50 106.50 16.50 0.00 1643.50
1960 0.00 0.00 59.00 61.50 65.50 286.00 625.00 357.00 355.50 169.50 0.00 0.00 1979.00
1961 0.00 0.00 0.50 5.00 125.50 465.50 568.50 674.50 207.00 98.50 0.00 0.00 2145.00
1962 24.00 22.00 9.00 69.50 24.50 278.00 466.50 407.50 376.50 126.00 0.00 1.00 1804.50
1963 0.00 7.50 3.50 5.50 196.50 219.50 338.50 517.00 493.50 168.50 0.00 0.00 1950.00
1964 0.00 0.00 4.50 0.00 90.50 195.50 452.00 339.50 216.50 145.00 0.00 0.00 1443.50
1965 3.50 3.50 28.00 38.50 92.50 299.50 582.50 496.50 277.50 216.50 11.00 0.00 2049.50
1966 0.00 0.00 32.50 34.00 190.50 215.00 423.00 482.00 431.00 112.50 12.00 0.00 1932.50
1967 0.00 0.00 0.00 2.00 141.00 437.50 540.00 768.00 496.00 78.50 4.00 0.50 2467.50
1968 12.50 10.00 23.50 37.50 163.50 266.50 599.00 420.00 328.50 31.00 0.00 0.00 1892.00
1969 1.50 0.00 16.50 15.50 260.50 481.00 439.00 413.00 301.50 58.50 33.00 0.00 2020.00
1970 0.00 1.50 0.00 0.00 121.00 404.00 511.00 532.00 205.00 101.00 6.50 0.00 1882.00
1971 3.50 1.00 0.00 21.00 155.00 182.00 612.50 635.00 216.00 143.00 0.00 0.00 1969.00
1972 0.00 0.00 18.50 4.00 200.50 284.00 536.00 596.00 224.50 159.50 0.00 0.00 2023.00
1973 0.00 0.00 0.00 30.00 181.50 238.00 514.50 389.00 321.50 57.50 0.00 0.00 1732.00
1974 0.00 0.00 1.00 6.00 47.00 318.00 436.00 563.50 479.00 213.00 0.00 0.00 2063.50
1975 3.50 0.00 0.00 6.50 108.00 175.00 543.00 312.00 422.00 48.50 15.00 2.00 1635.50
1976 7.00 2.50 0.00 39.50 113.00 195.00 451.50 423.00 440.00 143.50 17.50 0.00 1832.50
1977 7.00 6.00 1.00 155.00 66.00 373.50 403.00 664.50 217.00 63.50 0.00 0.00 1956.50
1978 0.00 0.00 40.50 16.00 83.00 380.00 504.50 454.50 191.00 170.00 11.50 0.00 1851.00
1979 0.00 0.00 20.00 50.50 173.00 285.00 510.50 490.00 410.00 218.00 0.00 7.00 2164.00
1980 0.00 0.00 0.00 90.00 158.50 206.00 477.50 381.00 335.00 178.00 11.50 36.50 1874.00
1981 0.00 0.00 11.00 60.50 110.00 158.50 438.50 660.00 353.50 105.50 16.50 0.00 1914.00
1982 0.00 0.00 0.00 16.50 116.50 414.50 457.50 486.00 330.00 82.50 0.00 0.00 1903.50
1983 5.00 0.00 0.00 71.50 236.50 221.00 364.00 514.00 204.50 78.00 1.00 0.00 1695.50
1984 7.50 3.00 21.00 9.00 55.00 202.00 518.00 469.50 227.00 81.50 0.00 0.00 1593.50
1985 2.00 0.00 0.50 70.50 180.50 278.50 697.00 460.50 199.00 51.50 1.50 2.00 1943.50
1986 0.00 11.00 23.50 33.50 214.50 409.50 327.50 670.50 191.00 211.50 14.50 0.00 2107.00
1987 0.00 0.00 16.00 96.00 215.50 414.00 388.50 547.50 479.00 295.50 17.00 0.00 2469.00
1988 0.00 16.00 6.00 57.50 127.50 250.00 476.50 504.50 367.00 317.00 3.00 0.00 2125.00
1989 0.00 0.00 0.00 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
1990 0.00 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
1991 0.00 0.00 z 9.50 0.00 z 61.00 192.00 521.00 555.00 461.50 227.50 2.50 0.00 2030.00
1992 0.00 0.00 82.00 93.00 0.00 z 434.00 515.50 0.00 z 0.00 z 124.00 0.00 0.00 1248.50
1993 0.00 0.00 8.50 3.00 297.50 209.00 261.00 481.50 470.50 194.50 1.00 0.00 1926.50
1994 5.00 0.00 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 5.00
1995 0.00 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
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 612.00 565.00 244.50 149.83 d 8.33 c 0.00 1579.67
1997 0.00 0.00 6.50 5.69 a 221.50 224.00 444.33 a 600.00 377.14 b 50.50 7.00 0.00 1936.67
1998 0.00 f 0.00 7.00 92.00 120.50 309.00 633.00 590.00 511.50 99.00 1.00 1.00 2364.00
1999 0.00 0.00 10.00 46.50 76.00 193.00 453.50 548.50 382.00 110.00 27.50 0.00 a 1847.00
2000 0.00 0.00 2.00 76.00 94.50 319.00 443.50 439.00 298.50 64.00 3.50 0.00 1740.00
2001 0.00 0.00 15.50 44.50 196.50 209.00 422.00 558.00 397.00 67.00 7.50 0.00 1917.00
2002 0.00 2.00 0.00 25.50 106.00 342.50 536.50 508.50 351.50 116.50 17.00 0.00 2006.00
2003 0.00 0.00 14.00 20.50 160.50 385.00 604.00 586.50 448.00 230.50 1.50 0.00 2450.50
2004 0.00 0.00 29.50 110.00 136.50 416.50 713.00 754.50 359.50 216.50 44.50 3.00 2783.50
2005 56.50 34.50 89.00 132.50 319.50 328.50 610.50 681.00 364.00 187.00 4.50 0.50 2808.00
2006 0.00 0.00 3.00 88.50 288.00 462.50 684.50 628.00 496.00 216.00 22.50 0.00 2889.00
2007 2.50 7.50 22.00 27.50 181.00 273.00 609.50 476.50 302.50 63.00 21.50 0.00 1986.50
2008 0.00 3.00 0.50 19.00 196.50 256.00 524.00 548.00 419.50 105.50 88.00 21.18 a 2181.18
2009 0.00 z 0.00 l 0.00 u 71.50 g 269.00 438.00 730.00 565.00 429.00 80.50 g 15.00 a 4.50 m 2446.00
2010 0.00 f 0.50 3.00 60.50 138.00 260.00 531.00 507.00 302.00 138.97 b 16.00 p 0.00 p 1940.97
2011 12.50 0.00 0.00 b 0.00 g 25.00 h 184.50 393.00 517.00 494.00 37.50 i 0.00 0.00 g 1601.00
2012 0.00 z 0.00 g 0.00 u 0.00 z 0.00 z 182.00 f 333.50 i 617.00 468.50 101.50 s 7.00 h 0.00 o 1085.50
2013 13.00 g 0.00 h 0.00 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
Period of Record Statistics
MEAN 2.50 2.17 11.45 42.19 158.54 287.27 502.87 514.12 351.16 133.00 9.08 1.63 1997.98
S.D. 8.05 5.77 18.94 36.02 76.34 94.00 100.75 100.97 97.50 73.81 14.42 5.56 313.84
SKEW 5.36 3.85 2.50 0.93 0.48 0.46 0.17 0.23 -0.07 0.73 3.21 4.99 0.88
MAX 56.50 34.50 89.00 155.00 363.50 481.00 730.00 768.00 518.50 320.00 88.00 36.50 2889.00
MIN 0.00 0.00 0.00 0.00 24.50 119.50 261.00 312.00 191.00 23.50 0.00 0.00 1347.50
NO YRS 62 63 63 60 61 63 64 64 64 62 63 60 56