STAMPEDE PASS WSCMO, WASHINGTON

Monthly Total Snowfall (Inches)

(458009)

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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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) JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANN
1943-44 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 58.20 66.60 87.00 29.40 32.10 0.00 273.30
1944-45 0.00 0.00 0.00 0.00 52.30 46.60 43.70 85.40 115.30 90.90 0.10 8.20 442.50
1945-46 0.00 0.00 0.00 17.70 138.50 60.60 192.90 98.10 92.20 33.20 0.00 0.00 633.20
1946-47 0.00 0.00 6.00 23.40 58.90 70.80 95.80 18.50 32.10 32.30 0.00 0.00 337.80
1947-48 0.00 0.00 0.00 20.30 64.90 70.40 67.00 a 96.80 61.80 40.20 11.90 0.00 433.30
1948-49 0.00 0.00 1.20 14.50 133.90 0.00 z 36.30 181.70 40.80 23.50 9.80 2.60 444.30
1949-50 0.00 0.00 0.00 17.20 20.40 163.30 106.90 76.60 92.40 67.80 15.50 0.50 560.60
1950-51 0.00 0.00 0.00 15.90 75.80 41.90 121.60 65.20 72.00 1.80 2.70 0.00 396.90
1951-52 0.00 0.00 0.00 28.10 63.10 145.90 50.60 56.80 72.30 20.70 1.50 1.40 440.40
1952-53 0.00 0.00 0.00 5.60 5.80 62.80 129.30 72.70 57.80 52.20 18.20 0.00 404.40
1953-54 0.00 0.00 0.40 0.00 37.70 122.20 153.60 110.10 49.30 67.40 8.90 9.40 559.00
1954-55 0.00 0.00 0.00 9.00 15.10 88.30 63.30 110.20 154.80 73.90 24.10 4.50 543.20
1955-56 2.00 0.00 0.00 26.90 87.90 58.80 90.30 92.20 95.80 15.20 6.20 1.00 476.30
1956-57 0.00 0.00 0.00 27.20 40.10 48.00 57.10 72.70 72.20 16.20 0.00 0.00 333.50
1957-58 0.00 0.00 0.00 8.40 44.70 143.30 69.40 47.80 26.80 48.40 0.70 0.00 389.50
1958-59 0.00 0.00 1.30 8.10 90.70 37.50 84.50 41.50 97.30 21.90 25.40 0.00 408.20
1959-60 0.00 0.00 0.00 14.10 25.70 53.30 37.30 95.60 100.20 57.50 31.20 1.50 416.40
1960-61 0.00 0.00 0.00 31.40 110.60 57.80 64.50 154.70 60.80 51.00 8.00 0.00 538.80
1961-62 0.00 0.00 3.00 47.90 63.90 110.80 37.00 24.50 93.10 51.10 5.90 8.00 445.20
1962-63 2.10 0.00 0.90 11.30 84.00 44.40 26.10 27.50 65.20 29.60 14.00 0.00 305.10
1963-64 0.00 0.00 0.00 22.20 76.40 51.50 163.60 69.50 115.40 62.00 18.30 0.00 578.90
1964-65 0.00 0.00 1.60 6.90 52.80 83.20 99.60 73.60 23.70 11.70 17.30 0.00 370.40
1965-66 0.00 0.00 0.00 3.80 24.80 42.60 82.60 86.50 40.70 19.70 13.70 0.10 314.50
1966-67 0.00 0.00 0.00 26.40 50.30 75.20 114.60 102.00 67.50 38.20 8.80 0.00 483.00
1967-68 0.00 0.00 0.00 26.30 36.80 59.70 83.20 21.90 58.70 88.70 12.60 1.00 388.90
1968-69 0.00 0.00 1.80 38.20 82.60 106.70 98.90 34.60 31.30 59.10 3.00 0.00 456.20
1969-70 0.00 0.00 0.00 8.70 27.50 98.80 201.80 65.40 63.00 107.20 10.60 0.00 583.00
1970-71 0.00 0.00 1.50 24.60 109.30 101.70 143.10 59.60 88.70 21.00 29.70 0.00 579.20
1971-72 6.40 0.00 0.00 26.20 48.30 156.10 230.10 112.10 58.70 65.00 1.60 0.00 704.50
1972-73 0.00 0.00 26.70 12.80 30.60 96.60 43.70 9.10 43.90 26.10 19.00 2.10 310.60
1973-74 0.00 0.00 0.00 20.40 103.80 126.10 144.90 111.00 90.50 54.40 42.50 1.90 695.50
1974-75 0.00 0.00 0.00 1.40 87.50 131.30 109.50 74.40 42.30 27.20 12.50 0.00 486.10
1975-76 0.00 0.00 0.00 43.70 92.50 61.80 92.10 89.10 91.30 32.60 5.80 6.40 515.30
1976-77 0.00 0.00 0.00 0.30 6.00 38.10 10.90 39.30 107.00 18.50 26.20 1.70 248.00
1977-78 0.00 0.00 5.80 24.60 100.20 102.90 50.60 31.80 25.60 36.60 24.90 0.00 403.00
1978-79 0.00 0.00 5.40 8.60 56.90 66.10 42.40 101.50 27.80 54.20 10.00 1.60 374.50
1979-80 5.80 0.00 0.00 22.40 19.70 76.60 77.40 43.10 87.50 23.40 2.70 2.00 360.60
1980-81 0.00 0.00 0.00 3.80 28.80 34.20 21.60 38.10 44.80 79.10 19.60 1.70 271.70
1981-82 0.00 0.00 0.00 15.00 38.80 89.10 114.60 49.60 41.80 29.80 19.50 0.00 398.20
1982-83 0.00 0.00 0.00 33.60 60.30 53.10 77.20 42.00 37.10 19.00 9.10 0.00 331.40
1983-84 0.00 0.00 4.00 0.60 106.60 70.70 49.80 65.80 61.00 50.10 45.90 3.80 458.30
1984-85 0.00 0.00 5.10 65.40 104.40 114.70 7.40 53.80 51.10 51.30 16.30 0.00 469.50
1985-86 0.00 0.00 0.00 52.10 75.80 17.30 73.20 67.10 46.50 49.00 29.10 0.00 410.10
1986-87 0.00 0.00 3.50 0.00 117.50 45.90 79.80 45.10 46.00 38.10 10.90 3.00 389.80
1987-88 0.00 0.00 0.00 0.00 52.60 95.70 65.00 68.10 95.30 49.90 15.00 0.00 441.60
1988-89 0.00 0.00 3.10 0.00 140.50 38.60 142.90 32.60 53.60 0.00 z 0.00 z 0.00 z 411.30
1989-90 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
1990-91 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 54.50 0.00 z 68.20 0.00 z 10.80 2.10 135.60
1991-92 0.00 0.10 0.00 32.10 77.80 82.30 68.70 32.60 2.80 37.10 0.00 z 0.00 333.50
1992-93 0.00 0.00 z 0.00 z 2.30 106.00 108.00 37.80 6.80 34.90 35.00 12.80 3.40 347.00
1993-94 0.00 0.00 0.10 0.00 48.20 53.00 71.10 45.70 0.00 z 0.00 z 0.00 z 0.00 z 218.10
1994-95 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
1995-96 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
1996-97 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
1997-98 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
1998-99 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
1999-00 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 11.00 z 0.00 z 0.00 z 0.00
2000-01 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
2001-02 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
2002-03 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
2003-04 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
2004-05 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
2005-06 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
Period of Record Statistics
MEAN 0.34 0.00 1.52 17.70 66.19 78.81 84.76 66.67 65.02 42.73 14.14 1.41 443.89
S.D. 1.28 0.01 4.14 15.26 35.47 35.44 48.72 35.50 29.86 22.68 11.03 2.34 106.23
SKEW 4.00 6.63 5.01 0.93 0.27 0.62 0.96 0.82 0.49 0.71 0.89 2.03 0.55
MAX 6.40 0.10 26.70 65.40 140.50 163.30 230.10 181.70 154.80 107.20 45.90 9.40 704.50
MIN 0.00 0.00 0.00 0.00 5.80 17.30 7.40 6.80 2.80 1.80 0.00 0.00 248.00
NO YRS 48 47 47 48 48 47 50 49 49 47 47 48 43