SNOQUALMIE FALLS, WASHINGTON

Monthly Total Snowfall (Inches)

(457773)

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
1930-31 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 1.80 0.00 0.00 0.00 1.80
1931-32 0.00 0.00 0.00 0.00 0.00 0.00 12.30 7.70 0.00 0.00 0.00 0.00 20.00
1932-33 0.00 0.00 0.00 0.00 0.00 0.00 8.50 4.00 0.20 0.00 0.00 0.00 12.70
1933-34 0.00 0.00 0.00 0.00 0.00 3.40 0.00 0.00 0.00 0.00 0.00 0.00 3.40
1934-35 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.50 f 0.00 0.00 0.00 0.00
1935-36 0.00 0.00 0.00 2.30 0.00 0.00 0.00 9.90 17.50 0.00 0.00 0.00 29.70
1936-37 0.00 0.00 0.00 0.00 0.00 0.30 45.00 16.60 0.00 0.00 0.00 0.00 61.90
1937-38 0.00 0.00 0.00 0.00 0.00 10.50 0.00 0.00 0.00 0.00 0.00 0.00 10.50
1938-39 0.00 0.00 0.00 0.00 1.00 0.00 0.00 1.90 0.00 0.00 0.00 0.00 2.90
1939-40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1940-41 0.00 0.00 0.00 0.00 0.00 0.00 0.30 a 0.00 0.00 a 0.00 0.00 0.00 0.30
1941-42 0.00 0.00 0.00 0.00 0.00 0.00 0.60 0.00 0.00 0.00 0.00 0.00 0.60
1942-43 0.00 0.00 0.00 0.00 0.50 4.50 11.30 0.00 0.00 0.00 0.00 0.00 16.30
1943-44 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 5.40 0.00 0.00 0.00 5.40
1944-45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 0.00 2.00
1945-46 0.00 0.00 0.00 0.00 3.00 0.00 3.00 0.60 2.00 0.00 0.00 0.00 8.60
1946-47 0.00 0.00 0.00 0.00 13.50 1.50 13.00 2.50 0.00 0.00 0.00 0.00 30.50
1947-48 0.00 0.00 0.00 0.00 0.00 0.00 0.50 7.50 0.60 0.00 0.00 0.00 8.60
1948-49 0.00 0.00 0.00 0.00 0.00 12.00 12.80 23.70 0.00 0.00 0.00 0.00 48.50
1949-50 0.00 0.00 0.00 0.00 0.00 7.00 61.00 0.00 1.20 0.30 0.00 0.00 69.50
1950-51 0.00 0.00 0.00 0.00 0.50 a 0.00 a 1.00 1.50 b 0.00 z 0.00 a 0.00 0.00 3.00
1951-52 0.00 0.00 0.00 0.00 0.00 10.70 7.10 0.00 0.00 0.00 0.00 0.00 17.80
1952-53 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1953-54 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 0.00 1.00 0.00 0.00 1.00
1954-55 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.80 0.70 i 0.00 0.00 0.00 0.80
1955-56 0.00 0.00 0.00 0.00 11.50 5.10 a 2.50 b 21.00 2.00 0.00 0.00 0.00 42.10
1956-57 0.00 0.00 0.00 0.00 0.00 3.00 12.30 4.00 0.00 0.00 0.00 0.00 19.30
1957-58 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1958-59 0.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 0.00 0.00 0.00 0.00 2.00
1959-60 0.00 0.00 0.00 0.00 0.00 0.00 0.30 0.00 0.00 z 0.00 0.00 0.00 0.30
1960-61 0.00 0.00 0.00 0.00 9.50 0.00 0.00 0.50 0.00 0.50 0.00 0.00 10.50
1961-62 0.00 0.00 0.00 0.00 0.00 2.20 1.50 1.30 10.00 0.00 b 0.00 0.00 15.00
1962-63 0.00 0.00 0.00 0.00 0.00 0.00 0.60 1.00 0.00 0.00 0.00 0.00 1.60
1963-64 0.00 0.00 0.00 0.00 1.90 0.00 0.00 0.50 0.00 0.00 0.00 0.00 2.40
1964-65 0.00 0.00 0.00 0.00 4.00 19.00 1.00 0.00 0.00 0.00 0.50 0.00 24.50
1965-66 0.00 0.00 0.00 0.00 0.00 0.00 z 2.00 3.30 0.00 0.00 0.00 0.00 5.30
1966-67 0.00 0.00 0.00 0.00 0.00 2.00 4.00 0.00 0.50 0.00 0.00 0.00 6.50
1967-68 0.00 0.00 0.00 0.00 0.00 2.50 6.50 0.00 0.00 8.10 0.00 0.00 17.10
1968-69 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00
1969-70 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1970-71 0.00 0.00 0.00 0.00 0.00 0.00 z 4.00 0.00 z 7.00 0.00 0.00 0.00 11.00
1971-72 0.00 0.00 0.00 0.00 0.00 8.50 1.50 2.00 0.00 1.00 0.00 0.00 13.00
1972-73 0.00 0.00 0.00 0.00 0.00 4.00 9.30 0.80 0.00 0.00 0.00 0.00 14.10
1973-74 0.00 0.00 0.00 0.00 0.00 z 0.50 5.50 0.00 6.00 0.00 0.00 0.00 12.00
1974-75 0.00 0.00 0.00 0.00 0.00 12.00 5.10 9.70 0.00 0.00 0.00 0.00 26.80
1975-76 0.00 0.00 0.00 0.00 0.80 3.00 0.00 1.00 0.00 0.00 0.00 0.00 4.80
1976-77 0.00 0.00 0.00 0.00 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1977-78 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1978-79 0.00 0.00 0.00 0.00 0.80 0.00 3.80 1.50 0.00 0.00 0.00 0.00 6.10
1979-80 0.00 0.00 0.00 0.00 0.00 1.00 0.00 z 0.10 0.00 0.00 0.00 0.00 1.10
1980-81 0.00 0.00 0.00 0.00 0.00 2.00 0.00 1.00 0.00 0.00 0.00 0.00 3.00
1981-82 0.00 0.00 0.00 0.00 0.00 1.80 12.90 3.90 0.50 0.00 0.00 0.00 19.10
1982-83 0.00 0.00 0.00 z 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1983-84 0.00 0.00 0.00 0.00 0.00 4.70 0.00 0.00 0.00 0.00 0.00 0.00 4.70
1984-85 0.00 0.00 0.00 0.00 0.00 6.10 1.20 16.30 0.00 0.60 0.00 0.00 24.20
1985-86 0.00 0.00 0.00 0.00 30.30 9.00 0.00 0.80 0.00 0.00 0.00 0.00 40.10
1986-87 0.00 0.00 0.00 0.00 0.00 0.00 1.80 a 0.00 0.00 0.00 0.00 0.00 1.80
1987-88 0.00 0.00 0.00 0.00 0.00 10.90 0.00 z 0.00 a 0.00 0.00 0.00 0.00 10.90
1988-89 0.00 0.00 0.00 0.00 0.00 0.00 15.80 1.90 12.00 0.00 0.00 0.00 29.70
1989-90 0.00 0.00 0.00 0.00 0.00 0.00 1.50 6.80 0.50 0.00 0.00 0.00 8.80
1990-91 0.00 0.00 0.00 0.00 0.00 9.00 3.10 0.00 0.00 0.00 0.00 0.00 12.10
1991-92 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00
1992-93 0.00 0.00 0.00 0.00 0.00 0.80 5.50 0.50 0.00 0.00 0.00 0.00 6.80
1993-94 0.00 0.00 0.00 0.00 0.60 0.00 0.00 2.50 0.00 0.00 0.00 0.00 3.10
1994-95 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00
1995-96 0.00 0.00 0.00 0.00 z 0.00 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00 z 0.00
1996-97 0.00 0.00 0.00 0.00 a 0.00 a 9.00 d 0.00 b 0.00 1.00 b 0.00 0.00 0.00 10.00
1997-98 0.00 0.00 0.00 0.00 0.00 0.00 0.00 e 0.00 0.00 0.00 0.00 0.00 0.00
1998-99 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 0.00 0.00 d 0.00 0.00 0.00 0.00
1999-00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 a 0.00 0.00 0.00 0.00 0.00
2000-01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00
2001-02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.50 0.00 a 0.00 0.00 0.50
2002-03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 a 0.00
2003-04 0.00 z 0.00 0.00 a 0.00 0.00 z 0.00 b 0.00 a 0.00 a 0.00 0.00 0.00 0.00 0.00
2004-05 0.00 0.00 0.00 0.00 0.00 0.00 1.50 0.00 0.00 b 0.00 0.00 0.00 b 1.50
2005-06 0.00 0.00 0.00 0.00 a 0.00 h 6.50 0.50 0.50 0.00 0.00 0.00 0.00 z 7.50
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.03 1.10 2.43 3.97 2.13 0.95 0.18 0.01 0.00 12.21
S.D. 0.00 0.00 0.00 0.27 4.26 4.07 9.44 4.76 2.94 0.97 0.06 0.00 15.49
SKEW 0.00 0.00 0.00 8.43 5.31 1.87 4.41 3.00 3.91 7.52 8.54 0.00 1.84
MAX 0.00 0.00 0.00 2.30 30.30 19.00 61.00 23.70 17.50 8.10 0.50 0.00 69.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
NO YRS 74 75 74 74 71 71 71 74 72 76 76 74 59