DAYTON 1 WSW, WASHINGTON

Monthly Total Snowfall (Inches)

(452030)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200506
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 a 0.00 1.00 0.00 0.00 0.00 1.00
1931-32 0.00 0.00 0.00 0.00 6.00 8.00 12.00 6.50 4.00 0.00 0.00 0.00 36.50
1932-33 0.00 0.00 0.00 0.00 0.00 1.50 4.00 19.20 0.50 0.00 0.00 0.00 25.20
1933-34 0.00 0.00 0.00 0.00 0.00 14.50 0.00 0.00 0.00 0.00 0.00 0.00 14.50
1934-35 0.00 0.00 0.00 0.00 1.00 3.00 8.50 1.00 4.00 0.00 0.00 0.00 17.50
1935-36 0.00 0.00 0.00 1.50 0.00 0.00 9.00 16.00 5.00 0.00 0.00 0.00 31.50
1936-37 0.00 0.00 0.00 0.00 0.00 2.50 34.00 8.00 0.00 0.00 0.00 0.00 44.50
1937-38 0.00 0.00 0.00 0.00 0.00 3.00 5.50 11.50 2.80 0.00 0.00 0.00 22.80
1938-39 0.00 0.00 0.00 0.00 10.00 2.80 0.30 15.00 2.00 0.00 0.00 0.00 30.10
1939-40 0.00 0.00 0.00 0.00 0.00 0.50 16.80 1.00 0.00 0.00 0.00 0.00 18.30
1940-41 0.00 0.00 0.00 0.00 5.20 0.50 3.30 3.00 0.00 0.00 0.00 0.00 12.00
1941-42 0.00 0.00 0.00 0.00 0.00 4.00 9.50 5.00 2.00 0.00 0.00 0.00 20.50
1942-43 0.00 0.00 0.00 0.00 4.50 9.00 8.00 a 0.00 0.50 0.00 0.00 0.00 22.00
1943-44 0.00 0.00 0.00 0.00 0.00 0.50 0.00 4.00 6.00 0.00 0.00 0.00 10.50
1944-45 0.00 a 0.00 0.00 0.00 0.00 1.00 0.50 1.00 0.50 0.50 0.00 0.00 3.50
1945-46 0.00 0.00 0.00 0.00 2.00 7.50 a 4.50 1.00 0.00 0.00 0.00 0.00 15.00
1946-47 0.00 0.00 0.00 0.00 3.00 a 1.50 14.50 0.00 0.00 0.00 0.00 0.00 19.00
1947-48 0.00 0.00 a 0.00 0.00 0.50 5.50 0.00 4.00 0.00 0.00 0.00 0.00 10.00
1948-49 0.00 0.00 0.00 0.00 1.00 9.50 7.00 14.30 a 0.00 0.00 0.00 0.00 31.80
1949-50 0.00 0.00 0.00 0.20 0.00 2.70 35.70 b 3.00 3.00 0.00 0.00 0.00 44.60
1950-51 0.00 0.00 0.00 0.00 1.20 8.00 2.00 1.00 12.00 0.00 0.00 0.00 24.20
1951-52 0.00 0.00 0.00 0.00 0.00 17.50 10.00 4.00 3.00 0.00 0.00 0.00 34.50
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 9.00 0.00 0.00 c 0.00 0.00 0.00 9.00
1954-55 0.00 0.00 0.00 0.00 0.00 0.00 4.00 6.50 0.00 0.80 a 0.00 0.00 11.30
1955-56 0.00 0.00 0.00 0.00 7.60 8.00 9.00 9.00 2.00 0.00 0.00 0.00 35.60
1956-57 0.00 0.00 0.00 0.00 2.00 1.00 16.00 6.00 0.00 0.00 0.00 0.00 25.00
1957-58 0.00 0.00 0.00 0.00 0.00 a 0.00 2.00 0.00 1.50 c 0.00 0.00 0.00 3.50
1958-59 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 w 0.00 0.00 0.00 0.00 0.00
1959-60 0.00 0.00 0.00 0.00 0.00 b 4.00 0.00 z 0.00 2.10 0.00 0.00 0.00 6.10
1960-61 0.00 0.00 0.00 0.00 0.00 0.00 f 0.00 a 0.00 b 0.00 0.00 0.00 0.00 0.00
1961-62 0.00 0.00 0.00 0.00 0.00 h 6.50 1.50 0.00 b 0.00 d 0.00 0.00 0.00 8.00
1962-63 0.00 0.00 0.00 0.00 0.00 0.00 0.00 c 0.00 0.00 0.00 0.00 0.00 0.00
1963-64 0.00 0.00 0.00 0.00 0.00 0.00 z 1.00 0.00 1.00 0.00 0.00 0.00 2.00
1964-65 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1965-66 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
1966-67 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
1967-68 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
1968-69 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 0.00 z 0.00
1969-70 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 4.00 0.00 0.00 a 0.00 4.00
1970-71 0.00 z 0.00 z 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 z 4.00 0.00 0.00 0.00 4.00
1971-72 0.00 0.00 0.00 1.00 0.00 14.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 15.00
1972-73 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 z 0.00
1973-74 0.00 0.00 0.00 0.00 3.00 13.00 0.00 z 0.00 0.00 0.00 0.00 0.00 16.00
1974-75 0.00 0.00 0.00 0.00 z 0.00 0.00 8.00 3.00 0.00 1.00 0.00 0.00 12.00
1975-76 0.00 0.00 0.00 0.00 1.00 a 3.00 0.00 0.00 a 0.00 z 0.00 0.00 0.00 4.00
1976-77 0.00 0.00 0.00 0.00 0.00 1.50 0.00 z 0.00 1.00 0.00 0.00 0.00 2.50
1977-78 0.00 0.00 0.00 0.00 0.00 b 0.00 z 3.00 0.00 0.00 0.00 0.00 0.00 3.00
1978-79 0.00 0.00 0.00 0.00 8.50 13.30 11.30 0.00 a 3.00 0.00 0.00 0.00 36.10
1979-80 0.00 0.00 0.00 0.00 4.30 1.30 18.70 b 4.80 2.50 0.00 0.00 0.00 31.60
1980-81 0.00 0.00 0.00 0.00 0.40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.40
1981-82 0.00 0.00 0.00 0.00 0.00 12.00 14.10 0.00 a 0.50 0.00 0.00 0.00 26.60
1982-83 0.00 0.00 0.00 0.00 0.00 4.50 1.00 0.00 0.00 0.00 0.00 0.00 5.50
1983-84 0.00 0.00 0.00 0.00 0.00 16.90 1.00 0.00 0.00 0.00 0.00 0.00 17.90
1984-85 0.00 0.00 0.00 0.00 0.00 13.60 0.80 12.00 0.00 0.00 0.00 0.00 26.40
1985-86 0.00 0.00 0.00 0.00 12.00 3.20 3.30 a 6.00 b 0.00 0.00 0.00 0.00 24.50
1986-87 0.00 0.00 0.00 0.00 0.00 0.50 9.90 0.00 0.00 0.00 0.00 0.00 10.40
1987-88 0.00 0.00 0.00 0.00 0.00 4.10 6.60 0.00 1.20 0.00 0.00 0.00 11.90
1988-89 0.00 0.00 0.00 0.00 0.00 3.60 15.40 8.90 7.30 0.00 0.00 0.00 35.20
1989-90 0.00 0.00 0.00 0.00 0.00 0.80 0.00 10.90 3.60 0.00 0.00 0.00 15.30
1990-91 0.00 0.00 0.00 0.00 0.00 15.20 4.00 0.00 4.00 0.00 0.00 0.00 23.20
1991-92 0.00 0.00 0.00 1.70 2.50 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00 4.20
1992-93 0.00 0.00 0.00 0.00 0.50 5.40 22.00 7.90 0.20 0.00 0.00 0.00 36.00
1993-94 0.00 0.00 0.00 0.00 0.90 0.00 0.00 9.60 0.00 0.00 0.00 0.00 10.50
1994-95 0.00 0.00 0.00 0.00 1.20 7.60 0.00 5.10 0.50 0.00 0.00 0.00 14.40
1995-96 0.00 0.00 0.00 0.00 0.00 1.70 a 29.90 2.00 0.00 0.00 0.00 0.00 33.60
1996-97 0.00 0.00 0.00 0.00 1.80 24.10 4.90 a 0.00 1.00 0.00 0.00 0.00 31.80
1997-98 0.00 0.00 0.00 0.00 0.00 3.40 8.40 0.30 0.00 0.00 0.00 0.00 12.10
1998-99 0.00 0.00 0.00 0.00 0.00 1.70 1.00 2.80 0.30 0.00 0.00 0.00 5.80
1999-00 0.00 0.00 0.00 0.00 0.00 0.10 5.30 1.20 b 0.80 0.00 0.00 0.00 7.40
2000-01 0.00 0.00 0.00 0.00 0.70 2.80 10.70 0.30 0.00 0.30 0.00 0.00 14.80
2001-02 0.00 0.00 0.00 0.00 0.00 4.80 4.00 0.00 7.80 0.00 0.00 0.00 16.60
2002-03 0.00 0.00 0.00 0.00 0.00 3.20 1.90 0.00 0.00 1.10 0.00 0.00 6.20
2003-04 0.00 0.00 0.00 0.00 0.00 10.20 7.50 0.00 0.00 0.00 0.00 0.00 17.70
2004-05 0.00 0.00 0.00 0.00 0.00 0.00 5.00 0.00 0.00 0.00 0.00 0.00 5.00
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 m 0.00 z 0.00 x 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.06 1.21 4.97 6.86 3.21 1.39 0.05 0.00 0.00 19.16
S.D. 0.00 0.00 0.00 0.30 2.53 5.51 8.10 4.71 2.28 0.21 0.00 0.00 11.83
SKEW 0.00 0.00 0.00 4.69 2.61 1.34 1.82 1.57 2.32 4.02 0.00 0.00 0.27
MAX 0.00 0.00 0.00 1.70 12.00 24.10 35.70 19.20 12.00 1.10 0.00 0.00 44.60
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 68 68 68 68 67 62 62 67 68 69 71 69 55