RICHLAND, WASHINGTON

Monthly Total Snowfall (Inches)

(457015)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00
1944-45 0.00 0.00 0.00 0.00 0.00 0.00 z 1.50 1.50 0.00 0.00 0.00 0.00 3.00
1945-46 0.00 0.00 0.00 0.00 0.80 4.50 0.00 0.00 0.00 0.00 0.00 0.00 5.30
1946-47 0.00 0.00 0.00 0.00 3.00 0.20 0.00 1.00 0.00 z 0.00 z 0.00 0.00 4.20
1947-48 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00
1948-49 0.00 0.00 0.00 0.00 0.90 3.50 1.80 6.00 0.00 0.00 0.00 0.00 12.20
1949-50 0.00 0.00 0.00 0.00 0.00 0.00 2.00 p 0.00 c 3.00 0.00 0.00 0.00 3.00
1950-51 0.00 0.00 0.00 0.00 0.00 0.00 3.00 0.50 0.00 z 0.00 0.00 0.00 3.50
1951-52 0.00 0.00 0.00 0.00 0.00 0.00 d 3.30 0.00 0.00 0.00 0.00 0.00 3.30
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 8.00 1.00 0.00 0.00 0.00 0.00 9.00
1954-55 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
1955-56 0.00 0.00 0.00 0.00 0.00 z 0.00 z 9.00 3.80 0.00 0.00 0.00 0.00 12.80
1956-57 0.00 0.00 0.00 0.00 0.00 2.00 8.40 1.50 0.60 0.00 0.00 0.00 12.50
1957-58 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
1958-59 0.00 0.00 0.00 0.00 0.00 0.30 4.70 3.70 0.00 0.00 0.00 0.00 8.70
1959-60 0.00 0.00 0.00 0.00 0.10 1.30 9.70 0.00 1.70 0.00 0.00 0.00 12.80
1960-61 0.00 0.00 0.00 0.00 0.00 2.40 1.20 0.00 0.30 0.00 0.00 0.00 3.90
1961-62 0.00 0.00 0.00 0.00 0.80 a 3.50 0.10 0.40 1.60 0.00 0.00 0.00 6.40
1962-63 0.00 0.00 0.00 0.00 0.00 0.00 3.40 3.20 0.00 0.00 0.00 0.00 6.60
1963-64 0.00 0.00 0.00 0.00 0.00 2.90 2.50 0.10 0.00 0.00 0.00 0.00 5.50
1964-65 0.00 0.00 0.00 0.00 0.00 12.70 6.30 0.00 0.30 0.00 0.00 0.00 19.30
1965-66 0.00 0.00 0.00 0.00 0.00 3.20 1.00 0.00 0.00 0.00 0.00 0.00 4.20
1966-67 0.00 0.00 0.00 0.00 0.00 1.50 a 0.00 0.00 0.00 0.00 0.00 0.00 1.50
1967-68 0.00 0.00 0.00 0.00 0.00 5.50 0.80 0.00 0.00 0.00 0.00 0.00 6.30
1968-69 0.00 0.00 0.00 0.00 0.00 4.40 20.50 2.60 0.00 0.00 0.00 0.00 27.50
1969-70 0.00 0.00 0.00 0.00 0.00 1.00 5.70 0.00 0.60 0.00 0.00 0.00 7.30
1970-71 0.00 0.00 0.00 0.00 0.10 2.80 0.70 0.00 0.60 0.00 0.00 0.00 4.20
1971-72 0.00 0.00 0.00 0.30 0.00 10.70 2.20 1.70 0.00 0.00 0.00 0.00 14.90
1972-73 0.00 0.00 0.00 0.00 0.00 7.00 2.30 2.60 0.00 0.00 0.00 0.00 11.90
1973-74 0.00 0.00 0.00 0.00 5.00 4.10 3.60 0.00 0.00 0.00 0.00 0.00 12.70
1974-75 0.00 0.00 0.00 0.00 0.00 0.20 0.20 8.10 0.00 0.00 0.00 0.00 8.50
1975-76 0.00 0.00 0.00 0.00 3.00 1.80 2.60 0.00 0.00 0.00 0.00 0.00 7.40
1976-77 0.00 0.00 0.00 0.00 0.00 0.20 0.00 z 0.00 0.00 0.00 0.00 0.00 0.20
1977-78 0.00 0.00 0.00 0.00 3.10 4.10 2.70 0.40 0.00 0.00 0.00 0.00 10.30
1978-79 0.00 0.00 0.00 0.00 0.00 l 0.30 9.60 0.40 0.00 0.00 0.00 0.00 10.30
1979-80 0.00 0.00 0.00 0.00 5.60 1.90 1.00 n 5.60 2.00 0.00 0.00 0.00 15.10
1980-81 0.00 0.00 0.00 z 0.00 0.10 0.50 0.00 0.00 0.00 0.00 0.00 0.00 0.60
1981-82 0.00 0.00 0.00 0.00 0.00 7.40 1.40 0.00 0.00 0.00 0.00 0.00 8.80
1982-83 0.00 0.00 0.00 0.00 0.00 2.60 0.20 0.00 a 0.00 0.00 0.00 0.00 2.80
1983-84 0.00 0.00 0.00 0.00 0.00 0.00 z 0.80 0.00 0.00 0.00 0.00 0.00 0.80
1984-85 0.00 0.00 0.00 0.00 1.50 8.80 a 2.60 11.40 0.10 0.00 0.00 0.00 24.40
1985-86 0.00 0.00 0.00 0.00 13.00 5.70 1.50 6.80 0.00 0.00 0.00 0.00 27.00
1986-87 0.00 0.00 0.00 0.00 0.00 3.90 0.90 0.00 0.00 0.00 0.00 0.00 4.80
1987-88 0.00 0.00 0.00 0.00 0.50 2.40 7.00 0.00 0.00 0.00 0.00 0.00 9.90
1988-89 0.00 0.00 0.00 0.00 0.00 3.40 2.10 10.00 1.10 0.00 0.00 0.00 16.60
1989-90 0.00 0.00 0.00 0.00 0.00 1.40 0.00 8.50 1.20 0.00 0.00 0.00 11.10
1990-91 0.00 0.00 0.00 0.00 0.00 2.80 3.10 0.00 0.80 0.00 0.00 0.00 6.70
1991-92 0.00 0.00 0.00 0.30 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00 0.30
1992-93 0.00 0.00 0.00 0.00 1.50 9.00 16.00 9.60 3.20 0.00 0.00 0.00 39.30
1993-94 0.00 0.00 0.00 0.00 0.00 0.80 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.80
1994-95 0.00 0.00 z 0.00 z 0.00 0.00 0.00 a 0.00 0.00 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 0.00 z 0.00
1996-97 0.00 0.00 0.00 z 0.00 z 0.00 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00
1997-98 0.00 0.00 0.00 0.00 0.00 2.50 0.00 a 0.00 0.00 0.00 0.00 0.00 2.50
1998-99 0.00 0.00 0.00 0.00 0.00 z 0.00 b 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1999-00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2000-01 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 0.00
2001-02 0.00 0.00 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2002-03 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
2003-04 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 e 0.00 0.00 0.00 0.00 0.00 0.00
2004-05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 d 0.00 0.00 0.00 0.00 0.00 0.00
2005-06 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
2006-07 0.00 0.00 0.00 0.00 0.00 0.00 0.50 b 0.00 a 0.00 0.00 0.00 0.00 0.50
2007-08 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 b 0.00 z 0.00 0.00 0.00 0.00 0.00
2008-09 0.00 0.00 0.00 0.00 0.00 0.00 i 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00
2009-10 0.00 0.00 0.00 0.00 0.00 0.20 c 0.00 a 0.00 0.00 0.00 0.00 0.00 0.20
2010-11 0.00 0.00 0.00 0.00 0.00 e 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2011-12 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
2012-13 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 0.00 0.00 0.00 0.01 0.62 2.19 2.56 1.46 0.28 0.00 0.00 0.00 8.02
S.D. 0.00 0.00 0.00 0.05 1.95 2.92 4.04 2.87 0.69 0.00 0.00 0.00 8.48
SKEW 0.00 0.00 0.00 5.43 4.69 1.68 2.45 2.10 2.87 0.00 0.00 0.00 1.62
MAX 0.00 0.00 0.00 0.30 13.00 12.70 20.50 11.40 3.20 0.00 0.00 0.00 39.30
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 66 65 62 65 63 61 59 62 61 62 64 65 47