COULEE DAM 1 SW, ta

Monthly Total Snowfall (Inches)

(451767)

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
1933-34 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
1934-35 0.00 z 0.00 0.00 0.00 z 0.00 0.80 7.00 t 3.00 0.00 z 0.00 z 0.00 z 0.00 j 3.80
1935-36 0.00 0.00 z 0.00 z 0.70 2.50 1.80 5.40 9.00 u 0.00 z 0.00 z 0.00 z 0.00 z 10.40
1936-37 0.00 z 0.00 z 0.00 z 0.00 z 1.10 z 1.10 14.40 15.50 0.40 0.80 0.00 z 0.00 32.20
1937-38 0.00 z 0.00 z 0.00 z 0.00 z 0.50 4.80 3.00 2.30 0.00 z 0.00 z 0.00 0.00 z 10.60
1938-39 0.00 z 0.00 z 0.00 z 0.00 z 1.50 z 1.70 2.00 1.50 7.50 0.00 z 0.00 z 0.00 z 12.70
1939-40 0.00 z 0.00 z 0.00 z 0.00 0.00 z 2.10 10.70 7.20 0.00 z 0.00 z 0.00 z 0.00 z 20.00
1940-41 0.00 z 0.00 z 0.00 z 0.00 z 4.50 0.50 2.90 1.10 0.00 0.00 z 0.00 z 0.00 z 9.00
1941-42 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 2.80 3.80 0.00 0.00 z 0.00 z 0.00 z 6.60
1942-43 0.00 z 0.00 z 0.00 z 0.00 z 3.60 8.80 6.80 0.00 z 0.00 0.00 0.00 0.00 19.20
1943-44 0.00 0.00 0.00 0.00 0.00 1.20 5.10 6.40 1.30 0.00 0.00 0.00 14.00
1944-45 0.00 0.00 0.00 0.00 0.00 3.10 2.20 1.00 0.00 0.50 0.00 0.00 6.80
1945-46 0.00 0.00 z 0.00 0.00 7.00 a 5.10 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.10
1946-47 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.00 1.00 0.00 0.00 0.00 z 0.00 6.00
1947-48 0.00 z 0.00 0.00 0.00 0.00 5.70 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 5.70
1948-49 0.00 0.00 0.00 0.00 0.00 17.90 9.00 9.00 2.80 0.00 0.00 0.00 38.70
1949-50 0.00 0.00 0.00 0.00 0.00 6.20 21.60 6.10 1.30 0.00 0.00 0.00 35.20
1950-51 0.00 0.00 z 0.00 0.00 6.40 9.50 6.00 6.90 9.80 0.00 0.00 0.00 38.60
1951-52 0.00 0.00 0.00 0.00 0.00 6.30 17.90 5.00 0.00 0.00 0.00 0.00 29.20
1952-53 0.00 0.00 0.00 0.00 0.00 4.30 a 7.80 0.50 0.00 0.00 0.00 0.00 12.60
1953-54 0.00 0.00 0.00 0.00 0.50 1.50 11.60 2.40 0.00 0.00 0.00 0.00 16.00
1954-55 0.00 0.00 0.00 0.00 0.00 2.60 12.00 1.30 0.00 1.00 0.00 0.00 16.90
1955-56 0.00 0.00 0.00 0.00 17.50 11.50 14.10 7.50 0.20 0.00 0.00 0.00 50.80
1956-57 0.00 0.00 0.00 0.00 0.00 3.40 16.40 4.70 3.30 0.00 0.00 0.00 27.80
1957-58 0.00 0.00 0.00 0.00 0.30 0.50 2.00 0.00 1.00 0.00 0.00 0.00 3.80
1958-59 0.00 0.00 0.00 0.00 4.50 2.60 5.30 17.10 0.00 0.00 0.00 0.00 29.50
1959-60 0.00 0.00 0.00 0.00 5.00 3.00 9.00 4.10 4.30 0.00 0.00 0.00 25.40
1960-61 0.00 0.00 0.00 0.00 1.10 8.40 3.20 3.00 4.50 0.00 0.00 0.00 20.20
1961-62 0.00 0.00 0.00 0.00 5.00 19.10 3.00 4.50 6.90 0.00 0.00 0.00 38.50
1962-63 0.00 0.00 0.00 0.00 0.00 0.00 2.20 4.50 0.00 0.00 0.00 0.00 6.70
1963-64 0.00 0.00 0.00 0.00 0.00 11.50 7.30 0.20 0.00 0.00 0.00 0.00 19.00
1964-65 0.00 0.00 0.00 0.00 2.50 27.80 9.30 0.30 0.00 0.00 0.00 0.00 39.90
1965-66 0.00 0.00 0.00 0.00 4.00 13.30 6.00 0.00 1.50 0.00 0.00 0.00 24.80
1966-67 0.00 0.00 0.00 0.00 0.00 3.80 0.00 0.00 0.00 0.00 0.00 0.00 3.80
1967-68 0.00 0.00 0.00 0.00 0.00 3.50 7.00 0.00 0.00 0.00 0.00 0.00 10.50
1968-69 0.00 0.00 0.00 0.00 0.00 0.00 z 15.50 0.00 z 0.00 0.00 0.00 0.00 15.50
1969-70 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
1970-71 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 3.00 a 0.00 z 0.00 0.00 0.00 3.00
1971-72 0.00 0.00 0.00 1.30 1.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 2.30
1972-73 0.00 0.00 0.00 0.00 z 0.00 z 8.60 0.00 z 0.00 z 0.00 0.00 0.00 0.00 8.60
1973-74 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00
1974-75 0.00 0.00 0.00 0.00 0.00 0.00 13.80 0.00 z 3.00 0.00 0.00 0.00 16.80
1975-76 0.00 0.00 0.00 0.00 0.80 2.00 z 0.00 0.00 0.00 0.00 0.00 0.00 0.80
1976-77 0.00 0.00 0.00 0.00 0.00 2.40 3.30 0.00 0.00 0.00 0.00 0.00 5.70
1977-78 0.00 0.00 0.00 0.00 0.10 0.00 z 4.50 a 3.60 0.00 0.00 0.00 0.00 8.20
1978-79 0.00 0.00 0.00 0.00 2.80 5.90 12.80 0.00 0.00 0.00 0.00 0.00 21.50
1979-80 0.00 0.00 0.00 0.00 0.00 i 0.00 0.00 z 0.00 z 0.00 z 0.00 a 0.00 0.00 0.00
1980-81 0.00 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
1981-82 0.00 0.00 0.00 0.00 0.00 2.90 4.10 b 0.00 0.00 0.00 0.00 0.00 7.00
1982-83 0.00 0.00 0.00 0.00 0.00 9.60 3.50 0.00 0.00 0.00 0.00 0.00 13.10
1983-84 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 b 0.00 0.00 0.00 0.00 0.00
1984-85 0.00 0.00 0.00 0.00 0.00 b 0.00 z 0.00 z 7.50 a 0.00 0.00 0.00 0.00 7.50
1985-86 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00
1986-87 0.00 0.00 0.00 0.00 0.00 3.00 2.90 0.00 0.00 0.00 0.00 0.00 5.90
1987-88 0.00 z 0.00 z 0.00 0.00 0.00 3.60 i 4.20 0.00 0.00 0.00 0.00 0.00 4.20
1988-89 0.00 0.00 0.00 0.00 0.00 z 5.00 b 2.60 1.30 c 1.30 a 0.00 0.00 0.00 10.20
1989-90 0.00 0.00 0.00 0.00 0.00 0.00 1.50 5.00 0.00 0.00 0.00 0.00 6.50
1990-91 0.00 0.00 0.00 0.00 0.00 1.00 c 4.00 b 0.00 0.00 0.00 0.00 0.00 5.00
1991-92 0.00 0.00 0.00 0.00 a 0.00 0.00 a 2.30 h 0.00 0.00 0.00 0.00 0.00 0.00
1992-93 0.00 0.00 0.00 0.00 1.30 12.10 f 5.50 e 6.00 a 1.50 0.00 0.00 z 0.00 14.30
1993-94 0.00 0.00 0.00 0.00 0.00 a 0.00 e 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00
1994-95 0.00 0.00 0.00 0.00 1.00 0.00 c 3.00 a 0.00 a 0.00 a 0.00 0.00 0.00 4.00
1995-96 0.00 0.00 0.00 0.00 0.50 5.20 b 5.40 h 2.10 0.00 0.00 0.00 0.00 7.80
1996-97 0.00 0.00 0.00 0.00 10.30 b 8.20 f 4.50 b 0.00 a 0.00 a 0.00 0.00 0.00 14.80
1997-98 0.00 0.00 0.00 0.00 0.00 0.00 f 0.00 z 0.00 0.00 0.00 0.00 0.00 z 0.00
1998-99 0.00 0.00 0.00 0.00 0.00 7.50 a 0.00 z 0.30 a 0.00 0.00 0.00 0.00 7.80
1999-00 0.00 0.00 0.00 0.00 0.00 0.00 c 0.00 g 5.00 a 0.00 0.00 0.00 0.00 z 5.00
2000-01 0.00 0.00 0.00 0.00 5.80 4.60 f 0.00 f 1.80 a 0.00 0.00 0.00 0.00 a 7.60
2001-02 0.00 0.00 0.00 0.00 2.20 1.00 b 0.30 c 2.00 a 0.00 0.00 0.00 0.00 5.50
2002-03 0.00 0.00 0.00 0.00 a 0.00 0.00 a 0.00 c 0.00 0.60 a 0.00 0.00 0.00 0.60
2003-04 0.00 0.00 0.00 0.00 0.30 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.30
2004-05 0.00 0.00 0.00 0.00 0.00 4.00 13.40 a 0.00 0.00 0.00 0.00 0.00 17.40
2005-06 0.00 z 0.00 0.00 0.00 0.00 z 1.70 a 2.50 0.00 0.00 a 0.00 0.00 0.00 4.20
2006-07 0.00 0.00 0.00 0.00 0.00 b 1.80 e 2.30 b 0.00 0.00 0.00 0.00 0.00 z 4.10
2007-08 0.00 0.00 0.00 0.00 0.00 a 4.10 a 4.50 e 0.50 a 0.00 0.00 0.00 0.00 9.10
2008-09 0.00 0.00 0.00 0.00 0.00 14.40 a 6.90 b 1.30 d 0.00 0.00 0.00 0.00 22.60
2009-10 0.00 0.00 0.00 0.00 0.50 5.10 a 1.00 a 0.00 0.00 0.00 0.00 0.00 6.60
2010-11 0.00 0.00 0.00 0.00 6.80 c 5.90 1.70 6.70 0.00 0.00 0.00 0.00 21.10
2011-12 0.00 0.00 0.00 g 0.00 0.00 a 0.00 9.20 0.00 0.00 a 0.00 0.00 0.00 9.20
2012-13 0.00 0.00 0.00 a 0.00 b 0.40 a 2.50 b 5.20 0.00 a 0.00 b 0.00 z 0.00 z 0.00 z 8.10
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.03 1.45 4.60 6.06 2.48 0.74 0.03 0.00 0.00 16.80
S.D. 0.00 0.00 0.00 0.18 2.97 5.34 5.03 3.52 1.88 0.16 0.00 0.00 12.74
SKEW 0.00 0.00 0.00 6.37 3.10 2.05 1.07 2.07 3.14 4.90 0.00 0.00 0.79
MAX 0.00 0.00 0.00 1.30 17.50 27.80 21.60 17.10 9.80 1.00 0.00 0.00 50.80
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 67 67 69 70 68 62 60 67 69 68 67 67 37