WINONA sta,

Monthly Total Snowfall (Inches)

(219067)

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201103
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
1892-93 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.60 v 10.60 v 2.50 13.00 0.00 z 0.00 z 15.50
1893-94 0.00 z 0.00 z 0.00 z 0.00 z 10.80 9.00 8.50 5.70 5.40 y 0.00 0.00 z 0.00 z 34.00
1894-95 0.00 z 0.00 z 0.00 z 0.00 z 4.90 1.70 z 8.10 5.30 2.20 0.00 z 0.00 z 0.00 z 20.50
1895-96 0.00 z 0.00 z 0.00 z 0.00 10.50 t 8.50 4.00 3.00 4.60 0.00 0.00 z 0.00 z 20.10
1896-97 0.00 z 0.00 z 0.00 z 0.00 z 12.00 3.80 v 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.00
1897-98 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
1898-99 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
1899-00 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 0.00 z 0.00 z 0.00 z 0.00
1900-01 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
1901-02 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.10 2.40 1.00 0.00 0.00 0.00 z 14.50
1902-03 0.00 z 0.00 z 0.00 z 1.00 1.00 13.00 1.10 10.50 6.00 0.50 0.00 z 0.00 z 33.10
1903-04 0.00 z 0.00 z 0.00 z 0.00 z 0.30 8.30 3.60 n 9.00 2.50 0.70 0.00 z 0.00 z 20.80
1904-05 0.00 z 0.00 z 0.00 z 0.00 0.00 13.20 5.50 8.60 1.40 1.20 0.00 z 0.00 z 29.90
1905-06 0.00 z 0.00 z 0.00 z 0.00 3.80 5.50 b 13.10 a 5.20 r 3.30 r 0.00 0.00 0.00 z 22.40
1906-07 0.00 z 0.00 z 0.00 z 1.50 5.60 p 6.60 g 7.60 v 3.00 0.00 z 0.50 w 0.00 0.00 z 4.50
1907-08 0.00 z 0.00 z 0.00 z 0.00 z 0.80 8.90 8.10 y 8.80 v 3.80 x 0.00 0.00 z 0.00 z 9.70
1908-09 0.00 z 0.00 z 0.00 z 0.00 z 0.50 11.50 9.40 14.30 17.50 8.60 q 1.00 0.00 z 54.20
1909-10 0.00 z 0.00 z 0.00 z 2.20 6.50 10.70 h 14.80 l 1.30 0.30 z 7.00 0.00 0.00 z 17.00
1910-11 0.00 z 0.00 z 0.00 z 0.00 1.50 4.90 10.20 5.20 4.00 4.30 3.00 0.00 z 33.10
1911-12 0.00 z 0.00 z 0.00 z 0.00 7.50 22.00 s 5.60 3.20 4.40 0.40 0.00 z 0.00 z 21.10
1912-13 0.00 z 0.00 z 0.00 0.00 0.50 3.40 6.60 12.00 7.30 1.00 0.00 0.00 z 30.80
1913-14 0.00 z 0.00 z 0.00 z 1.00 0.00 0.10 8.00 6.80 m 2.10 z 1.00 0.00 z 0.00 z 10.10
1914-15 0.00 z 0.00 z 0.00 z 0.00 z 0.00 5.00 n 11.30 8.80 r 8.70 v 0.00 z 0.30 0.00 z 11.60
1915-16 0.00 z 0.00 z 0.00 z 0.00 z 4.20 x 4.80 y 5.60 t 9.80 o 1.60 w 0.00 0.00 0.00 z 0.00
1916-17 0.00 z 0.00 z 0.00 0.00 4.50 11.40 25.00 3.80 6.90 0.00 z 0.00 0.00 z 51.60
1917-18 0.00 z 0.00 z 0.00 z 5.80 s 0.50 3.50 10.50 1.70 12.50 0.00 0.00 0.00 z 28.70
1918-19 0.00 z 0.00 z 0.00 z 0.00 z 4.00 3.20 10.00 12.20 0.00 3.00 0.00 z 0.00 z 32.40
1919-20 0.00 z 0.00 z 0.00 z 0.00 z 8.00 7.40 12.60 s 3.30 t 12.00 2.50 0.00 z 0.00 z 29.90
1920-21 0.00 z 0.00 z 0.00 z 0.00 z 1.70 15.60 3.00 2.40 w 0.30 0.00 0.00 0.00 z 20.60
1921-22 0.00 z 0.00 z 0.00 z 0.00 z 11.00 q 4.40 v 9.50 5.80 0.50 3.00 0.00 z 0.00 z 18.80
1922-23 0.00 z 0.00 z 0.00 z 0.00 0.30 4.10 10.80 7.70 15.00 2.90 0.50 0.00 z 41.30
1923-24 0.00 z 0.00 z 0.00 z 0.00 z 1.50 12.00 7.00 8.80 13.60 0.00 0.00 0.00 z 42.90
1924-25 0.00 z 0.00 z 0.00 z 0.00 z 0.00 8.20 19.60 y 0.90 4.00 x 0.00 z 0.00 0.00 z 9.10
1925-26 0.00 z 0.00 z 0.00 z 2.00 5.00 9.10 u 7.30 x 13.70 19.70 2.50 0.00 z 0.00 z 42.90
1926-27 0.00 z 0.00 z 0.00 z 0.50 12.00 10.40 7.30 u 0.80 0.00 z 0.00 0.00 z 0.00 z 23.70
1927-28 0.00 z 0.00 z 0.00 z 0.00 0.30 18.80 2.70 x 10.90 6.40 4.00 z 0.00 z 0.00 z 36.40
1928-29 0.00 z 0.00 z 0.00 z 0.00 z 0.80 5.50 32.00 n 15.30 m 6.90 6.00 0.00 z 0.00 z 19.20
1929-30 0.00 z 0.00 z 0.00 z 2.50 0.60 6.80 x 17.80 2.00 2.30 0.00 z 0.00 z 0.00 z 25.20
1930-31 0.00 z 0.00 z 0.00 z 0.30 z 2.40 1.70 v 7.00 z 0.00 w 13.50 0.00 0.00 z 0.00 z 15.90
1931-32 0.00 z 0.00 z 0.00 z 0.00 z 0.10 z 1.00 33.30 12.90 8.20 0.00 0.00 0.00 55.40
1932-33 0.00 0.00 0.00 0.00 1.20 6.20 3.00 5.40 19.60 0.00 0.00 0.00 35.40
1933-34 0.00 0.00 0.00 0.00 0.60 6.30 7.50 1.20 20.10 0.00 0.00 0.00 35.70
1934-35 0.00 z 0.00 0.00 0.00 3.40 9.80 17.50 6.20 6.50 0.00 0.00 0.00 a 43.40
1935-36 0.00 0.00 0.00 0.00 0.50 6.60 6.20 36.00 7.80 3.00 0.00 0.00 60.10
1936-37 0.00 0.00 0.00 0.00 1.20 4.00 17.00 9.20 15.50 0.00 0.00 0.00 46.90
1937-38 0.00 0.00 0.00 0.00 7.80 4.30 9.70 1.00 4.10 0.00 0.00 0.00 26.90
1938-39 0.00 0.00 0.00 0.00 3.00 4.10 4.50 20.20 3.20 0.70 0.00 0.00 35.70
1939-40 0.00 0.00 0.00 0.10 1.00 2.00 3.70 9.00 21.50 0.00 z 0.00 0.00 37.30
1940-41 0.00 0.00 0.00 0.00 4.70 11.40 7.20 6.20 6.50 0.00 0.00 0.00 36.00
1941-42 0.00 0.00 0.00 0.00 0.00 15.20 4.00 7.70 1.20 0.00 z 0.00 0.00 28.10
1942-43 0.00 0.00 0.00 z 0.00 11.00 6.80 15.00 0.50 8.10 0.00 0.00 0.00 41.40
1943-44 0.00 0.00 0.00 0.00 0.00 z 0.00 1.50 4.60 21.20 2.00 0.00 0.00 29.30
1944-45 0.00 0.00 0.00 0.00 2.20 c 1.60 9.40 21.80 4.40 10.40 0.00 0.00 49.80
1945-46 0.00 0.00 0.00 0.00 3.70 11.30 6.10 4.20 2.10 0.00 0.00 0.00 27.40
1946-47 0.00 0.00 0.00 0.00 0.50 8.10 18.50 1.20 2.90 4.70 0.00 0.00 35.90
1947-48 0.00 0.00 0.00 0.00 15.80 14.50 3.20 11.50 12.00 0.00 0.00 0.00 57.00
1948-49 0.00 0.00 0.00 0.00 0.00 b 12.20 9.60 2.60 1.00 4.00 0.00 0.00 29.40
1949-50 0.00 0.00 0.00 0.00 2.50 10.80 4.30 a 12.50 4.20 0.00 0.00 0.00 34.30
1950-51 0.00 0.00 d 0.00 0.00 1.80 26.60 10.70 5.50 36.50 0.10 0.00 0.00 81.20
1951-52 0.00 0.00 0.00 0.00 10.50 19.50 19.50 13.50 17.50 8.00 0.00 0.00 88.50
1952-53 0.00 0.00 0.00 1.00 3.00 a 5.50 3.30 11.50 3.50 0.30 0.00 0.00 28.10
1953-54 0.00 0.00 0.00 0.00 1.00 2.50 8.50 0.00 7.00 0.00 0.00 0.00 19.00
1954-55 0.00 0.00 0.00 0.00 3.00 8.00 4.50 3.50 9.00 0.00 0.00 0.00 28.00
1955-56 0.00 0.00 0.00 0.00 4.00 4.60 6.00 5.00 27.50 6.00 0.00 0.00 53.10
1956-57 0.00 0.00 0.00 0.00 7.00 3.00 2.00 5.30 6.50 2.00 0.00 0.00 25.80
1957-58 0.00 0.00 0.00 0.00 12.50 4.00 3.50 0.50 1.50 0.00 0.00 0.00 22.00
1958-59 0.00 0.00 0.00 0.00 1.00 4.00 10.00 23.50 19.00 0.00 0.00 0.00 57.50
1959-60 0.00 0.00 0.00 1.00 9.00 4.30 4.00 5.00 6.80 0.00 0.00 0.00 30.10
1960-61 0.00 0.00 0.00 0.00 1.00 0.70 5.00 13.00 23.00 4.50 0.00 0.00 47.20
1961-62 0.00 0.00 0.00 0.00 6.50 20.40 1.00 30.00 19.30 13.00 0.00 0.00 90.20
1962-63 0.00 0.00 0.00 0.00 1.00 6.00 10.00 6.50 13.00 0.50 0.00 0.00 37.00
1963-64 0.00 0.00 0.00 0.00 0.40 9.20 5.30 0.10 11.60 0.20 0.00 0.00 26.80
1964-65 0.00 0.00 0.00 0.00 4.50 6.30 9.60 17.50 21.50 3.00 0.00 0.00 62.40
1965-66 0.00 0.00 0.00 0.00 0.00 1.00 14.00 6.00 9.70 0.00 0.00 0.00 30.70
1966-67 0.00 0.00 0.00 0.00 2.00 15.00 15.90 17.40 3.50 0.00 z 0.00 0.00 53.80
1967-68 0.00 0.00 0.00 0.00 a 1.30 0.00 a 0.00 z 0.00 z 0.50 1.50 0.00 0.00 3.30
1968-69 0.00 0.00 0.00 0.00 2.20 31.70 a 20.90 1.00 7.90 0.80 0.00 0.00 64.50
1969-70 0.00 0.00 0.00 0.00 1.50 17.00 12.00 5.90 0.00 z 2.50 0.00 0.00 38.90
1970-71 0.00 0.00 0.00 0.00 0.70 15.60 22.00 a 25.40 7.50 1.00 0.00 0.00 72.20
1971-72 0.00 0.00 0.00 0.00 6.80 12.80 17.50 4.50 13.20 2.50 a 0.00 0.00 57.30
1972-73 0.00 0.00 0.00 0.00 b 0.00 z 13.10 c 16.30 8.10 1.00 15.60 0.00 0.00 54.10
1973-74 0.00 0.00 0.00 0.00 0.00 16.00 3.00 13.00 0.00 z 1.00 0.00 0.00 33.00
1974-75 0.00 0.00 0.00 0.00 0.30 11.40 12.90 15.70 19.00 4.00 0.00 0.00 63.30
1975-76 0.00 0.00 0.00 0.00 5.00 2.00 13.00 2.00 5.50 0.00 0.00 0.00 z 27.50
1976-77 0.00 0.00 0.00 1.00 0.00 z 9.50 10.00 2.00 c 8.80 3.00 0.00 0.00 34.30
1977-78 0.00 0.00 0.00 0.00 10.30 19.20 16.10 7.60 5.20 0.00 0.00 0.00 58.40
1978-79 0.00 0.00 0.00 0.00 8.10 15.80 25.10 7.30 6.30 4.00 0.00 0.00 66.60
1979-80 0.00 0.00 0.00 0.00 a 5.00 3.00 9.70 5.20 15.40 a 5.90 0.00 0.00 44.20
1980-81 0.00 0.00 0.00 0.00 0.00 z 8.20 4.50 10.60 0.50 0.00 0.00 0.00 23.80
1981-82 0.00 0.00 0.00 1.00 0.00 z 10.00 29.00 h 2.50 c 0.00 z 3.70 0.00 0.00 17.20
1982-83 0.00 0.00 0.00 1.50 1.50 5.00 8.20 18.70 6.00 0.00 z 0.00 0.00 40.90
1983-84 0.00 0.00 z 0.00 z 0.00 z 7.30 c 17.60 4.30 3.00 17.60 0.00 z 0.00 0.00 49.80
1984-85 0.00 0.00 z 0.00 0.00 0.00 z 19.30 8.90 a 11.60 10.00 c 0.00 0.00 z 0.00 49.80
1985-86 0.00 0.00 0.00 z 0.00 z 0.00 z 33.00 9.80 0.00 c 0.00 0.00 0.00 z 0.00 42.80
1986-87 0.00 0.00 0.00 0.00 9.00 1.50 6.00 a 2.00 5.00 0.00 0.00 0.00 23.50
1987-88 0.00 0.00 z 0.00 0.00 0.00 0.00 z 15.00 w 0.00 z 0.50 0.00 0.00 z 0.00 0.50
1988-89 0.00 0.00 0.00 z 0.00 4.50 4.00 c 3.00 6.50 u 15.50 a 0.00 0.00 0.00 27.00
1989-90 0.00 0.00 0.00 0.00 0.00 b 0.00 z 2.00 y 9.30 0.20 0.00 0.00 0.00 9.50
1990-91 0.00 0.00 0.00 0.00 0.00 9.70 4.30 a 3.80 0.60 0.00 0.00 0.00 z 18.40
1991-92 0.00 0.00 0.00 6.20 17.30 a 5.60 1.50 2.10 7.90 b 0.00 0.00 0.00 40.60
1992-93 0.00 0.00 0.00 0.00 0.80 9.40 0.00 z 7.80 5.10 5.30 b 0.00 0.00 28.40
1993-94 0.00 0.00 0.00 0.00 3.50 3.50 21.40 16.50 0.00 z 0.50 0.00 0.00 45.40
1994-95 0.00 0.00 0.00 0.00 1.30 4.30 a 2.90 y 1.00 11.70 0.50 0.00 0.00 18.80
1995-96 0.00 0.00 0.00 0.00 0.00 a 6.30 f 33.80 0.30 1.50 0.00 0.00 0.00 35.60
1996-97 0.00 0.00 0.00 0.00 7.20 4.50 h 8.40 7.00 19.90 0.00 0.00 0.00 42.50
1997-98 0.00 0.00 0.00 0.00 0.00 0.00 a 5.10 g 4.90 9.70 0.00 0.00 0.00 14.60
1998-99 0.00 0.00 0.00 0.00 0.00 1.80 20.20 a 1.50 7.10 0.00 0.00 0.00 a 30.60
1999-00 0.00 0.00 0.00 0.00 0.00 4.10 12.40 e 2.20 c 2.00 0.00 0.00 0.00 20.70
2000-01 0.00 0.00 0.00 0.00 1.40 23.90 3.80 b 5.40 10.50 a 0.00 a 0.00 0.00 45.00
2001-02 0.00 0.00 0.00 0.00 0.00 1.40 b 4.30 6.30 4.00 8.70 0.00 0.00 24.70
2002-03 0.00 0.00 0.00 0.00 a 1.60 1.00 4.60 3.60 2.40 b 3.90 0.00 0.00 17.10
2003-04 0.00 0.00 0.00 0.00 0.70 8.00 a 6.80 8.70 4.70 0.00 0.00 0.00 28.90
2004-05 0.00 0.00 0.00 0.00 0.00 6.00 11.90 b 6.00 15.10 0.00 0.00 0.00 39.00
2005-06 0.00 0.00 0.00 0.00 3.90 11.20 0.10 8.70 a 11.80 a 0.00 0.00 0.00 35.70
2006-07 0.00 0.00 0.00 0.00 3.20 0.00 11.50 28.20 7.40 4.30 0.00 0.00 54.60
2007-08 0.00 0.00 0.00 0.00 1.00 16.10 a 12.20 7.50 5.20 0.00 0.00 0.00 42.00
2008-09 0.00 0.00 0.00 0.00 1.50 b 25.50 9.40 a 7.40 a 1.00 0.00 0.00 0.00 44.80
2009-10 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 z 0.00 z 0.00 z 0.00
2010-11 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.50 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.24 3.29 8.96 9.78 7.82 8.60 1.82 0.05 0.00 43.10
S.D. 0.00 0.00 0.00 0.80 3.85 7.01 6.70 6.95 7.18 3.09 0.34 0.00 18.03
SKEW 0.00 0.00 0.00 5.13 1.50 1.16 1.30 1.63 1.11 2.35 7.86 0.00 0.83
MAX 0.00 0.00 0.00 6.20 17.30 33.00 33.80 36.00 36.50 15.60 3.00 0.00 90.20
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.00 0.00 0.00 0.00 0.00 17.10
NO YRS 77 75 76 92 99 96 92 99 98 99 90 76 49