ROCHESTER INTL AP, s

Monthly Total Snowfall (Inches)

(217004)

File last updated on Apr 6, 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
1892-93 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.80 17.80 4.80 14.00 1.00 z 0.00 z 46.40
1893-94 0.00 z 0.00 z 0.00 z 0.00 z 4.00 6.80 c 9.60 y 2.50 0.00 z 0.00 z 0.00 z 0.00 z 13.30
1894-95 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
1895-96 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 z 0.00 z 0.00
1896-97 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1902-03 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
1903-04 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
1904-05 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
1905-06 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 z 0.00 z 0.00 z 0.00
1906-07 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
1907-08 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
1908-09 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00 11.80 12.00 12.50 0.00 g 0.00 z 0.00 z 43.30
1909-10 0.00 z 0.00 z 0.00 z 0.00 z 13.00 z 5.60 23.00 0.80 0.00 3.00 0.00 0.00 z 32.40
1910-11 0.00 z 0.00 z 0.00 z 0.00 2.00 4.50 7.00 4.00 2.00 1.00 0.00 0.00 z 20.50
1911-12 0.00 z 0.00 z 0.00 z 0.00 z 16.30 13.50 6.50 0.70 3.50 0.00 0.00 z 0.00 z 40.50
1912-13 0.00 z 0.00 z 0.00 z 0.00 0.10 3.50 0.00 z 8.10 0.00 z 0.00 0.00 0.00 z 11.70
1913-14 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 4.60 3.10 2.40 0.40 0.00 z 0.00 z 10.50
1914-15 0.00 z 0.00 z 0.00 z 0.00 z 0.00 6.50 4.00 14.00 12.40 0.00 z 0.00 0.00 z 36.90
1915-16 0.00 z 0.00 z 0.00 z 0.00 8.00 4.30 1.00 z 9.50 6.30 0.00 0.00 0.00 28.10
1916-17 0.00 z 0.00 z 0.00 z 0.00 z 2.60 9.50 21.00 5.80 14.00 0.00 0.00 0.00 z 52.90
1917-18 0.00 z 0.00 z 0.00 z 5.50 z 0.50 3.70 9.40 2.50 13.00 0.00 z 0.00 0.00 z 29.10
1918-19 0.00 z 0.00 z 0.00 z 0.00 z 4.00 4.00 8.00 7.50 2.50 4.50 0.00 z 0.00 z 30.50
1919-20 0.00 z 0.00 z 0.00 z 0.00 4.80 z 3.00 4.00 z 0.00 z 7.00 0.00 z 0.00 z 0.00 z 10.00
1920-21 0.00 z 0.00 z 0.00 z 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
1921-22 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
1922-23 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
1923-24 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
1924-25 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
1925-26 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
1926-27 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
1927-28 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
1928-29 0.00 z 0.00 z 0.00 z 0.00 z 3.90 2.00 3.30 z 4.40 v 9.10 0.00 0.00 z 0.00 z 15.00
1929-30 0.00 z 0.00 z 0.00 6.60 z 3.00 0.00 z 10.50 0.20 z 0.00 z 0.00 z 0.00 z 0.00 z 13.50
1930-31 0.00 z 0.00 z 0.00 z 4.00 4.50 2.80 3.50 3.20 4.60 0.00 0.00 z 0.00 z 22.60
1931-32 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.30 0.00 z 0.00 z 5.00 0.00 z 0.00 z 0.00 z 10.30
1932-33 0.00 z 0.00 z 0.00 z 1.50 0.00 z 4.50 4.00 5.50 14.50 0.00 z 0.00 z 0.00 z 30.00
1933-34 0.00 z 0.00 0.00 0.20 0.40 4.20 3.20 2.50 16.20 0.00 0.00 0.00 26.70
1934-35 0.00 0.00 0.00 0.00 14.00 9.50 16.00 8.00 3.00 1.50 0.00 0.00 52.00
1935-36 0.00 0.00 0.00 0.00 0.50 6.10 3.80 14.80 6.50 1.50 0.00 0.00 33.20
1936-37 0.00 0.00 0.00 0.00 3.00 4.50 17.10 7.50 8.00 0.50 0.00 0.00 40.60
1937-38 0.00 0.00 0.00 0.50 2.80 2.60 10.00 2.20 a 4.00 2.50 0.00 0.00 24.60
1938-39 0.00 0.00 0.00 1.00 4.50 7.70 r 6.80 12.00 8.10 2.70 0.00 0.00 35.10
1939-40 0.00 0.00 0.00 1.00 0.00 4.10 5.10 q 8.00 18.40 0.00 0.00 0.00 31.50
1940-41 0.00 0.00 0.00 0.00 9.00 18.30 7.40 4.20 7.30 0.00 0.00 0.00 46.20
1941-42 0.00 0.00 0.00 0.00 0.00 10.50 2.70 8.40 12.90 0.00 0.00 0.00 34.50
1942-43 0.00 0.00 0.30 0.10 7.50 12.90 15.60 2.20 10.20 0.00 0.00 0.00 48.80
1943-44 0.00 0.00 0.00 0.00 9.60 0.00 2.20 6.00 19.50 0.90 2.00 0.00 40.20
1944-45 0.00 0.00 0.00 0.00 1.40 4.00 9.10 18.40 4.20 12.50 0.00 0.00 49.60
1945-46 0.00 0.00 0.00 0.00 2.80 14.00 4.10 4.10 1.30 0.00 0.00 0.00 26.30
1946-47 0.00 0.00 0.00 0.00 3.40 7.60 13.90 5.60 6.50 6.50 0.00 0.00 43.50
1947-48 0.00 0.00 0.00 0.00 12.60 14.30 2.30 14.50 7.10 0.00 0.00 0.00 50.80
1948-49 0.00 z 0.00 z 0.00 z 0.00 z 1.30 15.20 10.70 3.30 2.50 2.80 0.00 0.00 35.80
1949-50 0.00 z 0.00 0.00 z 0.00 4.90 4.70 14.40 14.90 11.80 0.40 0.00 0.00 51.10
1950-51 0.00 0.00 0.00 0.00 1.40 21.40 12.40 6.20 35.10 1.00 0.00 0.00 77.50
1951-52 0.00 0.00 0.00 0.00 8.60 13.40 12.40 9.20 18.50 11.50 0.00 0.00 73.60
1952-53 0.00 0.00 0.00 0.10 14.60 7.30 6.90 8.50 5.30 2.70 0.00 0.00 45.40
1953-54 0.00 0.00 a 0.00 0.00 1.80 6.60 5.10 a 0.20 10.40 0.00 0.70 0.00 24.80
1954-55 0.00 0.00 0.00 0.80 7.20 5.20 2.80 a 4.70 7.30 0.00 0.00 0.00 28.00
1955-56 0.00 0.00 0.00 0.70 4.30 17.40 5.70 3.00 a 18.80 7.40 0.00 0.00 57.30
1956-57 0.00 0.00 0.00 0.00 7.90 3.60 2.00 4.90 6.10 1.70 0.00 0.00 26.20
1957-58 0.00 0.00 0.00 0.00 12.40 3.70 a 2.10 0.60 2.50 0.00 0.00 0.00 21.30
1958-59 0.00 0.00 0.00 0.00 0.70 6.50 5.90 19.40 10.40 0.00 0.00 0.00 42.90
1959-60 0.00 0.00 0.00 1.30 6.40 6.20 5.40 4.00 7.80 0.20 0.00 0.00 31.30
1960-61 0.00 0.00 0.00 0.00 0.10 a 2.00 1.70 7.50 18.90 4.50 0.00 0.00 34.70
1961-62 0.00 0.00 0.80 0.20 4.50 18.30 2.50 19.10 16.20 12.90 0.00 0.00 74.50
1962-63 0.00 0.00 0.00 0.20 b 0.20 4.50 11.80 5.70 12.60 2.30 0.00 0.00 37.30
1963-64 0.00 0.00 0.00 0.00 0.30 11.00 5.90 0.80 15.80 1.10 0.00 0.00 34.90
1964-65 0.00 0.00 0.00 0.00 4.80 6.40 11.10 3.20 a 12.20 5.20 0.00 0.00 42.90
1965-66 0.00 0.00 0.00 0.00 1.10 0.90 10.50 7.30 12.20 0.40 0.20 0.00 32.60
1966-67 0.00 0.00 0.00 0.20 2.50 10.30 12.40 13.40 5.60 0.00 0.30 0.00 44.70
1967-68 0.00 0.00 0.00 0.00 0.50 0.70 4.70 2.40 0.40 0.40 0.00 0.00 9.10
1968-69 0.00 0.00 0.00 0.20 4.50 20.70 9.50 2.60 5.60 0.50 0.00 0.00 43.60
1969-70 0.00 0.00 0.00 2.10 0.60 30.60 10.30 9.00 8.40 3.40 0.00 0.00 64.40
1970-71 0.00 0.00 0.00 0.10 7.60 10.80 16.20 16.00 9.70 1.60 0.00 0.00 62.00
1971-72 0.00 0.00 0.00 0.00 7.80 8.40 11.00 3.50 10.50 2.70 0.00 0.00 43.90
1972-73 0.00 0.00 0.00 1.10 0.80 17.20 12.00 10.60 1.50 10.40 0.20 0.00 53.80
1973-74 0.00 0.00 0.00 0.00 0.30 16.30 2.10 12.30 11.20 0.30 0.00 0.00 42.50
1974-75 0.00 0.00 0.00 0.00 2.90 8.30 14.10 12.00 15.00 2.50 0.00 0.00 54.80
1975-76 0.00 0.00 0.00 0.00 7.80 1.90 6.60 1.60 10.30 0.00 0.20 0.00 28.40
1976-77 0.00 0.00 0.00 2.90 1.90 7.70 9.20 1.80 7.50 3.50 0.00 0.00 34.50
1977-78 0.00 0.00 0.00 0.00 11.80 20.60 7.40 5.90 5.40 1.20 0.00 0.00 52.30
1978-79 0.00 0.00 0.00 0.00 11.20 14.20 24.40 5.00 11.10 7.40 0.00 0.00 73.30
1979-80 0.00 0.00 0.00 5.40 5.50 0.70 13.60 6.30 12.80 10.90 0.00 0.00 55.20
1980-81 0.00 0.00 0.00 0.00 0.70 8.70 3.50 16.10 0.00 0.20 0.00 0.00 29.20
1981-82 0.00 0.00 0.00 2.20 8.20 11.10 27.30 4.20 4.00 7.70 0.00 0.00 64.70
1982-83 0.00 0.00 0.00 0.50 2.40 8.30 7.90 15.90 11.20 16.40 0.00 0.00 62.60
1983-84 0.00 0.00 0.00 0.00 14.00 16.20 2.70 12.00 16.10 5.00 0.00 0.00 66.00
1984-85 0.00 0.00 0.00 0.00 3.70 15.20 12.20 9.40 25.20 3.80 0.00 0.00 69.50
1985-86 0.00 0.00 0.00 0.00 22.50 17.80 14.20 8.70 1.20 0.80 0.00 0.00 65.20
1986-87 0.00 0.00 0.00 0.00 8.40 3.50 8.10 2.30 4.70 0.00 0.00 0.00 27.00
1987-88 0.00 0.00 0.00 0.90 1.70 17.80 18.20 5.80 3.10 15.60 0.00 0.00 63.10
1988-89 0.00 0.00 0.00 0.00 10.80 4.80 4.70 9.30 21.20 0.10 0.20 0.00 51.10
1989-90 0.00 0.00 0.00 2.60 10.70 6.60 5.90 9.30 0.50 0.20 0.00 0.00 35.80
1990-91 0.00 0.00 0.00 0.80 1.60 20.80 9.90 6.10 5.90 0.80 0.00 0.00 45.90
1991-92 0.00 0.00 0.00 4.50 20.30 7.30 9.00 6.50 15.00 0.00 0.00 0.00 62.60
1992-93 0.00 0.00 0.00 0.80 4.30 11.70 15.70 10.80 9.80 9.30 0.00 0.00 62.40
1993-94 0.00 0.00 0.00 0.00 7.70 6.00 21.80 15.30 2.90 3.20 0.00 0.00 56.90
1994-95 0.00 0.00 0.00 0.00 4.80 7.20 4.50 1.40 10.10 5.10 0.00 0.00 33.10
1995-96 0.00 0.00 0.00 2.30 4.00 11.80 30.20 1.90 9.30 2.10 0.00 0.00 z 61.60
1996-97 0.00 z 0.00 z 0.00 z 0.00 z 17.30 0.70 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.30
1997-98 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
1998-99 0.00 z 0.00 z 0.00 z 0.00 z 0.70 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.70
1999-00 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
2000-01 0.00 z 0.00 z 0.00 z 0.00 z 5.40 35.30 7.30 7.40 10.20 0.00 0.00 0.00 65.60
2001-02 0.00 0.00 0.00 0.00 0.40 2.20 10.00 5.50 7.10 6.90 0.00 0.00 32.10
2002-03 0.00 0.00 0.00 1.40 1.00 1.60 5.70 6.40 6.00 6.40 0.00 0.00 28.50
2003-04 0.00 0.00 0.00 0.00 1.30 12.30 9.10 16.60 3.70 0.00 0.00 0.00 43.00
2004-05 0.00 0.00 0.00 0.00 2.80 4.10 13.90 9.10 23.00 0.10 0.00 0.00 53.00
2005-06 0.00 0.00 0.00 0.00 5.50 12.10 0.80 8.20 11.10 0.00 0.00 0.00 37.70
2006-07 0.00 0.00 0.00 0.10 10.60 0.80 10.50 20.10 12.30 7.40 0.00 0.00 61.80
2007-08 0.00 0.00 0.00 0.00 0.90 13.10 13.00 7.30 9.00 0.80 0.00 0.00 44.10
2008-09 0.00 0.00 0.00 0.10 4.40 28.60 9.80 8.00 1.20 0.60 0.00 0.00 52.70
2009-10 0.00 0.00 0.00 7.90 0.20 26.30 4.20 13.90 0.00 0.00 0.00 0.00 52.50
2010-11 0.00 0.00 0.00 0.00 1.30 41.30 9.80 9.30 4.60 4.20 a 0.00 0.00 a 70.50
2011-12 0.00 a 0.00 0.00 z 0.00 0.20 c 8.40 8.10 3.90 0.00 0.00 0.00 0.00 20.60
2012-13 0.00 0.00 0.00 0.00 0.10 14.40 1.90 15.40 23.50 0.00 z 0.00 z 0.00 z 55.30
Period of Record Statistics
MEAN 0.00 0.00 0.02 0.59 4.91 9.75 9.32 7.76 9.11 2.87 0.05 0.00 46.40
S.D. 0.00 0.00 0.10 1.33 4.95 7.84 5.96 5.08 6.49 4.04 0.24 0.00 15.24
SKEW 0.00 0.00 7.18 3.31 1.35 1.52 1.14 0.64 1.06 1.68 7.21 0.00 0.07
MAX 0.00 0.00 0.80 7.90 22.50 41.30 30.20 20.10 35.10 16.40 2.00 0.00 77.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.80 0.20 0.00 0.00 0.00 0.00 9.10
NO YRS 72 74 73 81 91 92 88 91 92 86 82 75 67