WATERTOWN RGNL AP, s

Monthly Total Snowfall (Inches)

(398932)

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
1892-93 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.50 o 13.50 15.80 4.70 0.00 z 0.00 z 34.00
1893-94 0.00 z 0.00 z 0.00 z 0.00 7.00 11.00 v 12.30 0.50 4.00 2.70 0.00 z 0.00 z 26.50
1894-95 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.90 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.90
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 0.90 0.00 z 0.00 z 0.00 z 0.90
1897-98 0.00 z 0.00 z 0.00 z 0.00 z 2.00 1.00 0.00 3.50 1.00 0.00 z 0.00 z 0.00 z 7.50
1898-99 0.00 z 0.00 z 0.00 z 0.00 z 1.50 0.00 0.00 z 0.00 y 3.00 0.00 z 0.00 z 0.00 z 4.50
1899-00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.50 0.20 0.60 y 1.50 0.00 z 0.00 z 0.00 z 4.20
1900-01 0.00 z 0.00 z 0.00 z 0.00 z 1.30 z 0.10 0.60 z 2.50 3.40 z 0.00 z 0.00 z 0.00 z 2.60
1901-02 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.10 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 0.10 10.50 0.20 z 1.00 z 0.30 1.00 0.00 z 0.00 z 11.90
1903-04 0.00 z 0.00 z 0.00 z 0.00 1.00 x 6.50 2.50 x 6.60 w 1.10 z 0.30 z 0.00 z 0.00 z 6.50
1904-05 0.00 z 0.00 z 0.00 z 0.00 0.00 z 6.30 3.00 z 9.00 x 3.50 z 0.50 0.00 z 0.00 z 6.80
1905-06 0.00 0.00 z 0.00 z 35.00 10.00 z 0.00 0.20 z 1.50 13.00 z 0.00 z 0.00 z 0.00 36.50
1906-07 0.00 0.00 0.00 0.00 z 2.00 5.90 y 15.50 v 10.00 w 9.50 z 5.50 z 6.00 0.00 z 8.00
1907-08 0.00 z 0.00 z 0.00 z 0.00 0.00 z 8.00 9.50 z 12.00 13.00 2.00 0.00 z 0.00 z 35.00
1908-09 0.00 z 0.00 z 0.00 z 0.00 z 2.00 4.00 11.00 6.00 1.00 0.00 0.00 z 0.00 z 24.00
1909-10 0.00 z 0.00 z 0.00 z 0.00 6.00 11.80 0.00 v 4.00 0.00 z 4.00 0.00 z 0.00 z 25.80
1910-11 0.00 z 0.00 z 0.00 0.00 0.00 z 3.00 9.00 4.00 0.00 4.50 0.00 0.00 20.50
1911-12 0.00 0.00 0.00 0.00 7.00 0.00 z 1.00 2.50 4.50 0.00 z 0.00 0.00 15.00
1912-13 0.00 0.00 1.00 0.00 0.00 3.00 1.50 2.00 0.50 6.00 0.00 0.00 14.00
1913-14 0.00 0.00 0.00 1.00 0.50 0.00 7.00 5.50 3.00 2.00 0.00 0.00 z 19.00
1914-15 0.00 z 0.00 z 0.00 z 0.00 0.00 2.30 4.10 u 7.70 5.50 0.00 0.00 z 0.00 z 15.50
1915-16 0.00 z 0.00 z 0.00 z 0.00 0.00 9.00 27.00 9.50 3.00 1.00 0.50 0.00 z 50.00
1916-17 0.00 0.00 z 0.00 z 1.00 0.20 4.50 12.00 1.00 14.00 5.70 0.00 z 0.00 z 38.40
1917-18 0.00 z 0.00 z 0.00 z 0.00 1.00 4.00 3.00 3.00 5.00 0.00 0.00 z 0.00 z 16.00
1918-19 0.00 z 0.00 z 0.00 0.00 0.50 6.50 0.50 12.50 1.00 0.00 0.00 z 0.00 z 21.00
1919-20 0.00 z 0.00 z 0.00 z 4.00 9.50 0.20 5.50 6.00 14.00 0.00 0.00 z 0.00 z 39.20
1920-21 0.00 z 0.00 z 0.00 z 0.00 z 4.00 4.00 0.00 1.00 6.00 0.00 0.00 z 0.00 z 15.00
1921-22 0.00 z 0.00 z 0.00 z 0.00 z 11.00 1.00 11.50 22.00 3.50 0.00 0.00 z 0.00 z 49.00
1922-23 0.00 z 0.00 z 0.00 z 0.00 4.50 2.50 5.30 v 1.00 6.20 6.00 0.00 0.00 z 20.20
1923-24 0.00 z 0.00 z 0.00 z 1.00 0.50 4.00 1.00 3.50 17.00 1.00 0.00 0.00 z 28.00
1924-25 0.00 z 0.00 z 0.00 z 0.00 z 3.60 11.00 13.80 0.70 0.00 0.00 z 0.00 z 0.00 z 29.10
1925-26 0.00 z 0.00 z 0.00 z 0.40 1.00 1.00 8.80 0.50 2.50 2.00 0.00 z 0.00 z 16.20
1926-27 0.00 z 0.00 z 0.00 z 0.00 4.50 7.60 3.50 1.20 6.50 0.00 z 0.00 z 0.00 z 23.30
1927-28 0.00 z 0.00 z 0.00 z 0.00 0.50 15.90 1.30 0.00 0.00 5.20 0.00 z 0.00 z 22.90
1928-29 0.00 z 0.00 z 0.00 z 0.00 0.00 2.60 15.90 5.30 6.00 4.00 0.00 0.00 z 33.80
1929-30 0.00 z 0.00 z 0.00 z 2.00 3.70 3.50 8.80 8.50 2.50 0.00 z 0.00 z 0.00 z 29.00
1930-31 0.00 z 0.00 z 0.00 z 0.00 3.90 0.50 0.70 5.20 4.70 0.50 0.00 0.00 15.50
1931-32 0.00 0.00 0.00 0.00 7.00 10.00 10.50 0.20 4.50 3.20 0.00 z 0.00 z 35.40
1932-33 0.00 z 0.00 z 0.00 z 4.90 7.50 4.20 0.80 0.00 5.00 0.00 0.00 0.00 22.40
1933-34 0.00 z 0.00 z 0.00 z 0.00 z 2.50 2.00 1.30 0.40 5.30 0.00 0.00 0.00 z 11.50
1934-35 0.00 z 0.00 z 0.00 0.00 0.50 1.60 6.00 1.50 0.30 11.00 0.00 0.00 20.90
1935-36 0.00 0.00 0.00 0.50 2.40 12.10 7.20 17.70 4.70 2.30 0.00 0.00 46.90
1936-37 0.00 0.00 0.00 0.00 8.20 5.30 13.10 4.60 20.00 8.00 z 0.00 z 0.00 51.20
1937-38 0.00 0.00 0.00 1.00 4.20 11.70 10.30 6.70 12.50 y 7.50 0.00 0.00 41.40
1938-39 0.00 0.00 0.00 0.00 2.50 y 4.50 9.20 10.60 3.10 0.00 0.00 0.00 27.40
1939-40 0.00 0.00 0.00 0.00 0.00 1.00 3.00 5.10 11.80 0.00 z 0.00 0.00 20.90
1940-41 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 2.40 3.50 0.60 0.00 0.00 6.50
1941-42 0.00 0.00 0.00 0.00 2.00 0.00 z 0.40 2.40 4.30 0.30 0.00 0.00 9.40
1942-43 0.00 0.00 z 1.20 0.00 0.00 z 4.20 9.40 10.00 10.50 0.00 0.00 0.00 35.30
1943-44 0.00 0.00 0.00 0.00 z 0.00 z 0.00 0.70 3.30 8.00 0.10 0.00 0.00 12.10
1944-45 0.00 0.00 z 0.00 z 0.00 3.40 10.20 8.70 11.40 4.70 11.50 0.00 z 0.00 49.90
1945-46 0.00 z 0.00 0.00 0.00 2.30 14.00 1.40 24.70 6.30 0.00 0.00 0.00 48.70
1946-47 0.00 0.00 0.00 0.00 5.50 1.70 3.10 5.90 3.40 6.70 0.00 0.00 26.30
1947-48 0.00 0.00 0.00 0.00 23.30 1.00 5.90 10.50 9.50 7.50 0.00 0.00 z 57.70
1948-49 0.00 z 0.00 z 0.00 z 0.00 z 1.20 0.40 6.30 0.10 3.00 0.00 0.00 0.00 11.00
1949-50 0.00 0.00 0.00 0.00 0.20 1.50 4.80 0.00 3.70 6.80 1.00 0.00 18.00
1950-51 0.00 0.00 0.00 0.00 0.20 2.90 5.40 2.90 19.30 0.20 0.00 0.00 30.90
1951-52 0.00 0.00 0.00 4.60 0.30 7.40 5.60 9.00 7.10 0.00 0.00 0.00 34.00
1952-53 0.00 0.00 0.00 0.00 0.90 2.80 11.60 10.10 a 3.40 3.60 0.10 0.00 32.50
1953-54 0.00 0.00 0.00 0.00 8.40 14.30 3.10 3.60 9.70 1.80 4.00 0.00 44.90
1954-55 0.00 0.00 0.00 0.00 1.80 0.20 2.70 9.50 0.70 0.00 0.00 0.00 14.90
1955-56 0.00 0.00 0.00 0.00 5.20 0.00 z 11.10 0.00 z 5.00 0.70 0.00 0.00 22.00
1956-57 0.00 0.00 0.00 0.00 4.40 0.40 2.10 9.30 4.40 7.00 0.00 0.00 27.60
1957-58 0.00 0.00 0.00 0.00 0.00 2.70 0.40 1.10 4.20 2.10 0.00 0.00 10.50
1958-59 0.00 0.00 0.00 0.00 11.70 3.00 5.00 8.90 0.50 1.00 0.00 0.00 30.10
1959-60 0.00 0.00 0.00 4.80 9.60 1.40 6.70 0.70 7.40 5.00 0.00 0.00 35.60
1960-61 0.00 0.00 0.00 0.00 5.00 2.80 0.30 4.60 3.80 3.00 0.00 0.00 19.50
1961-62 0.00 0.00 0.00 0.00 4.00 7.80 4.70 12.60 17.50 2.00 0.00 0.00 48.60
1962-63 0.00 0.00 0.00 0.00 0.00 a 0.20 6.00 2.80 13.50 1.80 0.00 0.00 24.30
1963-64 0.00 0.00 0.00 0.00 0.00 5.90 0.00 2.60 11.70 1.00 0.00 0.00 21.20
1964-65 0.00 z 0.00 0.00 0.00 5.00 4.00 4.40 2.80 20.50 0.00 0.00 0.00 36.70
1965-66 0.00 0.00 0.00 0.00 3.00 0.00 2.70 2.50 6.90 5.50 1.00 0.00 21.60
1966-67 0.00 0.00 0.00 0.00 2.30 2.50 6.80 10.30 a 1.80 0.10 0.00 0.00 23.80
1967-68 0.00 0.00 0.00 0.00 1.00 4.00 4.00 0.00 0.00 3.50 0.00 0.00 12.50
1968-69 0.00 0.00 0.00 0.00 2.00 18.70 11.30 16.30 2.30 0.00 0.00 0.00 50.60
1969-70 0.00 0.00 0.00 5.00 1.00 9.90 2.40 0.60 7.40 5.40 0.00 0.00 31.70
1970-71 0.00 0.00 0.00 6.50 8.20 3.40 2.90 7.60 1.10 0.00 0.00 0.00 29.70
1971-72 0.00 0.00 0.00 2.20 7.80 5.90 4.20 2.70 1.70 2.30 0.00 0.00 26.80
1972-73 0.00 0.00 0.00 1.10 3.10 7.70 3.10 3.50 0.00 0.00 0.00 0.00 18.50
1973-74 0.00 0.00 0.00 0.00 0.00 7.80 0.90 5.70 4.40 0.00 0.00 0.00 18.80
1974-75 0.00 0.00 0.00 0.00 1.30 1.50 24.90 3.10 22.00 1.00 0.00 0.00 53.80
1975-76 0.00 0.00 0.00 0.00 8.30 1.10 7.50 5.00 12.40 0.00 0.00 0.00 34.30
1976-77 0.00 0.00 0.00 3.50 0.10 4.80 4.60 9.20 4.50 0.80 0.00 0.00 27.50
1977-78 0.00 0.00 0.00 1.00 21.80 11.40 1.40 3.10 9.90 3.00 0.00 0.00 51.60
1978-79 0.00 0.00 0.00 0.00 5.50 3.70 22.50 4.50 6.30 1.30 1.00 0.00 44.80
1979-80 0.00 0.00 0.00 2.00 2.60 1.30 5.50 8.50 8.00 0.80 0.00 0.00 28.70
1980-81 0.00 0.00 0.00 0.40 1.40 1.10 4.20 3.10 0.00 0.00 0.00 0.00 10.20
1981-82 0.00 0.00 0.00 0.90 4.30 5.00 11.50 f 2.60 4.90 2.20 0.00 0.00 19.90
1982-83 0.00 0.00 0.00 1.30 2.10 2.80 2.30 1.30 10.40 3.10 0.00 0.00 23.30
1983-84 0.00 0.00 0.00 0.00 13.20 6.80 5.10 1.90 14.20 0.30 0.00 0.00 41.50
1984-85 0.00 0.00 0.00 1.50 0.60 7.50 2.90 2.40 19.00 0.20 0.00 0.00 34.10
1985-86 0.00 z 0.00 z 0.00 0.00 18.20 5.20 3.20 8.80 1.90 0.00 0.00 0.00 37.30
1986-87 0.00 0.00 0.00 0.00 2.70 0.00 4.00 7.10 6.20 0.00 0.00 0.00 20.00
1987-88 0.00 0.00 0.00 0.10 1.00 2.60 4.90 3.20 3.90 5.10 0.00 0.00 20.80
1988-89 0.00 0.00 0.00 0.00 2.80 3.10 3.30 13.40 18.90 2.70 0.00 0.00 44.20
1989-90 0.00 0.00 0.00 0.00 3.70 1.70 0.40 2.40 1.10 2.30 0.00 0.00 11.60
1990-91 0.00 0.00 0.00 0.30 0.40 4.60 0.80 12.90 2.20 0.00 0.00 a 0.00 21.20
1991-92 0.00 0.00 0.00 0.00 4.50 1.20 5.20 2.90 5.00 2.80 0.00 0.00 21.60
1992-93 0.00 0.00 0.00 1.70 10.30 7.50 4.70 5.60 1.70 3.50 0.00 0.00 35.00
1993-94 0.00 0.00 0.00 0.00 13.50 10.30 14.90 14.70 1.80 2.70 0.00 0.00 57.90
1994-95 0.00 0.00 0.00 0.00 2.80 4.70 7.10 6.30 6.20 11.50 0.00 0.00 38.60
1995-96 0.00 0.00 0.20 12.60 2.20 3.50 11.70 9.50 5.70 0.50 g 0.00 z 0.00 z 45.40
1996-97 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 0.00 z 9.10 8.80 0.00 z 0.00 z 0.00 0.00 z 0.00 z 17.90
2001-02 0.00 z 0.00 z 0.00 0.00 7.60 1.50 7.00 1.30 14.90 6.20 0.00 0.00 38.50
2002-03 0.00 0.00 0.00 7.00 0.30 3.60 4.10 11.10 4.80 0.00 0.00 0.00 30.90
2003-04 0.00 0.00 0.00 2.90 20.00 2.70 10.30 10.00 0.00 z 0.00 0.00 0.00 45.90
2004-05 0.00 0.00 0.00 0.00 0.00 0.70 5.00 4.50 2.50 0.00 0.00 0.00 12.70
2005-06 0.00 0.00 0.00 0.00 7.00 17.40 3.50 3.30 1.50 0.00 0.00 0.00 32.70
2006-07 0.00 0.00 0.00 0.50 0.00 3.00 1.50 27.00 10.00 7.50 0.00 0.00 49.50
2007-08 0.00 0.00 0.00 0.00 0.20 0.00 z 0.50 4.00 7.10 29.50 0.00 0.00 41.30
2008-09 0.00 0.00 0.00 0.00 5.50 18.50 10.60 8.80 8.90 2.00 0.00 0.00 54.30
2009-10 0.00 0.00 0.00 3.00 0.00 25.00 12.60 18.00 0.00 0.00 0.00 0.00 58.60
2010-11 0.00 0.00 0.00 0.10 2.00 29.00 20.40 21.50 5.40 1.00 0.00 0.00 a 79.40
2011-12 0.00 a 0.00 a 0.00 z 0.00 c 4.00 b 0.00 6.10 8.10 1.40 0.00 c 0.00 0.00 19.60
2012-13 0.00 a 0.00 0.00 0.50 0.00 10.20 1.90 11.50 a 5.60 0.00 z 0.00 z 0.00 z 29.70
Period of Record Statistics
MEAN 0.00 0.00 0.03 1.15 3.98 5.19 5.99 6.23 6.10 2.51 0.17 0.00 31.78
S.D. 0.00 0.00 0.18 3.93 4.75 5.32 5.39 5.57 5.39 3.89 0.81 0.00 14.85
SKEW 0.00 0.00 5.94 6.91 2.02 1.88 1.56 1.42 1.19 3.86 6.02 0.00 0.80
MAX 0.00 0.00 1.20 35.00 23.30 29.00 27.00 27.00 22.00 29.50 6.00 0.00 79.40
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 10.20
NO YRS 75 73 78 99 101 106 100 105 105 98 82 77 52