MADISON SEWAGE PLT,

Monthly Total Snowfall (Inches)

(214994)

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1939-40 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 0.00
1940-41 0.00 0.00 0.00 0.00 10.50 2.50 4.00 2.00 0.00 z 0.00 0.00 0.00 19.00
1941-42 0.00 0.00 0.00 0.40 1.50 3.50 0.00 0.00 2.50 0.50 0.00 0.00 8.40
1942-43 0.00 0.00 0.00 z 0.00 0.00 4.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 4.50
1943-44 0.00 0.00 0.00 0.00 13.00 0.00 0.00 11.50 13.50 0.00 0.00 z 0.00 38.00
1944-45 0.00 0.00 0.00 0.00 0.00 z 3.00 7.40 14.80 4.00 1.00 0.00 0.00 30.20
1945-46 0.00 0.00 0.00 0.00 2.00 20.00 4.60 y 19.50 12.50 0.50 0.00 0.00 54.50
1946-47 0.00 0.00 0.00 0.00 8.90 4.20 8.00 6.00 2.00 6.00 0.00 0.00 35.10
1947-48 0.00 0.00 0.00 0.00 24.00 2.40 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 26.40
1948-49 0.00 z 0.00 0.00 0.00 10.50 1.50 10.40 0.50 0.30 0.00 0.00 0.00 23.20
1949-50 0.00 0.00 0.00 0.00 3.50 8.00 7.30 0.00 6.00 8.30 0.00 0.00 33.10
1950-51 0.00 0.00 0.00 0.00 3.50 16.50 7.40 10.50 33.10 5.00 0.00 0.00 76.00
1951-52 0.00 0.00 0.00 8.00 5.00 10.60 12.10 23.60 13.50 0.00 0.00 0.00 72.80
1952-53 0.00 0.00 0.00 d 0.00 5.00 11.00 10.10 18.10 6.00 2.50 0.00 0.00 52.70
1953-54 0.00 0.00 0.00 0.00 4.50 17.50 3.50 7.50 13.00 0.50 1.50 0.00 48.00
1954-55 0.00 0.00 0.00 0.00 4.00 3.50 7.20 10.60 2.70 0.00 0.00 0.00 28.00
1955-56 0.00 0.00 0.00 0.00 1.60 12.00 12.20 2.50 12.10 2.00 0.00 0.00 42.40
1956-57 0.00 0.00 0.00 0.00 5.00 0.50 2.90 12.00 10.80 14.50 0.00 0.00 45.70
1957-58 0.00 a 0.00 0.00 0.00 2.10 4.80 3.50 3.50 6.50 0.00 0.00 0.00 20.40
1958-59 0.00 0.00 0.00 0.00 5.50 1.30 4.40 10.00 1.50 9.00 0.00 0.00 31.70
1959-60 0.00 0.00 0.00 4.50 8.20 5.30 9.10 1.10 7.00 9.50 0.00 0.00 44.70
1960-61 0.00 0.00 0.00 0.00 3.50 2.20 0.20 4.00 10.10 4.00 0.00 0.00 24.00
1961-62 0.00 0.00 0.00 0.00 3.00 8.00 5.00 25.10 19.20 6.50 0.00 0.00 66.80
1962-63 0.00 0.00 0.00 0.00 4.50 0.00 2.70 3.20 11.00 4.00 0.00 0.00 25.40
1963-64 0.00 0.00 0.00 0.00 0.00 4.90 1.10 0.60 7.20 1.00 0.00 0.00 14.80
1964-65 0.00 0.00 0.00 0.00 1.00 e 1.00 0.00 z 8.00 24.50 0.00 0.00 0.00 34.50
1965-66 0.00 0.00 0.00 0.00 8.00 0.00 2.70 3.00 10.00 4.00 0.00 0.00 27.70
1966-67 0.00 0.00 0.00 0.00 0.00 z 4.00 11.00 16.00 2.00 0.00 0.00 0.00 33.00
1967-68 0.00 0.00 0.00 0.00 0.00 0.00 z 6.00 1.00 0.00 3.00 0.00 0.00 10.00
1968-69 0.00 0.00 0.00 0.00 2.00 26.50 a 17.00 14.00 4.00 0.00 0.00 0.00 63.50
1969-70 0.00 0.00 0.00 3.00 2.50 0.00 z 0.00 z 0.00 z 0.50 5.50 0.00 0.00 11.50
1970-71 0.00 0.00 0.00 0.00 z 4.00 1.00 4.20 11.30 2.00 0.00 0.00 0.00 22.50
1971-72 0.00 0.00 0.00 1.50 3.00 b 1.50 5.10 3.50 3.00 0.00 z 0.00 0.00 17.60
1972-73 0.00 0.00 0.00 0.00 0.00 11.00 3.70 4.00 0.00 0.00 0.00 0.00 18.70
1973-74 0.00 0.00 0.00 0.00 0.30 12.00 0.00 13.00 1.00 0.00 0.00 0.00 26.30
1974-75 0.00 0.00 0.00 0.00 1.00 2.00 20.00 12.00 0.00 z 2.00 0.00 0.00 37.00
1975-76 0.00 0.00 0.00 0.00 10.00 0.00 14.00 a 0.00 z 13.00 0.00 0.00 0.00 37.00
1976-77 0.00 0.00 0.00 1.00 0.00 z 7.00 b 6.00 0.00 z 7.00 0.00 0.00 0.00 21.00
1977-78 0.00 0.00 0.00 0.00 12.00 a 2.00 z 0.00 z 7.00 9.20 3.00 0.00 0.00 31.20
1978-79 0.00 0.00 0.00 0.00 5.20 0.60 a 23.10 7.60 15.30 0.80 0.40 0.00 53.00
1979-80 0.00 0.00 z 0.00 z 0.00 4.20 0.30 2.70 5.40 9.70 0.00 z 0.00 0.00 22.30
1980-81 0.00 0.00 0.00 0.00 0.60 0.80 5.40 2.90 0.00 0.00 0.00 0.00 9.70
1981-82 0.00 0.00 0.00 0.00 5.10 9.00 14.40 b 4.10 4.20 1.70 0.00 0.00 38.50
1982-83 0.00 0.00 0.00 0.00 0.00 8.00 4.10 1.30 20.10 5.70 0.00 0.00 39.20
1983-84 0.00 0.00 0.00 0.00 13.00 6.00 6.20 6.80 5.80 0.00 0.00 0.00 37.80
1984-85 0.00 0.00 0.00 0.50 0.00 11.00 5.90 a 4.40 22.50 0.00 z 0.00 z 0.00 z 44.30
1985-86 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.30 10.10 0.00 z 0.40 0.00 0.00 17.80
1986-87 0.00 0.00 z 0.00 0.40 10.20 0.00 2.30 6.20 0.80 0.00 0.00 0.00 19.90
1987-88 0.00 0.00 0.00 z 0.00 z 0.00 z 5.60 22.70 2.90 a 11.00 0.00 0.00 0.00 42.20
1988-89 0.00 0.00 0.00 z 0.00 z 11.80 7.00 2.90 8.00 29.40 2.40 0.00 0.00 61.50
1989-90 0.00 0.00 0.00 0.00 6.20 1.90 0.30 9.20 11.00 1.90 0.00 0.00 30.50
1990-91 0.00 0.00 0.00 2.20 0.50 3.90 2.20 11.50 10.50 0.20 0.00 0.00 31.00
1991-92 0.00 0.00 0.00 1.80 15.70 4.10 5.90 3.40 2.60 1.70 0.00 0.00 35.20
1992-93 0.00 0.00 0.00 1.20 8.70 9.40 9.00 a 6.60 6.20 b 0.90 0.00 0.00 42.00
1993-94 0.00 0.00 0.00 0.70 16.70 a 6.60 19.60 14.40 2.20 10.70 0.00 0.00 70.90
1994-95 0.00 0.00 0.00 0.00 6.30 3.00 3.40 3.10 12.60 14.00 0.00 0.00 42.40
1995-96 0.00 0.00 0.00 4.20 3.60 9.40 15.40 7.50 10.10 4.30 0.00 0.00 54.50
1996-97 0.00 0.00 z 0.00 z 0.00 0.00 z 16.20 23.30 12.60 14.00 3.20 0.00 0.00 69.30
1997-98 0.00 0.00 0.00 0.00 6.40 0.80 b 5.60 b 4.80 b 5.40 a 4.70 0.00 0.00 27.70
1998-99 0.00 b 0.00 0.00 0.00 9.80 0.80 12.50 2.30 6.90 0.00 0.00 b 0.00 32.30
1999-00 0.00 0.00 0.00 0.00 0.00 0.90 10.20 5.70 2.70 1.80 a 0.00 0.00 21.30
2000-01 0.00 0.00 0.00 0.00 8.00 a 12.40 a 15.00 26.80 7.40 0.00 b 0.00 0.00 69.60
2001-02 0.00 0.00 0.00 0.00 17.20 1.00 4.40 2.50 19.60 0.00 z 0.00 b 0.00 44.70
2002-03 0.00 z 0.00 z 0.00 5.30 1.40 1.50 2.80 15.70 3.20 0.00 a 0.00 0.00 29.90
2003-04 0.00 0.00 0.00 0.00 0.00 z 3.20 6.50 6.50 a 4.40 0.00 0.00 0.00 z 20.60
2004-05 0.00 0.00 0.00 0.00 0.30 0.60 9.10 2.50 0.00 z 0.00 0.00 z 0.00 12.50
2005-06 0.00 0.00 0.00 0.00 4.70 21.60 4.00 2.00 3.30 0.00 0.00 0.00 35.60
2006-07 0.00 0.00 0.00 0.00 0.00 0.50 0.80 12.80 15.50 a 4.30 0.00 0.00 33.90
2007-08 0.00 0.00 0.00 0.00 0.00 8.30 0.30 3.60 16.60 29.50 0.00 0.00 58.30
2008-09 0.00 0.00 0.00 0.50 5.20 a 18.50 7.60 10.60 3.40 2.30 0.00 0.00 48.10
2009-10 0.00 0.00 0.00 3.80 0.20 24.70 6.60 16.10 0.00 0.00 0.00 0.00 51.40
2010-11 0.00 0.00 0.00 0.00 1.80 a 27.30 16.50 30.00 10.00 0.30 0.00 0.00 85.90
2011-12 0.00 0.00 0.00 0.00 6.00 0.60 2.20 6.80 4.70 0.00 0.00 0.00 20.30
2012-13 0.00 0.00 0.00 1.40 0.30 20.90 0.00 10.30 2.00 a 0.00 z 0.00 z 0.00 z 34.90
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.59 5.18 6.67 7.29 8.33 8.41 2.77 0.03 0.00 40.35
S.D. 0.00 0.00 0.00 1.46 5.06 7.04 5.98 6.65 7.19 4.75 0.19 0.00 18.34
SKEW 0.00 0.00 0.00 3.13 1.32 1.32 1.07 1.20 1.23 3.30 7.38 0.00 0.54
MAX 0.00 0.00 0.00 8.00 24.00 27.30 23.30 30.00 33.10 29.50 1.50 0.00 85.90
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 8.40
NO YRS 70 68 67 69 66 69 67 68 67 66 68 70 44