MADISON WWTP, MN

Total of Snowfall (Inches)

(214994)

File last updated on March 29, 2024
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)JULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNANN
1939-40-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00 0.00 0.00j
1940-410.00 0.00 0.00 0.00 10.50 2.50 4.00 2.00 -----z0.00 0.00 0.00 19.00a
1941-420.00 0.00 0.00 0.40 1.50 3.50 0.00 0.00 2.50 0.50 0.00 0.00 8.40
1942-430.00 0.00 -----z0.00 0.00 4.50 -----z-----z-----z-----z-----z0.00 4.50f
1943-440.00 0.00 0.00 0.00 13.00 0.00 0.00 11.50 13.50 0.00 -----z0.00 38.00a
1944-450.00 0.00 0.00 0.00 -----z3.00 7.40 14.80 4.00 1.00 0.00 0.00 30.20a
1945-460.00 0.00 0.00 0.00 2.00 20.00 4.60y19.50 12.50 0.50 0.00 0.00 54.50a
1946-470.00 0.00 0.00 0.00 8.90 4.20 8.00 6.00 2.00 6.00 0.00 0.00 35.10
1947-480.00 0.00 0.00 0.00 24.00 2.40 3.70 14.00 6.00 2.50 0.00 0.00 52.60
1948-49-----z0.00 0.00 0.00 10.50 1.50 10.40 0.50 0.30 0.00 0.00 0.00 23.20a
1949-500.00 0.00 0.00 0.00 3.50 8.00 7.30 0.00 6.00 8.00a0.00 0.00 32.80
1950-510.00 0.00 0.00 0.00 3.50 16.50 7.40 10.50 33.10 5.00 0.00 0.00 76.00
1951-520.00 0.00 0.00 8.00 5.00 10.60 12.10 23.60 13.50 0.00 0.00 0.00 72.80
1952-530.00 0.00 0.00d0.00 5.00 11.00 10.10 18.10 6.00 2.50 0.00 0.00 52.70
1953-540.00 0.00 0.00 0.00 4.50 17.50 3.50 7.50 13.00 0.50 1.50 0.00 48.00
1954-550.00 0.00 0.00 0.00 4.00 3.50 7.20 10.60 2.70 0.00 0.00 0.00 28.00
1955-560.00 0.00 0.00 0.00 1.60 12.00 12.20 2.50 12.10 2.00 0.00 0.00 42.40
1956-570.00 0.00 0.00 0.00 5.00 0.50 2.90 12.00 10.80 14.50 0.00 0.00 45.70
1957-580.00a0.00 0.00 0.00 2.10 4.80 3.50 3.50 6.50 0.00 0.00 0.00 20.40
1958-590.00 0.00 0.00 0.00 5.50 1.30 4.40 10.00 1.50 9.00 0.00 0.00 31.70
1959-600.00 0.00 0.00 4.50 8.20 5.30 9.10 1.10 7.00 9.50 0.00 0.00 44.70
1960-610.00 0.00 0.00 0.00 3.50 2.20 0.20 4.00 10.10 4.00 0.00 0.00 24.00
1961-620.00 0.00 0.00 0.00 3.00 8.00 5.00 25.10 19.20 6.50 0.00 0.00 66.80
1962-630.00 0.00 0.00 0.00 4.50 0.00 2.70 3.20 11.00 4.00 0.00 0.00 25.40
1963-640.00 0.00 0.00 0.00 0.00 4.90 1.10 0.60 7.20 1.00 0.00 0.00 14.80
1964-650.00 0.00 0.00 0.00 1.00e1.00 -----z8.00 24.50 0.00 0.00 0.00 34.50a
1965-660.00 0.00 0.00 0.00 8.00 0.00 2.70 3.00 10.00 4.00 0.00 0.00 27.70
1966-670.00 0.00 0.00 0.00 -----z4.00 11.00a16.00 2.00 0.00 0.00 0.00 33.00a
1967-680.00 0.00 0.00 0.00 0.00 -----z6.00 1.00 0.00 3.00 0.00 0.00 10.00a
1968-690.00 0.00 0.00 0.00 2.00 26.50 17.00 14.00 4.00 0.00 0.00 0.00 63.50
1969-700.00 0.00 0.00 3.00 2.50 -----z-----z-----z0.50 5.50 0.00 0.00 11.50c
1970-710.00 0.00 0.00 -----z4.00 1.00 4.20 11.00 2.00 0.00 0.00 0.00 22.20a
1971-720.00 0.00 0.00 1.50 3.00b1.50 5.10 3.50 3.00 -----z0.00 0.00 17.60a
1972-730.00 0.00 0.00 0.00 0.00 11.00 3.70 4.00 0.00 0.00 0.00 0.00 18.70
1973-740.00 0.00 0.00 0.00 0.30 12.00 0.00 13.00 1.00 0.00 0.00 0.00 26.30
1974-750.00 0.00 0.00 0.00 1.00 2.00 20.00 12.00 -----z2.00 0.00 0.00 37.00a
1975-760.00 0.00 0.00 0.00 10.00 0.00 14.00a-----z13.00 0.00 0.00 0.00 37.00a
1976-770.00 0.00 0.00 1.00 -----z7.00b6.00 -----z7.00 0.00 0.00 0.00 21.00b
1977-780.00 0.00 0.00 0.00 12.00a-----z-----z7.00 9.20 3.00 0.00 0.00 31.20b
1978-790.00 0.00 0.00 0.00 5.20 0.60a23.10 7.60 15.30 0.80 0.40 0.00 53.00
1979-800.00 -----z-----z0.00 4.20 0.30 2.70 5.40 9.70 -----z0.00 0.00 22.30c
1980-810.00 0.00 0.00 0.00 0.60 0.80 5.40 2.90 0.00 0.00 0.00 0.00 9.70
1981-820.00 0.00 0.00 0.00 5.10 9.00 14.40b4.10 4.20 1.70 0.00 0.00 38.50
1982-830.00 0.00 0.00 0.00 0.00 8.00 4.10 1.30 20.10 5.70 0.00 0.00 39.20
1983-840.00 0.00 0.00 0.00 13.00 6.00 6.20 6.80 5.80 0.00 0.00 0.00 37.80
1984-850.00 0.00 0.00 0.50 0.00 11.00 5.90a4.40 22.50 -----z-----z-----z44.30c
1985-86-----z-----z-----z-----z-----z-----z7.30 10.10 -----z0.40 0.00 0.00 17.80g
1986-870.00 -----z0.00 0.40 10.20 0.00a2.30 6.20 0.80 0.00 0.00 0.00 19.90a
1987-880.00 0.00 -----z-----z-----z5.60 22.70 2.90a11.00 0.00 0.00 0.00 42.20c
1988-890.00 0.00 -----z-----z11.80 7.00 2.90 8.00 29.40 2.40 0.00 0.00 61.50b
1989-900.00 0.00 0.00 0.00 6.20 1.90 0.30 9.20 11.00 1.90 0.00 0.00 30.50
1990-910.00 0.00 0.00 2.20 0.50 3.90 2.20 11.50 10.50 0.20 0.00 0.00 31.00
1991-920.00 0.00 0.00 1.80 15.70 4.10 5.90 3.40 2.60 1.70 0.00 0.00 35.20
1992-930.00 0.00 0.00 1.20 8.70 9.40 9.00a6.60 6.20b0.90 0.00 0.00 42.00
1993-940.00 0.00 0.00 0.70 16.70a6.60 19.60 14.40 2.20 10.70 0.00 0.00 70.90
1994-950.00 0.00 0.00 0.00 6.30 3.00 3.40 3.10 12.60 14.00 0.00 0.00 42.40
1995-960.00 0.00 0.00 4.20 3.60 9.40 15.40 7.50 10.10 4.30 0.00 0.00 54.50
1996-970.00 -----z-----z0.00 -----z16.20 23.30 12.60 14.00 3.20 0.00 0.00 69.30c
1997-980.00 0.00 0.00 0.00 6.40 0.80b5.60b4.80b5.40a4.70 0.00 0.00 27.70
1998-990.00b0.00 0.00 0.00 9.80 0.80 12.50 2.30 6.90 0.00 0.00b0.00 32.30
1999-000.00 0.00 0.00 0.00 0.00 0.90 10.20 5.70 2.70 1.80a0.00 0.00 21.30
2000-010.00 0.00 0.00 0.00 8.00a12.40a15.00 26.80 7.40 0.00b0.00 0.00 69.60
2001-020.00 0.00 0.00 0.00 17.20 1.00 4.40 2.50 19.60 -----z0.00b0.00 44.70a
2002-03-----z-----z0.00 5.30 1.40 1.50 2.80 15.70 3.20 0.00a0.00 0.00 29.90b
2003-040.00 0.00 0.00 0.00 21.00 3.20 6.50 6.50a4.40 0.00 0.00 -----z41.60a
2004-050.00 0.00 0.00 0.00 0.30 0.60 9.10 2.50 -----z0.00 -----z0.00 12.50b
2005-060.00 0.00 0.00 0.00 4.70 21.60 4.00 2.00 3.30 0.00 0.00 0.00 35.60
2006-070.00 0.00 0.00 0.00 0.00 0.50 0.80 12.80 16.00x4.30 0.00 0.00 18.40a
2007-080.00 0.00 0.00 0.00 0.00 8.30 0.30 3.60 16.60 29.50 0.00 0.00 58.30
2008-090.00 0.00 0.00 0.50 5.20 18.50 7.60 10.60 3.40 2.30 0.00 0.00 48.10
2009-100.00 0.00 0.00 3.80 0.20 24.70 6.60 16.10 0.00 0.00 0.00 0.00 51.40
2010-110.00 0.00 0.00 0.00 1.80a27.30 16.50 30.00 10.00 0.30 0.00 0.00 85.90
2011-120.00 0.00 0.00 0.00 6.00 0.60 2.20 6.80 4.70 0.00 0.00 0.00 20.30
2012-130.00 0.00 0.00 1.40 0.30 20.90 0.00 10.30 2.00 17.60 0.00 0.00 52.50
2013-140.00 0.00 0.00 0.00 0.00 9.20 11.10 3.30 12.50 6.10 0.00 0.00 42.20
2014-150.00 0.00 0.00 0.00 17.60 3.80 3.40 6.00 4.20 0.00 0.00 0.00 35.00
2015-160.00 0.00 0.00 0.00 0.00 23.10 3.50 7.00 3.00 0.00 0.00 0.00 36.60
2016-170.00 0.00 0.00 0.00 6.50 13.40 8.20 0.80 9.20 0.00 3.00 0.00 41.10
2017-180.00 0.00 0.00 0.10 0.00 5.20 2.50 15.60 21.20 31.60 0.00 0.00 76.20
2018-190.00 0.00 0.00 0.00 5.00 18.10 11.50 15.00 13.00 20.00 0.00 0.00 82.60
2019-200.00 0.00 0.00 0.00 4.00 16.00 8.00 6.00 2.00 0.00 0.00 0.00 36.00
2020-210.00 0.00 0.00 7.00 4.00 7.00 8.00 5.00 5.00 0.00 0.00 0.00 36.00
2021-220.00 0.00 0.00 0.00 1.00 6.70 15.00 4.00 1.00 0.00 0.00 0.00 27.70
2022-230.00 0.00 0.00 0.00 0.00 17.00 10.00 16.00 7.00a6.00 0.00 0.00 56.00
2023-240.00 0.00 0.00 0.00 0.00 0.00 7.00 5.00 8.00c-----z-----z-----z20.00c
Period of Record Statistics
MEAN0.00 0.00 0.00 0.59 5.14 7.25 7.35 8.30 8.21 3.42 0.06 0.00 42.10
S.D.0.00 0.00 0.00 1.55 5.38 7.16 5.69 6.45 6.96 6.08 0.38 0.00 18.32
SKEW0.00 0.00 0.00 3.14 1.38 1.11 1.05 1.15 1.29 2.88 6.85 0.00 0.53
MAX0.00 0.00 0.00 8.00 24.00 27.30 23.30 30.00 33.10 31.60 3.00 0.00 85.90
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.40
YRS81 79 78 80 78 80 79 80 78 78 80 82 55