IRONWOOD, MI

Total of Snowfall (Inches)

(204104)

File last updated on May 12, 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)	JUL		AUG		SEP		OCT		NOV		DEC		JAN		FEB		MAR		APR		MAY		JUN		ANN
1901-02	0.00	q	0.00		0.00		0.00		3.80		22.90		5.90		4.30		9.00		1.00		0.00		0.00		46.90	a
1902-03	0.00		0.00	a	0.00		0.00		4.90		17.80		20.00		7.10		2.00		3.10		0.00		0.00		54.90
1903-04	0.00		0.00		0.00		0.00		19.60		44.00		32.00		19.50		22.60		3.50		-----	z	0.00		141.20	a
1904-05	0.00		0.00		0.00		3.00		11.50		23.10		17.10		5.00		1.00		5.10		0.00		0.00		65.80
1905-06	0.00		0.00		0.00		1.50		14.10		15.40		28.00		13.00		15.00		0.30		0.80		0.00		88.10
1906-07	0.00		0.00		0.00		2.00		13.80		16.60		26.00		12.00		9.00		24.50		0.50		0.00		104.40
1907-08	0.00		0.00		0.00		0.00		15.00		10.50		16.00		35.50		9.00	r	23.00		3.00		0.00		103.00	a
1908-09	0.00		0.00		1.00		0.00		9.00		16.00		18.00		39.00		24.00		33.00		8.00		0.00		148.00
1909-10	0.00		0.00		0.00		15.00		18.00		26.00		16.00		16.00		0.00		8.00		0.00		0.00		99.00
1910-11	0.00		0.00		0.00		11.00		13.00		22.00		19.00		13.00		13.00		4.00		0.00		0.00		95.00
1911-12	0.00		0.00		0.00		0.00		46.00		20.00		9.00		5.00		7.00		7.00		0.00		0.00		94.00
1912-13	0.00		0.00		0.00		0.00		17.00		18.00		11.00		14.00		26.00		6.00		0.00		0.00		92.00
1913-14	0.00		0.00		2.00		11.00		6.00		4.00		15.00		13.00		20.00		18.00		1.00		0.00		90.00
1914-15	0.00		0.00		0.00		2.00		15.00		9.00		32.00		9.00		6.00		1.00		0.00		0.00		74.00
1915-16	0.00		0.00		0.00		3.00		9.00		28.00		28.00		6.00		21.00		7.00		0.00		0.00		102.00
1916-17	0.00		0.00		0.00		3.00		14.00		17.00		11.00		15.00		52.00		10.00		4.00		0.00		126.00
1917-18	0.00		0.00		0.00		12.00		3.00		28.00		25.00		15.00		6.00		6.00		0.00		0.00		95.00
1918-19	0.00		0.00		0.00		3.00		12.00		10.00		17.00		18.00		10.00		4.00		0.00		0.00		74.00
1919-20	0.00		0.00		0.00		9.00		29.00		15.00		9.00		15.00		23.00		9.00		0.00		0.00		109.00
1920-21	0.00		0.00		0.00		1.00		28.00		39.00	a	16.00		17.00		9.00		4.00		2.00		0.00		116.00
1921-22	0.00		0.00		0.00		0.00		13.00		30.00		13.00		38.00		10.00		15.00		0.00		0.00		119.00
1922-23	0.00		0.00		0.00		2.00		6.00		13.00		18.00		12.00		37.00		11.00		6.00		0.00		105.00
1923-24	0.00		0.00		0.00		6.00		6.50		10.00		13.00		12.00		26.00		10.00		2.00		0.00		85.50
1924-25	0.00		0.00		0.00		0.00		12.00		25.00		9.00		20.00		7.00		1.00		0.00		0.00		74.00
1925-26	0.00		0.00		0.00		10.50		7.50		13.50		8.00		12.50		44.00		14.00		0.00		0.00		110.00
1926-27	0.00		0.00		0.00		5.00		28.00		18.00		19.00		36.00		6.50		3.00		1.00	k	0.00		115.50	a
1927-28	0.00		0.00		0.00		0.00	x	40.00		54.50		25.00		16.00		18.00		43.00		0.00		0.00		196.50	a
1928-29	0.00		0.00		3.50		0.00	y	7.50		19.50		47.00		22.50		21.00		10.00		4.00		0.00		135.00	a
1929-30	0.00		0.00		0.00		6.00	c	26.50		55.50		37.50		24.00		14.00		0.00		0.00		0.00		163.50
1930-31	0.00		0.00		0.00		12.00		23.00		21.50		16.50		22.00		16.50		11.00		0.00		0.00		122.50
1931-32	0.00		0.00		0.00		0.00		4.00		3.00		31.00		25.50		22.50		6.50		0.00		0.00		92.50
1932-33	0.00		0.00		0.00		8.50		9.50		30.00		20.00		29.50		21.00		14.00		0.00		0.00		132.50
1933-34	0.00		0.00		0.00		17.00		35.80		26.50		16.20		30.50		21.30		14.50		0.00		0.00		161.80
1934-35	0.00		0.00		0.00		2.00		19.00		45.00		36.50		16.00		6.50		12.50		0.00		0.00		137.50
1935-36	0.00		0.00		0.00		10.00		35.50		36.10		38.30		22.00		34.70		4.00		0.00		0.00		180.60
1936-37	0.00		0.00		0.00		6.00		38.00		7.50		31.50		58.50		3.50		8.50		0.00		0.00		153.50
1937-38	0.00		0.00		0.00		3.50		25.80		37.50		58.50		4.50		7.50		8.30		0.00		0.00		145.60
1938-39	0.00		0.00		0.00		10.00		7.00		18.80		22.70		37.50		20.30		20.50		0.00		0.00		136.80
1939-40	0.00		0.00		0.00		10.70		3.00		34.00		52.00		31.00		23.00		2.50		5.00		0.00		161.20
1940-41	0.00		0.00		0.00		0.00		25.00		31.00		22.50		34.50		16.00		4.00		0.00		0.00		133.00
1941-42	0.00		0.00		0.00		0.00		8.00		31.50		17.00		16.50		33.50		9.00		0.00		0.00		115.50
1942-43	0.00		0.00		2.00		16.00		34.50		48.50		35.50		26.50		47.00		20.00		0.00		0.00		230.00
1943-44	0.00		0.00		0.00		0.00		25.00		14.50		7.20		24.00		47.50		9.00		0.00		0.00		127.20
1944-45	0.00		0.00		0.00		0.00	u	17.00		37.00		30.50		30.50		5.00		16.00		-----	z	0.00	a	136.00	b
1945-46	0.00		0.00		0.00	b	0.00		30.00		33.50		23.50		14.00		4.50		2.50		0.00		0.00		108.00
1946-47	0.00		0.00		0.00		0.00		13.00		22.50		7.00		42.50		10.80		16.50		0.00		0.00		112.30
1947-48	0.00		0.00		0.00		0.00		11.00		20.50		35.00		20.60		7.70		8.80		0.00		0.00		103.60
1948-49	0.00		0.00		0.00		2.50		14.10		17.50		30.20		22.20		7.30		8.50		0.20		0.00		102.50
1949-50	0.00		0.00		0.00		1.40		30.50		10.80		51.00		15.00		19.50		22.60		1.30		0.00		152.10
1950-51	0.00		0.00		0.00		0.50		24.40		38.80		25.80		14.80		29.30		18.50		0.00		0.00		152.10
1951-52	0.00		0.00		0.00		10.70		24.40		22.20		18.10		7.80		18.80		16.80		8.30		0.00		127.10
1952-53	0.00		0.00		0.00		0.90		15.10		18.80		29.70		32.80		9.40		19.60		0.50		0.00		126.80
1953-54	0.00		0.00		0.00		0.00		12.70		15.10		19.00		5.50		18.60		0.00	b	17.00		0.00		87.90
1954-55	0.00		0.00		0.00		9.00		11.00	b	14.00		27.70		6.80		37.40		4.70		0.00		0.00		110.60
1955-56	0.00		0.00		0.00		0.00		46.40		30.80		11.50		5.10		11.80		8.30		1.00		0.00		114.90
1956-57	0.00		0.00		0.00		0.00		51.60		19.80		15.10		25.50		16.90		15.60		0.00		0.00		144.50
1957-58	0.00		0.00		0.00		0.00		40.60		20.00		26.80		36.40		8.30		0.00		0.00		0.00		132.10
1958-59	0.00		0.00		0.00		0.00		10.50		25.70		13.80		7.50		24.60		1.60		0.00		0.00		83.70
1959-60	0.00		0.00		0.00		0.00		52.00		19.50		22.80		34.90		8.10		11.50		5.30		0.00		154.10
1960-61	0.00		0.00		0.00		0.00		22.90		27.00		26.90		19.90		21.80		9.00		1.10		0.00	a	128.60
1961-62	0.00		0.00		0.00		2.30		9.20		25.20		21.20		31.60		12.90		6.30		0.00		0.00		108.70
1962-63	0.00		0.00		0.00		4.80		12.90		49.70		15.30		17.50		26.60		1.50		1.70		0.00		130.00
1963-64	0.00		0.00		0.00		0.00		18.00		51.80		24.70		42.50		42.70		13.30		0.00		0.00		193.00
1964-65	0.00		0.00		0.00		8.60		30.20		31.80		21.60		25.90		39.20		9.60		3.70		0.00		170.60
1965-66	0.00		0.00		0.30		0.40		45.30		26.00		21.30		13.20		35.00		32.60		0.60		0.00		174.70
1966-67	0.00		0.00		0.00		6.10		28.00		57.40		85.90		33.80		24.00		9.30		5.50		0.00		250.00
1967-68	0.00		0.00		0.00		26.70		39.30		5.70		16.00		27.70		12.70		15.50		0.00		0.00		143.60
1968-69	0.00		0.00		0.00		2.00		32.30		89.00		49.50		19.50		11.30		4.60		0.00		0.00		208.20
1969-70	0.00		0.00		0.00		12.30		18.70		47.50		32.70		17.90		7.00		8.30		2.00		0.00		146.40
1970-71	0.00		0.00		0.00		0.40		35.10		48.70		71.60		49.80		31.80		15.50		2.10		0.00		255.00
1971-72	0.00		0.00		0.00		0.00		21.90		23.10		40.50		53.60		40.40		14.20		0.00		0.00		193.70
1972-73	0.00		0.00		0.00		1.20		15.80		42.80		26.90		23.50		5.50		5.60		9.00		0.00		130.30
1973-74	0.00		0.00		0.00		0.00		11.50		39.00		12.00		16.50		9.00		15.50		0.00		0.00		103.50
1974-75	0.00		0.00		0.00		3.00		42.00		31.50		51.50		19.50		38.00		2.00		0.00		0.00		187.50
1975-76	0.00		0.00		0.00		0.00		42.00		37.00		81.50		29.00		50.00		0.00		6.50		0.00		246.00
1976-77	0.00		0.00		0.00		10.10		35.30		52.80		42.30		26.50		13.50		13.50		0.00		0.00		194.00
1977-78	0.00		0.00		0.00		6.50		20.10		45.40		52.70		23.30		15.40		5.10		0.00		0.00		168.50
1978-79	0.00		0.00		0.00		0.00		26.50		37.00		35.80		22.20		26.10		3.10		2.50		0.00		153.20
1979-80	0.00		0.00		0.00		12.10		30.90		21.10		45.20		23.50		8.80		8.40		0.00		0.00		150.00
1980-81	0.00		0.00		0.00		4.70		8.00		40.00		47.00		38.60		14.00		5.80		0.00		0.00		158.10
1981-82	0.00		0.00		0.00		10.50		7.70		56.60		69.70		9.60		22.60		15.90		0.00		0.00		192.60
1982-83	0.00		0.00		0.00		14.00		40.00		34.60		36.60		25.90		23.40		21.70		0.00		0.00		196.20
1983-84	0.00		0.00		0.00		1.20		27.60		51.20		20.90		20.00		32.00		8.00		9.00		0.00		169.90
1984-85	0.00		0.00		0.00		1.00		2.50		33.00		60.00		30.20		26.50		13.50		0.00		0.00		166.70
1985-86	0.00		0.00		0.00		0.00		26.90		61.20		41.30		17.20		21.70		2.30		0.00		0.00		170.60
1986-87	0.00		0.00		0.00		6.50		18.10		17.40		34.40		6.20		14.70		10.00		0.00		0.00		107.30
1987-88	0.00		0.00		0.00		22.20		7.20		31.40		51.40		24.20		27.30		2.00		0.00		0.00		165.70
1988-89	0.00		0.00		0.00		9.10		32.50		53.30		38.10		30.30		25.60		23.90		4.00		0.00		216.80
1989-90	0.00		0.00		1.00		2.00		78.20		76.30		30.60		34.20		10.40		4.20		0.40		0.00		237.30
1990-91	0.00		0.00		0.00		3.00		5.50		26.90		38.10	a	29.00	a	11.90		8.50		0.30		0.00		123.20
1991-92	0.00		0.00		0.00		2.60		56.90		27.30		41.00	a	29.70		13.50		14.00		0.00		0.00		185.00
1992-93	0.00		0.00		0.00		9.30		35.30		35.20	b	41.10		9.50		19.90		7.30		0.00		0.00		157.60
1993-94	0.00		0.00		0.00		13.50		24.10		27.60		37.30		7.20		24.90		17.20		0.00		0.00		151.80
1994-95	0.00		0.00		0.00		4.00		21.70		19.00		28.20		34.60		24.40		18.10		0.00		0.00		150.00
1995-96	0.00		0.00		6.90		13.30		60.70		52.00	a	63.00		30.80	a	37.20		19.20		8.80		0.00		291.90
1996-97	0.00		0.00		0.00		1.40		46.70	b	85.40		100.70	a	14.30		29.00		5.20		19.10		0.00		301.80
1997-98	0.00		0.00		0.00		3.20		29.00	b	43.30		35.30		2.80		27.30		0.60		0.00		0.00		141.50
1998-99	0.00		0.00		0.00		0.50		9.00		30.70		59.60	a	30.60		13.70		0.00		0.00		0.00		144.10
1999-00	0.00		0.00		0.00		0.50		12.00		29.50		38.30		27.30		37.10		12.30		0.00		0.00		157.00
2000-01	0.00		0.00		0.00		7.00		37.50		85.10		66.40		54.30		40.30		7.50		0.00		0.00		298.10
2001-02	0.00		0.00		0.00		13.80		16.20		68.70	a	29.90		53.20		60.80		17.50		1.60		0.00		261.70
2002-03	0.00		0.00		0.00		9.70		28.30		19.80	a	47.30		32.50		48.70		13.90		0.00		0.00		200.20
2003-04	0.00		0.00		0.00		9.30		26.30		43.10		51.80		33.10		27.00		5.40		0.00		0.00		196.00
2004-05	0.00		0.00		0.00		4.00		12.00		55.40		33.80		26.30		26.50		8.80		4.00		0.00		170.80
2005-06	0.00		0.00		0.00		-----	z	36.00		57.10	a	28.90	a	51.00		29.50		0.00		7.00		0.00		209.50	a
2006-07	0.00		0.00		0.00		24.70		3.60		48.20	a	50.70		16.50	a	28.00	a	30.60		0.00		0.00		202.30
2007-08	0.00		0.00		0.00		0.00		16.40		53.00		38.80		20.40		18.00	a	23.00		0.00		0.00		169.60
2008-09	0.00		0.00		0.00		1.00		25.20		52.50		49.60		37.50		7.80		15.30		0.00		0.00		188.90
2009-10	0.00		0.00		0.00		5.60		2.90		60.60		59.90	a	37.40		0.20		0.00		4.00		0.00		170.60
2010-11	0.00		0.00		0.00		0.00		12.30	c	56.60		60.30		11.30	a	8.50	c	20.00	k	-----	z	0.00	y	149.00	c
2011-12	-----	z	-----	z	-----	z	-----	z	15.50	l	22.40	c	48.10		18.80	a	14.90	m	-----	z	-----	z	0.00	x	89.30	i
2012-13	-----	z	-----	z	-----	z	-----	z	21.40	n	18.50	b	41.10		49.90	a	31.00		44.90	d	15.10	x	-----	z	185.40	g
2013-14	-----	z	-----	z	-----	z	5.00	y	27.80	p	31.00	b	37.30		30.20		26.40	b	34.70	l	-----	z	-----	z	124.90	h
2014-15	-----	z	-----	z	-----	z	2.00	y	89.20	c	27.20		21.60		33.30	a	11.80	j	13.00	x	-----	z	-----	z	171.30	h
2015-16	-----	z	-----	z	-----	z	-----	z	12.40		24.40		47.20		61.70		10.50		30.70	j	0.60		0.00		156.80	e
2016-17	-----	z	-----	z	-----	z	0.00	a	16.90	u	44.60		23.30	b	24.50		5.30		5.60	r	1.00		0.00		98.70	e
2017-18	-----	z	0.00		-----	z	13.10	x	14.20	a	46.20		40.50		18.90		10.20		29.70		0.00		0.00		159.70	c
2018-19	0.00		0.00	a	0.00		0.50		40.50	a	20.80		36.50		61.90		18.80		2.60		1.20		0.00		182.80
2019-20	0.00		0.00		0.00		0.00		35.90		61.00		33.40		11.00		17.30		10.70		0.00		0.00		169.30
2020-21	0.00		0.00		0.00		9.70		8.50		25.10		12.30		14.70		11.80		2.30		0.00		0.00		84.40
2021-22	0.00		0.00		0.00		0.00		21.60		38.10		38.40		46.60		18.30		19.30		0.00		0.00		182.30
2022-23	0.00		0.00		0.00		11.60		46.70		51.50		29.70		33.90		42.20		27.80		10.90		0.00		254.30
2023-24	0.00		0.00		0.00		1.80		5.50		7.70		19.00	a	6.60		21.60		4.10	a	0.00	s	-----	z	66.30	b
Period of Record Statistics
MEAN	0.00		0.00		0.14		4.82		22.90		32.79		32.41		24.06		20.46		10.82		1.55		0.00		149.80
S.D.	0.00		0.00		0.77		5.77		15.71		17.67		17.62		13.32		12.67		8.87		3.29		0.00		51.76
SKEW	0.00		0.00		6.98		1.40		1.27		0.85		1.05		0.72		0.74		1.31		3.01		0.00		0.79
MAX	0.00		0.00		6.90		26.70		89.20		89.00		100.70		61.90		60.80		44.90		19.10		0.00		301.80
MIN	0.00		0.00		0.00		0.00		2.50		3.00		5.90		2.80		0.00		0.00		0.00		0.00		54.90
YRS	115		117		116		113		119		123		123		123		120		117		114		117		106