FORT LEWIS, CO

Total of Snowfall (Inches)

(053016)

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
1914-15	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	20.80		36.00	r	4.00		-----	z	-----	z	0.00		24.80	i
1915-16	-----	z	-----	z	0.00		0.00		4.50		26.00		52.50		9.00		27.50		4.00		0.80		0.00		124.30	b
1916-17	-----	z	0.00		0.00		-----	z	-----	z	15.50		10.00	a	9.50		0.00		6.50		6.00		0.00		47.50	c
1917-18	-----	z	-----	z	-----	z	-----	z	0.00		0.00		19.30	t	10.00		1.00		2.00		0.00		-----	z	13.00	f
1918-19	0.00		-----	z	-----	z	-----	z	21.50		28.80		1.50		46.50		21.80	x	-----	z	-----	z	-----	z	98.30	g
1919-20	-----	z	-----	z	-----	z	0.00		0.00	y	13.50		25.80		-----	z	-----	z	-----	z	-----	z	0.00		39.30	h
1920-21	0.00		0.00		-----	z	12.00	x	4.00	w	9.00		0.00	b	0.00		4.00	y	-----	z	-----	z	-----	z	9.00	g
1921-22	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00		0.00	k
1922-23	0.00		0.00		0.00		-----	z	-----	z	-----	z	0.00	d	-----	z	-----	z	0.00		0.00		-----	z	0.00	f
1923-24	-----	z	0.00		0.00		0.00	y	0.20		-----	z	0.00	b	-----	z	55.50	i	8.00		0.00		0.00		8.20	e
1924-25	-----	z	0.00		0.00		0.00		0.00		-----	z	2.50		-----	z	12.50		0.40		-----	z	-----	z	15.40	e
1925-26	0.00		0.00		0.00		2.00		0.00		6.50		10.00		4.80		-----	z	-----	z	0.00		0.00		23.30	b
1926-27	-----	z	-----	z	-----	z	0.00		8.00		11.00	a	2.00		33.00		17.50		2.00		2.00		0.00		75.50	c
1927-28	-----	z	0.00		-----	z	0.00		3.00		18.00		6.00		17.00		8.50		-----	z	-----	z	0.00		52.50	d
1928-29	0.00		0.00		-----	z	1.00		16.00		13.00		19.00		19.00		3.00		-----	z	-----	z	0.00		71.00	c
1929-30	-----	z	0.00		0.00		2.00		3.00		2.80		27.00		2.00		7.00		1.00		1.00		0.00		45.80	a
1930-31	0.00		0.00		0.00		0.00		12.00		0.00		2.00		21.00		9.00		0.50		0.00		0.00		44.50
1931-32	0.00		0.00		0.00		0.00		38.70		-----	z	13.20	w	-----	z	11.00		19.40		1.00		0.00		70.10	c
1932-33	0.00		0.00		0.00		0.00		0.00		26.00		22.00		16.00		5.00		18.00		1.50		0.00		88.50
1933-34	0.00		0.00		0.00		0.00		2.10		13.50		1.00		23.50		0.00		4.00		1.00		0.00		45.10
1934-35	0.00		0.00		0.00		0.00		9.00		9.20		22.50		21.20		25.00		6.00		11.00		0.00		103.90
1935-36	0.00		0.00		0.00		13.00		12.00		11.00		-----	z	48.00		14.50		0.00		2.00		0.00		100.50	a
1936-37	0.00		0.00		0.00		2.00		3.00		21.00		22.70		22.20		30.00		1.50		0.00		0.00		102.40
1937-38	0.00		0.00		0.00		0.00		0.00		17.90		16.70		17.50		28.00		3.00		0.00		0.00		83.10
1938-39	0.00		0.00		0.00		0.00		7.60		10.20		25.30	a	29.30		18.00		0.00		0.00		0.00		90.40
1939-40	0.00		0.00		0.00		0.00		0.00		8.50		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	8.50	f
1940-41	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1941-42	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1942-43	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1943-44	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1944-45	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1945-46	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1946-47	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1947-48	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1948-49	-----	z	0.00	a	0.00		7.50		0.50		13.50	a	53.10		20.50		9.20		15.00		0.50		0.00		119.80	a
1949-50	0.00		0.00	a	0.00		8.00		8.00		16.50		18.50		8.00		7.20		0.50		3.00		0.00		69.70
1950-51	0.00		0.00		0.00		0.00		2.00		5.20		29.50		12.50		8.50		8.00		1.00		0.00	a	66.70
1951-52	0.00		0.00		0.00		0.00	c	0.00	c	12.90	d	24.00	d	9.00	b	15.00		10.00		0.00		0.00		70.90
1952-53	0.00		0.00		0.00		0.00		23.00		19.00		29.00		7.00		17.70		12.50		0.00		0.00		108.20
1953-54	0.00		0.00		0.00		0.00	b	3.00		16.00	a	21.00		1.00	d	-----	z	0.00		6.00		0.00		47.00	a
1954-55	0.00		0.00		0.00		0.00		0.50		12.00		26.50		37.00		0.00		0.00		0.00		0.00		76.00
1955-56	0.00		0.00		0.00		0.00		18.00		26.00		35.00		8.50		9.00		0.00	c	0.00		0.00		96.50
1956-57	0.00		0.00		0.00		0.00	b	6.00		6.50		63.50		7.50		6.00	b	33.00		2.00		-----	z	124.50	a
1957-58	0.00		0.00		0.00		5.00		7.00	a	11.00		12.20		17.00		25.00	a	21.00		0.00		0.00		98.20
1958-59	0.00		0.00		0.00		6.00		9.00		3.20		3.30		20.50		3.00		1.00		0.00	c	0.00		46.00
1959-60	0.00		0.00		1.00		6.00		0.00	a	0.00	e	9.00		17.00	b	0.00	e	6.80		0.00		0.00		39.80
1960-61	0.00		0.00		0.00		0.00		2.00		0.00	f	12.30		10.40		28.30		0.70		1.90		0.00		55.60	a
1961-62	0.00		0.00		0.00		1.00		5.50		16.60	a	13.90		25.60		12.10		0.00		0.40		0.00		75.10
1962-63	0.00		0.00		0.00		0.00		5.40		7.10		23.40		13.30		9.50		1.50		0.00		0.00		60.20
1963-64	0.00		0.00		0.00		0.00		6.00		7.40		8.00		9.80		28.30	a	16.20		0.20		0.00		75.90
1964-65	0.00		0.00		0.00		0.00		0.00	d	0.00	h	8.00	b	16.00		12.50		-----	z	0.00		0.00		36.50	b
1965-66	0.00		0.00		0.00		0.00	a	1.80		41.00		14.00		11.00		8.00		0.00	c	0.00		0.00		75.80
1966-67	0.00		0.00		0.00		0.00		0.00	a	10.00	a	6.00		0.00		1.00		0.00		0.00		0.00		17.00
1967-68	0.00		0.00		0.00		0.00		2.40		50.30	a	14.50		12.00		8.00		1.00		0.00		0.00		88.20
1968-69	0.00		0.00		0.00		0.00		6.60		26.50		24.50		24.00	e	17.50	b	0.00		0.00	a	0.00		99.10
1969-70	0.00		0.00		0.00		0.00		6.00		-----	z	-----	z	0.00		-----	z	0.00		0.00		0.00		6.00	c
1970-71	0.00		0.00		0.00		0.00		8.50		13.30		6.60		7.00		0.00		1.00		0.00		0.00		36.40
1971-72	0.00		0.00		0.00		0.00	g	26.10		8.80		0.00		0.00		0.10		0.00	a	0.00		0.00		35.00	a
1972-73	0.00		0.00		0.00		7.00		15.00		43.10		25.00		14.00		-----	z	-----	z	-----	z	0.00		104.10	c
1973-74	0.00		0.00		0.00	b	0.00		-----	z	-----	z	5.00	f	-----	z	-----	z	6.50		0.00		0.00		6.50	e
1974-75	0.00		0.00		0.00		0.00		0.00		4.00		-----	z	-----	z	-----	z	-----	z	-----	z	0.00		4.00	e
1975-76	0.00		0.00		0.00		0.00	b	-----	z	22.00		0.40		-----	z	6.00		2.40		0.00	a	0.00		30.80	b
1976-77	0.00		0.00		0.00		0.00		0.00		0.00	a	-----	z	0.10		0.00	e	0.00	a	0.00		0.00		0.10	a
1977-78	0.00		0.00		0.00		0.00		0.00	a	8.00		25.70	c	-----	z	-----	z	1.60		0.50	b	0.00		35.80	b
1978-79	0.00		0.00		0.00		0.00		3.00	b	12.70	f	10.80	l	-----	z	-----	z	3.00		0.00		0.00		6.00	d
1979-80	0.00		0.00		0.00		0.00	b	7.90		18.90		40.70	c	26.10	a	12.50	b	6.10		0.00		0.00		112.20
1980-81	0.00		0.00		0.00		1.70		7.90		0.70	a	2.60		4.30		25.00		1.40		0.00		0.00		43.60
1981-82	0.00		0.00		0.00		0.00		8.90		-----	z	8.50	g	14.00	b	7.50	c	0.00	a	0.00		0.00		30.40	b
1982-83	-----	z	-----	z	0.00		0.00		15.50		17.60		18.90		22.90		22.70	b	13.30		0.00		0.00		110.90	b
1983-84	0.00		0.00		0.00		0.00		25.00		36.60	a	12.80		11.20		13.00		13.00		0.00		0.00		111.60
1984-85	0.00		0.00		0.00		11.00		10.50		23.50	f	13.00		7.00	a	19.00		2.00		0.00		0.00		62.50	a
1985-86	0.00		0.00		0.00		0.00		36.00		4.40		1.50		20.50		10.00		2.00		0.00		0.00		74.40
1986-87	0.00		0.00		0.00		4.00		9.00	a	13.00		32.00		49.50		21.50		5.00		0.00		0.00		134.00
1987-88	0.00		0.00		0.00		0.00	a	3.00		31.00	a	34.50		9.50		3.00		1.00		0.00		0.00		82.00
1988-89	0.00		0.00		0.00		0.00		9.00	b	26.00		20.90		13.00		6.00		0.00		0.00		0.00		74.90
1989-90	0.00		0.00		0.00		0.00		0.00		0.00		29.30		19.00	a	6.50		0.00		0.00		0.00		54.80
1990-91	0.00		0.00		0.00		0.00	c	11.50	f	28.50		15.00		5.40		27.80		0.00		0.00		0.00	b	76.70	a
1991-92	0.00		0.00		0.00		5.90	b	27.70		13.90		14.20	a	27.50		11.00	b	5.50		0.00		0.00		105.70
1992-93	0.00		0.00		0.00		0.00		5.00	b	40.00		64.50	a	42.50		15.00		0.00	a	0.50		0.00		167.50
1993-94	0.00		0.00		0.00		0.70		6.20		11.10		9.40		26.10	a	1.50		9.00	d	0.00		0.00		64.00
1994-95	0.00		0.00		0.00		9.50		5.50	a	9.10	a	32.90		5.40		16.60		10.40		5.50		0.00		94.90
1995-96	0.00		0.00		0.00		0.00		2.00		8.90		21.00		7.90		8.00		0.00		0.00		0.00		47.80
1996-97	0.00		0.00		0.00		3.00	a	23.80		18.50		66.20		28.70		0.00		15.70		0.00		0.00		155.90
1997-98	0.00		0.00		0.00		0.00		6.20		28.80	a	17.70		23.10	a	13.00	a	2.70		0.00		0.00		91.50
1998-99	0.00		0.00		0.00		2.00		18.50		1.60	a	11.70		11.30	a	1.20	b	15.50	b	3.50		0.00		65.30
1999-00	0.00	a	0.00		0.00	a	0.00		1.00	a	1.60		16.90	a	22.90		55.00	b	4.20	a	0.00	e	0.00		101.60
2000-01	0.00		0.00		0.00		0.50	b	5.10	d	5.60	a	33.10	b	20.40	c	15.40		4.00	a	0.00		0.00		84.10
2001-02	0.00		0.00		0.00		0.00		14.30		9.70	a	2.70	a	3.70	a	7.80	a	0.50		0.00		0.00	a	38.70
2002-03	0.00		0.00		0.00	b	4.20	b	2.00	d	21.50		4.70		26.50	a	9.40	a	1.00		0.00		0.00		69.30
2003-04	0.00		0.00		0.00		0.00		6.00	a	8.50		27.60	a	29.30		3.00	a	23.80		0.00	a	0.00		98.20
2004-05	0.00		0.00		0.00		0.00		17.00		5.00		36.00	b	11.00		5.00	a	2.00		0.00		0.00		76.00
2005-06	0.00		0.00		0.00		0.00	a	0.00	a	4.00		13.00		0.00		31.00		3.00	a	0.00		0.00		51.00
2006-07	0.00		0.00		1.00		0.00		5.00		20.00		13.00		7.00		3.00		7.00		0.00		0.00		56.00
2007-08	0.00		0.00		0.00		0.00		4.00		14.00		38.00		25.00		0.00		4.00		4.00		0.00		89.00
2008-09	0.00		0.00		0.00		0.00		17.00		31.00		5.00		12.00		4.00		8.00		0.00	i	-----	z	77.00	b
2009-10	-----	z	0.00		0.00		6.00		6.00		38.00		31.00		23.00		10.00		6.00		-----	z	0.00		120.00	b
2010-11	0.00		0.00		0.00		0.00		6.00		10.70		13.10		2.50	b	4.80	f	0.00	i	4.70	f	0.00	b	32.30	c
2011-12	0.00	l	0.00	f	0.00	k	0.00	b	0.00	m	6.00	r	12.10	b	21.40	g	2.80	j	0.00	x	-----	z	-----	z	12.10	j
2012-13	-----	z	-----	z	-----	z	-----	z	-----	z	25.00	n	7.30		19.50		5.50		0.00	s	0.00		0.00		32.30	g
2013-14	0.00		0.00		0.50		10.00		10.00	a	10.00	a	0.00		8.50	a	0.00		7.00		0.00	a	0.00		46.00
2014-15	0.00		0.00		0.00		0.00		0.50		15.20		25.00	b	26.00	a	2.00		0.00		0.00		0.00		68.70
2015-16	0.00		0.00		0.00		0.00		10.00	a	42.00		28.00	b	11.00		4.00		0.00		0.00		0.00		95.00
2016-17	0.00		0.00		0.00		0.00		6.00		17.00		30.00	a	16.00		5.00	a	0.00		0.00		0.00		74.00
2017-18	0.00		0.00		0.00		0.00		0.00		0.00		1.00		9.50		4.00		0.00		0.00		0.00		14.50
2018-19	0.00		0.00		0.00		0.00		5.00		21.00	b	38.00	b	70.00	b	25.00		8.00		0.00		0.00		167.00
2019-20	0.00		0.00		0.00		0.00		4.10		26.00		8.50		0.00		15.00		0.00		0.00		0.00		53.60
2020-21	0.00		0.00		0.00		0.00		4.00		11.00		26.50	c	22.00		12.50	a	0.00		0.00		0.00		76.00
2021-22	0.00		0.00		0.00		0.00		0.00		66.00	a	1.00		17.00	b	13.50	b	0.00		0.00		0.00		97.50
2022-23	0.00		0.00		0.00		0.00		5.00		20.00		48.00	e	26.00	b	35.60		3.00	a	0.00		0.00		137.60
2023-24	0.00		0.00		0.00		0.00		6.00		12.00		24.80		21.00	b	6.00	c	1.00	i	-----	z	-----	z	69.80	c
Period of Record Statistics
MEAN	0.00		0.00		0.03		1.29		7.34		15.86		19.11		16.62		11.36		4.68		0.64		0.00		80.19
S.D.	0.00		0.00		0.16		2.83		8.10		12.46		15.21		12.46		10.18		6.42		1.71		0.00		32.12
SKEW	0.00		0.00		5.75		2.36		1.74		1.34		1.01		1.37		1.39		1.95		3.79		0.00		0.61
MAX	0.00		0.00		1.00		13.00		38.70		66.00		66.20		70.00		55.00		33.00		11.00		0.00		167.50
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		14.50
YRS	86		92		91		92		91		87		91		88		85		86		86		92		59