TWIN LAKES RESERVOIR, CO

Total of Snowfall (Inches)

(058501)

File last updated on April 18, 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
1949-50	-----	z	0.00	h	0.00		8.50		0.20		0.60		12.40	a	15.00		8.00		16.00		0.00		0.00	a	60.70	b
1950-51	0.00		0.00		0.00		0.00		0.00		21.00		0.00	c	2.00		0.00		0.00		0.00		0.00		23.00
1951-52	0.00		0.00		0.00		0.00	b	0.00		-----	z	-----	z	0.00	b	-----	z	0.00		0.00		0.00		0.00	c
1952-53	0.00		0.00		0.00		0.00		0.00	u	0.00	f	0.20		0.20	f	0.00	e	0.00	h	0.00	c	0.00		0.20	d
1953-54	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1954-55	-----	z	-----	z	-----	z	-----	z	0.00	w	7.50		6.00		23.80		23.00		1.00		0.00		0.00		61.30	e
1955-56	0.00		0.00		-----	z	0.00		12.00		0.00	c	21.00		-----	z	9.50		-----	z	0.00		-----	z	42.50	d
1956-57	-----	z	-----	z	-----	z	10.30		-----	z	9.50		22.70		0.00	c	0.00	b	12.00		0.00		0.00		54.50	d
1957-58	0.00		0.00		0.00		0.00		-----	z	3.00	g	0.00	c	0.00		7.50	e	21.30		3.00		-----	z	31.80	c
1958-59	-----	z	-----	z	0.00		0.00	d	0.00	e	0.00	f	0.00	f	0.00	j	0.00	i	0.00	i	0.00	m	0.00	g	0.00	i
1959-60	0.00		0.00		0.00	d	0.00	e	0.00	a	0.00	e	9.00		0.00	k	0.00	g	-----	z	10.00		0.00		19.00	c
1960-61	0.00		0.00		0.00		2.00		0.50	c	18.00		0.00	a	8.00		0.00	k	12.00		2.00		0.00		42.50	a
1961-62	0.00		0.00		-----	z	-----	z	-----	z	0.00	f	-----	z	26.50		5.00		0.00	g	0.00		0.00	g	31.50	g
1962-63	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	e	0.00	f	0.00	d	0.00		0.00		0.00	h
1963-64	0.00		0.00		0.00		4.00		0.00	d	0.00	f	0.90		-----	z	0.00	e	0.00	i	0.00	a	0.00		4.90	c
1964-65	0.00		0.00		0.00		2.00		0.00	i	45.00	c	7.00	e	0.00	g	40.00	g	4.00		0.00	a	0.00		58.00	c
1965-66	0.00		0.00		0.00		0.00	b	0.00	c	21.00		0.00	b	0.00	d	4.00	a	0.00	i	0.00	a	0.00		25.00	a
1966-67	0.00		0.00		0.00		0.00	b	0.00	d	0.00	f	4.00	a	10.50		0.00	d	-----	z	2.00		0.00		16.50	b
1967-68	0.00		0.00		0.00		0.00		4.00	b	25.20	l	2.00	a	17.00	d	6.00		3.00		0.00		0.00		32.00	a
1968-69	0.00		0.00		0.00		1.00		0.00	g	0.00	j	0.00	j	7.00		0.00	e	1.00		0.00	c	0.00		9.00	c
1969-70	0.00		0.00		0.00		2.00	d	0.00	b	-----	z	0.50		0.00		-----	z	-----	z	0.00		0.00		2.50	c
1970-71	0.00		0.00		0.00		6.00		-----	z	-----	z	-----	z	-----	z	0.00	a	0.00	a	0.00		0.00		6.00	d
1971-72	0.00		0.00		0.00		0.00	e	-----	z	-----	z	-----	z	3.00		-----	z	0.00	c	0.00		0.00		3.00	d
1972-73	0.00		0.00		0.00		0.00	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00		0.00	g
1973-74	0.00		0.00		-----	z	0.00	a	0.00		-----	z	-----	z	1.00	a	-----	z	-----	z	0.00		0.00		1.00	e
1974-75	0.00		0.00		0.00		0.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	h
1975-76	0.00		0.00		0.00		0.00	b	-----	z	-----	z	0.00	b	-----	z	-----	z	-----	z	0.00	a	0.00	a	0.00	e
1976-77	0.00		0.00		0.00		0.20		-----	z	0.00		0.00		-----	z	0.00	b	1.00		0.00		0.00		1.20	b
1977-78	0.00		0.00		0.00		0.00		0.00	c	-----	z	-----	z	0.00	c	1.50	a	11.00		9.00		0.00		21.50	b
1978-79	0.00		0.00		1.50		5.00		11.00		11.50	a	15.50		3.50		15.50		1.50		23.00		10.00		98.00
1979-80	0.00		0.00		0.00		4.00		24.00	a	2.00		32.00		18.00		12.00		18.00		8.00		0.00		118.00
1980-81	0.00		0.00		0.00		5.50		4.50		3.00		4.00		2.00		16.50		5.50		3.50		0.00		44.50
1981-82	0.00		0.00		0.00		0.50		3.00		16.50		18.50	a	1.00		8.00	b	5.50	b	-----	z	0.00		53.00	a
1982-83	0.00		0.00		2.00		1.00		3.00	a	3.00		2.50		4.00		13.00	b	14.00		18.50	c	0.00		61.00
1983-84	0.00		0.00		0.00		4.50		23.00		29.50	l	3.00	a	7.50	g	14.50	f	12.00	a	10.00	a	10.00		62.50	c
1984-85	0.00		0.00		0.00		6.50	b	5.00		9.00	d	8.50	d	6.00		23.50	a	13.00		3.00		0.00		74.50
1985-86	0.00		0.00		11.00		3.00		10.00		7.00		3.00	a	16.50		5.00	a	9.50		0.00		0.00		65.00
1986-87	0.00		0.00		0.00		3.00		13.00		8.50	b	6.50	d	8.50	c	14.50	h	4.50	b	0.00		0.00		44.00	a
1987-88	0.00		0.00		0.00		0.00		5.50	e	5.50	g	3.00	e	3.00	a	5.50	b	2.50		0.00		0.00		19.50	a
1988-89	0.00		0.00		0.00		0.00		10.00	g	8.50	v	7.00	b	19.00	i	5.50	d	8.50	y	10.50		0.00		23.00	d
1989-90	0.00		0.00		0.00		4.50		7.50		6.50	d	4.50	c	3.00		7.00		27.50	e	2.50		0.00		63.00
1990-91	0.00		0.00		0.00	b	5.00		5.50	c	5.00	d	1.50	a	3.00	b	15.00	c	7.50	f	0.00		0.00		35.00	a
1991-92	0.00		0.00		0.00		8.00	b	6.00	i	3.00		0.50		3.00	b	10.50	b	3.50		0.00		0.00		28.50	a
1992-93	0.00		0.00		0.00		0.00		12.50		1.00	b	3.80		11.70	a	12.50	a	5.50		0.00		0.00		47.00
1993-94	0.00		0.00		0.00		0.50		8.50		1.20	b	2.20	a	9.20		4.00		12.40	b	0.00	a	0.00		38.00
1994-95	0.00		0.00		0.00		0.30	b	8.00		3.60		2.90	d	21.80	a	27.40	c	18.20	f	17.10	a	0.00		81.10	a
1995-96	0.00		0.00		0.00		1.00		7.80	e	4.50		20.30	c	24.80		9.00	d	11.10	e	1.00		0.00		79.50
1996-97	0.00		0.00		1.40		8.10		4.00		14.60	h	9.20	a	6.60	b	4.60		13.80		2.50		0.00		50.20	a
1997-98	0.00		0.00		0.00		5.00	c	11.50		1.10	a	3.10		6.00		14.10		17.30		0.00		-----	z	58.10	a
1998-99	-----	z	0.00		0.00	v	1.90		5.50	b	1.10		9.00	c	2.50		5.00		11.70	c	3.00		0.00		39.70	b
1999-00	0.00		0.00		0.00		0.00		1.90	b	3.10	d	12.10		10.60	e	13.30	f	3.20	a	1.40	a	0.00	a	32.30	a
2000-01	0.00		0.00		0.00	b	0.30	a	8.30		7.40		0.00		10.30	d	10.70		12.20		0.00	b	0.00		49.20
2001-02	0.00		0.00		0.00	a	0.00		3.20		0.00	c	1.40	a	0.00	d	0.00	d	0.00	b	0.00		0.00		4.60
2002-03	0.00		0.00		0.00		5.00		11.40	c	1.00	a	0.00		2.80		18.40	c	10.50		1.70	b	0.00		50.80
2003-04	0.00		0.00		0.00		0.00		0.00	b	0.00	d	3.50	c	3.20	a	1.50		0.00	a	0.00		0.00		8.20
2004-05	0.00		0.00		0.00		8.50	b	8.60	e	0.50		12.00	d	1.90		0.70	c	0.00		0.00		0.00		32.20
2005-06	0.00		0.00		0.00		3.00		0.00	f	7.10		3.20	n	0.00		0.00	a	0.00		0.00		0.00		10.10	b
2006-07	0.00		0.00		-----	z	0.00		9.20		3.60		2.60		3.40	m	0.40		4.90		0.00		0.00		20.70	b
2007-08	0.00		0.00		0.00		0.00		0.00		20.00		13.10	b	14.00		13.00	c	-----	z	0.00		0.00		60.10	a
2008-09	0.00		0.00		0.00		0.00		1.00		13.10	a	1.10	d	2.00		2.00		3.00		0.00		0.00		22.20
2009-10	0.00		0.00		0.00		2.20		0.50	a	11.50		1.10	d	1.80	a	9.60	a	2.30		1.20		0.00		30.20
2010-11	0.00		0.00		0.00		3.20	j	2.50		8.70		5.00	n	4.90	d	4.20	l	3.20	t	3.10	t	0.00	y	16.10	f
2011-12	-----	z	-----	z	-----	z	1.00	t	0.00	j	4.20	s	5.80	t	9.60	i	0.90	q	-----	z	0.00	w	0.00	x	0.00	l
2012-13	-----	z	-----	z	0.00	r	0.00		-----	z	0.90	j	-----	z	6.20	f	7.90	o	12.30	u	15.00		0.00		15.00	i
2013-14	0.00	d	0.00	g	0.00		0.00		0.00	p	2.00	a	8.00	b	9.90	d	1.70	a	6.50	c	1.00		0.00		29.10	b
2014-15	0.00	c	0.00	m	0.00	h	0.00	d	3.00	k	10.00	f	0.00	g	7.00	g	1.00	b	2.00		6.50	b	0.00		9.50	f
2015-16	0.00	g	0.00	n	0.00		1.00	e	2.00	h	3.00	i	1.00	l	1.50	f	3.00	e	4.00	i	0.00	g	0.00		4.00	h
2016-17	0.00	c	0.00	g	0.00	a	2.00	g	0.00	e	4.00	s	8.00	n	2.80	j	0.00	a	2.00	h	1.20		0.00		1.20	f
2017-18	0.00		0.00	e	0.00		1.00	g	0.00	h	2.00	i	0.00	o	1.20	s	2.00	h	0.00	p	0.00		0.00		0.00	g
2018-19	0.00	e	0.00	j	0.00	f	2.00		0.00	j	1.50		0.00	k	4.20	i	7.00	n	3.00	g	4.50		0.00		8.00	g
2019-20	0.00		0.00		0.00		13.00		3.40	c	8.20	q	3.70	g	4.10	l	10.80		3.90		0.00		0.70		31.80	c
2020-21	0.00		0.00		0.00	d	3.00		9.10	k	10.10	m	1.10	c	9.10	d	8.50	g	2.60	d	0.70	b	0.00		16.50	c
2021-22	0.00		0.00		0.00		0.00	u	1.20	g	2.00	j	7.00	b	12.00		6.00		3.00		0.00		0.00		28.00	c
2022-23	0.00		0.00		0.00		0.00		5.00		8.00	s	6.00	e	8.00	d	8.00	o	4.00	o	1.00	h	0.00	h	19.00	e
2023-24	0.00	m	0.00	h	0.00		3.50	j	2.00	k	5.00		11.00	g	7.00	j	3.00	o	1.00	s	-----	z	-----	z	5.00	j
Period of Record Statistics
MEAN	0.00		0.00		0.26		2.17		5.20		7.01		6.06		7.03		7.00		6.77		2.49		0.32		50.49
S.D.	0.00		0.00		1.43		3.03		5.73		8.55		6.97		7.11		6.88		6.59		4.96		1.75		29.82
SKEW	0.00		0.00		7.02		1.52		1.42		2.41		1.68		1.15		1.02		0.99		2.46		5.37		0.52
MAX	0.00		0.00		11.00		13.00		24.00		45.00		32.00		26.50		27.40		27.50		23.00		10.00		118.00
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		4.60
YRS	64		61		62		65		47		42		52		51		51		48		65		64		18