CHACO CANYON NATL MON, NM

Minimum of Minimum Temperature (Degrees Fahrenheit)

(291647)

File last updated on May 6, 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)	JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC		ANN
1909	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1910	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1911	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1912	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	48.00	i	23.00		22.00		9.00		-6.00		-----	z
1913	-----	z	-1.00	d	8.00		15.00		21.00		31.00	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1914	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1918	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1920	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1921	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1922	-----	z	-----	z	-----	z	-----	z	33.00	p	38.00	a	50.00		49.00		41.00		17.00		1.00		6.00		-----	z
1923	4.00	a	3.00		5.00		18.00		26.00	a	30.00		50.00		45.00		-----	z	-----	z	-----	z	-----	z	-----	z
1924	-----	z	-----	z	-----	z	-----	z	31.00	u	30.00		45.00		42.00		24.00	b	16.00		5.00	k	3.00	s	-----	z
1925	-----	z	-----	z	11.00		20.00	r	-----	z	34.00	i	48.00		46.00		33.00		-----	z	-----	z	-----	z	-----	z
1926	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1927	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1928	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1929	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1930	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1931	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1932	-----	z	-----	z	-----	z	-----	z	-----	z	39.00	i	50.00		48.00		35.00	b	20.00		8.00		-13.00		-----	z
1933	-11.00		-15.00		10.00		9.00		24.00		41.00		50.00		48.00		40.00		30.00		19.00		9.00		-15.00
1934	6.00		15.00		13.00		20.00		35.00		33.00		46.00		50.00		26.00		21.00		6.00		-0.00		-0.00
1935	-5.00		-2.00		12.00	a	23.00	a	27.00		33.00		44.00		48.00		32.00		25.00		17.00	o	7.00		-5.00	q
1936	-1.00		9.00		10.00	a	11.00		28.00		42.00		46.00		49.00		30.00		26.00		10.00	a	5.00		-1.00	b
1937	-24.00	a	-2.00	a	18.00	a	18.00		25.00		31.00		49.00		44.00	b	31.00		26.00		10.00		9.00		-24.00	e
1938	9.00		10.00		-----	z	16.00		22.00		35.00		43.00		44.00		40.00		20.00		1.00		5.00		-----	z
1939	-2.00		-----	z	8.00		11.00		28.00		31.00		45.00		44.00		34.00		17.00	a	11.00		-0.00		-----	z
1940	4.00		11.00		11.00	a	18.00		23.00		37.00		48.00		43.00		41.00		-----	z	9.00		12.00		-----	z
1941	10.00		10.00		11.00		-----	z	34.00		33.00		42.00		40.00		33.00		26.00		10.00		3.00		-----	z
1942	-14.00		-2.00		8.00		-----	z	23.00		35.00		45.00		45.00		32.00		20.00		9.00		13.00		-----	z
1943	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1944	-12.00		9.00		5.00		18.00		20.00		27.00		48.00		38.00		39.00		-----	z	-----	z	-----	z	-----	z
1945	2.00		12.00		7.00		6.00		24.00		31.00		46.00		50.00		30.00		14.00	a	-0.00		-21.00		-21.00	a
1946	-11.00		-2.00		15.00		21.00		27.00		33.00		50.00		50.00		35.00		15.00		17.00	c	4.00		-11.00	c
1947	-24.00		8.00		16.00		17.00		34.00		33.00		51.00	r	51.00		35.00		22.00		8.00		2.00		-24.00	r
1948	-16.00	c	-2.00		9.00		18.00		29.00		40.00		41.00		40.00		37.00		24.00	b	4.00		6.00	l	-16.00	q
1949	-13.00	g	-6.00		13.00	b	20.00	d	28.00		34.00		50.00		42.00		38.00		14.00		13.00		-7.00		-13.00	m
1950	-11.00		3.00	a	6.00	f	17.00		22.00	a	29.00	a	50.00		44.00		36.00		29.00	a	-0.00	a	5.00	h	-11.00	s
1951	-1.00	c	-18.00		10.00	e	15.00		24.00	a	31.00		51.00		48.00		32.00	a	21.00	e	11.00	g	-4.00	f	-----	z
1952	-5.00	b	7.00	c	9.00	a	21.00		28.00		43.00		48.00	a	48.00	a	32.00	b	24.00	d	-12.00		-4.00	e	-12.00	s
1953	1.00		-4.00		10.00	b	17.00	c	19.00	b	36.00	c	51.00		44.00	b	33.00	d	23.00	f	11.00	a	-4.00		-4.00	w
1954	1.00	b	8.00		6.00	a	21.00	d	30.00	a	32.00	b	49.00		41.00		34.00	a	23.00	h	16.00	f	2.00		1.00	y
1955	3.00	a	3.00	d	9.00	g	9.00	h	26.00	b	32.00	g	42.00		47.00	a	32.00	b	18.00	b	4.00	f	-5.00	b	-----	z
1956	12.00	a	-8.00	l	2.00	d	14.00	j	23.00	e	38.00	c	39.00	a	40.00	a	38.00	c	15.00	b	3.00		-9.00	c	-----	z
1957	6.00	a	9.00		10.00	b	16.00	e	33.00	c	38.00	h	48.00		50.00		33.00	b	28.00	e	-1.00		6.00		-----	z
1958	-5.00	a	10.00	d	9.00	c	12.00	f	30.00	c	34.00	h	49.00	b	48.00	d	33.00	c	18.00	f	-2.00	b	-6.00	a	-----	z
1959	-5.00	d	7.00	c	8.00	d	20.00		27.00	d	32.00	c	40.00	b	40.00	b	28.00	d	24.00	a	4.00		3.00	a	-----	z
1960	-9.00		7.00	j	19.00	v	19.00		25.00		40.00		48.00	t	41.00	i	33.00		16.00		10.00		2.00		-----	z
1961	-3.00	a	10.00		11.00		15.00		25.00		33.00		42.00		42.00		24.00		15.00		12.00		-38.00		-38.00	a
1962	-21.00		-7.00		-----	z	22.00		10.00		30.00		36.00		34.00		28.00		25.00		14.00		-16.00		-----	z
1963	-35.00		-9.00		5.00		9.00		22.00		31.00		44.00		44.00		36.00		24.00		9.00		-11.00		-35.00
1964	-16.00	a	-9.00		7.00		11.00		22.00		30.00		42.00		33.00		33.00		11.00		9.00		-6.00		-16.00	a
1965	-3.00		-8.00		-0.00		-----	z	14.00		30.00		40.00		34.00		22.00		17.00		12.00		-4.00		-----	z
1966	-7.00		-1.00		3.00		9.00		26.00		36.00	a	45.00		41.00	a	36.00		17.00		7.00		-20.00		-20.00	b
1967	-19.00		5.00		8.00		12.00	a	13.00		37.00	a	45.00		41.00		31.00	a	13.00		8.00		-11.00		-19.00	c
1968	-8.00		6.00		9.00		11.00		19.00		29.00		33.00		28.00	f	23.00		9.00		-1.00		-12.00		-12.00	f
1969	-5.00		1.00		2.00		14.00		29.00		37.00		40.00		47.00		34.00		15.00		3.00		-2.00	a	-5.00	a
1970	-14.00		9.00		-3.00		11.00		14.00		28.00		-----	z	48.00		22.00		8.00		7.00		-1.00		-----	z
1971	-37.00		-3.00		-17.00		8.00		14.00		25.00		43.00		45.00		23.00		17.00		11.00		-12.00		-37.00
1972	-9.00		-7.00		6.00		12.00		20.00		40.00		47.00		44.00		24.00		22.00		11.00		-2.00		-9.00
1973	-2.00		5.00		17.00		15.00		21.00		-----	z	-----	z	44.00		26.00		16.00		-2.00	a	-----	z	-----	z
1974	-13.00	a	-2.00		10.00	a	7.00		21.00		29.00	b	42.00	a	38.00	a	19.00	a	26.00	a	5.00		-11.00		-13.00	h
1975	-11.00		-1.00		10.00		11.00	b	18.00	a	28.00		46.00		36.00	a	29.00	a	8.00	a	2.00		-4.00		-11.00	f
1976	-11.00		3.00		6.00	c	14.00	b	25.00	a	29.00	a	45.00		39.00		31.00		9.00		-35.00	c	-11.00	a	-35.00	k
1977	-15.00	a	-1.00		5.00	a	14.00		22.00	a	30.00		45.00		41.00		35.00	a	20.00		11.00		-2.00		-15.00	d
1978	10.00		9.00	a	14.00		16.00	a	22.00	a	32.00		42.00		40.00		22.00	a	23.00	a	17.00		-24.00	b	-24.00	g
1979	-14.00		2.00		13.00		12.00		23.00		31.00	a	37.00	a	41.00	b	35.00		12.00		5.00		4.00	b	-14.00	f
1980	5.00	c	7.00	c	-3.00		11.00	c	17.00	a	29.00		34.00	a	-----	z	26.00		11.00	b	1.00	c	8.00	b	-----	z
1981	-0.00	b	-----	z	2.00	a	1.00		20.00	a	30.00	d	42.00	b	44.00	j	36.00	b	17.00		7.00	a	-8.00	b	-----	z
1982	-20.00		-12.00	c	9.00		17.00		15.00	g	34.00	a	41.00	b	35.00	g	29.00	d	9.00	a	7.00	c	1.00	d	-----	z
1983	-2.00		15.00		18.00		13.00		20.00		29.00		44.00	d	48.00	a	21.00		21.00		9.00		1.00	a	-2.00	f
1984	-11.00	a	6.00		7.00		15.00	a	11.00		32.00	a	45.00		46.00		33.00		24.00	a	8.00		6.00		-11.00	d
1985	1.00		-7.00	a	13.00		19.00		30.00		35.00	a	44.00	a	41.00	a	22.00	b	21.00	a	7.00		-2.00		-7.00	g
1986	6.00		-13.00		13.00		17.00	a	21.00		38.00		45.00		48.00		31.00		23.00		13.00		8.00	a	-13.00	b
1987	-24.00		-4.00		2.00	a	17.00		33.00		37.00		40.00		38.00		29.00		17.00		8.00		-7.00		-24.00	a
1988	-11.00		11.00		2.00		13.00		23.00	a	32.00	b	48.00		50.00		27.00	a	25.00	b	8.00		-9.00		-11.00	f
1989	-14.00	b	-26.00		12.00		20.00		27.00	b	38.00	a	48.00	a	39.00	a	27.00	a	7.00	c	-2.00		-3.00		-26.00	k
1990	-11.00		-5.00		15.00		24.00		30.00	a	31.00		49.00	e	42.00		40.00		21.00	c	3.00		-37.00	a	-37.00	j
1991	-17.00		4.00		12.00		19.00		25.00	a	32.00	b	41.00		46.00	e	30.00	a	15.00		3.00	a	9.00		-17.00	j
1992	-0.00	a	14.00		11.00		23.00	d	32.00	a	32.00		39.00	a	38.00	a	28.00		18.00	a	-1.00		-16.00	c	-16.00	l
1993	8.00	b	11.00		6.00		13.00		21.00		33.00		43.00		41.00		26.00		7.00		-0.00		-2.00		-2.00	b
1994	-2.00	a	-8.00		12.00	g	20.00	d	24.00		35.00	c	45.00	b	48.00		32.00		17.00		5.00	a	6.00	a	-8.00	s
1995	5.00	a	14.00		8.00		13.00	c	25.00	a	27.00	a	39.00	c	48.00		32.00		17.00		4.00	f	9.00	o	-----	z
1996	-5.00	a	-1.00		9.00		15.00		30.00		31.00		45.00		45.00		28.00		12.00	a	12.00		-0.00		-5.00	b
1997	-19.00	b	7.00		8.00		12.00		27.00		41.00	a	36.00		47.00		38.00		15.00	a	10.00	a	-13.00	a	-19.00	f
1998	10.00	b	11.00	a	10.00		15.00		26.00	a	33.00		49.00		48.00		31.00		21.00		10.00	a	-5.00	a	-5.00	f
1999	5.00		-0.00	a	15.00		10.00		24.00	b	30.00		51.00		42.00		22.00		15.00		1.00		-8.00		-8.00	c
2000	-8.00	a	11.00		8.00		21.00		18.00		42.00		45.00		30.00		20.00		22.00		4.00		-2.00	b	-8.00	c
2001	-2.00		-4.00	a	6.00		13.00		28.00		27.00		43.00		31.00		26.00		14.00		7.00	a	-16.00	d	-16.00	f
2002	-1.00	a	-12.00	a	-5.00	a	17.00		26.00		38.00		40.00		36.00		34.00	b	24.00		8.00		1.00	a	-12.00	f
2003	7.00		3.00		12.00	a	11.00		20.00	b	34.00		43.00		48.00	a	32.00		21.00	a	5.00	b	-2.00	a	-2.00	h
2004	-0.00	b	-0.00		12.00		25.00		25.00		34.00		37.00		45.00		25.00		18.00		-11.00	a	-8.00		-11.00	c
2005	9.00	a	11.00		12.00		-----	z	11.00	a	33.00	a	41.00	a	46.00		31.00		25.00		7.00	a	-13.00		-----	z
2006	-4.00	a	1.00		10.00		13.00		26.00	a	37.00		47.00		42.00		28.00		19.00		-2.00	a	-4.00	e	-4.00	h
2007	-9.00	b	-10.00		8.00		21.00		30.00	a	30.00	i	46.00	b	47.00	a	29.00		16.00	a	4.00	a	-3.00	a	-10.00	r
2008	-13.00	a	4.00	e	12.00	f	12.00	c	18.00	c	30.00	a	49.00	a	42.00	b	37.00	b	12.00	j	4.00	f	-1.00	g	-----	z
2009	-2.00	b	5.00	c	9.00	e	12.00	f	36.00	b	35.00		46.00	a	39.00	b	29.00	j	15.00	i	-0.00	e	-9.00	c	-----	z
2010	-6.00	b	8.00	c	11.00	a	22.00	v	19.00	a	38.00		40.00		43.00	a	36.00		17.00		-4.00	a	4.00	b	-----	z
2011	-15.00	a	-26.00		9.00		14.00		16.00		36.00		49.00		43.00		36.00		17.00	a	12.00	a	-14.00		-26.00	c
2012	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	13.00	b	-----	z	-----	z	-----	z
2013	-----	z	-----	z	-----	z	-----	z	22.00	b	41.00	c	48.00	b	40.00	b	24.00	h	13.00	a	13.00		-9.00		-----	z
2014	4.00		5.00		8.00		14.00		22.00	a	35.00		52.00		44.00		32.00		22.00		9.00		-8.00	b	-8.00	c
2015	7.00		11.00		15.00		14.00		30.00		35.00		48.00		45.00		34.00		24.00		10.00	m	1.00		1.00	m
2016	6.00		2.00		-----	z	-----	z	-----	z	-----	z	-----	z	45.00	k	29.00		28.00		6.00		3.00	b	-----	z
2017	-11.00	a	14.00	a	9.00		15.00		27.00	a	31.00		44.00		-----	z	26.00	a	17.00		5.00		1.00	c	-----	z
2018	-0.00	b	9.00	a	2.00		18.00	i	25.00	b	34.00	c	43.00	b	42.00	a	37.00	e	26.00		5.00	a	-10.00	j	-----	z
2019	-----	z	2.00		20.00		19.00	f	25.00		34.00	a	40.00	a	47.00	a	32.00	c	2.00	d	2.00	b	2.00	g	-----	z
2020	-----	z	3.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2021	-----	z	7.00	j	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2022	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	17.00	q	3.00	g	-----	z	-----	z
2023	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	-5.60		1.72		8.54		15.20		23.94		33.49		44.54		43.41		30.89		18.41		5.53		-4.04		-14.92
S.D.	10.24		8.81		5.57		4.55		5.53		4.03		4.25		4.62		5.33		5.80		7.29		9.59		10.87
SKEW	-0.59		-0.89		-1.40		-0.22		-0.29		0.42		-0.45		-0.67		-0.23		-0.31		-2.33		-1.07		-0.77
MAX	12.00		15.00		20.00		25.00		36.00		43.00		52.00		51.00		41.00		30.00		19.00		13.00		-0.00
MIN	-37.00		-26.00		-17.00		1.00		10.00		25.00		33.00		30.00		19.00		2.00		-35.00		-38.00		-38.00
YRS	83		83		79		74		85		82		85		83		88		83		80		79		24