FLAGSTAFF 4 SW, AZ

Minimum of Minimum Temperature (Degrees Fahrenheit)

(023009)

File last updated on December 10, 2025
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
1984	-----	z	-----	z	-----	z	-----	z	13.00		22.00	a	36.00		38.00		27.00	a	8.00	c	-15.00	h	-15.00	e	-----	z
1985	-27.00	h	-37.00	i	-13.00	g	12.00		16.00		22.00		33.00		31.00	a	19.00		23.00		-19.00	a	-5.00		-----	z
1986	11.00		-21.00	a	3.00		12.00	a	15.00		27.00		30.00		40.00		24.00	a	14.00		8.00	c	-2.00		-21.00	f
1987	-28.00	b	-19.00	d	-5.00	e	11.00	b	19.00		25.00		25.00	a	30.00		22.00		-----	z	4.00		-17.00	a	-----	z
1988	-15.00	a	-6.00	a	7.00		11.00	b	13.00		23.00		35.00	a	33.00	a	22.00		21.00		-4.00		-26.00		-26.00	f
1989	-24.00		-20.00		-3.00		13.00		19.00		19.00		28.00	a	29.00	b	20.00		8.00		1.00		-8.00		-24.00	c
1990	-23.00		-21.00		-13.00		19.00		20.00		23.00		35.00		30.00		25.00		14.00		-6.00		-36.00		-36.00
1991	-9.00		7.00		-1.00		13.00		13.00		23.00		32.00	a	29.00	a	25.00		4.00	a	-0.00		-15.00		-15.00	c
1992	-16.00	a	-2.00		5.00		16.00		25.00		24.00		27.00		33.00		24.00		15.00		-1.00		-20.00	a	-20.00	b
1993	-15.00		-1.00		-2.00		10.00		13.00		22.00		32.00		32.00	a	22.00		11.00		1.00		-11.00	a	-15.00	b
1994	-8.00	a	-18.00		11.00		15.00		19.00		24.00		30.00		43.00		26.00		11.00		-1.00	a	5.00		-18.00	b
1995	-15.00		8.00		9.00		10.00		23.00		18.00		30.00		40.00		24.00		15.00		7.00	b	-1.00	a	-15.00	c
1996	-8.00		-8.00		-7.00		7.00		17.00		26.00		38.00		33.00		26.00		8.00	c	8.00		-0.00	a	-8.00	d
1997	-14.00	c	-3.00	b	-18.00	a	12.00		15.00		25.00		25.00	a	39.00	b	27.00		12.00	a	12.00	c	-15.00	a	-18.00	n
1998	-6.00	d	-13.00	c	-7.00	a	6.00		-----	z	24.00	b	33.00		37.00		26.00		11.00		3.00	a	-14.00	a	-----	z
1999	-1.00	a	-3.00		10.00	a	2.00	a	20.00		24.00		40.00		30.00	b	23.00		9.00	b	-8.00	a	-15.00	a	-15.00	i
2000	-15.00		6.00		2.00	a	11.00	c	8.00		21.00	b	32.00		35.00	a	23.00	a	17.00		-9.00		2.00		-15.00	h
2001	-14.00	d	-9.00		4.00		17.00	a	18.00		17.00		35.00		35.00		25.00		19.00		2.00		-15.00	a	-15.00	f
2002	-13.00		-5.00	a	-9.00	a	9.00		15.00		29.00		38.00		27.00	a	27.00		20.00		4.00	c	-13.00	a	-13.00	g
2003	2.00	b	1.00	c	-3.00	b	8.00	a	13.00	a	26.00		35.00		40.00		27.00		22.00		-1.00	a	-1.00	b	-3.00	l
2004	-9.00	b	-15.00		-2.00		17.00	a	20.00		23.00		26.00		35.00		23.00		9.00		-4.00	a	-0.00	a	-15.00	e
2005	-13.00	b	2.00		2.00	b	15.00		19.00		26.00		31.00		37.00		24.00	a	19.00		5.00	a	-2.00	b	-13.00	h
2006	-7.00	c	1.00		-5.00		16.00		21.00		29.00		43.00		36.00		25.00		16.00		-0.00	b	-3.00	e	-7.00	j
2007	-21.00		-12.00	d	1.00		7.00	c	17.00	a	23.00	f	34.00	f	42.00		24.00		14.00		5.00		-13.00		-21.00	t
2008	-18.00	b	-15.00		2.00		12.00	a	11.00		24.00		43.00	b	41.00		30.00		4.00		5.00	c	-11.00		-18.00	h
2009	2.00		-13.00		8.00		10.00		-----	z	27.00		40.00		26.00		28.00	b	9.00		7.00		-15.00		-----	z
2010	-4.00		-6.00		-0.00		14.00		16.00	c	27.00		33.00		39.00		27.00		17.00		-10.00		-4.00		-10.00	c
2011	-26.00		-12.00		3.00		-4.00	a	14.00		22.00		31.00	a	39.00		32.00	c	20.00	a	3.00		-12.00		-26.00	f
2012	6.00		-4.00		-3.00	c	12.00		16.00		28.00		42.00		46.00		29.00	f	14.00	q	10.00		-12.00		-----	z
2013	-21.00		-14.00	a	2.00		8.00		18.00		31.00		43.00		37.00	a	21.00		15.00	a	-2.00		-19.00	i	-21.00	l
2014	-----	z	10.00	u	-----	z	1.00	e	21.00	b	25.00		39.00		38.00		28.00		22.00		5.00		1.00		-----	z
2015	-12.00		11.00		2.00		9.00		23.00		27.00		34.00		41.00		31.00		24.00		3.00		-11.00		-12.00
2016	-16.00		-17.00		9.00		14.00	a	23.00	b	29.00		34.00		38.00		26.00	a	22.00		-2.00		-7.00		-17.00	d
2017	-14.00	a	4.00		-4.00		15.00		21.00		23.00		40.00		35.00		18.00		13.00		4.00	a	-4.00		-14.00	b
2018	-9.00	a	-10.00		9.00		16.00		21.00		30.00		36.00		38.00		27.00		21.00	h	4.00	k	-10.00	a	-10.00	u
2019	-8.00	b	-15.00		6.00		14.00		21.00		26.00		29.00		33.00		23.00		-4.00	a	4.00		-2.00	i	-15.00	l
2020	-5.00		1.00		6.00		12.00	b	21.00	c	-----	z	-----	z	38.00		20.00		10.00		4.00		1.00		-----	z
2021	-4.00	a	-3.00		5.00		15.00	b	14.00		27.00		39.00		37.00	c	28.00		16.00		9.00		-3.00		-4.00	f
2022	-15.00		-11.00		-2.00		7.00		15.00		24.00		34.00		42.00		32.00		16.00		4.00		-7.00		-15.00
2023	-13.00	a	-21.00		-3.00		12.00	a	19.00		21.00		36.00		40.00	a	26.00		16.00		10.00		3.00		-21.00	c
2024	-9.00		-13.00	b	8.00		13.00		16.00		30.00		38.00		39.00		27.00		14.00		6.00		4.00		-13.00	b
2025	-6.00		5.00		-3.00		-1.00		18.00		29.00		34.00		34.00		27.00		18.00		-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	-11.10		-7.28		0.62		10.93		17.48		24.80		34.35		36.07		25.15		14.15		1.72		-8.38		-16.87
S.D.	8.43		9.07		6.49		4.93		3.73		3.30		4.91		4.60		3.24		5.96		6.25		8.67		6.72
SKEW	0.35		0.19		-0.60		-1.12		-0.23		-0.22		-0.02		-0.29		0.00		-0.65		-1.09		-0.79		-1.52
MAX	11.00		11.00		11.00		19.00		25.00		31.00		43.00		46.00		32.00		24.00		12.00		5.00		-8.00
MIN	-28.00		-21.00		-18.00		-4.00		8.00		17.00		25.00		26.00		18.00		-4.00		-19.00		-36.00		-36.00
YRS	39		39		39		41		40		40		40		42		41		39		39		39		15