WINDOW ROCK 4 SW, AZ

Average of Minimum Temperature (Degrees Fahrenheit)

(029410)

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)	JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC		ANN
1937	-----	z	-----	z	21.43	q	28.22	c	38.94		45.20		51.40	a	51.90		45.47		34.23		21.40		21.10		37.54	c
1938	17.48		21.86		24.81		27.73		35.45		45.33		50.42		50.94		44.20		30.32		-----	z	17.42		33.27	a
1939	15.23		7.68		23.94		31.97		36.45		44.47		52.52		52.39		47.80		28.97	b	23.03		16.42		31.74
1940	17.83	a	20.08	c	23.90		31.03	a	37.77		47.70		51.84		50.87		46.07		33.84		22.87		22.32		33.84
1941	19.19		24.54		25.37	a	28.63		37.81		42.03		49.13		50.71		41.63		33.16		22.20		18.13		32.71
1942	12.42		14.43		19.37	a	29.17		32.03	a	40.80		54.55		50.03		41.46	d	34.07	b	24.60		19.90		31.07
1943	18.71		20.29		25.03		28.00		36.00		45.55	a	52.10		51.84		41.34	a	29.94		19.97		11.45		31.68
1944	5.55		14.45		17.45		21.83		33.13		36.93		46.77		46.61		39.13		30.55		19.50		8.23		26.68
1945	12.00		23.64		21.84		27.92	f	34.81		39.47		52.00		54.39		41.50		33.77		15.87		8.00		30.66	a
1946	15.07	a	13.96		24.55		33.20		35.97		44.87		53.58		53.68		45.60		30.45		21.43		17.81		32.51
1947	8.45		21.36		23.52		27.70		35.94		42.00		52.45		54.16		47.20		34.13		18.27		15.35		31.71
1948	12.81		17.24		17.65		29.57		34.45		43.77		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.91	f
1949	-----	z	-----	z	-----	z	-----	z	36.39		45.57		54.68		49.55		45.70		30.58		21.77		9.74		36.75	d
1950	15.13		23.14		22.13	a	29.00		31.32		42.27		53.19		47.58		39.67		34.48		22.07		17.83	a	31.48
1951	12.87		18.61		23.00		30.30		37.19		40.20		55.10		52.26		39.93		32.90		21.53		15.32		31.60
1952	19.68		15.38		19.26		29.63		33.77		44.87		52.71		51.68		41.23		29.61		14.30		8.61		30.06
1953	19.13		13.36		22.52		27.27		31.30	a	45.23		55.42		51.48		40.76	a	32.35		21.97		11.65		31.04
1954	16.00		21.64		22.52		31.60		39.06		43.83		54.87		50.19		45.63		34.23		21.20		13.00		32.82
1955	10.32		9.61		22.45		26.37		36.52		41.43		50.06		53.68		42.37		32.90		23.37		23.84		31.08
1956	22.94		14.62		20.93	a	27.70		37.42		48.57		51.32		49.32		42.27		31.82	c	13.69	a	10.13	a	30.89
1957	18.39		25.52	a	25.52		28.10		36.42		52.86	a	52.35		52.48		39.45	a	34.32		19.40		15.03		33.32
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1959	9.61		15.46		21.10		30.80		35.07	a	48.77		53.74		51.71		42.20		32.10		20.67		16.94		31.51
1960	6.81		14.69		26.29		28.80		36.57	c	47.93		56.16		50.61		43.67		32.97		22.20		14.23		31.74
1961	11.26		19.43		25.06		30.80		35.48		46.77		54.55		53.39		41.77		30.71		23.72	a	9.68		31.88
1962	10.23		21.75		21.33	a	31.27		35.13		43.47		52.68		51.68		47.73		35.26		27.37		16.03	a	32.83
1963	7.61		21.32		22.06		27.80		38.71		43.59	a	55.58		54.58		50.83		38.58		24.45	a	11.48		33.05
1964	6.71		8.55		17.42		25.83		35.35		40.50		55.77		51.19		44.20		30.26		18.43		14.32		29.05
1965	14.83	a	14.36		19.47	a	26.67		32.19		40.17		51.29		52.23		42.57		32.65		25.97		18.16		30.88
1966	12.39		12.54		22.52		30.23		39.81		46.33		56.55		53.68		45.27		32.29		25.10		14.29		32.58
1967	9.00		19.64		26.81		27.30		35.68		44.87		55.81		51.94		42.53		30.55		23.53		10.10		31.48
1968	9.84		23.59		24.61		28.30		35.94		45.27		53.83	a	48.94		39.23		31.06		22.73		7.93	a	30.94
1969	19.55		17.46		18.55		30.23		38.00		44.43		54.29		54.81		44.57		30.32		20.67		18.13		32.58
1970	12.19		20.54		19.53	a	23.97		36.35		43.83		-----	z	53.13		40.93		28.35		22.73		13.35		28.63	a
1971	12.19		15.89		19.68		26.07		35.07	a	45.17		53.77		52.84		41.50		31.06		21.47		12.61		30.61
1972	14.58		17.00		25.13		29.80		34.74		48.10		53.95	k	51.92	f	43.63		37.19		21.63		12.90		28.47	b
1973	10.26		20.52	a	23.61		27.40		36.94		44.80		51.65		49.89	d	40.77		28.68		20.70		14.48		30.81
1974	14.33	a	11.86		24.58		23.47		36.45		49.79	a	55.90	a	-----	z	41.00	a	35.48		23.57		10.35		29.71	a
1975	9.70	a	14.07	a	21.52		23.70		31.68		41.27		54.71		46.50	a	41.00	a	25.06		15.32	b	10.19		27.89
1976	7.26		18.66		18.10		26.63		36.27	a	43.75	b	53.74		53.74		43.31	a	28.94		20.10		-----	z	31.86	a
1977	8.90		16.93		18.23		32.80		-----	z	49.73		55.77		53.90	b	47.40		33.90		25.24	a	18.65		32.86	a
1978	19.83	a	20.68		27.77		29.25	b	36.23	a	50.17		54.90		51.21	b	43.79	b	37.36	t	27.13		10.58		33.78	a
1979	8.68		13.61		23.23		27.00		37.45	b	44.59	a	48.32		44.88	o	40.27	d	29.79	b	17.67		12.55		27.56	a
1980	20.06		20.03		19.58		27.66	a	34.87		50.55	h	58.84		53.37	l	48.68	k	-----	z	21.72	e	20.00	a	27.85	d
1981	18.03		15.22	a	22.93	a	31.11	b	37.08	f	55.29	i	58.14	j	51.39	h	-----	z	-----	z	25.06	m	20.19		21.50	g
1982	15.61		21.04	a	26.30	a	32.10		36.68		42.53		54.23		55.13		46.77		29.84		25.43		16.32		33.50
1983	15.74		20.32		27.77		23.54	q	37.95	i	46.73		53.61		54.77	a	48.37		38.35		24.60		25.74		35.60	b
1984	16.62	b	17.76		25.55	b	29.37		43.14	b	47.63		56.10	b	53.68		46.93		33.16		25.61	b	20.17	a	34.64
1985	17.94		15.67	a	28.41	d	34.17		41.13	a	48.47		54.50	a	53.45		42.13		35.81		27.47		20.16		34.94
1986	22.13	a	25.29		28.06		33.34	a	39.90		51.00		54.58		55.03		43.86	a	31.90		27.97	a	20.59	b	36.14
1987	14.19		20.89	a	23.13		31.63		38.10		49.13		52.81		53.13		43.13		37.26		24.30		14.30	a	33.50
1988	12.03		20.55		24.13		32.13		39.39		49.33		55.48		54.65		43.27		37.52		26.70		15.80	a	34.25
1989	12.87		21.71		30.35		35.90		42.06		49.83		55.13		52.29		45.83		35.03		24.83		14.52		35.03
1990	15.13		16.39		28.61		35.23		40.97	a	51.67		55.77		52.00		49.50		34.68		24.20		10.61		34.56
1991	15.48		24.07		24.52		30.13		36.57	a	45.00		53.19		53.52		46.43		35.57	c	25.97		19.94		34.20
1992	14.71		24.17		28.29		36.20		43.32		47.67		53.97		52.16		44.73		36.65		21.53		12.41	b	34.65
1993	18.36	c	26.89		28.87	a	31.13		38.52		46.36	b	56.97		52.61		42.57		35.91	i	23.40		15.03		34.61	a
1994	16.32		18.04	b	28.26		33.89	c	39.45		52.70		56.68		55.71		45.52	a	33.26		18.81	i	23.10		36.63	a
1995	18.65		27.61		28.65		31.52	e	38.07	a	45.77		51.16		55.03		43.59	m	30.06	m	25.83		16.81		33.91	b
1996	18.35		24.52		22.19	j	28.97		44.25	c	49.90		54.53	a	52.71		41.83	a	32.31	e	23.37	c	19.54	e	35.48	a
1997	-----	z	17.93	a	26.08	e	28.82	b	40.32	c	48.32	b	50.94		52.54	c	48.29	b	29.21	b	24.18	b	12.56	d	34.47	a
1998	18.55	i	17.54	d	24.67	d	25.82	b	38.50	a	45.11	c	54.57	c	52.62	b	46.50	b	32.70	d	23.86	b	16.62	e	34.41	a
1999	18.23	e	19.67	d	24.85	k	29.10	j	39.00	p	41.80	o	54.53	l	54.78	v	44.60	j	-----	z	-----	z	-----	z	18.95	j
Period of Record Statistics
MEAN	14.23		18.59		23.56		29.38		36.94		45.65		53.66		52.23		43.72		32.64		22.45		15.30		32.19
S.D.	4.27		4.44		3.34		3.01		2.85		3.43		2.26		2.06		2.82		2.80		3.19		4.31		1.94
SKEW	-0.13		-0.24		-0.08		0.02		0.32		-0.06		-0.65		-0.81		0.39		0.02		-0.74		0.22		-0.46
MAX	22.94		27.61		30.35		36.20		44.25		52.86		58.84		55.71		50.83		38.58		27.97		25.74		36.14
MIN	5.55		7.68		17.42		21.83		31.30		36.93		46.77		46.50		39.13		25.06		13.69		7.93		26.68
YRS	58		60		58		58		58		59		57		55		57		55		57		59		40