GRAND CANYON NATL PARK, AZ

Average of Minimum Temperature (Degrees Fahrenheit)

(023595)

File last updated on April 19, 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
1957	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	50.33	m	43.17		37.03		23.70		24.61		32.13	h
1958	19.81		24.68		23.00		28.17		40.16		49.43		53.16		54.45		46.93		38.16		26.00		22.10		35.50
1959	19.19		19.18		23.77		33.33		38.13		49.10		56.97	a	52.06		44.17		35.61		26.30		22.10		34.99
1960	13.90		13.79		25.58		31.80		37.84		48.87		53.94		54.26		47.57		34.97		27.57		19.26		34.11
1961	20.81		24.00		24.52		29.80		36.71		48.50		54.16		52.13		41.93		33.68		25.07		16.16		33.96
1962	19.90		24.18		20.77		33.48	a	35.74		43.83		49.29		52.42		46.77		37.84		29.27		19.13		34.39
1963	14.81		24.79		24.10		28.33		38.77	a	43.30		54.65		53.52		47.50		40.81		30.37		18.90		34.99
1964	14.68		15.38		21.45		28.87		36.77		44.97		55.35		51.10		44.63		37.03		23.80		22.39		33.04
1965	23.68		19.57		24.03		28.83		35.45		40.10		51.26		48.29		39.63		35.48		26.93		19.90		32.76
1966	15.40	a	13.68		26.94		30.87		41.00		46.87		54.87		54.65		47.97		36.48		28.50		20.71		34.83
1967	18.48		22.32		27.84		26.77		36.13		43.13		55.16		53.04	d	47.89	c	36.03	b	28.57		14.30	a	34.14
1968	19.45		28.90		26.55		28.47		-----	z	45.87		51.35		47.03		43.80		36.87		27.73		17.23		33.93	a
1969	25.03	a	21.54		20.81		30.37		38.77		44.00		52.58		55.71		47.27		33.32		28.83		23.53	a	35.15
1970	19.71		26.18		24.16		25.97		38.48		46.93		51.32		53.45		42.57		33.10		28.57		19.90		34.20
1971	19.16		20.00		23.19		29.60		34.48		45.33		53.26		53.77		46.26	c	32.13	a	24.27		18.00		33.29
1972	19.81		23.21		30.26		30.14	a	37.13		46.50		53.88	g	51.43	c	44.52	e	37.50	a	24.00		17.03		32.87	a
1973	15.65		22.75		22.00		28.45	a	39.47	a	47.80		54.96	d	49.50	i	44.47		34.30	a	26.31	a	22.55		32.61	a
1974	18.66	b	20.07	a	28.42		29.33		39.55		49.10		51.68		50.42		46.76	a	38.54	c	27.77		18.68		34.91
1975	18.90		17.79		23.58		25.57		35.13		44.76	e	53.52	f	48.93	b	48.56	e	34.00	j	25.82	h	22.68	i	32.90	d
1976	21.06	m	25.88	d	22.90		27.77		-----	z	44.66	a	51.97		48.65		45.45	a	34.61		27.20		21.39		35.05	b
1977	19.00		24.39		21.45	b	31.90	a	31.55		44.03		50.90		-----	z	-----	z	-----	z	-----	z	-----	z	31.89	e
Period of Record Statistics
MEAN	18.74		21.61		24.27		29.39		37.29		45.85		53.16		51.96		45.39		35.97		26.88		19.89		34.30
S.D.	2.89		4.16		2.62		2.17		2.33		2.49		1.99		2.47		2.37		2.18		1.99		2.68		0.83
SKEW	0.18		-0.47		0.66		0.22		-0.62		-0.29		-0.03		-0.50		-0.70		0.19		-0.23		-0.19		-0.48
MAX	25.03		28.90		30.26		33.48		41.00		49.43		56.97		55.71		48.56		40.81		30.37		24.61		35.50
MIN	13.90		13.68		20.77		25.57		31.55		40.10		49.29		47.03		39.63		32.13		23.70		14.30		32.76
YRS	19		20		20		20		18		20		18		18		20		19		19		19		14