DELTA, CO

Average of Maximum Temperature (Degrees Fahrenheit)

(052192)

File last updated on April 26, 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
1893	40.03		42.96	a	53.81		66.93		77.55		93.50		96.65		90.81		82.07		66.84		51.00	a	45.42		67.30
1894	38.52		39.30	a	58.03		68.87		83.19		89.27		97.71		91.79	g	80.70		68.45		53.59	a	42.90		65.50	a
1895	39.00		42.39		59.52		74.27		82.06		85.90		93.23	a	94.16		88.07	a	74.40	a	50.43		32.61		68.00
1896	44.03		48.89	b	60.68		74.90	a	84.61	h	100.15	j	100.60	a	95.06		74.17	a	-----	z	-----	z	37.35		66.96	d
1897	35.29		39.71		50.13	a	68.50		80.94		90.50		94.06		93.26		82.13		63.29		53.07		33.40	a	65.36
1898	30.10		45.54		54.06		73.31	a	76.29		92.27		97.97		93.13		82.67		67.00		49.73		34.58		66.39
1899	35.10		42.14		58.32		70.20		76.39		84.89	k	94.65		90.58		90.30		69.00		62.20		39.58		66.22	a
1900	47.71		51.57		67.10		66.50		83.03		95.50		100.97		96.68		81.53		73.26		56.30		46.52		72.22
1901	43.26		52.54		57.97		69.47		81.29		89.03		99.39		92.74		86.40		71.45		59.17		44.26		70.58
1902	44.16		48.43		53.06		70.97		79.74		92.20		89.68		91.60	a	86.27		72.00		53.27		34.71		68.01
1903	33.61		30.21		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	31.91	j
1904	-----	z	-----	z	-----	z	73.71	f	79.19		85.53		93.77		89.61		80.50	h	67.84		-----	z	-----	z	83.19	g
1905	-----	z	-----	z	-----	z	-----	z	72.83	a	88.87		92.26		93.06		86.17		72.26		60.63		38.32		75.55	d
1906	40.84		54.68		54.71		67.03		75.74		85.80		90.16		90.29		80.63		-----	z	-----	z	-----	z	71.10	c
1907	-----	z	57.61		60.23		68.07		70.35		82.13		92.13		87.52		82.30		73.03		55.27		42.77		70.13	a
1908	42.55		47.93		60.77		67.30		71.97		84.33		92.68		87.03		81.80		64.68		53.13		37.68		65.99
1909	42.52		43.18		57.45		65.10		73.35		88.73		93.74		90.77		81.17		77.65		59.33		29.52		66.88
1910	37.42		44.75		68.19		71.97		79.61		90.10		95.16		91.68		85.77		68.55		63.03		40.55		69.73
1911	42.32		52.18		60.32		68.72	a	79.65		86.30		88.68		90.23		83.17		65.55		49.43		37.81		67.03
1912	41.52		48.41		53.16		60.40		74.94		86.92	q	89.87		91.26		77.17		64.16		54.03		34.69	o	65.49	b
1913	30.29		41.43		50.94		68.10		80.13	a	85.03		94.35		93.48		81.63		67.06		56.77		35.55		65.40
1914	37.23	a	43.21		59.42		66.97		77.13		85.93		89.19		89.74		84.40		68.00		59.13		37.16		66.46
1915	33.23		44.00	a	56.68		69.57		71.71		85.23		93.71		90.65		79.97		72.39		53.48	a	39.48		65.84
1916	32.74		41.86		58.30	u	67.70		75.52		88.33		91.35		86.32		81.27		65.32		51.70		37.00		65.37	a
1917	32.06		41.14		48.06		60.70		67.29		86.03		94.23		88.19		81.73		70.42		59.67		50.13		64.97
1918	32.87		42.21		62.84		61.70		75.84		92.00		90.00		88.71		81.00		71.26		49.27		37.03		65.39
1919	33.13		43.46		55.42		68.20		79.19		89.45	a	92.74		91.19		82.77		64.58		52.30		31.67	a	65.34
1920	32.55		45.28		52.58		57.93		76.87		83.97		91.68		87.19		79.77		66.68		53.63		39.74		63.99
1921	43.45		50.64		62.00		63.87		76.81		86.97		90.97		87.32		84.10	a	74.06		59.57		49.03		69.07
1922	40.65		44.71		55.87		62.70		76.65		90.73		92.35		91.26		85.20		71.74		52.00		44.00		67.32
1923	48.94		49.61		53.13		66.67		75.48		85.93		91.87		85.00		77.87		67.45		56.37		40.68		66.58
1924	32.32		52.10		50.97		66.55	a	77.65		89.30		90.42		89.48		80.57		70.06		56.90		33.83	a	65.85
1925	29.42		44.82		59.50	a	-----	z	80.65		84.03		90.65		83.23		79.90		67.29		52.13		44.32		65.09	a
1926	40.10		52.46		58.42		70.47		77.23		87.59	a	88.81		91.03		81.83		71.97	a	55.47		40.77		68.01
1927	44.90		47.73	b	52.84		67.40		78.27	a	83.93		88.58		85.29		79.30		72.39		58.93		38.58		66.51
1928	46.58		49.76		59.55		63.60		77.71		83.17		91.03		88.13		85.20		68.84		52.20		37.48		66.94
1929	32.10	a	35.64		52.68		62.23		75.29		88.33		91.55		88.30	a	76.87		68.90		48.80		47.29		64.00
1930	29.94		45.04		56.87		73.31	a	75.00		88.30		90.87		89.23		80.90	a	69.00		46.77		29.03		64.52
1931	34.71		48.93		55.23		70.33		77.00		89.03		95.74		90.65		82.03		69.29		46.60		29.69	b	65.77
1932	30.58		48.93		54.74		67.90		78.45		85.77		91.90		88.26		84.13		68.94		52.43		32.03		65.34
1933	32.35		35.57		58.39		63.63		73.32		91.20		94.35		89.87		84.30		74.16		53.90		45.19		66.35
1934	45.16		55.14		67.00		75.80		84.16		89.10		97.23		93.26		82.87		74.29		54.47		41.45		71.66
1935	43.65		50.36		57.26		66.97		73.87		91.00		94.26		90.13		84.97		69.84		52.27		40.07	a	67.89
1936	37.94		46.83		61.19		72.10		82.90		91.07		94.55		91.10		82.20		70.00		52.90		40.90		68.64
1937	29.13		45.11		58.48		68.83		82.39		87.30		93.13		94.61		84.47		71.97		56.23		40.16		67.65
1938	37.55		-----	z	56.35		68.73		75.74		86.97	a	92.68		92.13		83.80		70.81		45.33		37.65		67.98	a
1939	35.65		35.11	a	59.07	a	72.90	a	82.32		88.87		96.00	h	93.35		83.61	b	72.16		57.23		46.71		66.09	a
1940	36.74		47.28		62.19		67.93		83.32		93.07		96.71		93.55		82.33		71.10		49.00		38.29		68.46
1941	38.10		48.89		58.16		62.57		80.03		84.33		93.87	a	91.35		80.03		66.61		52.70		43.47	a	66.68
1942	37.77		39.36		52.97		69.20		78.26		89.83		96.77		93.48		86.10		73.58		57.10		44.84		68.27
1943	43.58		52.79		57.52		78.00		77.71		87.43		96.71		89.52		88.47		73.81		55.23		41.93	a	70.22
1944	38.13		47.69		54.84		62.57		80.10		86.83		94.35		95.10		88.50		76.91	h	53.07		42.23		67.58	a
1945	40.42		49.71		56.52		62.45	a	80.19		84.40		94.97		93.26		86.20		73.93	a	55.27		37.39		67.89
1946	39.70	a	52.04		62.71		74.07		74.65		92.00		95.10		91.32		85.43		67.35		50.53		47.58		69.37
1947	40.65		53.61		61.26		67.63		82.26		84.23		95.32		88.06		85.30		73.94		48.13		42.45		68.57
1948	37.48		41.41		50.81		68.90		82.19		87.87		94.39		90.81		88.23		72.68		44.97		42.61		66.86
1949	31.13		40.29		57.58		70.70		77.26		84.73		94.19		93.65		87.07		67.77		58.87		42.52		67.15
1950	40.45		49.36		57.35		71.00		77.52		91.07		92.55		91.90		81.13		79.16		56.50		45.19		69.43
1951	41.29		45.89		57.06		67.80		78.16		85.27		95.35		89.97		85.80		69.58		48.80		36.48		66.79
1952	39.58		45.00		51.68		69.63		79.71		90.24	a	93.23		89.71		85.37		76.61		47.33		36.23		67.03
1953	44.61		47.79		60.55		64.77		72.39		90.57		93.71		87.68		87.60		71.32		54.60		37.45		67.75
1954	44.97		57.64		55.81		75.30		84.26		90.73		96.00		90.71		81.17		70.77		57.60		36.58		70.13
1955	37.87		37.75		55.77		66.73		76.84		85.67		94.81		91.19		85.73		73.29		50.17		46.58		66.87
1956	48.00		45.41		59.68		68.23		81.61		91.77		92.87		88.55		87.60		71.61		46.37		36.74		68.20
1957	37.81		47.32		57.39		63.20		71.77		86.90	a	89.74		87.19		80.90		65.61		46.63		44.13		64.88
1958	40.39		50.21		51.74		64.73		82.42		90.67		92.55		92.74		80.97		70.81		53.43		48.06		68.23
1959	43.13		48.21		57.23		69.60		78.71		91.33		94.42		87.65		78.40		65.94		52.87		41.77		67.44
1960	35.10		38.69		57.68		70.10		77.71		89.77		95.03		91.61		83.17		66.16		55.17		37.81		66.50
1961	40.94		49.89		56.23		66.20		80.10		91.27		92.48		89.29		72.90	a	67.57	a	49.70		34.32		65.91
1962	34.97		49.21		54.42		72.80		77.26		86.97		91.00		90.71		81.77		70.00		57.07		42.48		67.39
1963	27.29		50.93		56.94		68.77		82.74		85.87		94.19		86.10		83.53		74.06		55.90		41.13	a	67.29
1964	38.68		43.28		50.90		64.33		77.71		85.10		94.58		86.13		79.27		72.87		48.30		39.97		65.09
1965	42.61		47.11	a	51.87		65.27		74.83	a	82.90		89.84		88.84		74.27		70.77		57.38	a	44.06		65.81
1966	38.35		42.79		61.84		69.79	a	81.50	a	87.67		94.19		90.65		82.83	a	67.87		56.67		39.74		67.82
1967	38.29		49.64		63.71		67.37		74.58		81.80		91.03		88.84		81.33		71.35		55.17		32.68		66.32
1968	32.87		48.24		58.97		61.10		73.32		86.20		89.97		82.32		79.67		71.39		50.17		40.52		64.56
1969	44.26		45.14		53.77		72.33		83.26		82.67		93.77		93.55		83.40		60.77		55.07		45.87		67.82
1970	43.35		57.21		53.94		61.90		80.84		86.27		93.07	b	92.61		79.43		63.61		55.17		46.65		67.84
1971	42.97	b	48.46		59.84		68.83		75.71		90.00		94.13		92.32		80.83	a	68.61		52.30		36.00		67.50
1972	45.71		56.79		68.03	a	71.30		79.27	a	87.97		95.17	a	90.57	a	81.41	a	-----	z	46.37		-----	z	72.26	b
1973	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1974	29.87		36.71		63.13		65.70		83.26		92.43		92.06		90.52		83.37		72.06		55.30		41.19		67.13
1975	32.67	a	46.32		-----	z	-----	z	-----	z	-----	z	91.77		88.48		81.27		71.90		51.43		42.94		63.35	d
1976	36.48		52.82	a	56.93	a	67.57		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	56.67		45.61		52.68	f
1977	38.39		52.75		54.13		71.00		76.52		93.40		92.35		90.55		83.23		72.19		54.73		47.39		68.89
1978	-----	z	46.96		60.84		66.50		73.06		88.80		94.48		91.48		83.30		73.00		54.40		-----	z	73.28	b
1979	28.41	b	-----	z	53.71		66.33		74.06		85.57		93.45		88.97		88.90		74.29		46.90	a	42.68		67.57	a
1980	42.39		51.76		53.13		65.77		72.00		91.27		94.45		90.71		84.33		67.58		55.87		52.77		68.50
1981	51.97	a	53.11		56.87		75.27		74.74		92.50		94.19		90.81		84.37		67.23		58.63		45.77	a	70.45
1982	41.32	c	46.56	a	57.77		66.00		76.17	a	87.07		92.68	f	88.26		78.00		67.00		49.77		42.97		63.72	a
1983	45.94		51.74	a	53.74		59.30		71.68		82.04	d	89.87		92.06		85.10		71.90		52.57		38.19		66.18
1984	33.29		43.79		53.61		61.87		77.73	i	86.20	t	92.26		89.90	a	84.20		60.38	b	56.47		46.32		62.21	b
1985	42.03		45.04		56.34	b	70.32	b	76.69	b	90.52	e	92.41	d	-----	z	78.83	g	70.93	d	55.31	a	45.54	c	64.51	b
1986	50.68		55.11	a	66.00	c	69.19	d	78.44	d	89.31	d	88.89	c	91.20	a	77.27	d	66.62	b	53.17	l	46.57	a	70.84	a
1987	41.40	f	49.28	c	56.74	d	73.68	b	77.53	a	89.11	c	-----	z	89.61	c	82.90	a	74.30	a	56.00	a	43.46	g	72.13	c
1988	34.86	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.86	j	34.86	k
1989	-----	z	48.92	o	63.11	c	73.17	a	80.43	c	78.07	a	95.68	c	83.10		74.83	a	72.03	a	59.80	j	43.17	h	77.55	d
1990	42.97		51.68		60.81		69.77		75.52		93.73		92.39		90.55		85.03		69.67	a	53.28	a	32.70	a	68.17
1991	27.77		43.64		53.29		63.23		76.71		85.27		90.00		88.81		81.87		71.45		48.17		32.13		63.53
1992	30.45		47.03		58.73	a	72.20		77.90	a	85.03		87.10	a	91.27	t	82.63		74.06		45.17		37.84		63.47	a
1993	43.65		46.18		58.45		63.10		74.81		84.70		86.74		80.65		75.53		60.77		43.50		37.81		62.99
1994	40.03	a	39.68		57.06		61.77		73.81		91.90		93.81		91.52		82.20		66.65		49.93	b	43.26		65.97
1995	43.52		57.36		57.83	a	63.13		68.42		81.57		87.94		91.06		82.20		69.26		58.73		47.87		67.41
1996	39.10		51.55		57.83	a	66.10		80.47	a	87.59	a	92.81		92.07	a	79.00	d	66.46	c	54.93	c	42.81	d	67.56
1997	40.74		46.07	a	62.13	a	61.24	a	76.97	b	86.12	d	89.89	l	89.00	f	81.26	c	70.79	c	51.04	g	40.65	h	65.66	d
1998	47.74	h	47.65	h	54.88	e	61.53	m	-----	z	83.50	d	92.74	d	93.94	m	87.17	r	71.00	m	56.37	k	37.96	h	77.04	i
1999	42.64	c	49.41	f	65.03		62.46	b	70.93	d	85.72	a	90.52	f	85.68	c	77.32	b	71.97	a	59.86	b	42.17	a	66.38	b
2000	39.58	g	49.88	d	55.75	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	49.88	k
2001	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	38.62		47.01		57.42		67.65		77.48		87.79		93.09		90.14		82.43		69.91		53.41		40.56		67.16
S.D.	5.51		5.40		4.12		4.12		3.64		3.29		2.69		2.81		3.38		3.54		4.20		5.00		1.79
SKEW	-0.08		-0.37		0.42		0.02		-0.26		-0.13		0.22		-0.74		-0.34		-0.33		-0.20		-0.18		0.30
MAX	51.97		57.64		68.19		78.00		84.26		95.50		100.97		96.68		90.30		79.16		63.03		52.77		72.22
MIN	27.29		30.21		48.06		57.93		67.29		78.07		86.74		80.65		72.90		60.38		43.50		29.03		62.99
YRS	99		99		100		99		99		98		98		98		100		98		97		95		76