DELTA, CO

Average of Average 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	23.89		30.17	b	38.69		49.35		57.68		67.78		74.82		71.03		60.72		48.63		36.71	a	32.21		49.31
1894	24.06		23.44	a	41.76		50.32		62.39		66.57		75.76		73.73	i	60.00		49.50		37.38	a	30.95		47.47	a
1895	28.58		27.98		41.63		52.18		60.35		65.38		73.02	a	74.02		66.38	a	54.05	c	34.72		18.87	a	49.76
1896	29.24		32.67	b	41.92		53.88	b	64.74	h	72.80	j	-----	z	64.64	q	55.93	b	-----	z	-----	z	23.00		39.44	f
1897	22.89		29.34		37.07	b	51.72		62.82		69.12		73.65		73.35		66.75		50.45		38.32		22.10	b	49.80
1898	17.63	a	30.98		37.94		53.76	a	58.00		70.47		77.42		74.23		61.65		47.84		35.63		20.55		48.84
1899	21.65		29.07		43.35		50.60		57.47		65.84	k	74.10		70.52		65.27		50.23		42.95		25.35	a	48.23	a
1900	32.35		34.11		46.50		50.97		62.35		71.22		75.81		71.79		61.28		51.87		39.28		29.66		52.27
1901	27.81		36.96		39.56		51.17		62.06		67.80		77.31		74.66		63.68		53.26		40.15		29.76		52.02
1902	27.95		33.16		37.37		52.08		59.71		69.21	a	69.48		72.45	a	61.47	a	50.05		38.03		20.69		49.30
1903	15.84		16.05		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	15.95	j
1904	-----	z	-----	z	-----	z	52.08	f	58.77		64.98		71.19		70.07	a	61.20	h	47.73		-----	z	-----	z	62.55	g
1905	-----	z	-----	z	-----	z	-----	z	57.68	a	69.63		73.50		72.32		64.93		48.35		40.38		22.53		56.17	d
1906	22.87		36.46		41.68		51.65		59.26		66.91	a	73.28	a	72.08		62.98		-----	z	-----	z	-----	z	54.13	c
1907	-----	z	41.38		45.94		51.87		54.53		65.00		74.02		71.87		63.32		55.53	a	38.57		29.95		53.81	a
1908	29.47		37.07		43.39		50.85		55.40		65.45		73.65	a	70.65		62.57		47.69		35.58		26.52		49.86
1909	31.24		31.71		41.75	a	48.33		55.56		69.07		75.10	a	74.06		63.88		54.79		42.23		17.35		50.42
1910	25.08		32.07		48.34		52.87		60.48		70.07		75.84		72.37		66.02		50.69		44.40		27.65		52.16
1911	30.71		38.25		45.50		50.83	a	59.79		67.30		71.35		70.23		65.17		48.69		34.27		22.47		50.38
1912	26.10		31.38		41.15		44.09	a	57.63		67.23	q	71.40		70.15		56.05		46.71		36.53		19.94	o	48.12	b
1913	15.06		29.77		37.05	a	50.00		61.63	a	66.78		76.45		73.21		61.82		48.74		41.83		21.26		48.63
1914	25.47	a	31.39		43.03		52.23		60.77		67.02		72.92		71.55		64.57		51.10		39.00		22.39		50.12
1915	18.24		32.57	a	41.24		54.12		55.94		66.05		74.10	a	70.24		62.30		50.90		38.55	a	29.71		49.50
1916	21.97		29.71		42.55	u	50.57		56.82		66.48		72.79		69.00		61.38	a	49.97		35.98		25.98		49.15	a
1917	18.65		29.30		33.35		46.22		53.00		64.68		74.45		68.52		62.10		49.66		42.25		33.89		48.01
1918	19.42		28.77		46.35		47.50		57.44		73.03		71.42		69.58		61.48		54.17	a	35.32		25.61		49.17
1919	16.97		30.79		40.37		51.60		61.47	a	68.21	a	75.05		71.65		64.95	a	47.63		35.87		17.64	b	48.51
1920	20.13		34.62		39.50		44.10		59.73		66.43		72.76		68.94		60.65		50.15		39.18		26.74		48.58
1921	30.95		36.25		45.53		48.40		59.74		68.65		73.61		70.89		63.86	a	55.08		42.45	a	36.40		52.65
1922	26.42		32.09		40.61		47.35		58.68		70.78		73.02		73.76		64.80		51.19		37.67		33.53		50.82
1923	33.45		32.62		37.84		50.43	a	59.08		66.10		74.37		69.34		60.20		49.15		38.97		27.85		49.95
1924	15.47		36.52		36.97	a	50.30	b	59.52		69.47		72.05		69.76		60.93		51.77		39.23		22.31	b	48.69
1925	15.79		32.34		44.25	a	-----	z	62.37		66.98		73.55		68.27		63.00		50.75	a	36.15		30.39		49.44	a
1926	26.15		37.77		42.85	a	54.18		60.74		68.29	b	71.05		72.02		62.90		53.28	a	40.50		28.97		51.56
1927	31.29		36.29	b	39.89		51.72		60.30	a	67.45		71.63		68.90		62.87		52.32		42.83		25.98		50.96
1928	30.81		34.12		45.24		48.03		61.60		65.23		71.61		69.79		64.25		52.66		40.08		24.76		50.68
1929	19.85	a	24.32		39.15		47.78		58.37		67.60	a	74.68		71.85	a	61.28		51.52		33.43		29.68		48.29
1930	18.21		31.27		41.26		55.52	a	57.85		67.38		73.37		71.60		62.76	a	50.24		31.80		16.13		48.12
1931	21.31		37.21		39.47		51.88		58.52		70.25		75.81		71.77		64.87		53.47	a	34.15		18.91	c	49.80
1932	19.92		36.91		39.95	a	51.43		61.00		66.40		74.11		71.35		62.78		50.45		36.62		21.90		49.40
1933	19.84		20.62		42.24		46.57		56.32		71.68		76.37		71.85		66.68		55.18		38.58		32.24		49.85
1934	32.16		41.29		49.08		56.93		65.76		68.42		77.76		74.92		63.18		53.82		39.90		29.71		54.41
1935	31.27		34.79		41.29		51.95		59.02		69.87		75.82		73.05		65.10		52.34		37.65		27.78	a	51.66
1936	27.85		35.71		44.13		53.62		62.89		71.77		75.90		73.45		63.70		52.18		35.62		29.52		52.19
1937	16.56		32.38		42.73		51.02		63.29		68.32		75.39		74.37		65.77		53.52		41.32		31.05		51.31
1938	28.05		-----	z	43.65		51.85		59.19		69.81	a	72.44		73.47		65.50		53.24		31.03		26.74		52.27	a
1939	24.88	a	23.59	a	42.98	a	54.62	a	63.05		68.78		75.65	h	73.87		66.88	b	52.19		39.68		31.65		49.29	a
1940	27.31		36.52		44.74		52.27		64.24		72.47		76.35		73.27		66.22		53.47		36.38		29.06		52.69
1941	28.84		37.54		43.61		49.15		62.52		66.38		73.67	a	72.58		62.47	a	52.90		38.18		31.98	a	51.65
1942	25.29		27.70		38.10		53.43		59.27		68.65		76.10		73.23		64.38		54.37		41.52		31.79		51.15
1943	29.92		36.32		41.76		57.78		60.10		68.53		76.16		72.94		66.37		54.55		38.53		31.18	a	52.85
1944	25.37		34.95		40.27		48.02		61.79		66.90		73.94		73.37		66.48		56.89	h	39.98		28.55		50.87	a
1945	28.27		37.86		40.37		46.52	a	62.40		64.72		75.00		74.76		64.80		55.55	a	38.33		24.71		51.11
1946	25.23	a	33.73		44.92		56.97		58.02		69.63		75.02		73.31		64.87		50.77		37.07		31.84		51.78
1947	24.52		36.21		44.08		51.52	a	63.48		66.18		74.87		71.61		65.52		56.16		35.60		29.76		51.63
1948	23.56		29.10		37.29		52.67		62.68	a	68.45		73.82		71.61		66.68		52.37		32.70		31.15		50.17
1949	21.03		26.25		43.29		53.68		60.65		67.73		75.45		72.79		66.17		50.45		40.28		29.19		50.58
1950	26.50		35.30		41.65		53.17		58.31		68.70		73.76		70.90		63.92		57.47		40.23		32.60		51.87
1951	27.13		32.09		40.65		50.82		60.27		65.07		74.29		70.31		62.88		51.03		34.40		24.69		49.47
1952	28.74		30.95		37.47		51.33		61.73		69.98	a	73.34		71.32		64.62		52.87		32.15		24.66		49.93
1953	31.95		31.57		42.31		47.72		54.87		70.88		74.34		68.56		63.62		50.82		38.58		23.82		49.92
1954	30.31		37.36		38.95		54.17		62.42		69.37		77.16		70.89		64.30		53.03		40.30		23.98		51.85
1955	26.02		24.11		40.15		48.72		59.21		67.00		74.79		73.95		65.02		52.60		35.93		34.08		50.13
1956	35.31		30.59		40.02		50.13		61.23		69.80		72.63		69.06		64.62		52.48		30.90		21.84		49.88
1957	27.26		34.12		41.98		48.00		55.34		66.81	a	71.71		70.90		60.23		51.13		34.28		29.92		49.31
1958	25.17	a	36.64		37.85		46.98		63.19		70.83	a	72.32		73.66		63.83		52.02		38.64	a	32.90		51.17
1959	29.03		35.29		40.66		51.68		61.52		71.80		75.21		70.98		61.53		49.89		36.18		29.97		51.15
1960	24.15		28.76		42.65		52.07		59.23		69.57		74.29		71.53		65.07		50.97		39.60		25.03		50.24
1961	24.24		35.21		42.63		49.90		61.90		70.97		73.31		72.77		57.95	a	51.53	b	36.32		22.63	a	49.95
1962	21.76		37.30		38.16		54.50		60.02		67.73		71.65		70.89		63.40		52.98		41.97		29.05		50.78
1963	15.37		36.93		41.18		51.30		63.44		67.25		74.98		71.19		65.33		56.79		41.02		26.78	a	50.96
1964	23.45		27.29		35.61		48.82		59.82		66.07		74.82		69.53		61.68		53.16		35.87		29.60		48.81
1965	31.76		32.89	a	37.66		49.52		57.80	a	64.93		72.19		69.94		58.82		51.94		43.59	a	32.32		50.28
1966	24.89		29.29		42.40		51.12	a	62.40	a	69.15		76.15		72.03		64.38	a	50.44		41.95	a	27.92		51.01
1967	26.97		34.52		47.31		50.58		57.69		64.98		73.52		71.02		64.47		52.94		39.07		22.26		50.44
1968	19.35		36.10		41.94		45.62		57.10		66.95		73.16		66.90		60.33		51.15		35.98		23.98		48.21
1969	31.50		31.71		36.61		50.77		61.71		63.03		73.26		72.73		63.40		45.73		36.95		32.26		49.97
1970	29.23		37.36		39.00		44.05		59.84		66.73		72.67	b	72.37		60.02		46.22	a	39.42		31.24		49.85
1971	27.17	b	31.95		39.52		48.28	a	56.82		68.07		73.47		73.66		59.62	a	50.68		37.36	a	24.69		49.27
1972	28.94		35.21	a	45.95	b	51.53		58.02	a	68.38		72.68	a	71.52	a	61.90	a	-----	z	35.28		-----	z	52.94	b
1973	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1974	17.57	a	19.59		45.65	a	47.73		61.63		68.90		73.48		69.05		61.55		53.65		38.67		26.05		48.63
1975	18.10	a	31.20	a	-----	z	-----	z	-----	z	-----	z	72.60		68.52		61.07		49.31		35.45		27.19		45.43	d
1976	21.10		38.21	a	38.90	a	49.50		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	38.13		27.08		35.49	f
1977	24.60		34.50		37.69		53.15		60.13		73.17		75.31		71.85		64.67		53.06		39.13		33.66		51.74
1978	-----	z	35.50		47.00		52.45		57.15		68.87		73.03		69.95		62.60		52.15		40.10		-----	z	55.88	b
1979	17.79	b	-----	z	40.13		49.72		58.84	b	67.32		73.45		69.89		65.38		53.97		32.84	a	27.26		50.60	a
1980	32.29		37.84		40.19		49.47		57.50		70.28		75.55		72.34		64.62		50.08		39.40		38.37		52.33
1981	34.68	a	34.48	a	42.60		56.25		59.44		72.10		76.44		73.06		67.10		52.65		42.40		32.62	a	53.65
1982	28.76	d	33.04	a	44.58		49.70		60.03	a	68.38		73.76	f	73.39		63.77		48.65		38.34	a	31.08		49.07	a
1983	31.19		37.87	a	42.65		47.63		56.40		64.96	d	72.95		75.31		66.73		53.85		40.53		30.40		51.71
1984	20.65		30.16		40.72	a	47.97		59.00	i	72.90	t	75.35	a	71.78	a	66.48		49.02	b	41.02		33.47		47.66	b
1985	31.00		31.25		42.86	b	53.27	b	61.88	b	70.36	e	74.65	d	-----	z	62.67	g	54.07	d	42.67	a	31.82	c	49.38	b
1986	34.00	a	40.20	a	47.61	c	52.83	d	59.96	d	69.79	d	70.43	c	71.62	a	60.60	d	51.21	b	39.59	m	33.14	b	53.76	a
1987	29.74	f	37.44	c	39.59	d	53.71	b	60.45	a	69.22	c	-----	z	70.39	c	61.64	a	53.15	a	40.12	a	30.87	h	53.97	c
1988	22.38	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	27.12	k	22.38	k
1989	-----	z	32.46	o	44.62	e	52.93	a	58.88	c	61.67	a	73.17	d	64.27		55.05	b	54.31	d	42.17	l	26.87	h	58.11	d
1990	27.82	a	33.86		44.68		52.95		57.48		70.70		72.92		69.68		66.38		51.68	a	38.86	a	19.62	a	50.55
1991	14.77		29.05		40.81		47.62		59.95	c	67.82		72.68		72.32		63.55	a	52.39		37.00	a	22.48	a	48.37
1992	16.88	b	34.76		44.83	a	55.75		62.58	a	67.93		70.78	a	73.86	t	63.82		55.22	b	34.03		26.31		48.45	a
1993	33.39		36.82		43.87		49.07		59.76		67.19	a	68.94		65.08		57.12	b	45.53		29.65		24.61		48.42
1994	25.32	a	28.46	a	40.40		46.98		57.21		72.67	a	74.85	a	74.59	b	64.22		51.18	a	38.22	c	31.87	a	50.50
1995	33.05		41.41		44.95	a	48.95		55.37		65.18		70.89		74.40	a	64.53		50.40		42.25		33.94		52.11
1996	27.48		37.70	a	43.02	a	49.97		62.97	a	69.64	a	75.13		73.40	a	62.10	e	50.07	c	41.44	f	31.19	d	52.97	a
1997	30.82		33.56	b	44.27	a	46.40	e	60.93	b	68.94	d	71.84	l	72.19	g	65.57	c	52.12	c	38.13	g	28.09	i	50.33	d
1998	35.20	h	35.40	h	40.96	f	47.84	n	-----	z	65.75	d	76.04	g	73.92	m	70.36	s	52.85	n	41.58	l	23.76	j	65.75	k
1999	31.33	d	34.88	g	47.40	a	48.39	b	55.93	d	67.23	b	74.72	f	71.11	c	60.88	b	50.53	b	40.62	b	28.31	b	50.17	b
2000	27.60	g	38.02	d	43.56	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	38.02	k
2001	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	25.39		33.02		41.75		50.72		59.69		68.16		73.87		71.56		63.23		51.63		38.07		27.62		50.44
S.D.	5.35		4.65		3.09		2.85		2.46		2.24		1.78		2.04		2.53		2.39		3.07		4.61		1.39
SKEW	-0.28		-0.97		0.03		-0.03		-0.21		-0.04		-0.21		-0.78		-0.91		-0.20		-0.41		-0.35		0.34
MAX	35.31		41.41		49.08		57.78		65.76		73.17		77.76		75.31		67.10		57.47		44.40		38.37		54.41
MIN	14.77		16.05		33.35		44.05		53.00		61.67		68.94		64.27		55.05		45.53		29.65		16.13		48.01
YRS	99		99		99		99		99		98		96		97		100		98		96		95		75