BURLINGTON, CO

Average of Average Temperature (Degrees Fahrenheit)

(051121)

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
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	33.63		33.63	k
1904	27.32		34.36	a	42.15		47.60		56.60		63.34	b	70.35		69.53		64.43		52.94		42.64	b	32.24		50.29
1905	25.40	b	22.39	f	43.88	a	45.63	c	55.09	b	69.07	b	69.33	a	73.85	a	66.46	b	46.84		42.19	c	30.35	a	51.64	a
1906	33.78	a	32.94	a	27.05	b	49.35	g	56.71		64.52		68.87	d	70.95	b	64.36	b	49.66	c	37.18		37.37		49.40	a
1907	30.13	a	37.21		46.55	b	44.80	b	52.62	a	66.68		74.71		73.24		65.09	b	-----	z	-----	z	-----	z	54.56	c
1908	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	72.58	r	72.44		68.13		50.02	e	36.84	a	25.08		50.50	g
1909	27.29		32.54		37.71	b	44.60		55.57	a	66.65		73.48		75.47		-----	z	53.34		42.02	a	17.35		47.82	a
1910	27.53		29.21		51.50	c	53.06	l	55.71		69.93		76.60		70.11		65.93	a	57.00		43.33		33.74		52.78	a
1911	35.44		30.54		45.27		48.65		60.83	b	73.65		74.13		72.21		68.85		47.55	a	36.00		26.03	b	51.60
1912	21.94		30.24		26.32	a	47.27		60.00		64.98		72.66		70.53		58.30		51.05		41.62	a	30.84		47.98
1913	27.02		22.70		35.71		50.72	a	61.28	a	68.28		76.03		77.53	a	61.28		48.90		44.30		22.90		49.72
1914	31.26		28.64		39.24		49.27		58.76		71.82		74.27		73.65		68.25		54.50	b	45.23		21.50		51.37
1915	26.07	a	35.29		29.58		52.65		54.42		65.44	l	69.24		66.58	f	62.85		55.45		43.63		30.77		46.00	b
1916	21.37		35.47		45.50	a	47.38		57.87	a	67.62		77.84		72.16		62.86	a	50.32		37.02	a	23.68		49.92
1917	26.47		32.91		34.50	a	44.40		51.68		66.65		76.21		69.53		65.33		48.02		45.43		30.42	a	49.30
1918	21.92		34.70		45.87		42.67		60.50		73.25		74.09	d	75.15		59.68		56.11		37.17		29.89		50.92
1919	25.08		25.77	b	39.55		48.73	d	58.61		67.17		75.89		76.06	e	69.22		48.15		34.56	d	29.48	c	49.85
1920	32.87		32.97		40.47		41.66	a	57.82		67.90		73.55		68.90		65.00		55.15		37.73		31.47		50.46
1921	33.95		37.41		47.65		50.40		62.59	c	73.43		77.50	k	73.31	g	-----	z	58.15		44.83		32.81		49.02	c
1922	26.37		32.98	c	38.24		-----	z	-----	z	73.18	h	72.89	m	75.46	f	72.62	q	52.42	f	40.02		32.48	a	34.02	g
1923	36.18		28.32		34.88	a	48.53		55.66		70.21	i	73.53		70.53	b	63.50		46.84		41.65		28.50	b	48.01	a
1924	27.43	b	36.65	b	28.10	b	48.28		52.95		69.25		73.16		74.73		61.10		55.87		41.55		19.93	a	49.08
1925	21.32		38.82		43.45	a	52.92		60.42		71.72		76.47		72.80	k	67.07		46.68		41.63		34.66		50.47	a
1926	29.57	b	38.36		39.16		46.36	a	61.69		67.75		73.61		74.50		62.98	c	55.18		39.70		27.05		51.33
1927	30.56	d	35.16		35.44		49.83		62.50		65.35		72.26		68.26		65.85		56.38	a	42.83	a	25.38	a	50.82
1928	33.89		31.03		40.03	a	45.60		59.17	b	61.46	b	71.85		71.26		63.37		52.47		39.25	b	30.02		49.95
1929	23.33	a	18.91		40.35		49.23		56.15		66.38		75.85		74.73		60.42		52.90		30.59	b	35.37		48.69
1930	16.81		42.23		-----	z	54.27		56.65		66.39	b	75.03	a	73.41	b	65.57		51.34		38.03		27.23		51.54	a
1931	31.24		37.91		36.34		47.52		55.35		72.07		77.11		71.82		70.08		55.81		38.72		31.48		52.12
1932	26.89		38.72		33.52		51.87		61.56		68.91	a	77.07	b	75.29		64.42		50.74		41.17	a	23.52	b	51.14
1933	34.55		26.33	b	42.71		48.32		59.84	f	75.30		77.02	f	71.18	a	67.90		55.13		43.35		40.73		50.55	b
1934	37.90		36.89		43.63	a	53.54	b	67.15	a	73.00		80.52		76.40		62.77		57.90		43.80		34.03	a	55.63
1935	36.34		37.39		45.10		47.92		53.00		67.65		78.07	b	75.82		65.03		53.24		37.25		33.45	a	52.52
1936	28.65		22.39	a	42.63	a	50.32		62.93	a	73.12		79.69		74.95	c	65.80		47.35	a	37.54	g	33.68		52.86	a
1937	17.55		32.34		36.03		49.43		60.55	a	67.64	a	77.55	a	78.48		68.17		54.40		38.46	b	30.11		50.89
1938	33.08		36.14		45.31		49.90		57.79		68.80		74.35		76.71		67.61	c	59.87		37.68		34.27		53.46
1939	34.18		26.02		40.94		50.55		63.35		69.75		77.69		74.00	b	69.93		54.83	b	42.15		38.13		53.46
1940	18.24		34.72		41.82		49.82		60.00		70.67		76.94		71.93	a	66.97		57.37		37.50		34.84		51.73
1941	32.15		33.89		38.18		48.53		62.16		67.02		74.12	a	73.84		64.32		52.95		44.14	a	32.44		51.98
1942	24.02		26.80		38.81		53.38		58.48		67.63		75.50		72.84	c	62.58		53.81		44.26	c	36.04	g	52.56	a
1943	32.55		40.39		36.97	a	55.71	b	55.34		68.57		76.47		77.16		64.67		53.03		42.72	a	32.90		53.04
1944	32.05		31.62		35.95		43.12		61.79		69.15		73.61		73.37		65.22		55.10		40.78		30.26		51.00
1945	30.42	a	34.30		45.56		44.97		57.50		62.62		73.87		73.48		64.02	a	55.07	a	44.33		29.18		51.28
1946	32.75	a	37.54		44.82		57.13		53.38	w	72.16	n	76.27		72.42		65.45		50.87		32.70		36.66		50.66	b
1947	31.15		29.93		36.07	a	47.10		56.98		64.87		75.24		76.94		69.28		57.86	j	35.70		31.34		50.42	a
1948	28.66		27.93		30.48	d	54.83		60.35		68.03		73.95		73.50	a	68.43	a	54.04	e	35.48	e	30.63	e	50.53
1949	17.54	f	31.30	c	38.85	e	50.08		59.77	a	68.38		75.27		71.68	a	63.90	d	50.63	a	47.12		33.87		53.71	a
1950	28.68		38.66		37.89		49.17	c	55.65		70.13		70.56		68.60		61.75		57.85		38.98		35.67	a	51.13
1951	28.35	d	34.95		35.55	a	45.57		59.45	b	61.93		72.21		71.56		61.86	a	50.53		36.60		28.08		48.89
1952	33.27		35.05		35.35		48.23		57.47		75.73		75.08		74.65		66.47		52.13		35.18		29.39		51.50
1953	38.77		33.07		43.55	a	45.27		56.28	a	73.87		75.02		71.35		67.07		55.12	a	41.42		29.56		52.53
1954	30.48		44.11		36.40		54.67	a	56.32		73.78		79.89		75.12	a	70.10		52.37	d	44.52		35.13		54.41
1955	28.82		29.77		39.69		52.83		61.52		64.30	b	77.94		75.97		66.10		56.16		36.25		31.82		51.76
1956	31.34		29.12		40.35		46.63		62.68		74.02		72.18		70.44		65.77		56.67	a	37.93	b	35.57	a	51.89
1957	23.34	b	37.33	a	38.03		45.15		54.81		66.83		75.97		72.13		60.73		49.40		36.48	a	36.81		49.75
1958	32.27		33.07		28.63	a	45.24	a	61.48	a	67.57	a	68.71		72.98		66.53		52.88	a	-----	z	34.11		51.23	a
1959	30.11		28.30		41.37		49.62		58.15		71.57		73.47		74.77	c	62.90		48.81		37.79	a	35.90		51.06
1960	25.61		19.74		32.87		51.65		57.95		67.43	a	73.90		75.11		66.20		54.39		42.13		31.08		49.84
1961	32.21		36.34		41.53		45.91	b	56.37		69.38		74.42		72.60		57.90	a	51.77		37.03		27.81		50.27
1962	24.76		35.18		38.00		51.57	a	-----	z	-----	z	74.48	a	74.47		63.78		56.40		-----	z	36.58		50.58	c
1963	20.42		38.75		-----	z	52.90	a	63.32	a	73.05		80.48		75.08		68.67		62.60		44.48		28.69	e	55.31	a
1964	34.74		30.00		37.33	b	49.05		61.40		68.53	a	78.40	a	72.02		65.69	a	54.68		42.05	a	33.53		52.29
1965	36.27		32.04		30.52		54.36	a	62.32		67.34	a	75.19		71.48	a	55.93		57.33	b	45.77	b	37.08	a	52.14
1966	24.48		29.16		44.92		48.45		62.23	a	69.17	a	78.38	a	70.38	a	64.29	b	53.92	a	43.08		31.40		51.66
1967	35.70	a	37.32		45.56		51.39	b	56.47	a	67.77	b	73.37	a	70.61		63.82		55.13		40.91	a	27.40	a	52.12
1968	32.30	a	35.96	a	43.67	a	48.23		55.60	a	72.03	a	73.44		70.77		63.79	a	56.30	a	39.25		27.98	a	51.61
1969	33.26		34.54		32.77		52.90		60.47	a	65.40		76.19	b	73.82		66.20		44.65	a	40.93		33.73		51.24
1970	30.98	a	38.75		34.08		47.18		62.23		68.75		76.53	a	76.63		62.47		48.31		41.13		34.03		51.76
1971	30.87	a	31.04		40.87	a	49.97		56.89		72.02		71.73		73.42		63.25		53.71		40.22		33.47		51.45
1972	31.36	b	37.00		46.77	a	-----	z	59.52	a	70.77		72.26		70.35		64.78		-----	z	32.83		23.82		50.95	b
1973	29.13		35.39		-----	z	46.38	a	58.00	b	69.31	a	73.00	b	75.87		60.97		56.73		39.96	b	32.09	d	52.44	a
1974	25.87	a	38.85	b	45.13		51.90		63.40		69.83	a	77.63		69.52		61.47		55.95		40.68		-----	z	54.57	a
1975	31.72	a	31.76	a	-----	z	49.78		58.48	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	35.55	b	41.46	g
1976	32.88	a	41.50		41.27	a	51.55		58.50		69.72		-----	z	73.73	a	63.68	b	48.70	a	38.53		34.96	c	50.46	a
1977	25.18	a	38.61		39.75	a	53.53	a	63.62	k	-----	z	76.79	b	73.34		69.77	b	57.03	a	41.23	b	33.58	a	50.88	b
1978	22.20	d	24.66		-----	z	52.46	c	59.47	a	70.78		76.86	b	70.65		66.93		52.79	b	37.15		24.19	g	53.40	b
1979	16.00	b	31.30		41.13	a	48.81	c	56.76		69.17	d	75.41	c	70.80	c	66.90	f	54.21	c	33.78	a	36.77	a	48.56	a
1980	24.33	a	34.94	b	35.37		46.60		57.23		72.93	a	79.03		75.79		67.37		53.32		42.33	g	36.87	e	53.07	a
1981	35.53	a	36.05		41.11		56.68		56.82		71.05		75.03	a	71.97		67.68		52.63		45.48	b	34.53		53.72
1982	27.57	c	29.27		42.06		48.05		58.44		64.20		74.87		74.63		64.47		52.39		37.52		31.90	a	50.45
1983	32.35		36.77		37.66	b	43.14	a	54.66		65.80	b	76.40		78.10	a	66.77		53.24		39.05	a	16.65	a	50.05
1984	26.98		34.45		36.27		41.98	b	59.26		68.48		75.18		75.33	a	63.92	f	48.60	f	41.87	c	34.04	d	49.38	b
1985	26.80	c	28.77	d	42.52	f	53.02	c	61.40	a	69.32	e	75.08	a	73.70	d	62.98	e	52.48	c	33.27	f	27.41	d	53.10	b
1986	40.85	a	34.86	c	48.06	g	51.94	e	59.67	e	71.19	c	76.37	h	72.62	f	64.10	d	52.64	f	41.35	f	32.97	b	50.80	e
1987	34.27	e	38.57	f	39.44	g	50.95	h	62.31	d	71.10	e	76.16	c	72.06	f	64.43		52.81	b	41.14	a	31.27	a	54.19	d
1988	25.52	a	33.21	a	39.24	b	49.88		61.66	c	73.12		76.07	a	75.19		64.57	b	53.34		41.72		34.84		52.36
1989	35.48		23.98	a	42.00		53.03	a	56.80	h	-----	z	-----	z	71.43	b	64.03	o	51.55		41.98		34.76	l	45.64	e
1990	32.57	b	30.55		40.33	a	50.38	a	55.24	j	74.19	a	73.07	a	73.16		67.10	e	51.08	g	42.63	k	22.40	e	51.53	c
1991	25.69	b	40.21		41.20	d	50.38	a	63.50	a	72.72	j	73.85		71.85		63.90		50.55	b	35.71	d	32.43	d	49.94	a
1992	31.90		38.91		44.82	l	53.24	e	59.95	a	65.07		70.59	c	68.14	c	65.15	c	53.21		32.84	a	22.55	b	51.05	a
1993	22.05	a	25.80	a	39.87	d	48.15	d	58.23	c	66.93	a	72.05	c	70.81		59.58	e	50.52	b	32.91	a	32.98	a	48.32
1994	30.56		27.00	c	44.10	a	46.54	c	61.47	a	73.11	b	72.63		75.27	c	66.26	a	52.93	a	37.00	b	35.72	b	51.88
1995	31.64	c	36.34		39.65		43.59	a	50.60		66.43	b	73.00	c	76.17	b	63.81	a	50.34		41.45	b	33.23	a	50.52
1996	27.48	a	35.63	b	34.14	b	48.67		61.77	a	76.43	c	75.50	k	71.19	g	61.14	a	51.90	b	35.85	d	31.10	a	46.41	b
1997	27.31		29.92	b	41.87	a	42.55		56.60	b	69.62	e	75.35		71.22	b	65.72		50.84		34.96	b	28.06		49.50
1998	31.60	a	36.05		36.85		47.05	a	63.32	a	68.06	c	75.95		72.31	d	69.76	a	53.24		42.66	a	30.98	a	52.32
1999	32.94		39.33	a	41.08	a	46.00		57.10	a	67.21	a	77.72	d	73.80	i	61.14	b	52.73	a	48.59	b	34.52	d	50.76	a
2000	32.68		39.29		41.84	b	50.42		61.13	a	69.65	j	77.25	a	77.21		65.06	c	52.73		31.43	a	26.52	a	50.50	a
2001	29.87	a	28.65	d	39.67	j	51.96	b	59.61		72.15		80.19		75.45	c	66.60		53.06		43.62		32.87		54.00	a
2002	31.23	a	32.46		33.82	a	51.46	b	59.62	f	75.30	b	78.52	d	75.18		65.05	a	46.35	d	38.43		34.84		51.15	a
2003	32.94		28.95		41.66		52.60		59.42		66.88		79.95		77.56		62.59	a	56.84		37.15		34.48		52.59
2004	32.21		30.84		45.68	i	50.03		61.90		67.05	a	72.45	a	70.11		67.00		53.00		38.03	a	34.48		52.47	a
2005	32.18		37.36		42.15		51.03	a	60.76		70.45		78.95	c	74.54	d	69.50		54.42		43.73		30.93	a	53.83
2006	38.02	a	32.23		40.48	f	53.27	d	63.12	e	72.43	w	78.17	k	72.15	a	59.21	i	44.94	m	41.22		30.80	a	47.26	e
2007	19.21	j	28.65	d	46.15	d	41.10	o	59.87	a	70.16	k	73.29	g	75.60		66.05	j	53.92	k	41.84	b	25.33	g	50.42	g
2008	26.89	l	30.80	a	41.73	p	-----	z	-----	z	-----	z	-----	z	-----	z	63.20		52.29		42.80		27.95		43.41	g
2009	32.68		38.50		40.60		46.22		58.56		67.23		72.34		70.76		61.62		42.11		43.38		24.24		49.85
2010	31.06		28.79		40.65		49.55		55.37		70.42		74.68		73.92		67.12		55.35		41.02		34.53		51.87
2011	28.94		27.96		40.81		48.87		55.23		69.63		77.74		76.06		62.77		53.39		40.31	a	30.87		51.05
2012	34.66		31.72		50.32		54.18		62.10		74.80		79.13		73.34		66.05		50.26		45.92		31.32		54.48
2013	31.13		31.77		37.08		43.15		59.66		71.68		73.40		74.11		68.10		50.69		39.80	e	34.65	k	52.78	a
2014	30.79		25.09		40.13		49.42		58.79		68.05		73.77		73.48		65.23		56.11		37.22		30.60		50.72
2015	31.60		33.55		44.95		51.15		55.71		71.92		74.92		74.44		71.47		56.45		40.52		33.00		53.31
2016	33.34		37.09		44.23	c	49.42		56.02		73.22		75.47		71.26		67.07		58.61		46.38		26.68		53.23
2017	29.24		40.18		46.45		49.72		57.50		70.88		75.85		69.65		64.10		52.13		43.22		31.42		52.53
2018	31.98		27.95		43.37		44.77		63.61		72.83	a	74.76		71.32		67.17		48.02		38.05		32.97		51.40
2019	31.66		25.09		35.45		51.42		53.71		68.48		76.40		74.55		70.75		47.03		38.63		35.05		50.69
2020	34.79		31.53		43.79		47.98		59.39		74.03		75.10		75.81		64.47		49.02		45.15		32.85		52.83
2021	32.10		24.04		41.82		46.90		57.18		72.03		74.94		74.94		70.60		56.06		45.45		38.24		52.86
2022	29.76		29.04		38.65		49.63		59.00		71.37		78.60		76.03		69.18		55.90		38.38		28.98		52.04
2023	26.63		28.89		35.98		48.57		60.23		67.98		75.23		75.81		70.48		54.55		44.23		36.39		52.08
2024	25.34		40.40		42.34		51.35	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.02	i
Period of Record Statistics
MEAN	29.68		32.90		39.72		49.18		58.83		69.41		75.13		73.34		65.16		52.93		40.16		31.30		51.41
S.D.	4.73		4.97		4.84		3.32		3.02		3.17		2.56		2.37		2.97		3.40		3.68		4.41		1.49
SKEW	-0.59		-0.35		-0.45		-0.07		-0.17		-0.06		-0.15		-0.09		-0.26		-0.35		-0.27		-0.95		0.15
MAX	40.85		44.11		51.50		57.13		67.15		76.43		80.52		78.48		71.47		62.60		48.59		40.73		55.63
MIN	16.00		18.91		26.32		41.66		50.60		61.46		68.71		68.14		55.93		42.11		30.59		16.65		47.98
YRS	117		118		107		112		110		106		108		110		111		110		111		114		72