BURLINGTON, CO

Maximum of Maximum Temperature (Degrees Fahrenheit)

(051121)

File last updated on April 16, 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	64.00		-----	z
1904	66.00		77.00		76.00		79.00		90.00		88.00	b	97.00		95.00		93.00		82.00		75.00	a	78.00		97.00	c
1905	63.00	b	64.00	e	74.00		81.00		83.00	a	95.00		97.00		99.00	a	91.00	b	95.00		75.00	b	65.00		99.00	m
1906	69.00		70.00	a	64.00	a	85.00	e	89.00		95.00		95.00	c	98.00	b	96.00	a	87.00	c	76.00		72.00		98.00	p
1907	65.00	a	74.00		89.00	b	86.00	b	94.00		96.00		101.00		99.00		96.00	a	-----	z	-----	z	-----	z	-----	z
1908	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	91.00	r	99.00		98.00		86.00		74.00	a	53.00		-----	z
1909	53.00		59.00		70.00	b	82.00		86.00		94.00		95.00		97.00		91.00		91.00		78.00	a	49.00		97.00	c
1910	65.00		69.00		85.00	c	93.00	l	89.00		100.00		104.00		96.00		94.00	a	88.00		78.00		64.00		104.00	p
1911	70.00		69.00		74.00		82.00		93.00	a	101.00		99.00		99.00		98.00		85.00	a	64.00		65.00	b	101.00	d
1912	55.00		53.00		56.00		77.00		94.00		91.00		99.00		98.00		93.00		84.00		78.00		60.00		99.00
1913	63.00		65.00		76.00		85.00	a	96.00	a	100.00		106.00		102.00		95.00		84.00		74.00		42.00		106.00	b
1914	50.00		69.00		72.00		85.00		90.00		97.00		100.00		103.00		96.00		86.00	b	78.00		53.00		103.00	b
1915	52.00	a	73.00		64.00		83.00		96.00		90.00	l	95.00		89.00	f	90.00		87.00		80.00		70.00		96.00	s
1916	65.00		67.00		80.00		84.00		94.00		100.00		100.00		99.00		95.00	a	85.00		79.00		72.00		100.00	a
1917	60.00		75.00		78.00	a	80.00		84.00		101.00		102.00		97.00		97.00		83.00		75.00		70.00		102.00	a
1918	65.00		74.00		78.00		72.00		92.00		102.00		102.00	d	103.00		98.00		90.00		77.00		68.00		103.00	d
1919	47.00		47.00	a	74.00		84.00	b	97.00		96.00		102.00		107.00	e	96.00		90.00		78.00	b	66.00	b	107.00	l
1920	72.00		62.00		80.00		81.00	a	93.00		97.00		103.00		92.00		98.00		91.00		72.00		70.00		103.00	a
1921	65.00		72.00		93.00		92.00		99.00	c	101.00		100.00	k	99.00	g	96.00		90.00		78.00		66.00		101.00	u
1922	65.00		70.00	b	72.00		-----	z	86.00		95.00		102.00	m	99.00	f	96.00		90.00	f	70.00		65.00	a	-----	z
1923	71.00		61.00		73.00	a	80.00		84.00		92.00	i	96.00		91.00	b	90.00		76.00		72.00		68.00	a	96.00	m
1924	59.00	a	74.00	a	59.00	a	90.00		89.00		102.00		101.00		101.00		92.00		88.00		72.00		63.00	a	102.00	d
1925	49.00		62.00		78.00	a	84.00		99.00		98.00		105.00		98.00	k	94.00		87.00		72.00		65.00		105.00	l
1926	65.00	b	65.00		74.00		82.00	a	92.00		97.00		101.00		100.00		96.00	c	90.00		70.00		75.00		101.00	f
1927	75.00	c	75.00		69.00		87.00		95.00		98.00		94.00		89.00		93.00		83.00		84.00	a	59.00		98.00	d
1928	72.00		64.00		76.00	a	77.00		91.00	a	88.00	a	97.00		97.00		95.00		90.00		70.00	a	69.00		97.00	d
1929	55.00		56.00		76.00		82.00		87.00		99.00		98.00		99.00		96.00		86.00		60.00	a	70.00		99.00	a
1930	65.00		72.00		-----	z	88.00		88.00		100.00	a	98.00		97.00	b	93.00		84.00		74.00		50.00		-----	z
1931	57.00		63.00		72.00		80.00		89.00		98.00		102.00		97.00		96.00		87.00		81.00		63.00		102.00
1932	58.00		78.00		72.00		85.00		89.00		98.00	a	100.00	b	96.00		92.00		85.00		74.00	a	70.00	b	100.00	f
1933	63.00		68.00	b	77.00		80.00		89.00	f	102.00		99.00	f	96.00	a	91.00		82.00		72.00		71.00		102.00	o
1934	70.00		72.00		78.00	a	91.00	b	94.00	a	99.00		103.00		101.00		94.00		93.00		78.00		68.00	a	103.00	e
1935	69.00		72.00		77.00		79.00		86.00		97.00		100.00	b	99.00		96.00		81.00		69.00		58.00	a	100.00	c
1936	63.00		71.00		77.00	a	83.00		92.00	a	104.00		104.00		102.00	c	95.00		77.00	a	67.00	f	63.00		104.00	l
1937	53.00		68.00		69.00		83.00		88.00	a	102.00		101.00		103.00		92.00		86.00		75.00	b	67.00		103.00	c
1938	63.00		71.00		75.00		86.00		93.00		96.00		102.00		106.00		91.00	c	91.00		72.00		68.00		106.00	c
1939	65.00		60.00		75.00		88.00		95.00		97.00		104.00		99.00	a	101.00		85.00	a	70.00		81.00		104.00	b
1940	52.00		69.00		81.00		84.00		89.00		100.00		104.00		96.00	a	92.00		87.00		76.00		70.00		104.00	a
1941	64.00		66.00		76.00		74.00		94.00		95.00		96.00	a	96.00		95.00		87.00		78.00	a	75.00		96.00	b
1942	52.00		56.00		73.00		84.00		95.00		92.00		100.00		95.00	c	92.00		90.00		75.00	c	62.00	g	100.00	m
1943	69.00		73.00		87.00	a	85.00	b	92.00		100.00		101.00		99.00		93.00		84.00		81.00	a	62.00		101.00	d
1944	65.00		60.00		74.00		69.00		93.00		95.00		95.00		99.00		95.00		85.00		71.00		60.00		99.00
1945	63.00	a	68.00		76.00		85.00		88.00		93.00		100.00		99.00		96.00		85.00	a	83.00		64.00		100.00	b
1946	63.00	a	70.00		85.00		86.00		88.00		103.00		99.00		99.00		96.00		87.00		61.00		69.00		103.00	a
1947	63.00		69.00		75.00		78.00		91.00		93.00		102.00		101.00		100.00		92.00	j	60.00		66.00		102.00	j
1948	70.00		68.00		68.00	d	89.00		92.00		92.00		94.00		98.00		99.00	a	86.00	e	73.00	e	62.00	d	99.00	s
1949	53.00	e	65.00	c	70.00	b	88.00		88.00	a	97.00		100.00		96.00	a	91.00	d	80.00	a	77.00		70.00		100.00	q
1950	71.00		72.00		80.00		92.00	c	91.00		100.00		95.00		90.00		89.00		91.00		75.00		67.00	a	100.00	d
1951	79.00	b	76.00		77.00	a	83.00		89.00	b	88.00		96.00		95.00		91.00		85.00		67.00		70.00		96.00	e
1952	64.00		65.00		70.00		83.00		92.00		112.00		102.00		99.00		98.00		84.00		75.00		54.00		112.00
1953	75.00		70.00		75.00	a	87.00		92.00	a	102.00		98.00		96.00		92.00		89.00	a	75.00		53.00		102.00	c
1954	65.00		77.00		73.00		85.00	a	95.00		107.00		107.00		104.00	a	99.00		92.00	d	78.00		65.00		107.00	f
1955	57.00		67.00		79.00		90.00		92.00		97.00	b	99.00		98.00		98.00		86.00		77.00		79.00		99.00	b
1956	74.00		65.00		82.00		85.00		95.00		100.00		99.00		100.00		97.00		88.00	a	71.00	b	64.00	a	100.00	d
1957	57.00	b	69.00	a	70.00		77.00		82.00		98.00		100.00		100.00		91.00		84.00		73.00		71.00		100.00	c
1958	65.00		76.00		65.00	a	80.00	a	90.00	a	100.00		93.00		95.00		97.00		92.00	a	-----	z	72.00		-----	z
1959	68.00		58.00		78.00		86.00		95.00		98.00		102.00		102.00	a	101.00		83.00		71.00	a	71.00		102.00	b
1960	59.00		45.00		80.00		85.00		90.00		95.00	a	103.00		103.00		102.00		90.00		77.00		71.00		103.00	a
1961	68.00		72.00		75.00		85.00	b	90.00		105.00		100.00		98.00		90.00	a	83.00		70.00		61.00		105.00	c
1962	68.00		82.00		83.00		89.00	a	-----	z	-----	z	98.00		104.00		92.00		90.00		-----	z	70.00		-----	z
1963	65.00		76.00		-----	z	86.00		93.00		107.00		106.00		99.00		96.00		91.00		76.00		67.00	d	-----	z
1964	71.00		56.00		73.00	a	84.00		95.00		95.00	a	102.00		99.00		97.00	a	88.00		74.00	a	78.00		102.00	d
1965	67.00		68.00		75.00		86.00	a	89.00		92.00	a	100.00		98.00	a	87.00		85.00	b	74.00	b	75.00	a	100.00	h
1966	59.00		54.00		78.00		76.00		90.00	a	96.00	a	100.00	a	96.00		92.00	a	85.00		75.00		65.00		100.00	d
1967	71.00		72.00		84.00		86.00	a	95.00		90.00	a	98.00		96.00		92.00		92.00		75.00	a	62.00	a	98.00	d
1968	67.00		67.00	a	84.00	a	81.00		89.00	a	102.00		98.00		95.00		92.00	a	90.00		74.00		65.00	a	102.00	e
1969	62.00		62.00		78.00		80.00		90.00	a	98.00		104.00	a	104.00		92.00		82.00	a	71.00		63.00		104.00	c
1970	72.00		77.00		71.00		83.00		93.00		102.00		99.00	a	104.00		93.00		86.00		75.00		68.00		104.00	a
1971	73.00		68.00		82.00		81.00		86.00		102.00		99.00		95.00		100.00		84.00		77.00		68.00		102.00
1972	64.00	a	80.00		83.00	a	-----	z	90.00	a	90.00		100.00		94.00		94.00		-----	z	64.00		58.00		-----	z
1973	60.00		60.00		-----	z	80.00	a	85.00	b	96.00	a	103.00	b	99.00		91.00		87.00		75.00		71.00	b	-----	z
1974	60.00	a	64.00	a	77.00		87.00		97.00		103.00	a	99.00		97.00		97.00		86.00		76.00		-----	z	-----	z
1975	65.00		63.00	a	-----	z	85.00		85.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	70.00	a	-----	z
1976	67.00	a	75.00		75.00	a	78.00		89.00		94.00		-----	z	96.00		96.00	b	84.00	a	72.00		65.00	a	-----	z
1977	57.00	a	71.00		75.00		89.00		90.00		-----	z	105.00	a	95.00		100.00		93.00	a	69.00	a	65.00	a	-----	z
1978	55.00	b	59.00		-----	z	86.00	a	90.00	a	98.00		103.00	a	100.00		92.00		89.00		75.00		59.00	c	-----	z
1979	50.00	b	67.00		68.00	a	81.00		90.00		100.00	d	99.00	b	101.00	c	94.00	d	90.00	b	62.00	a	74.00	a	101.00	t
1980	55.00	a	71.00	b	70.00		87.00		87.00		102.00		101.00		100.00		96.00		87.00		78.00	d	78.00	c	102.00	j
1981	69.00	a	74.00		74.00		90.00		86.00		99.00		100.00		98.00		91.00		80.00		76.00		69.00		100.00	a
1982	66.00	a	76.00		78.00		83.00		88.00		94.00		100.00		96.00		96.00		86.00		70.00		75.00		100.00	a
1983	52.00		66.00		72.00	a	79.00		84.00		99.00	a	100.00		100.00		97.00		82.00		76.00		51.00		100.00	b
1984	60.00		64.00		65.00		77.00	a	95.00		92.00		98.00		96.00	a	97.00	f	77.00	f	73.00	c	66.00	d	98.00	u
1985	59.00	c	66.00	d	76.00	f	85.00	c	88.00	a	100.00	e	104.00	a	100.00	d	95.00	e	83.00	c	73.00	f	60.00	d	-----	z
1986	74.00	a	73.00	c	82.00	f	85.00	e	88.00	e	97.00	c	101.00	h	99.00	f	92.00	d	77.00	f	72.00	f	56.00	b	-----	z
1987	71.00	e	72.00	f	75.00	g	88.00	h	86.00	d	95.00	e	100.00	c	101.00	f	92.00		86.00	a	70.00		69.00	a	-----	z
1988	65.00	a	68.00		83.00	a	82.00		92.00	b	100.00		100.00	a	99.00		96.00	b	83.00		77.00		72.00		100.00	g
1989	76.00		74.00	a	83.00		93.00	a	90.00	h	-----	z	-----	z	94.00		90.00	n	88.00		77.00		66.00	k	-----	z
1990	72.00		61.00		72.00	a	82.00	a	88.00	i	107.00		104.00		102.00		97.00	e	86.00	g	78.00	k	67.00	e	-----	z
1991	60.00	b	67.00		73.00	d	87.00	a	88.00	a	100.00	j	101.00		96.00		89.00		89.00	a	71.00	d	62.00	d	-----	z
1992	64.00		73.00		70.00	l	84.00	b	92.00		94.00		98.00	b	98.00	c	95.00	b	87.00		68.00	a	46.00	b	98.00	x
1993	49.00		55.00	a	79.00	d	80.00	d	87.00	a	103.00	a	101.00	c	96.00		95.00	e	91.00	a	65.00		66.00	a	103.00	u
1994	65.00		63.00	b	80.00	a	86.00	c	95.00	a	100.00	b	98.00		100.00	c	95.00	a	95.00	a	78.00	b	64.00	b	100.00	r
1995	64.00	b	72.00		80.00		77.00	a	85.00		95.00	b	100.00	b	103.00	b	97.00	a	85.00		78.00	b	69.00	a	103.00	m
1996	69.00		75.00	b	75.00	b	86.00		99.00		98.00	c	104.00	k	94.00	e	91.00		90.00	b	78.00	c	75.00	a	-----	z
1997	73.00		74.00	a	83.00	a	83.00		91.00	b	96.00	e	101.00		95.00	b	95.00		92.00		68.00	b	52.00		101.00	m
1998	61.00		66.00		84.00		88.00	a	92.00	a	101.00	b	104.00		96.00	d	98.00	a	85.00		80.00	a	71.00	a	104.00	k
1999	67.00		74.00	a	80.00	a	80.00		88.00		92.00	a	101.00	b	97.00	i	98.00	a	89.00		80.00	b	67.00	c	101.00	t
2000	67.00		75.00		72.00	b	86.00		100.00		102.00	j	103.00	a	102.00		99.00	c	91.00		60.00	a	60.00	a	103.00	r
2001	67.00		58.00	d	71.00	j	89.00	b	92.00		103.00		108.00		104.00	c	97.00		89.00		81.00		69.00		108.00	s
2002	74.00	a	71.00		77.00		91.00	a	97.00	f	106.00	b	109.00	d	107.00		98.00		83.00	d	74.00		65.00		109.00	r
2003	70.00		77.00		82.00		89.00		98.00		98.00		107.00		103.00		95.00	a	94.00		74.00		68.00		107.00	a
2004	66.00		69.00		86.00	i	88.00		97.00		105.00		103.00		99.00		96.00		80.00		74.00		72.00		105.00	i
2005	73.00		70.00		75.00		86.00	a	97.00		100.00		107.00	c	104.00	d	97.00		97.00		84.00		68.00	a	107.00	i
2006	73.00	a	77.00		81.00	f	90.00	c	99.00	e	96.00	w	98.00	k	94.00	a	86.00	i	81.00	l	83.00		66.00	a	-----	z
2007	51.00	h	54.00	d	82.00	b	87.00	l	88.00	a	95.00	k	94.00	g	98.00		93.00	i	88.00	j	80.00		73.00	b	-----	z
2008	67.00	e	62.00	a	72.00	p	-----	z	-----	z	-----	z	-----	z	-----	z	91.00		82.00		79.00		72.00		-----	z
2009	75.00		72.00		80.00		84.00		91.00		96.00		96.00		98.00		89.00		86.00		81.00		64.00		98.00
2010	63.00		56.00		84.00		83.00		91.00		99.00		99.00		95.00		98.00		82.00		79.00		74.00		99.00
2011	70.00		72.00		82.00		84.00		89.00		100.00		100.00		100.00		97.00		89.00		75.00	a	68.00		100.00	a
2012	72.00		67.00		81.00		95.00		92.00		105.00		102.00		100.00		97.00		88.00		77.00		70.00		105.00
2013	64.00		65.00		79.00		87.00		94.00		102.00		99.00		101.00		98.00		85.00		77.00	e	75.00	k	102.00	p
2014	70.00		65.00		77.00		83.00		90.00		94.00		100.00		98.00		99.00		89.00		79.00		68.00		100.00
2015	75.00		80.00		91.00		86.00		84.00		95.00		101.00		102.00		99.00		99.00		78.00		70.00		102.00
2016	67.00		80.00		79.00	c	78.00		88.00		99.00		100.00		97.00		94.00		89.00		87.00		66.00		100.00	c
2017	63.00		85.00		90.00		86.00		87.00		102.00		99.00		92.00		95.00		87.00		80.00		67.00		102.00
2018	73.00		69.00		82.00		84.00		93.00		101.00	a	101.00		96.00		97.00		93.00		68.00		66.00		101.00	a
2019	67.00		68.00		80.00		87.00		92.00		100.00		105.00		100.00		101.00		94.00		75.00		68.00		105.00
2020	59.00		75.00		79.00		87.00		91.00		100.00		98.00		100.00		100.00		93.00		84.00		68.00		100.00
2021	66.00		73.00		82.00		87.00		88.00		102.00		100.00		99.00		100.00		87.00		84.00		75.00		102.00
2022	68.00		66.00		79.00		89.00		94.00		102.00		107.00		103.00		101.00		91.00		75.00		71.00		107.00
2023	56.00		65.00		76.00		91.00		86.00		94.00		107.00		109.00		104.00		92.00		82.00		72.00		109.00
2024	64.00		76.00		74.00		91.00	o	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	64.46		68.21		76.64		84.12		90.86		98.31		100.58		98.65		95.15		87.21		74.69		66.33		101.64
S.D.	6.85		7.13		6.14		4.42		3.90		4.36		3.25		3.54		3.28		4.06		5.32		6.87		3.06
SKEW	-0.48		-0.60		-0.33		-0.46		0.15		-0.00		0.20		0.15		0.02		0.08		-0.66		-0.94		0.86
MAX	79.00		85.00		93.00		95.00		100.00		112.00		109.00		109.00		104.00		99.00		87.00		81.00		112.00
MIN	47.00		45.00		56.00		69.00		82.00		88.00		93.00		89.00		87.00		76.00		60.00		42.00		96.00
YRS	119		119		107		113		113		108		108		111		115		110		112		116		58