CASTLE ROCK, CO

Maximum of Maximum Temperature (Degrees Fahrenheit)

(051401)

File last updated on April 20, 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	56.00		57.00		80.00	a	77.00		84.00	a	93.00		94.00		90.00		90.00		80.00		69.00		64.00		94.00	b
1894	64.00	a	54.00		74.00		81.00	a	87.00	a	96.00		97.00		90.00		90.00		85.00		71.00		60.00		97.00	c
1895	-----	z	-----	z	-----	z	-----	z	90.00		94.00		95.00		85.00		89.00		75.00		64.00		64.00		-----	z
1896	62.00		62.00		68.00		74.00	a	84.00		94.00	a	96.00		90.00		86.00		80.00		63.00		59.00		96.00	b
1897	47.00	b	62.00		69.00	a	65.00		85.00	n	89.00		97.00		88.00		89.00		82.00	a	80.00	i	65.00	h	-----	z
1898	-----	z	-----	z	54.00	k	85.00		86.00		89.00		98.00		90.00		85.00		80.00		73.00		60.00		-----	z
1899	52.00		54.00		70.00	c	80.00		84.00		98.00		92.00		92.00		95.00		83.00		72.00		60.00		98.00	c
1900	58.00		56.00		74.00		73.00		88.00		92.00		95.00		90.00		88.00		82.00		72.00		61.00	a	95.00	a
1901	59.00		59.00		78.00		80.00		80.00		94.00		95.00		93.00		85.00		78.00		70.00		68.00	a	95.00	a
1902	69.00		67.00		67.00		82.00	a	84.00		95.00		97.00		98.00		96.00		79.00	a	76.00		66.00		98.00	b
1903	58.00		50.00		70.00		77.00		82.00		90.00		91.00		96.00	a	96.00		84.00		78.00		64.00		96.00	a
1904	66.00		72.00		70.00		77.00		79.00		85.00	a	90.00		99.00		92.00	j	-----	z	-----	z	-----	z	-----	z
1905	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	90.00	e	84.00		70.00	a	65.00		-----	z
1906	67.00	a	68.00		72.00	d	79.00		85.00		93.00		96.00		99.00		90.00		82.00		72.00	a	69.00	b	99.00	h
1907	64.00	e	66.00	a	72.00	a	74.00	b	75.00		88.00	d	86.00		95.00		89.00		76.00	e	55.00		63.00	a	95.00	s
1908	59.00		65.00		72.00		76.00		85.00		90.00		89.00		89.00		89.00		80.00		71.00		54.00		90.00
1909	63.00		65.00		-----	z	76.00		78.00		86.00		90.00		89.00		79.00	a	-----	z	74.00		57.00	a	-----	z
1910	63.00		63.00		76.00	a	-----	z	81.00		94.00	a	97.00		91.00		91.00		-----	z	71.00	q	63.00		-----	z
1911	66.00	a	61.00		74.00		78.00		88.00	b	96.00		90.00		98.00		92.00	a	84.00	b	-----	z	65.00		-----	z
1912	65.00		55.00		65.00		76.00		86.00	a	85.00	a	90.00		93.00	d	85.00		76.00		73.00	b	62.00		93.00	h
1913	60.00	a	60.00		71.00	a	82.00		86.00		-----	z	97.00		93.00	a	85.00	c	75.00		70.00		49.00		-----	z
1914	59.00		55.00	a	63.00		72.00		82.00		89.00	a	89.00		92.00		88.00		81.00		73.00		58.00	a	92.00	c
1915	57.00		61.00		60.00		72.00		84.00	a	82.00		97.00		88.00		85.00		87.00		76.00		69.00	f	97.00	g
1916	64.00		66.00		75.00		77.00	b	87.00		94.00	a	95.00		93.00		87.00		79.00	b	74.00	a	64.00		95.00	f
1917	60.00		63.00	b	70.00		73.00	a	77.00		90.00		91.00	a	88.00		87.00		80.00		71.00	a	69.00	e	91.00	j
1918	68.00		66.00	a	-----	z	-----	z	-----	z	87.00	w	-----	z	92.00	r	-----	z	-----	z	-----	z	-----	z	-----	z
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1920	-----	z	-----	z	-----	z	-----	z	-----	z	90.00		90.00		88.00		86.00		80.00		71.00	a	67.00		-----	z
1921	63.00		70.00		74.00		75.00	a	82.00		91.00		92.00		87.00		89.00		82.00	a	73.00		72.00	a	92.00	c
1922	68.00		65.00	a	67.00		71.00		80.00		97.00		98.00		92.00		86.00		87.00		63.00		62.00		98.00	a
1923	68.00		63.00	c	68.00		77.00		81.00		91.00		92.00		88.00		85.00		75.00		70.00		62.00		92.00	c
1924	58.00		68.00		60.00		74.00		78.00		93.00	a	98.00		96.00		92.00		79.00		79.00	a	65.00	a	98.00	c
1925	59.00	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1926	-----	z	-----	z	-----	z	72.00	d	78.00	a	79.00		86.00		94.00		89.00		86.00		69.00		69.00		-----	z
1927	70.00		69.00		69.00		86.00		91.00		95.00		93.00		87.00		88.00	g	79.00		74.00		60.00		95.00	g
1928	70.00		63.00		76.00	a	79.00		87.00		88.00		95.00		94.00		89.00		85.00		71.00		64.00		95.00	a
1929	62.00		55.00		73.00		77.00		82.00		95.00		92.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1930	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1931	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1932	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1933	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1934	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1935	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1936	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1937	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1938	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1939	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1940	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1941	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1942	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1943	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1944	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1945	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1946	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1947	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1948	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1949	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1950	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1951	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1952	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1953	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1955	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1956	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1957	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1959	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1960	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1961	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1962	-----	z	-----	z	-----	z	80.00	n	85.00	a	92.00		93.00		96.00		89.00		86.00		70.00		66.00		-----	z
1963	61.00		72.00		77.00		77.00	a	85.00		96.00		98.00		95.00		87.00		82.00		72.00		64.00		98.00	a
1964	61.00		57.00		67.00		76.00		88.00		91.00		96.00		92.00		89.00		85.00		71.00		69.00		96.00
1965	64.00		63.00		71.00		79.00	a	80.00		89.00		92.00	b	91.00		87.00		80.00		72.00		69.00		92.00	c
1966	61.00	a	50.00		73.00		74.00		89.00		91.00	a	96.00		91.00		85.00	a	78.00		66.00		60.00		96.00	c
1967	65.00		65.00		75.00		76.00	a	87.00		87.00		92.00	a	90.00		86.00		86.00	a	71.00	a	57.00	a	92.00	e
1968	61.00		60.00		71.00		73.00		82.00	a	95.00		93.00		88.00		85.00	a	82.00	a	68.00		62.00		95.00	c
1969	64.00		63.00		70.00		77.00		88.00		89.00		95.00		96.00		87.00		81.00		64.00	b	62.00		96.00	b
1970	64.00		67.00		67.00		75.00		87.00		97.00		91.00	a	94.00		87.00		77.00		70.00	a	64.00	b	97.00	d
1971	65.00	t	66.00		80.00	b	74.00	a	82.00		96.00		98.00	a	91.00		90.00	a	82.00		75.00		66.00		98.00	y
1972	62.00	a	70.00		74.00		77.00	a	80.00		86.00		95.00		93.00		84.00	a	80.00		57.00	b	61.00		95.00	e
1973	59.00		56.00		65.00		78.00		81.00		91.00		99.00	a	91.00		86.00		81.00		78.00		68.00		99.00	a
1974	62.00		60.00		72.00		75.00		88.00		93.00		93.00		91.00		89.00		81.00		74.00		63.00		93.00
1975	61.00		60.00		69.00		79.00		80.00		92.00		94.00		96.00		93.00		87.00		78.00	a	67.00		96.00	a
1976	65.00		65.00		71.00	a	73.00	b	85.00		93.00		96.00		91.00		-----	z	81.00		70.00		62.00		-----	z
1977	60.00		66.00		67.00		80.00	a	82.00	b	93.00	b	98.00		94.00	c	93.00	a	83.00		77.00	a	65.00	k	98.00	u
1978	55.00	a	63.00	c	72.00	i	78.00	m	86.00	a	94.00	a	97.00	h	93.00	e	94.00	a	84.00	b	78.00	a	61.00	a	-----	z
1979	52.00		72.00		64.00		77.00	a	80.00		91.00	a	94.00	a	98.00	c	93.00		84.00		68.00	c	67.00	a	98.00	j
1980	64.00	d	70.00	j	64.00	f	78.00	e	82.00	e	97.00	e	97.00	i	95.00	b	90.00	a	73.00	r	76.00	a	67.00	q	-----	z
1981	66.00	d	67.00	a	67.00		91.00	a	83.00	e	93.00	a	96.00	a	94.00	b	90.00	a	81.00		75.00	b	67.00	a	96.00	s
1982	66.00	c	72.00	a	70.00	a	80.00	a	83.00	c	92.00	b	97.00		90.00	c	91.00	e	77.00	f	70.00	f	67.00	d	-----	z
1983	64.00	i	61.00	b	65.00	b	75.00	j	85.00	a	95.00	a	96.00	a	93.00	b	92.00	b	79.00	a	76.00	g	54.00	j	-----	z
1984	57.00	c	62.00	g	63.00	e	75.00	e	87.00	c	89.00		93.00	c	91.00	a	90.00	d	74.00	h	72.00	e	64.00	i	-----	z
1985	60.00	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	77.00	n	71.00	a	64.00	a	-----	z
1986	69.00	b	75.00		76.00	d	79.00	a	83.00	a	93.00	b	94.00		93.00	d	82.00	b	75.00	b	72.00	e	55.00		94.00	w
1987	62.00	d	70.00	h	70.00	b	80.00		80.00		86.00		93.00		91.00	a	83.00	b	80.00		71.00		67.00		93.00	q
1988	64.00		61.00		75.00		77.00		84.00	b	90.00	c	91.00	b	92.00	a	88.00		79.00		74.00		70.00		92.00	h
1989	66.00		70.00		78.00	a	84.00		90.00		94.00		96.00		90.00	m	86.00	c	81.00	a	78.00	d	69.00		96.00	v
1990	68.00		68.00	b	71.00	b	76.00		83.00	f	97.00	g	96.00		94.00	e	89.00	a	80.00	a	76.00	c	67.00	c	-----	z
1991	61.00	a	63.00		67.00		82.00	a	82.00	a	93.00	f	92.00	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1992	-----	z	-----	z	66.00	b	81.00	a	87.00		85.00	a	93.00		91.00		89.00	b	82.00		68.00		61.00		-----	z
1993	60.00		60.00		71.00		76.00		80.00		93.00		93.00	a	93.00		86.00	a	81.00		62.00	a	67.00		93.00	c
1994	61.00	a	62.00		72.00		80.00		85.00		98.00		93.00		93.00		88.00		86.00		73.00		69.00		98.00	a
1995	65.00		71.00		72.00	a	74.00	a	81.00		88.00	a	96.00		97.00	a	94.00		82.00		85.00		71.00	a	97.00	e
1996	70.00	a	68.00	a	73.00		83.00		91.00		91.00		94.00	b	94.00		89.00		85.00	a	68.00	a	64.00	a	94.00	g
1997	73.00	a	67.00		80.00		72.00		81.00	b	89.00		96.00	b	89.00		85.00		84.00	b	67.00		60.00		96.00	g
1998	62.00		59.00	a	76.00	b	75.00		85.00		91.00	c	97.00	a	89.00	b	91.00		81.00		76.00		71.00	c	97.00	l
1999	63.00	d	67.00	a	73.00	b	72.00	b	80.00	r	91.00	e	94.00	a	87.00		87.00		81.00		77.00		65.00	a	-----	z
2000	65.00		66.00	a	70.00		79.00		90.00		92.00	a	96.00	b	95.00		91.00	a	83.00		62.00	a	60.00		96.00	f
2001	67.00	b	59.00	c	65.00	a	79.00		85.00	a	94.00		96.00	a	-----	z	88.00		80.00	a	73.00		61.00		-----	z
2002	67.00		65.00	b	69.00	a	82.00	b	90.00		95.00		96.00		98.00		90.00		79.00		72.00		62.00	a	98.00	f
2003	64.00	f	70.00		74.00	a	78.00		94.00	b	86.00		98.00	a	92.00	a	86.00	a	84.00		72.00	b	66.00		98.00	n
2004	64.00	a	66.00		79.00		77.00	a	84.00	b	96.00		94.00	a	92.00	a	87.00	a	76.00	c	71.00		68.00		96.00	j
2005	69.00		61.00		72.00		74.00		88.00		89.00	b	98.00		94.00		87.00		83.00	a	78.00		65.00		98.00	c
2006	68.00		69.00		74.00		83.00		89.00		96.00		94.00	b	88.00		82.00		79.00		77.00		61.00	b	96.00	d
2007	63.00	a	61.00		72.00		77.00		81.00		94.00		95.00		93.00		89.00		82.00		75.00		68.00		95.00	a
2008	59.00		62.00		70.00		77.00		83.00		89.00		96.00		98.00		86.00		78.00		75.00		63.00		98.00
2009	68.00		66.00		74.00		75.00		85.00		86.00		90.00	a	92.00		86.00	c	80.00	a	74.00		58.00		92.00	e
2010	59.00		49.00		77.00		76.00		88.00		94.00		97.00		91.00		92.00		81.00	a	74.00		66.00		97.00	a
2011	66.00		64.00		74.00		80.00	a	83.00	c	93.00	a	94.00		92.00	a	93.00		82.00		69.00	a	61.00		94.00	g
2012	63.00	b	59.00		75.00		82.00	b	90.00		100.00	b	100.00		94.00	d	90.00	c	84.00	a	75.00		68.00		100.00	n
2013	64.00		63.00		74.00	a	71.00	q	86.00	o	96.00	c	95.00	b	93.00	a	92.00	b	82.00	c	71.00	b	64.00		-----	z
2014	62.00	b	65.00	c	71.00	d	78.00		84.00	c	-----	z	96.00	d	89.00	d	94.00		80.00		71.00	a	70.00	m	-----	z
2015	71.00	h	70.00	f	77.00	a	79.00		76.00		92.00	d	90.00	a	95.00	a	88.00		83.00		73.00	d	-----	z	-----	z
2016	63.00	f	66.00	a	72.00	a	74.00	b	81.00	c	94.00	d	95.00	a	94.00	b	88.00	a	85.00	b	78.00		68.00		95.00	w
2017	59.00		72.00		77.00	a	80.00		78.00	b	97.00		98.00	a	91.00		91.00	b	83.00		73.00	c	67.00		98.00	i
2018	68.00		64.00	b	70.00		76.00		87.00	d	97.00		95.00		90.00	a	92.00	a	84.00	a	64.00		63.00	a	97.00	j
2019	62.00	c	63.00	a	73.00		77.00	f	80.00	e	93.00	d	99.00	a	95.00	a	98.00		83.00	d	77.00	h	72.00	b	-----	z
2020	65.00		75.00		74.00		81.00	g	94.00	c	97.00		99.00	c	98.00	f	99.00	b	88.00		81.00		72.00		99.00	u
2021	65.00		68.00		75.00	a	83.00		87.00		101.00		99.00		99.00		101.00		88.00	a	83.00		82.00		101.00	b
2022	72.00		68.00		82.00		89.00		92.00		101.00		102.00		-----	z	95.00		78.00		72.00		62.00		-----	z
2023	60.00		64.00		67.00		84.00		79.00		90.00		96.00		92.00		93.00		85.00		74.00		71.00		96.00
2024	61.00		64.00		65.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	62.95		63.66		71.46		77.58		84.19		92.09		94.58		92.38		89.04		81.52		72.00		64.41		95.76
S.D.	4.50		5.45		4.52		4.09		4.05		4.04		3.03		3.13		3.78		3.08		5.03		4.72		2.43
SKEW	-0.54		-0.43		-0.19		0.45		0.15		-0.42		-0.46		0.18		0.49		-0.09		-0.65		0.09		-0.39
MAX	73.00		75.00		82.00		91.00		94.00		101.00		102.00		99.00		101.00		88.00		85.00		82.00		101.00
MIN	47.00		49.00		60.00		65.00		75.00		79.00		86.00		85.00		79.00		75.00		55.00		49.00		90.00
YRS	86		86		87		85		89		90		92		88		90		87		87		85		34