FORT LEWIS, CO

Average of Maximum Temperature (Degrees Fahrenheit)

(053016)

File last updated on April 25, 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
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	81.18	t	76.97		71.93		66.05	k	54.86	b	46.63	d	62.60	h
1918	33.80	a	41.19	b	49.03	b	54.35	d	67.23		81.46	b	79.21	g	78.65		71.43	b	61.55		42.43		35.00	a	56.01	a
1919	35.03		33.36		41.45	b	57.92	d	67.44	f	82.38	i	79.17	g	-----	z	73.48	g	56.44	f	48.12	e	43.41	d	43.21	f
1920	45.80	f	-----	z	-----	z	-----	z	76.23	e	76.80	e	80.07	a	77.77		70.63		57.48		46.43	b	36.00		65.18	d
1921	39.77		43.61		51.81		55.52	a	65.43	a	75.90		80.35		76.13	a	73.70		64.73	a	52.11	b	45.19		60.36
1922	35.26		37.71		45.58		55.11	c	68.93	b	80.83		84.63	a	78.30	a	76.50	b	64.13		43.87		39.35		59.18
1923	40.61		40.54	b	42.90		54.67		68.77	a	77.62	a	82.10		76.03	a	68.87		56.87		48.07	a	40.68		58.14
1924	36.26		45.00	b	40.39		56.43		54.87		70.54	f	79.45		78.84		72.13		60.27	a	52.10		37.90	b	55.79	a
1925	35.19		41.68		50.00		60.10	a	69.84		73.79	a	80.67	a	74.58		69.27		58.10		46.83	a	41.37	a	58.45
1926	35.43	a	43.74	a	50.08	f	52.89	b	62.45		77.87		79.19		80.90		71.87		63.39		48.33		36.77		59.35	a
1927	43.06		41.57		46.00		56.63		67.48		73.38	f	78.42		73.94		66.55	a	60.81		54.80		34.14	c	56.67	a
1928	41.97		41.36	a	49.33	a	55.03		66.29		74.38	a	80.10		77.00		73.69	a	62.77		45.20		38.48		58.80
1929	34.74		34.89		44.86	b	52.40		66.00	a	77.83		80.23		75.52		67.40		60.29		46.37		45.45		57.17
1930	30.55		45.31	b	44.71		61.70		59.60	k	77.20		77.45		76.81		70.17		59.27	a	45.83		38.45		57.04	a
1931	39.68		42.37	a	46.61		57.40		65.93	a	76.45	a	80.77		79.90		70.53		61.65		43.83		37.06		58.52
1932	31.71		42.86		45.10		56.53		64.68		73.83		79.55		78.87		72.63		59.30	a	51.97		33.29		57.53
1933	33.90		32.43		48.26		53.33		59.29		75.90		77.39		71.45		67.55	a	56.07	d	47.25	b	39.13		55.16
1934	40.00		44.00		54.26		59.77		72.48		75.57		83.16		80.42		70.87		65.10		47.90		39.00		61.04
1935	39.94		44.25		42.74		53.07		59.13		77.27		80.26		77.71		73.20		60.26		46.50		40.48		57.90
1936	37.58		37.07		47.94		59.13		70.10		79.53		82.23		78.32		68.57		59.42		50.17		37.39		58.95
1937	26.58		36.25		41.00		52.90		67.94		75.27		79.72	b	81.19		73.83		62.90		51.20		40.26		57.42
1938	40.45		39.29		43.42		57.20		65.13		74.13		77.73	a	78.35		70.77		59.94		42.40		40.81		57.47
1939	36.71		33.50		48.68		58.93		67.42		74.23		79.97		79.65		72.73		62.10		53.50		49.48		59.74
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	77.70	a	74.00		60.58		42.67		37.29		58.45	g
1949	28.71		35.11		45.06		57.47		61.97		69.73		77.52		77.60	a	73.10		58.19		56.30		37.55		56.53
1950	35.39		44.07		46.58		58.60		64.29		75.90		77.19		77.71		68.10		67.97		51.70		45.06		59.38
1951	36.87		40.64		43.35		53.00		63.81		71.72	a	80.48		74.32		71.63		57.26		43.40		33.45		55.83
1952	34.52		37.62		39.35		55.80		66.23		75.53		80.39		78.97		72.90		67.10		43.03		35.97	b	57.28
1953	42.16		39.32		48.17	a	53.97	a	60.62	b	77.17		80.84		76.45		74.13		60.48		49.83		35.83	b	58.25
1954	40.39		48.86		44.28	b	62.83		68.00		74.93	a	79.68		76.68		71.90		63.68		54.27		39.57	a	60.42
1955	33.90	b	33.36		45.32		54.33		63.00		72.97	a	78.35		78.00	b	73.54	b	64.74		46.23		40.55		57.02
1956	42.65		36.76		48.84		55.97	a	68.13	a	78.97		79.19		76.30	a	76.63		62.17	a	45.04	b	40.29		59.24
1957	35.07	a	45.07		44.29	c	49.70		57.32		-----	z	74.74		72.97	a	69.10		54.70	a	39.60		39.65		52.93	a
1958	38.32		42.18		38.97		50.76	a	67.39		76.18	b	78.87		79.81		69.97		60.81		47.80		45.97	b	58.08
1959	40.61		38.26	a	45.45		54.67		63.29	c	77.13		80.97		75.26		70.53		59.19		48.90		43.39		58.14
1960	33.68		33.97		47.23		56.40		63.73	a	77.60		83.58		82.61		75.77		58.00		49.53		37.35		58.29
1961	41.42		41.54		43.74		55.17		66.97		80.77		81.84		77.87		66.43		59.10		43.43		34.16		57.70
1962	35.61		38.50		40.83	a	60.73		65.16		75.73		80.00		81.26		72.27		61.77		50.97		42.87		58.81
1963	29.81		42.61		45.29		56.13		70.26		75.50		83.48		76.48		74.53		65.94		49.83		39.84		59.14
1964	35.52		35.59		41.16		51.00		65.32		75.97		82.06		76.58		69.37		67.48		46.07		35.39		56.79
1965	37.23		38.61		40.55		52.93		61.68		70.52	c	79.71		76.48	b	66.63		66.53	a	50.40		39.29		56.71
1966	34.48		34.25		50.26		58.80		69.61		76.70	c	84.17	a	80.10	b	72.79	a	63.18	c	52.30		37.33	a	59.50
1967	36.00		42.86		53.16		56.59	h	66.30	a	73.00	b	83.27	e	75.56	m	72.43	b	66.80	k	53.38	f	33.47	a	57.56	d
1968	37.32	c	43.07	a	46.90	a	51.56	c	64.43	a	77.86	a	80.04	d	74.30	a	72.40	e	63.76	b	44.30	c	37.10		57.75
1969	38.45		38.96		40.26		59.00	a	68.97		70.93	c	81.63	a	80.93	c	71.34	a	52.97	b	45.80		38.21	b	57.29
1970	37.10		46.39		41.17	a	49.67		68.23		73.90	a	81.47	a	80.77	a	68.14	a	54.39		47.87		37.55		57.22
1971	36.23	a	40.64		48.87		56.14	a	62.48		77.17		81.97	a	77.23		-----	z	-----	z	45.00	a	32.97	a	55.87	b
1972	37.13		43.57	a	56.80	a	57.97		67.43	c	76.31	d	85.61	m	77.97		70.00	c	58.45		39.77		33.52		56.26	a
1973	32.74		36.64		39.61		48.50		63.63	a	73.57		80.35		79.23		69.30		61.87	h	48.97		39.17	a	55.61	a
1974	33.06		37.70	a	50.74		55.90	a	71.26		82.10		80.17	b	78.16		72.72	a	60.82	c	45.46	b	35.47	a	58.63
1975	32.84		36.67	a	41.52		49.79	a	61.57	a	73.97	a	78.94		77.71		70.17	a	64.37	a	48.21	b	38.77	a	56.21
1976	36.77	a	43.24		46.07	a	56.67		65.83	b	76.23		80.84		75.97		69.83	a	58.10		49.57		41.97	a	58.42
1977	33.16		43.37	a	46.52		60.41	a	64.90		79.67		80.19		78.19		71.63		63.65		48.97	a	41.29		59.33
1978	35.97	a	37.04		46.94		56.39	b	61.03	a	76.37		82.66	b	79.07	a	71.36	b	64.33	a	44.83		30.61		57.22
1979	27.65		36.68		41.23		53.96	b	62.74		75.80		80.90	b	76.90	b	76.03	a	64.80	a	39.93		40.65		56.44
1980	34.13		40.48		40.42		52.30		60.68		78.80		83.87	a	78.20	a	72.31	a	59.74		49.90	a	46.45		58.11
1981	44.52		45.11		43.77		60.97		64.10		80.17	a	79.77		77.13		71.63		56.94		50.34	a	-----	z	61.31	a
1982	34.93	b	37.96		44.35		54.70		62.80	a	75.10	a	-----	z	-----	z	69.03	a	60.05	i	42.48	g	36.69	e	51.95	d
1983	38.21	b	40.56	a	42.04	d	48.74	c	62.17	h	71.97	a	79.23		78.89	d	74.35	d	61.07	b	44.66	a	34.29		55.82	a
1984	35.06		39.52	d	45.14	b	52.17	a	72.38	e	74.30		81.58		77.81		72.30	c	50.16		44.59	a	37.12	e	56.84
1985	35.17	a	37.04		44.62	b	58.93		65.21	g	78.54	b	80.74		80.50	c	68.67	f	58.93	b	42.33		37.72	b	55.45	b
1986	44.29		41.59	a	53.10	b	56.19	c	66.22	d	75.47		76.45		79.20	a	64.15	d	57.16		43.97	a	40.10		58.16
1987	35.83	a	40.15	a	43.97		59.11	b	63.88	e	78.28	a	80.30	d	76.86	b	72.22	c	63.07	a	45.29	b	34.93	a	57.82
1988	33.33	a	41.71	a	47.32	c	57.90		66.63	a	78.12	d	81.58		77.13		71.61	b	66.93	a	45.61	b	38.77	a	58.89
1989	35.19		39.46		54.97	b	63.69	d	70.62	g	77.67		82.40	a	77.39	c	75.08	d	60.90		51.59	a	42.58		60.08	a
1990	36.52	b	41.11	a	48.61		58.24	a	65.25	k	81.88	e	79.00	d	76.74	h	73.76	i	62.14	i	46.61	l	32.24	f	57.56	f
1991	33.74		45.83	e	42.36	f	57.56	e	67.25	g	73.78	g	80.58	e	79.64	c	70.86	b	63.93	b	43.64	b	38.48	f	59.47	d
1992	38.00	e	42.32	a	47.70	d	61.89	b	64.85	d	73.72	a	77.31	b	79.71	g	72.36	b	64.13	a	40.69	d	34.08	f	58.30	b
1993	38.26	h	37.67	a	48.55		58.18	h	68.24	b	73.74	g	81.87	a	77.36	c	70.85	d	58.97	a	43.69	a	39.61	c	58.53	c
1994	40.67	a	39.04	b	52.35		57.00	c	68.61		82.19	c	84.15	e	83.14	c	73.32	b	57.63	d	42.85	c	40.92	g	61.91	a
1995	38.15	d	48.79	d	50.65	e	54.96	c	60.90		74.64	b	82.75	c	83.87		75.00	e	65.50	c	54.31	a	43.46	c	61.08
1996	37.43	c	46.20	d	50.40	a	61.07	b	73.90	b	80.48	a	84.26	d	82.46	c	70.41	a	59.00	c	48.00	c	38.38	b	61.00
1997	36.68	c	41.21	d	53.58		53.32	b	67.55	b	76.32	b	82.83	g	79.48	f	74.14	b	63.00	j	49.40	e	39.29	j	56.53	d
1998	40.52	h	38.43	e	49.27	e	54.16	e	68.37	l	77.00	g	84.48	b	81.88	e	77.32	b	59.84	f	47.83	f	42.69	b	61.18	e
1999	45.48	h	46.96	e	56.23	e	55.00	i	64.65	k	80.33	u	80.03	b	75.36	c	71.50	d	68.93	b	59.19	d	42.76	f	65.46	e
2000	42.78	h	45.04	e	46.70	d	64.29	i	74.70	h	81.46	b	84.75	c	82.81	d	76.43	b	59.04	d	41.08	f	42.04	d	64.78	d
2001	37.23	a	42.85	h	49.25	c	59.08	f	73.25	g	80.96	f	84.22	h	78.69	e	77.64	e	64.81	d	48.53	k	37.64	c	57.55	f
2002	38.77	a	43.24	c	50.87	a	64.92	e	71.82	c	85.58	d	86.96	d	81.89	l	72.71	b	58.26		48.22	c	37.20	a	59.87	a
2003	45.73	a	39.31	b	46.97	b	60.45	h	70.77	a	78.03	a	88.04	c	80.63	a	72.73		66.04	c	42.60		36.70	d	60.69	a
2004	32.84		34.32	a	52.71	g	50.04	d	61.00	f	74.59	c	79.30	d	72.04	f	69.86	b	57.04	d	44.03		38.84		53.43	c
2005	39.87		40.64		46.13		56.93		67.23		74.20		84.39		75.19		70.47		58.58		47.70		36.03	b	58.11
2006	38.03	a	43.43		42.94		59.07		69.81		79.00		79.77		75.84		65.07		55.55		48.23		37.48		57.85
2007	33.84		40.25		52.23		56.70		64.13		78.10		81.71		79.29		70.60		61.13		52.43		32.19		58.55
2008	28.74		36.17		45.35		55.50		63.39		75.93		80.58		78.10		70.87		61.77		50.00		34.58		56.75
2009	38.26		40.71		50.19		55.27		68.14	i	-----	z	-----	z	-----	z	70.90		56.39		50.30		30.87		49.11	d
2010	33.74		36.18		45.35		56.87		-----	z	78.70	c	81.16		77.42		75.50		61.97		45.43		40.68		57.55	a
2011	35.16		37.89		49.90		57.69	a	63.13		77.63		82.61		83.97		73.53		61.00		46.03		37.55		58.84
2012	40.90		39.38		52.61		63.92	f	72.10		84.20		83.29		83.74		76.40		66.16		54.40	j	27.25	k	66.53	c
2013	23.36	c	19.52	c	45.48		-----	z	-----	z	80.96	e	80.52		77.13		71.10	a	55.90	a	47.77		33.00	a	53.47	b
2014	-----	z	48.82	k	50.07	c	-----	z	-----	z	78.91	s	82.32		75.58		74.77		63.10		49.83		38.71		62.05	e
2015	40.23		46.89		54.23		57.30		61.58		76.83		77.19		76.55		75.60		62.73	a	47.30		37.23		59.47
2016	36.97		44.10		52.58		56.70		63.87		80.93		82.61		74.39		69.90		63.52		48.77		38.06		59.37
2017	34.42		42.61		54.03		55.40		63.52		80.57		80.23		76.81		71.17		62.81		54.77		45.03		60.11
2018	42.29		41.39		49.48		60.73		70.00		79.63		83.52		81.35		75.57		56.16		45.53		35.29		60.08
2019	35.32		33.75		44.77		58.00		57.71		73.63		81.32		81.94		73.60		57.35		48.63		36.97		56.92
2020	36.81		40.79		47.90		58.67		70.13		77.87		80.90		82.84		73.33		65.48		49.67		38.10		60.21
2021	36.23		37.29		46.03		59.27		66.55		80.23		84.50	s	79.83	s	75.23		59.03		54.13		38.81		55.28	b
2022	39.77		40.07		49.19		60.33	o	68.65		76.10		80.94		77.68		74.23		59.03	b	42.93		37.39		58.73	a
2023	32.03		36.43		38.68		55.67		66.97		73.00		86.45		81.03		71.97		63.97		49.63		40.26		58.01
2024	35.58		41.76		47.29		55.09	s	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	41.54	i
Period of Record Statistics
MEAN	36.38		40.08		46.79		56.20		65.84		76.87		80.99		78.25		71.91		61.01		47.65		38.58		58.29
S.D.	3.90		4.28		4.24		3.40		3.92		3.03		2.32		2.54		2.70		3.63		3.96		3.66		1.32
SKEW	-0.35		-1.07		0.17		-0.06		-0.10		0.25		0.34		0.21		-0.28		-0.18		0.29		0.42		0.14
MAX	45.73		48.86		56.80		64.92		76.23		85.58		88.04		83.97		77.64		68.93		59.19		49.48		61.08
MIN	23.36		19.52		38.68		48.50		54.87		69.73		74.74		71.45		64.15		50.16		39.60		30.61		55.16
YRS	92		95		94		86		81		86		89		89		95		90		92		91		60