IRON MOUNTAIN, CA

Average of Maximum Temperature (Degrees Fahrenheit)

(044297)

File last updated on April 19, 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
1935	64.00	k	70.18		74.03		82.87		88.52		105.43		105.97		103.35		100.63		85.74		69.63		65.10		86.50	a
1936	67.03		69.34		81.23		90.68	b	98.35		105.10		108.55		106.06		99.70		87.93	a	75.67		64.68		87.86
1937	52.60	a	67.96		75.29		85.80		96.29		103.33		108.61	c	109.29		104.14	a	92.00	b	77.63		68.55		86.79
1938	68.87		66.79		71.23		84.30		92.94		102.89	b	107.13		105.92	e	102.72	a	86.13		70.47		67.52		85.57
1939	64.06		60.75		76.81		87.60		94.74		102.47		107.77		107.32		92.38	a	84.58		75.67		69.61		85.31
1940	65.94		67.79		79.71		85.83	a	97.84		106.40		107.39		107.39		95.53		88.23		70.97		65.19		86.52
1941	61.97		69.54		73.10		76.97		92.81		98.77		107.68		101.13		94.27		81.39	c	74.57	b	62.32		82.88
1942	64.90		65.82		75.48		82.50		90.81		102.63		110.68		105.65		100.60		90.06		78.03		69.68		86.40
1943	66.35		72.00		77.19		86.33		95.29		99.67		108.77		104.52		102.90		89.16		75.23		66.13		86.96
1944	63.75	g	65.59		71.94		80.23		91.42		96.03	a	106.42		107.45		100.73		90.00		68.70		65.35		85.81	a
1945	64.55		69.07		69.84		83.10		92.52		98.97		107.48		104.13		101.23		87.97		73.73		62.00		84.55
1946	66.84		67.57		75.13		87.57		92.39		103.20		104.97		105.26		100.70		82.00		67.47		67.26		85.03
1947	63.35		74.29		77.84		84.80		96.42		98.97		107.52		102.19		102.53		87.16		68.77		61.30	a	85.43
1948	67.03	a	65.76		69.90		84.07		91.23		99.60		105.74		105.61		101.21	a	87.39		69.50	j	61.00		85.32	a
1949	50.03		62.75		73.16		86.83		90.58		101.87		106.83	a	105.06		103.47		85.32		82.03		63.45		84.28
1950	60.97		72.50		77.71		89.17		92.13		100.70		105.13		107.68		98.53		94.10		80.07		73.39		87.67
1951	64.32		67.89		75.29		82.87		92.10		100.63		108.29		104.83	a	103.20		86.77		70.77		60.26		84.77
1952	58.87		68.10		68.03		83.17		96.84		98.90		106.97		108.13		102.23		97.35		70.67		62.68		85.16
1953	70.39		69.36		77.10		83.37		85.00		101.10		109.35		107.42		104.97		88.55		77.00		65.87		86.62
1954	63.68		77.71		72.81		90.53		95.97		100.67		108.17	a	104.71		102.63		91.52		79.50		64.65		87.71
1955	57.42		64.04		75.39		80.93		90.03		101.17		104.42		102.87		102.63		93.00		75.03		68.74		84.64
1956	68.45		65.21		78.61		82.80		92.68		104.17		107.06		106.23		105.50		86.84		73.73		68.10		86.61
1957	61.19		74.50		77.42		82.93		88.77		105.77		109.10		104.65		101.53		83.13		68.23		66.90		85.34
1958	67.32		71.00		69.10		82.97		98.35		103.23		109.06		107.55		101.83		92.42		75.37		72.48		87.56
1959	68.94		67.07		79.48		89.47		91.45		106.23		111.23		104.55		99.67		90.71		74.47		64.23		87.29
1960	59.35		65.07		79.90		86.70		93.71		107.93		110.97		107.84		102.93		87.19		73.40		64.45		86.62
1961	67.90		71.79		76.42		86.53		91.94		106.43		108.84		105.29		97.10		87.48		69.53		62.87		86.01
1962	64.26		69.21		70.45		92.00		89.65		102.07		108.06		109.74		102.27		90.16		80.17		68.00		87.17
1963	61.32		77.04		74.74		78.83		94.03		96.60		108.55		104.74		100.27		89.94		73.70		67.23		85.58
1964	62.55		66.76		72.45		81.17		90.00		99.70		107.06		105.26		98.87		95.03		69.43		65.45		84.48
1965	66.26		71.29		72.81		80.17		89.97		94.87		106.26		107.00		95.53		94.23		74.53		61.45		84.53
1966	61.77		64.82		76.55		88.47		96.68		102.41	a	107.23		107.77		100.77		87.81		76.47		66.65		86.45
1967	66.23		72.50		77.45		75.73		92.13		98.13		109.87	a	110.35		97.90		93.13		79.13		60.50	a	86.09
1968	65.48		74.59		78.00		82.33		94.03		104.83		106.60	a	102.16		101.70		89.23		75.40		61.10		86.29
1969	66.58		65.79		73.81		84.77		96.29		99.93		107.26		110.81		102.13		83.52		74.43		67.55		86.07
1970	63.45		73.07		74.26		78.80		94.03		103.00		108.68		106.48		97.30		85.16		75.87		61.77		85.16
1971	64.97		71.57		76.55		81.53		86.61		100.77		109.35		103.16		98.83		80.61		71.43		59.58		83.75
1972	62.71		73.34		86.00		85.60		92.65		101.07		109.87		103.42		97.60		79.32		68.50		61.32		85.12
1973	60.55		66.32		-----	z	81.93		96.35		105.37		109.52		106.61		99.90		90.03		73.53		68.42		87.14	a
1974	61.61		69.61		77.84		82.93		95.48		107.90		106.61		107.00		102.50		89.16		75.67		62.61		86.58
1975	66.29		67.89		73.42		76.10		91.58		102.73		107.97		107.52		101.37		87.26		75.17		68.90		85.52
1976	69.23		71.72		74.65		80.37		94.65		102.13		106.32		104.26		93.86	a	85.23		76.67		66.45		85.46
1977	63.03		75.07		71.10		86.23		84.35		105.50		109.71		106.23		100.03		89.81		77.67		70.06		86.57
1978	62.65		69.00		77.32		81.30		92.26		105.63		109.29		105.94		97.57		93.23		70.10		58.58		85.24
1979	54.90		65.07		72.10		83.13		92.81		103.90		107.23		102.65		105.17		91.32		71.97		68.32		84.88
1980	65.68		71.14		73.19		83.23		86.13		102.20		109.77		106.55		101.23		91.71		78.63		73.87		86.95
1981	71.74		73.25		75.42		89.23		93.26		108.10		110.06		108.61		101.71	b	84.90		78.57		69.35		88.68
1982	64.77		71.14		74.19		83.45	a	91.52		96.69	a	102.26		102.26		95.30		84.87	a	77.60	y	57.30	u	86.64	b
1983	66.55		69.11		73.90		77.73		93.65		101.00		107.03		101.65		101.80		86.90		74.60		66.97	a	85.07
1984	67.13		71.21		79.97		83.20		100.03		101.10		105.68		104.55		102.20		83.68		73.27		60.00	a	86.00
1985	63.13		67.18		75.29		89.60		95.90		106.57		109.10		108.30	a	93.21	a	87.45		70.93		66.26		86.08
1986	71.70	a	72.43		82.50	a	85.67		96.19		106.77		104.97		108.16		94.73		86.03		76.20		65.42		87.56
1987	64.94		71.96		75.81		91.37		94.26		106.97		107.30	a	107.19		100.97		91.33	a	72.20		59.80	a	87.01
1988	63.61		72.97		79.03		84.27		95.38	b	103.30		110.94		105.90		100.00		96.32		75.47		65.97		87.76
1989	63.33	a	70.25		82.42		93.60		96.21	b	104.07		110.61		105.16		101.90		-----	z	78.87		68.29		88.61	a
1990	66.03	a	68.79		80.52		88.17		93.97		105.03	a	108.32		104.10		101.03		91.57	a	76.27		61.19		87.08
1991	62.97		77.50		69.23	a	83.80		90.71		99.77		107.06		106.00	a	101.23		93.68		75.48	a	64.61		86.00
1992	65.21	b	72.17		74.45		89.13		96.19		102.04	b	105.58		107.06		102.50		88.90	b	72.53		59.50	a	86.27
1993	62.13	a	67.69	b	80.06		87.73		96.06		101.00	a	106.26		107.14	b	102.23		91.00	b	71.75	b	66.37	d	86.62
1994	70.07	a	67.00		80.19		87.29	b	92.43	a	108.30		110.06		109.39		102.87		86.76	b	67.03		63.90	a	87.11
1995	62.77		76.11		76.87		84.27		89.40	a	102.03	a	110.26		112.03		105.90		93.19		83.17		68.71		88.73
1996	69.71		76.00		80.87		90.37		99.06		107.93		112.87		110.87		100.57		89.32		76.92	d	66.90		90.12
1997	66.10		72.07		85.42		85.57		103.10		103.57		108.48		109.87		101.17		87.58		76.03		62.48	b	88.45
1998	67.55		64.96		76.00		80.43		88.71		99.60		110.74		111.19		99.50		87.00		74.63		65.29		85.47
1999	70.39		-----	z	73.84		79.41	c	92.77		102.83		106.97		107.43	c	99.10	a	95.18	c	80.03		68.35		88.76	a
2000	70.06		72.12	d	76.68		90.71	b	99.97		106.07	b	109.96	c	107.07	b	101.85	d	85.53	a	69.50	b	69.26		88.23
2001	63.73	a	66.38	b	78.65		83.77		102.03	b	107.17	a	108.77		109.26		105.30		93.13	a	78.41	a	63.25	c	88.32
2002	66.69	b	73.00		76.80	a	89.37		94.80	a	107.41	a	111.45	b	109.48		102.83		88.55	b	78.34	a	65.52		88.69
2003	73.73	a	69.74	a	77.27	a	80.85	d	96.65		105.37		-----	z	108.12	e	104.86	a	97.06		69.93		66.00		86.32	a
2004	66.58		66.79	a	85.65		86.27		96.71		105.93		109.84		107.74		100.90		84.97		68.97		64.55		87.07
2005	64.38	j	67.00	e	78.39		84.83		97.26		104.27		112.94		107.68		101.55	a	89.23		78.10	a	67.63	a	89.90	a
2006	68.73	a	74.04		73.48		84.81	c	100.71		108.90		112.16		109.19		101.10		88.00		79.60		65.52		88.85
2007	64.90	b	73.85	a	82.29		88.37		98.55		107.63		112.76	b	110.26		102.27		88.84		80.93		62.48		89.43
2008	63.42		69.50	i	79.57	a	86.90		90.47	a	107.87		106.26		107.29		102.86	a	91.06		78.67	f	62.32		89.80	b
2009	69.21	g	68.93		78.93	c	85.31	d	101.36	f	99.50		111.29	c	108.08	e	105.00	d	86.53	a	77.57		62.67	a	88.38	b
2010	65.69	b	69.78	a	74.13	a	81.58	d	89.42		104.61	b	110.29	c	107.13		102.97	a	87.20	a	73.97		67.97	b	86.23
2011	66.73	a	68.53	i	80.13	h	85.83	a	91.42		103.17	a	106.96	c	110.17	g	101.75	b	90.21	b	72.30		62.59	b	86.77	c
2012	70.55		71.93	b	79.25	c	87.97	a	99.06		106.30		106.42	e	107.38	b	102.83	a	90.96	d	80.05	j	65.52	d	89.83	a
2013	64.50	e	69.39		83.84		89.15	d	95.24	j	108.07	a	108.17	a	105.80	f	98.97		85.26		75.10		64.37	d	84.68	b
2014	73.62	j	77.83	d	81.54	c	88.44	e	95.54	g	105.79	f	108.67	a	103.45	b	102.31	a	92.32		78.17		66.16		88.76	c
2015	67.46	c	78.36		83.45		86.46	b	89.74		107.62	a	105.19		110.48		103.43	b	91.29		73.93	b	64.39		88.48
2016	66.13	a	78.00		83.96	e	85.79	b	92.38	e	109.04	f	111.33	g	107.77	e	99.47		92.52	f	84.06	n	-----	z	87.64	e
2017	-----	z	-----	z	-----	z	-----	z	95.45	t	108.77		110.04	f	107.52	f	101.25	j	92.70	h	81.43	g	67.85	r	108.77	k
2018	71.56	o	72.21		74.53	p	92.00	i	95.94		105.77		109.94		109.10	a	105.27		85.94		76.03	a	65.13		91.70	c
2019	63.77	a	63.11		76.47	a	86.40		88.37	d	104.04	g	109.61		110.23		100.33		87.81		76.47		62.17	b	84.07	a
2020	65.83	a	72.11	b	72.48	d	83.62	a	98.68		103.17		110.42		113.14	c	106.03		95.28	b	76.46	b	67.25	c	88.71
2021	66.65		71.43		72.00	b	87.96	b	95.21	c	106.43		107.50	a	105.84		101.80		84.68		81.23		66.17	a	87.24
2022	66.52		69.89		78.70	a	85.13		94.58		103.75	b	106.81		105.10		102.62	i	88.67	a	70.89	b	65.10	b	85.01	a
2023	63.57	a	66.30	a	72.00	a	85.76	e	95.43	h	99.28	a	114.21	b	106.67	d	101.67	c	92.00	b	76.27		68.87		86.05	a
2024	65.39		68.86		75.26		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	69.84	i
Period of Record Statistics
MEAN	64.97		70.09		76.49		84.89		93.71		103.31		108.37		106.71		100.96		88.84		74.71		65.30		86.48
S.D.	3.89		3.81		3.98		3.70		3.74		3.30		2.14		2.49		2.88		3.72		3.71		3.22		1.45
SKEW	-1.03		0.14		0.27		-0.18		-0.02		-0.28		0.16		0.03		-0.89		0.03		-0.09		0.15		0.15
MAX	73.73		78.36		86.00		93.60		103.10		108.90		114.21		113.14		106.03		97.35		83.17		73.87		90.12
MIN	50.03		60.75		68.03		75.73		84.35		94.87		102.26		101.13		92.38		79.32		67.03		58.58		82.88
YRS	83		86		86		87		84		86		86		86		87		86		83		86		68