DETROIT DAM, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(352292)

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
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	56.69	q	43.35		43.35	k
1955	39.87		43.29		46.03		49.77		61.35		69.70		70.19		79.03		72.53		60.74		44.66	a	44.84		56.83
1956	42.61		40.34		46.35		59.60		65.57	a	66.50		81.26		75.84		74.03		57.29		49.97		44.23		58.63
1957	36.16		45.68		49.35		57.60		64.52		71.30		76.32		74.61		78.43		58.94		49.07		45.87		58.99
1958	44.58		49.82		50.97		54.67		72.39		71.60		84.23		84.61		71.80		66.19		49.03		49.26		62.43
1959	45.39		44.96	a	51.19		60.13		59.67	a	68.67		80.94		78.26		66.17		62.03		52.47		45.03		59.58
1960	38.97		46.34		51.97		56.50		58.90		74.57		84.23		75.10		72.60		62.74		49.83		45.19		59.75
1961	49.81		48.14		48.87		56.33		61.06		76.70		81.13		84.13		68.53		58.87		48.43		42.29		60.36
1962	41.87		46.82		47.35		60.30		55.74		71.83		78.45		74.45		73.83		61.06		51.60		47.39		59.23
1963	40.87		54.54		51.45		50.80		65.48		66.30		70.74		75.23		76.00		61.68		49.90		45.29		59.02
1964	42.71		47.00		48.13		52.97		59.97		66.10		75.84		73.35		69.27		63.97		46.83		43.16		57.44
1965	42.06		47.71		57.10		58.83		61.13		69.70		81.03		77.29		71.53		64.84		51.60		42.10		60.41
1966	42.35		46.18		51.90		61.20		67.29		70.13		75.55		79.55		74.03		62.87		51.40		44.71		60.60
1967	45.13		49.21		48.77		51.20		66.84		74.10		82.48		88.61		81.07		60.06		53.30		40.87		61.80
1968	41.32		55.64	a	55.32		55.47		62.74		70.13		79.32		73.48		71.40		59.19		50.63		40.65		59.61
1969	36.52		43.39		55.42		56.60		69.16		71.00		76.94		76.90		72.03		58.23		52.50		47.58		59.69
1970	45.32		52.79		53.00		51.57		66.06		75.90		82.29		82.39		68.57		61.68		52.13		41.65		61.11
1971	41.19		45.36		46.48		54.80		63.48		64.50		77.13		80.81		68.67		57.71		47.00		41.16		57.36
1972	40.13		46.72		50.61		52.33		66.74		69.97		81.26		81.65		69.23		61.90		50.10		40.87		59.29
1973	41.23	a	50.46		48.81		58.00		66.87		69.87		79.26		75.84		72.10		59.29		45.00	a	45.74		59.37
1974	41.03		43.89		50.16		53.87		59.55		71.47		74.71		78.10		80.80		66.65		50.43		46.84		59.79
1975	45.26		45.32		47.39		51.13		63.00		67.87		76.29		73.71		78.47		58.55	b	47.20		46.23		58.37
1976	44.84		44.82	a	47.94		54.60		65.45		66.27		75.45		72.39		72.97		63.77		54.63		46.00		59.09
1977	43.52		50.86		47.83	a	61.63		57.10		72.80		74.13		82.06		66.07		61.48		47.50		46.60	a	59.30
1978	45.58		49.39		56.90		54.73		59.74		71.63		77.68		74.23		65.33		65.26		45.23		40.97		58.89
1979	38.06		41.75		55.26		54.30		65.61		72.17		79.00		74.94		74.83		64.03		49.27		47.19		59.70
1980	42.55		49.31		48.55		59.23		60.42		63.47		76.19		74.06		70.27		64.03		51.07		45.70	a	58.74
1981	48.00		48.57		52.90		55.23		59.65		65.10		74.06		80.23		72.07		59.26		50.83		44.29		59.18
1982	40.16		45.96		51.45		55.10		65.52		70.63		73.16		75.55		69.13		59.61		47.76	a	43.81		58.15
1983	46.48		47.89		52.32		58.63		66.74		65.73		68.94		75.74		69.70		61.52		50.17		38.45		58.53
1984	45.00	a	47.86		54.19		52.00		60.32		66.20		79.58		78.16		70.17		55.90		47.57		40.65		58.13
1985	43.58		43.14		50.94		59.80		64.03		74.03		85.03		77.29		66.53		59.48		41.03		40.52		58.78
1986	47.90		46.18		56.42		56.20		63.65		75.10		72.87		83.65		67.21	f	64.87		50.93		45.61		60.31	a
1987	42.26		48.38	b	53.13		65.20		66.84		75.77		74.26		80.35		76.80		71.52		52.83		42.71		62.50
1988	42.03		49.86		54.23		58.93		63.26		70.03		81.03		81.77		76.70		69.06		51.67		46.10	a	62.06
1989	44.55		41.21		51.15	d	64.47		63.71		73.87		73.84		73.39		77.20		61.45		-----	z	45.94		60.98	a
1990	45.90		43.25		56.29		62.45	a	62.32		69.20		81.74		79.48		76.27		59.48		49.97		37.19		60.30
1991	43.00		53.18		50.90		54.67		59.58		64.87		80.87		80.90		79.83		66.17	a	51.03		45.58		60.88
1992	46.87		53.03		60.97		61.07		74.06		76.43		79.39		82.84		72.60		62.81		49.70		41.71		63.46
1993	39.00	a	45.11		53.26		54.23		67.87		67.33		69.97		77.19		78.83		64.65		45.50		44.26		58.93
1994	46.55		44.86		56.23		59.53		66.58		68.00		82.61		78.68		76.67		60.39		42.37		42.29		60.40
1995	47.23		51.36		52.65		56.97		67.48		72.07		78.71		76.45		75.60		60.65		55.17		47.13		61.79
1996	44.16		46.28		54.10		58.27		61.48		72.83		83.84		82.94		72.13		60.48		49.50		43.35		60.78
1997	42.97		48.29		51.52		56.93		71.84		70.23		78.10		83.39		74.43		59.29		54.50		44.42		61.33
1998	45.74		48.54		54.17	a	59.07		60.39		71.30		81.52		82.42		79.07		60.42		49.50		41.19		61.11
1999	43.55		43.89		49.58		57.83		62.23		68.77		78.74		78.45		78.77		65.06		52.83		45.90		60.47
2000	41.50	a	46.66		51.74		62.80		63.35		75.83		78.00		81.37	a	73.93		60.83	a	47.40		44.77		60.68
2001	45.87	a	48.39		54.81		56.07		70.84		68.83		77.77		80.06		77.00		61.97		51.50		43.55		61.39
2002	42.19		47.82		49.16		59.17		63.71		73.00		82.71		82.16		77.10		62.61		52.07		45.77	a	61.46
2003	48.81		48.57		51.19		55.50		65.35		77.30		86.29		83.42		77.33		63.61		47.90		44.32		62.47
2004	40.74		48.21		58.68		64.67		64.74		74.20		84.48		82.10		69.20		61.94		50.50		46.10		62.13
2005	44.61		50.79		56.58		58.27		66.23		67.23		82.45		85.74		73.37		61.32		49.03		42.97		61.55
2006	45.37	a	46.93		50.03		60.37		68.94		74.77		83.74		82.55		74.31	a	62.10		48.67		43.74		61.79
2007	41.90		46.18		53.42		58.00		67.68		-----	z	80.81		79.32		71.83		55.97		49.93		42.10		58.83	a
2008	38.77		45.90		47.00		51.93		62.90		69.50		82.35		80.29		74.63		60.58		52.24	a	41.27	e	58.95
2009	43.65		45.74	a	47.35		56.70		67.61		72.87		84.45		-----	z	76.50		58.90		47.87		40.03		58.33	a
2010	-----	z	50.36		53.23		55.77		59.94		67.30		81.55		80.23		70.13		59.77		48.00		43.71		60.91	a
2011	42.52		43.54		47.81		51.90		58.23		68.13		75.03		81.58		78.97		60.26		47.90		43.58		58.29
2012	43.48		46.66		46.26		57.97		65.45		66.83		77.90		83.19		78.53		62.58		50.13		41.90		60.07
2013	40.06		45.21		53.31	b	58.57		67.00	a	71.37		84.19		80.52		70.03		58.35		49.55	a	39.55		59.81
2014	46.71		43.07	a	53.39		59.27		68.00		69.67		82.45		83.00		76.60		62.65		49.70		46.68		61.76
2015	48.00		52.18		59.29		58.60		65.94		80.07		84.42		83.06		71.57		66.26		48.21	a	43.61		63.43
2016	43.26		50.07		51.23		65.00		66.48		73.40		76.71		82.77		69.43		55.58		51.87		38.03		60.32
2017	37.16		43.32		47.65		53.63		65.61		71.67		82.19		85.16		78.20	t	57.83	b	49.17	x	43.90		58.81	b
2018	45.50	a	39.78	s	48.84		57.40		70.10	a	72.47		85.26		82.10	b	70.77		61.13		53.10		44.77		62.86	a
2019	46.74		39.79		52.42		61.27		68.26		73.40		75.37	a	79.29		67.23		56.55	b	50.47		44.10		59.57
2020	41.77		46.48		50.58		59.30		66.55		70.31	a	80.77		81.84		73.63		62.26		47.40		45.50	a	60.53
2021	44.23		42.29		50.77		61.63		63.93	a	77.47		82.55		80.52		72.57		56.23		50.40		40.87		60.29
2022	42.03		45.50		51.48		49.77		56.68		68.17		80.94		82.55		76.27		65.74		46.27		39.65		58.75
2023	42.74		41.75		43.77		51.50		68.65		73.63		82.61		82.58		69.83		60.90		49.80		48.65		59.70
2024	41.87		45.69		49.45		57.73	d	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	48.69	h
Period of Record Statistics
MEAN	43.24		46.92		51.56		57.11		64.43		70.87		79.21		79.63		73.34		61.46		49.61		43.73		60.08
S.D.	2.93		3.34		3.48		3.74		3.86		3.57		4.11		3.62		3.91		3.11		2.69		2.58		1.47
SKEW	-0.18		0.28		0.33		0.05		-0.02		0.15		-0.53		-0.18		-0.00		0.54		-0.63		-0.32		0.22
MAX	49.81		55.64		60.97		65.20		74.06		80.07		86.29		88.61		81.07		71.52		55.17		49.26		63.46
MIN	36.16		39.79		43.77		49.77		55.74		63.47		68.94		72.39		65.33		55.58		41.03		37.19		56.83
YRS	69		69		70		70		69		68		69		68		67		69		67		70		62