SILVERTON, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(357823)

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
1962	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	74.60		61.42		54.40		47.40	k	63.47	i
1963	41.58		57.18		54.03		55.60		66.68		69.50		72.61		77.42		76.70		64.03		53.20		47.61		61.35
1964	48.23		50.07		51.74		56.43		62.48		68.17		76.39		75.29		70.63		64.77		49.00		44.58		59.82
1965	44.94		50.00		58.77		61.07		63.06		70.47		81.39		78.45		72.83		65.26		53.87		43.81		61.99
1966	45.06		49.75		53.32		61.73		67.48		72.10		76.29		80.13		74.20		62.19		53.73		50.10		62.17
1967	49.58		51.96		51.65		55.27		66.77		75.30		82.61		87.32		80.63		63.10		54.07		46.87		63.76
1968	46.06		57.07		56.71		57.07		64.23		71.07		79.23		75.06		70.97		61.00		53.70		43.55		61.31
1969	39.77		47.86		57.35		58.37		68.81		74.00		77.00		77.16		73.40		60.23		52.77		48.45		61.26
1970	46.00		55.14		55.35		55.53		65.94		76.07		80.81		80.23		69.87		61.81		54.07		45.90		62.23
1971	44.45		48.75		50.61		58.10		66.00		66.50		78.61		81.71		70.13		59.87		50.67		44.52		59.99
1972	43.77		50.00		56.03		55.43		68.16		71.40		82.58		82.94		71.60		62.74		52.97		42.45		61.67
1973	45.35		53.50		54.39		60.43		69.03	a	71.37		81.39		77.00		74.30		60.74		49.10		49.74		62.20
1974	43.45		46.61		54.68		57.93		62.23		73.23		76.74		81.00		82.87		67.77		53.40		49.06		62.41
1975	48.26		49.18		51.48		54.60		66.06		70.83		78.87		73.77		78.73		60.48		51.80		49.00		61.09
1976	47.68		48.83		51.45		57.23		66.61		68.83		77.68		74.42		74.70		65.42		55.50		44.61		61.08
1977	46.10		53.79		51.97		62.70		61.29		73.73		76.90		84.32		70.20		63.71		51.63		48.13		62.04
1978	46.35		51.68		59.26		58.77		63.65		75.13		79.16		77.94		68.63		66.42		48.17		42.03		61.43
1979	37.68		48.21		58.29		58.53		67.45		75.03		80.81		77.45		76.33		66.32		50.23		51.03		62.28
1980	44.06		51.76		52.65		62.10		64.61		67.23		79.16		77.42		75.20		66.45		54.60		50.17	a	62.12
1981	48.23		50.50		58.13		60.03		64.84		68.80		78.10		84.10		75.83		62.26		54.97		48.81		62.88
1982	43.43	a	49.07		54.42		56.50		67.13		74.33		77.90		80.10	a	73.24	a	65.23	a	53.23		48.29		61.91
1983	48.30	a	53.33	a	56.74		60.63		69.19		68.83		72.87		78.32		70.70		62.03		54.32	b	41.79	b	61.42
1984	49.94		53.41		57.13		56.30		62.81		68.73		79.29		79.06		72.03		57.23		51.07		42.06		60.76
1985	40.52		-----	z	53.13		61.97	a	66.55		73.40		84.48		78.06		69.80		62.80	a	44.28	a	40.06		61.37	a
1986	50.97	a	50.56	a	60.19		58.37		65.90	a	76.63		74.13		84.23		68.60		63.90		52.79	a	45.45		62.64
1987	45.87		-----	z	55.97		64.67		69.52		75.97		76.03		80.65		76.96	b	70.81		54.30		43.30	d	64.91	a
1988	44.03	b	50.93		55.63	a	59.90		64.10		70.93		80.03		79.42		75.97		66.32		52.63		45.33	a	62.10
1989	47.16		43.07		52.97		64.83		66.07	a	74.17		74.77	a	75.27	a	77.73		62.10		53.07	b	43.93	a	61.26
1990	48.29		47.00	c	-----	z	63.17		64.84		71.23		82.03		80.21	b	76.57		60.77		53.86	b	39.77		62.52	a
1991	46.72	b	56.25		52.93	b	57.97	a	61.42		66.59	a	81.04	c	80.41	b	78.48	a	65.23		53.04	f	45.74	d	62.98	a
1992	50.40	a	55.21		61.19		63.04	c	74.64	c	78.78	c	80.47	a	82.10	a	72.07		64.74		51.10		44.40	a	64.84
1993	41.21	b	47.21		56.60	a	58.48	a	68.94		69.77		71.52		78.00		78.25	b	67.23		47.13		43.55		60.66
1994	48.33	a	47.75		59.06		60.76	a	68.65		71.13		82.46	c	78.57	a	77.17		61.84		46.50		47.23		62.45
1995	50.42		54.59	a	56.61		58.63		68.90		71.80		79.19		76.16		75.03		61.42		56.86	b	46.81		63.04
1996	46.19		49.59		55.45		61.14	a	62.03		71.97		82.61		80.65		70.60		60.68		51.50		47.38	b	61.65
1997	46.23		50.00		53.63	a	57.97		71.71		70.90		76.97		80.71		74.00		58.42		55.27		44.94		61.73
1998	49.13	a	52.52	a	55.26		59.57		61.65		70.47		78.97		79.29		76.30		61.16		52.50	b	43.67	d	61.71
1999	47.11	c	48.21		51.74		58.63		62.52		68.03		76.77		77.90		76.80		64.29		55.24	a	47.79	b	61.25
2000	45.64	f	49.71	a	51.94		61.17		64.23		74.07		76.61		77.52		72.17		62.33	a	48.33		45.83	a	62.17	a
2001	46.90		49.93	a	54.42		56.80		68.77		69.28	a	76.55		78.65		73.67		61.87	a	54.45	a	45.70	a	61.41
2002	45.45		51.46		50.71		59.10		63.03		73.33		80.81		80.03		75.13		62.45		54.13		49.13		62.06
2003	50.81		51.68		55.03		56.97		64.77		75.43		82.90		79.93	a	76.33		65.39		48.80		45.86	b	62.83
2004	43.32		51.34		58.94		63.70		66.26		73.30		82.19		80.68		69.38	a	62.48		49.47		47.19		62.35
2005	47.68		50.75		58.52		58.83		66.90	a	68.03		79.84		82.74		72.03		61.87		49.73		43.63	a	61.71
2006	48.42		49.57		51.68		61.27		-----	z	73.60		81.61		79.23	a	76.03		62.39		51.73		44.90	a	61.86	a
2007	44.10		49.93		56.84		58.93		66.65		70.80		79.84		77.42		72.23		58.10	a	49.79	a	44.81		60.79
2008	41.61		49.66		50.94		54.77		65.16		69.23		80.10	a	77.90	a	74.70		61.16		53.83		43.19		60.19
2009	44.42		48.64		50.48		58.57		68.03		72.10		82.90		78.84		75.20		60.39		53.33		41.48		61.20
2010	50.39		52.57		55.26		57.73		61.65		67.50		77.84		77.84		71.20		62.23		49.97		47.97		61.01
2011	45.94		46.25		52.10		54.23		60.06		68.13		73.94		78.42		77.00		60.19		49.80		42.77		59.07
2012	46.90		49.55		50.39		60.57		64.81		67.93		75.97		81.03		76.03		63.58		52.77		45.65		61.26
2013	39.48		48.82		55.32		60.67		66.77		72.80		81.35		79.61		71.37		59.90		50.27		39.35		60.48
2014	45.52		45.64		57.00		60.47		69.68		71.07		82.58		83.03		77.23		66.97		51.77		49.29		63.35
2015	48.19		55.18		60.74		60.43		67.39		80.30		84.65		82.71		72.93		66.77		51.40		46.48		64.77
2016	47.35		54.45		55.45		66.00		68.45		74.73		77.42		82.97		72.23		61.00		56.27		41.48		63.15
2017	40.81		48.04		53.52		57.50		67.81		72.90		80.84		84.68		76.10		62.19		52.93		45.52		61.90
2018	49.94		47.89		52.84		60.00		69.42		72.93		84.42		81.65		73.57		65.39		53.93		47.84		63.32
2019	47.84		42.64		54.65		59.57		68.81		74.53		78.00		80.55		70.87		58.97		51.93		45.97		61.19
2020	49.13		50.17		52.55		61.87		67.71		70.47		79.35		81.23		74.20		63.39		52.10		50.58		62.73
2021	49.42		45.83	d	53.10		64.63		68.48		80.40		83.29		81.55		78.57		76.48		55.09	h	44.74		66.05	a
2022	46.42		46.69	o	-----	z	55.28	l	62.00		71.17		82.52		83.87		77.57		68.06		47.10		44.42		64.79	c
2023	47.16		45.93		50.00		57.13		71.55		75.67		83.58		83.77		71.97		62.48		51.07		48.84		62.43
2024	46.10		50.48		54.90		57.50	t	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	50.49	i
Period of Record Statistics
MEAN	46.13		50.28		54.73		59.34		66.17		72.00		79.29		79.80		74.20		63.20		52.04		45.65		61.84
S.D.	3.03		3.13		2.85		2.74		2.96		3.18		3.10		2.77		3.07		3.17		2.57		2.81		1.10
SKEW	-0.67		0.10		0.33		0.30		0.11		0.49		-0.39		0.19		0.24		1.32		-0.70		-0.15		0.34
MAX	50.97		57.18		61.19		66.00		74.64		80.40		84.65		87.32		82.87		76.48		56.86		51.03		64.84
MIN	37.68		42.64		50.00		54.23		60.06		66.50		71.52		73.77		68.60		57.23		44.28		39.35		59.07
YRS	61		59		60		60		60		61		61		61		62		62		60		61		53