SILVERTON, OR

Maximum of Maximum Temperature (Degrees Fahrenheit)

(357823)

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
1962	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	91.00		73.00		66.00		58.00	k	-----	z
1963	54.00		67.00		68.00		68.00		93.00		90.00		85.00		90.00		91.00		76.00		62.00		58.00		93.00
1964	60.00		61.00		71.00		67.00		81.00		79.00		90.00		92.00		83.00		83.00		64.00		60.00		92.00
1965	55.00		63.00		70.00		77.00		77.00		84.00		100.00		100.00		88.00		82.00		62.00		61.00		100.00
1966	55.00		59.00		71.00		78.00		84.00		97.00		90.00		92.00		90.00		82.00		63.00		61.00		97.00
1967	56.00		62.00		66.00		65.00		84.00		90.00		98.00		99.00		97.00		74.00		67.00		60.00		99.00
1968	64.00		71.00		67.00		80.00		76.00		91.00		92.00		97.00		90.00		72.00		62.00		55.00		97.00
1969	58.00		56.00		72.00		69.00		86.00		95.00		89.00		89.00		91.00		74.00		72.00		57.00		95.00
1970	59.00		65.00		62.00		65.00		85.00		94.00		97.00		95.00		85.00		89.00		72.00		58.00		97.00
1971	63.00		64.00		61.00		74.00		89.00		85.00		92.00		97.00		82.00		80.00		59.00		52.00		97.00
1972	54.00		62.00		71.00		72.00		89.00		85.00		95.00		101.00		95.00		78.00		62.00		62.00		101.00
1973	59.00		67.00		65.00		71.00		91.00	a	89.00		97.00		90.00		98.00		68.00		64.00		58.00		98.00	a
1974	60.00		54.00		71.00		71.00		77.00		90.00		93.00		95.00		97.00		82.00		62.00		59.00		97.00
1975	61.00		60.00		63.00		68.00		84.00		87.00		93.00		87.00		93.00		89.00		71.00		60.00		93.00
1976	59.00		63.00		66.00		71.00		82.00		87.00		90.00		87.00		87.00		86.00		67.00		58.00		90.00
1977	62.00		67.00		63.00		75.00		73.00		85.00		89.00		104.00		85.00		72.00		63.00		60.00		104.00
1978	57.00		60.00		74.00		74.00		85.00		93.00		98.00		103.00		79.00		81.00		64.00		53.00		103.00
1979	54.00		57.00		73.00		73.00		83.00		90.00		101.00		92.00		94.00		87.00		65.00		61.00		101.00
1980	56.00		59.00		62.00		78.00		76.00		79.00		99.00		90.00		92.00		91.00		66.00		66.00	a	99.00	a
1981	57.00		64.00		73.00		79.00		81.00		85.00		98.00		104.00		99.00		74.00		66.00		59.00		104.00
1982	55.00	a	64.00		65.00		78.00		84.00		98.00		87.00		95.00	a	91.00	a	79.00	a	68.00		60.00		98.00	d
1983	59.00	a	59.00	a	63.00		75.00		102.00		85.00		92.00		91.00		80.00		73.00		64.00	b	56.00	b	102.00	f
1984	75.00		63.00		67.00		76.00		84.00		85.00		92.00		91.00		83.00		81.00		59.00		52.00		92.00
1985	52.00		-----	z	62.00		75.00	a	82.00		95.00		97.00		91.00		85.00		78.00	a	65.00	a	54.00		-----	z
1986	65.00	a	66.00	a	70.00		78.00		89.00	a	92.00		86.00		95.00		89.00		76.00		63.00	a	57.00		95.00	d
1987	58.00		-----	z	68.00		86.00		93.00		94.00		92.00		97.00		98.00	b	88.00		65.00		58.00	d	-----	z
1988	59.00	b	66.00		69.00	a	77.00		86.00		89.00		100.00		99.00		103.00		91.00		66.00		59.00	a	103.00	d
1989	61.00		57.00		65.00		81.00		80.00	a	92.00		83.00	a	86.00	a	93.00		73.00		62.00	b	62.00	a	93.00	f
1990	60.00		67.00	c	-----	z	79.00		84.00		96.00		97.00		97.00	b	94.00		72.00		65.00	b	57.00		-----	z
1991	57.00	b	70.00		66.00	b	72.00	a	74.00		83.00	a	97.00	c	89.00	b	91.00	a	84.00		62.00	f	55.00	d	97.00	v
1992	62.00	a	68.00		70.00		76.00	c	89.00	c	100.00	c	96.00	a	102.00	a	85.00		79.00		59.00		50.00	a	102.00	m
1993	62.00	b	63.00		65.00	a	68.00	a	85.00		85.00		84.00		98.00		89.00	b	81.00		60.00		66.00		98.00	f
1994	57.00	a	57.00		73.00		72.00	a	83.00		83.00		98.00	c	88.00	a	93.00		74.00		55.00		62.00		98.00	f
1995	60.00		65.00	a	73.00		74.00		87.00		93.00		97.00		87.00		86.00		73.00		66.00	b	64.00		97.00	c
1996	60.00		63.00		66.00		75.00	a	79.00		84.00		97.00		95.00		82.00		79.00		62.00		56.00	b	97.00	c
1997	64.00		60.00		71.00	a	72.00		91.00		81.00		89.00		90.00		89.00		69.00		61.00		52.00		91.00	a
1998	58.00	a	66.00	a	66.00		81.00		82.00		82.00		95.00		91.00		92.00		74.00		63.00	b	60.00	d	95.00	h
1999	56.00	c	55.00		67.00		78.00		89.00		83.00		88.00		86.00		93.00		75.00		70.00	a	56.00	b	93.00	f
2000	54.00	f	61.00	a	61.00		74.00		79.00		94.00		89.00		87.00		85.00		78.00	a	56.00		57.00	a	94.00	i
2001	57.00		60.00	a	71.00		76.00		91.00		89.00	a	88.00		92.00		83.00		84.00	a	67.00	a	56.00	a	92.00	e
2002	62.00		63.00		61.00		72.00		80.00		92.00		95.00		100.00		85.00		81.00		62.00		62.00		100.00
2003	62.00		60.00		74.00		68.00		83.00		95.00		97.00		90.00	a	97.00		78.00		58.00		58.00	b	97.00	c
2004	55.00		61.00		73.00		82.00		80.00		89.00		100.00		96.00		85.00	a	76.00		58.00		59.00		100.00	a
2005	66.00		66.00		71.00		75.00		91.00	a	80.00		93.00		93.00		84.00		68.00		60.00		62.00	a	93.00	b
2006	56.00		61.00		63.00		78.00		-----	z	100.00		100.00		91.00	a	93.00		74.00		67.00		56.00	a	-----	z
2007	56.00		63.00		69.00		74.00		86.00		85.00		100.00		91.00		92.00		73.00	a	59.00	a	58.00		100.00	b
2008	53.00		60.00		64.00		80.00		96.00		99.00		91.00	a	98.00	a	89.00		74.00		63.00		61.00		99.00	b
2009	55.00		55.00		61.00		78.00		85.00		86.00		103.00		95.00		90.00		75.00		62.00		58.00		103.00
2010	60.00		62.00		68.00		68.00		74.00		80.00		94.00		97.00		89.00		79.00		71.00		59.00		97.00
2011	58.00		56.00		58.00		66.00		71.00		83.00		87.00		92.00		90.00		73.00		60.00		55.00		92.00
2012	62.00		58.00		65.00		78.00		84.00		82.00		87.00		100.00		93.00		80.00		72.00		58.00		100.00
2013	54.00		56.00		74.00		76.00		84.00		88.00		91.00		90.00		90.00		73.00		58.00		53.00		91.00
2014	55.00		55.00		70.00		76.00		89.00		79.00		96.00		92.00		94.00		81.00		61.00		63.00		96.00
2015	61.00		64.00		68.00		77.00		82.00		93.00		100.00		99.00		87.00		81.00		62.00		62.00		100.00
2016	61.00		62.00		68.00		85.00		83.00		97.00		92.00		100.00		84.00		69.00		67.00		51.00		100.00
2017	56.00		59.00		63.00		68.00		88.00		97.00		89.00		102.00		94.00		72.00		64.00		57.00		102.00
2018	62.00		58.00		69.00		82.00		84.00		87.00		95.00		92.00		85.00		79.00		63.00		58.00		95.00
2019	58.00		54.00		79.00		74.00		84.00		95.00		90.00		99.00		86.00		68.00		60.00		58.00		99.00
2020	60.00		61.00		63.00		74.00		87.00		88.00		99.00		96.00		92.00		76.00		69.00		62.00		99.00
2021	59.00		56.00	d	62.00		81.00		84.00		113.00		94.00		98.00		90.00		85.00		65.00	h	63.00		113.00	l
2022	61.00		58.00	o	-----	z	69.00	l	73.00		95.00		97.00		96.00		91.00		90.00		57.00		60.00		-----	z
2023	59.00		57.00		63.00		87.00		91.00		87.00		95.00		103.00		87.00		87.00		64.00		63.00		103.00
2024	65.00		60.00		72.00		74.00	t	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	58.95		61.32		67.42		74.95		84.13		89.31		93.69		94.44		89.65		78.16		63.53		58.41		97.69
S.D.	3.86		4.11		4.41		5.08		5.89		6.51		4.77		4.95		4.99		6.05		4.02		3.53		3.75
SKEW	1.14		0.15		0.12		0.05		0.14		0.74		-0.25		0.16		0.15		0.39		0.27		-0.24		-0.27
MAX	75.00		71.00		79.00		87.00		102.00		113.00		103.00		104.00		103.00		91.00		72.00		66.00		104.00
MIN	52.00		54.00		58.00		65.00		71.00		79.00		83.00		86.00		79.00		68.00		55.00		50.00		90.00
YRS	61		59		60		60		60		61		61		61		62		62		60		61		45