RICHLAND, WA

Maximum of Maximum Temperature (Degrees Fahrenheit)

(457015)

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
1944	-----	z	-----	z	-----	z	-----	z	97.00	r	100.00		105.00		99.00		102.00		80.00		61.00	b	46.00	j	-----	z
1945	65.00		69.00		73.00		80.00	c	92.00	a	102.00	b	108.00		106.00	a	97.00	c	87.00	e	75.00	d	60.00	f	108.00	y
1946	56.00	f	62.00	c	78.00	b	91.00	b	92.00	b	102.00	c	110.00	a	107.00	c	94.00	a	83.00	c	71.00	c	69.00	f	-----	z
1947	67.00	d	68.00	f	79.00	c	92.00	b	105.00	a	95.00	a	106.00	b	102.00	c	98.00		86.00	a	71.00		58.00		106.00	w
1948	66.00	f	67.00	c	-----	z	-----	z	-----	z	107.00		101.00		97.00		100.00	e	83.00		63.00		56.00		-----	z
1949	51.00		59.00		68.00		88.00		100.00		103.00		106.00		108.00	a	101.00		75.00		74.00	a	62.00		108.00	b
1950	49.00		62.00		67.00		79.00		94.00		102.00		105.00		105.00		106.00		80.00		61.00		64.00		106.00
1951	60.00	a	66.00		68.00		86.00		97.00		95.00		106.00	a	102.00		96.00		80.00		61.00		64.00		106.00	b
1952	50.00		59.00		74.00		90.00		94.00		97.00		108.00		102.00		99.00		88.00		66.00		56.00		108.00
1953	64.00		66.00		72.00		81.00		91.00		89.00	b	105.00	a	106.00		97.00		82.00		73.00	b	60.00		106.00	e
1954	61.00		67.00	a	69.00		84.00	a	98.00		97.00	b	102.00		103.00		94.00		75.00		65.00		55.00		103.00	d
1955	54.00		60.00		68.00		78.00		89.00	a	104.00		109.00		104.00		101.00		80.00		68.00		64.00	a	109.00	b
1956	62.00	a	60.00		69.00		89.00		99.00	a	98.00		107.00		106.00	a	96.00		81.00		65.00		60.00		107.00	c
1957	49.00		67.00		65.00		92.00		99.00		101.00		102.00	a	99.00		98.00		84.00		64.00		61.00		102.00	a
1958	62.00		68.00		67.00		80.00	a	102.00		110.00		110.00		107.00		100.00		89.00		67.00		66.00	a	110.00	b
1959	61.00		63.00		68.00	a	80.00		91.00		97.00		105.00		102.00		92.00		81.00		73.00		65.00	a	105.00	b
1960	53.00	a	60.00		82.00		83.00		88.00		94.00		107.00		102.00		91.00		85.00	a	67.00		52.00		107.00	b
1961	61.00		65.00		73.00		77.00		95.00		108.00		108.00		113.00		91.00		82.00		59.00	a	59.00		113.00	a
1962	62.00	a	60.00		68.00		86.00		81.00		99.00	a	104.00		101.00		95.00		77.00		69.00		55.00		104.00	b
1963	59.00		63.00		73.00		76.00		93.00		102.00		95.00		100.00		97.00		86.00		64.00		54.00		102.00
1964	55.00		65.00		78.00		75.00		86.00		95.00		104.00		95.00		89.00		78.00		62.00		58.00		104.00
1965	64.00		69.00		72.00		83.00		91.00		92.00		100.00		103.00		90.00		84.00		69.00		57.00		103.00
1966	56.00		63.00		77.00		81.00		95.00		94.00		101.00	a	102.00		97.00		86.00		64.00		59.00		102.00	a
1967	65.00		63.00		70.00		72.00		93.00		98.00		104.00		105.00		98.00		80.00		73.00		63.00		105.00
1968	67.00		68.00		70.00		90.00		88.00		99.00		110.00		100.00		96.00		84.00	a	62.00	a	61.00		110.00	b
1969	52.00		50.00		76.00		78.00		93.00		99.00		99.00		96.00		95.00		75.00		66.00		56.00		99.00
1970	54.00		61.00		68.00		71.00		93.00		101.00		103.00		100.00		90.00		87.00		62.00		63.00		103.00
1971	71.00		73.00		67.00		76.00		90.00		97.00		105.00		106.00		90.00		82.00		62.00		58.00		106.00
1972	62.00		71.00		76.00		78.00		95.00		98.00		100.00		106.00		94.00		83.00		63.00		65.00		106.00
1973	61.00		64.00		70.00		80.00		95.00		98.00		104.00		101.00		98.00		78.00		67.00		59.00		104.00
1974	65.00		61.00		74.00		77.00		85.00		102.00		102.00		106.00		98.00		83.00		69.00		60.00		106.00
1975	60.00		62.00		65.00		74.00		89.00		96.00		108.00		97.00		95.00		81.00		77.00	b	65.00	a	108.00	c
1976	64.00		63.00		72.00		78.00		90.00		100.00		101.00		95.00		99.00		88.00		69.00		61.00		101.00
1977	63.00		71.00		73.00		92.00		80.00		99.00		98.00		106.00		88.00		78.00		69.00		63.00		106.00
1978	52.00		60.00		77.00		76.00		89.00		99.00		105.00	a	105.00		88.00		79.00		70.00	b	54.00		105.00	c
1979	39.00		62.00		75.00		81.00		90.00		101.00		109.00		100.00		92.00		84.00		58.00		58.00		109.00
1980	52.00		60.00	a	65.00		89.00		87.00		87.00		103.00		98.00		-----	z	88.00		68.00		65.00		-----	z
1981	53.00		64.00		69.00		86.00		90.00		93.00		100.00		105.00		96.00		80.00		70.00		59.00		105.00
1982	59.00	a	68.00	a	68.00		81.00		87.00		99.00		104.00		102.00		93.00		78.00		65.00		63.00		104.00	b
1983	64.00	b	63.00		67.00		78.00		101.00		90.00		99.00		100.00		85.00		74.00		67.00		50.00		101.00	b
1984	60.00		60.00		65.00		84.00		93.00		94.00		104.00		101.00		93.00	c	85.00	e	60.00	c	53.00	e	104.00	p
1985	41.00	b	61.00	c	69.00		83.00	b	95.00	b	102.00	a	106.00	b	97.00	c	84.00	b	78.00	e	67.00	d	44.00	a	-----	z
1986	56.00	b	73.00	b	76.00	c	86.00	a	104.00	e	102.00	c	98.00	d	102.00	e	90.00	e	83.00	c	66.00	a	53.00	e	-----	z
1987	54.00	e	59.00	f	71.00	d	89.00	h	96.00	f	101.00	f	91.00	w	100.00	g	100.00	f	83.00	e	64.00	f	63.00	e	-----	z
1988	57.00	f	69.00	c	69.00	g	81.00	e	92.00	a	93.00		101.00		99.00		95.00		86.00		66.00		59.00		101.00	v
1989	63.00	b	52.00		68.00		79.00		85.00		93.00		95.00		99.00		91.00		80.00		73.00		58.00		99.00	b
1990	65.00		63.00	a	72.00		78.00		86.00		94.00		105.00		103.00		95.00		80.00		68.00		56.00	a	105.00	b
1991	57.00		62.00		68.00		79.00		77.00		89.00		100.00		98.00	a	90.00		86.00		64.00		57.00		100.00	a
1992	59.00		62.00		72.00		81.00		92.00		103.00		102.00		104.00		87.00		82.00		60.00	b	54.00		104.00	b
1993	55.00		50.00		67.00		72.00	a	99.00		93.00		92.00		96.00		93.00		81.00		64.00		66.00		99.00	a
1994	-----	z	58.00		76.00		84.00		89.00	b	94.00		104.00		-----	z	-----	z	78.00		61.00		64.00		-----	z
1995	66.00		72.00		-----	z	77.00		91.00		94.00		100.00		96.00		96.00		-----	z	66.00	a	60.00		-----	z
1996	56.00		67.00		66.00		81.00		81.00		91.00		103.00	a	102.00		90.00		79.00		65.00		52.00		103.00	a
1997	55.00		63.00		75.00		74.00		88.00		91.00		96.00		100.00	a	89.00		73.00		61.00	c	60.00		100.00	d
1998	56.00	a	56.00		68.00		89.00		89.00		95.00		106.00		106.00		98.00		78.00	a	-----	z	58.00		-----	z
1999	60.00		63.00		71.00		79.00		92.00		98.00		100.00		100.00		89.00		78.00		76.00		61.00		100.00
2000	53.00		57.00		66.00		79.00		85.00		95.00		100.00		96.00		92.00		76.00		60.00		48.00		100.00
2001	56.00		55.00		70.00	a	82.00		99.00		94.00		100.00		100.00		-----	z	83.00		67.00		59.00		-----	z
2002	65.00		64.00		68.00		75.00		83.00		101.00		106.00		98.00		92.00		78.00		62.00		61.00		106.00
2003	64.00		62.00		77.00		77.00		90.00		94.00		103.00		98.00		96.00		85.00		67.00		50.00		103.00
2004	60.00		57.00		74.00		81.00		83.00		97.00		102.00		101.00		86.00		78.00		63.00		61.00	a	102.00	a
2005	63.00		60.00		74.00		80.00		94.00		93.00		100.00		99.00		88.00		73.00		58.00		51.00		100.00
2006	59.00		58.00		66.00		83.00	b	96.00	a	100.00		108.00		97.00		93.00		72.00	a	70.00		56.00		108.00	d
2007	56.00		66.00		76.00		77.00		90.00		96.00		104.00	a	98.00		90.00		75.00		70.00		65.00		104.00	a
2008	54.00		64.00	c	62.00		80.00		94.00		99.00		97.00		101.00		89.00		80.00		69.00		51.00		101.00	c
2009	61.00		58.00		69.00		83.00		95.00		92.00		100.00		102.00		93.00		69.00		64.00		52.00		102.00
2010	56.00	b	61.00	a	69.00		80.00		83.00		90.00		99.00		98.00		86.00		83.00		69.00		58.00	a	99.00	d
2011	63.00		64.00		72.00		74.00		80.00		90.00	a	96.00		96.00		94.00	a	78.00		67.00		60.00		96.00	b
2012	57.00		62.00		71.00		88.00	a	90.00		88.00		101.00		100.00		91.00		80.00		68.00	a	60.00		101.00	b
2013	54.00		57.00	a	73.00		83.00		93.00		96.00		103.00		103.00		95.00		70.00		64.00		58.00	a	103.00	b
2014	58.00		60.00		67.00	c	80.00	a	87.00		89.00		104.00		99.00		88.00		88.00		69.00		65.00		104.00	d
2015	57.00		66.00		77.00		83.00		90.00		108.00		103.00		100.00		90.00		81.00		64.00		66.00		108.00
2016	58.00		64.00		73.00		86.00		88.00		99.00		101.00		97.00		90.00		77.00		67.00		54.00		101.00
2017	41.00		53.00		64.00		69.00		93.00		99.00		101.00		99.00		95.00		74.00		67.00		55.00		101.00
2018	54.00		67.00		65.00		85.00		90.00		91.00	a	102.00		101.00		90.00		74.00		69.00		57.00		102.00	a
2019	53.00		41.00		69.00		79.00		86.00		96.00		98.00		101.00		90.00		76.00		65.00	a	63.00		101.00	a
2020	65.00		64.00		65.00	a	78.00		92.00		102.00		113.00		112.00		103.00		93.00		78.00		63.00	b	113.00	c
2021	57.00	b	61.00	b	70.00	a	85.00		88.00		112.00		103.00	a	100.00		92.00	b	75.00		70.00		69.00	a	112.00	i
2022	56.00		68.00		71.00		69.00		78.00		97.00		104.00		104.00		97.00		83.00	a	63.00	b	56.00		104.00	c
2023	57.00	a	56.00		62.00		85.00		94.00		96.00		99.00	a	103.00		89.00		79.00		62.00		52.00	a	103.00	c
2024	52.00		59.00		77.00	a	80.00	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	57.89		62.29		70.66		80.99		90.92		97.20		102.87		101.35		93.49		80.56		66.38		58.65		103.95
S.D.	6.02		5.41		4.30		5.33		5.75		5.12		3.94		3.72		4.51		4.69		4.43		4.91		3.48
SKEW	-0.73		-0.82		0.29		0.12		-0.04		0.43		-0.07		0.63		0.27		-0.04		0.39		-0.40		0.43
MAX	71.00		73.00		82.00		92.00		105.00		112.00		113.00		113.00		106.00		93.00		78.00		69.00		113.00
MIN	39.00		41.00		62.00		69.00		77.00		87.00		92.00		95.00		84.00		69.00		58.00		44.00		96.00
YRS	76		78		77		77		77		79		79		78		76		79		78		77		63