KENNEWICK, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(454154)

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
1894	-----	z	39.89	a	55.06		69.10		79.30	d	80.37		93.58		92.52		75.87		66.84		58.93		42.23		68.52	a
1895	38.43	a	51.57		58.45		68.73		74.23	a	83.17		87.11	c	88.71		70.87		70.33	a	-----	z	-----	z	69.16	b
1896	52.53	a	60.17		62.23	a	65.33		73.52		87.43		94.39		89.39		80.07		72.23		48.83		42.97		69.09
1897	34.53	a	50.52	a	50.26		69.23		80.74		82.23		88.48		95.94		78.47		68.35		51.30	c	41.28	b	65.94
1898	39.13		53.89	a	56.90	a	69.50		79.55		87.37		94.19		96.58		81.80		66.94		54.40		38.90		68.26
1899	42.83	a	42.70	a	57.90		67.00		73.06		85.37		96.45		83.10		84.53		64.10		58.93		46.61		66.88
1900	49.77		47.75		64.93	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	54.15	i
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1904	44.06	n	46.55		52.35		73.47		78.19		85.45	a	91.84		95.80	a	84.90	a	-----	z	-----	z	-----	z	76.07	d
1905	-----	z	47.37	a	64.00	b	70.67		73.23		-----	z	94.94		90.61		80.90		59.97		50.85	c	39.00	c	67.15	b
1906	43.86	b	45.77	b	55.97	b	75.00	b	75.90	b	80.03	a	101.78	d	92.19		78.71	f	68.35		46.73	h	41.83	a	68.07	b
1907	29.68		43.43		53.48		64.63		-----	z	81.23		92.16		83.94		77.04	b	73.37	a	55.20		44.58		63.52	a
1908	44.42		47.34		59.16		73.10		74.23	a	89.56	l	96.74		92.77		83.28	a	66.23		57.97		44.29		67.23	a
1909	31.94		50.41	a	62.40	a	68.60		75.32		87.50		89.52		90.87		-----	z	65.97	a	54.24	a	33.73	a	64.59	a
1910	38.13		38.79	d	72.31	r	75.00		81.10		86.90		94.45		87.21	c	79.53		73.58		52.72	a	45.61		68.46	a
1911	44.93	a	46.25		64.46	e	72.07		75.06		87.83	a	97.84		92.77		78.82	h	68.65		51.24	e	43.23	a	67.67	a
1912	36.30	d	51.04	a	56.77		68.57		80.29		89.83		92.96	e	88.03	a	80.00		64.00		53.80		47.07	a	67.39
1913	-----	z	39.86		55.19		70.30		77.03		84.66	a	93.07	a	95.07	c	82.11	c	63.31	e	54.30		37.89	c	68.44	a
1914	50.57	h	46.15	b	64.04	h	68.04	f	77.77	a	79.70		92.00		89.32		75.13		66.90		52.67		32.53	a	68.02	c
1915	36.45		50.75		63.10		70.27		68.42		82.90		87.74		92.68		77.77		70.32		51.00	a	43.90		66.27
1916	28.95	i	40.97		59.45		69.93		72.55		82.00		86.16		88.84		79.50		68.00		44.67		36.06		66.19	a
1917	42.67	a	45.93		52.87	a	63.73		72.38	b	82.63		93.00		91.90		79.93	b	70.94		54.48	a	51.65		66.84
1918	46.77		46.85	a	62.03		71.70		74.03		90.75	b	90.61		85.55	b	83.31	a	70.29	c	53.86	b	44.81		68.38
1919	45.34	b	49.15	a	61.55		71.20		77.73	a	83.23		92.04	g	89.53	a	79.33		65.65		50.97	a	29.33	a	63.91	a
1920	38.74		47.76		59.45		65.86	a	75.74		81.60		92.90		88.07	a	77.83		64.42		52.53		46.10	b	65.92
1921	44.13	a	48.11	a	60.55		66.67		77.67	a	84.47		89.42		89.35		73.47		69.13		52.87		38.71		66.21
1922	28.63	a	40.71		54.16		62.83		73.94		89.07		93.06		87.55		82.24	a	68.10		43.79	a	33.60	a	63.14
1923	46.32		39.57		58.81		68.57		74.84		79.52	a	92.30	a	90.43	a	81.50		64.06		53.07		46.71	c	66.31
1924	35.90	a	54.62		58.00		-----	z	83.45		84.70		90.65		87.45		79.73		66.61		47.60		32.73	a	65.59	a
1925	48.32	i	54.64		60.29		70.70		76.67	a	85.03		94.16		87.29		77.17		65.23		48.00	a	45.26		69.49	a
1926	40.57	a	53.75		64.35		74.04	c	73.76	b	86.23		93.23		86.94		72.33		66.77		52.17		39.26	d	66.95
1927	36.52	b	48.43		56.53	a	66.31	a	70.94		82.55	a	91.00		87.30	a	72.43		65.37	a	54.90	a	37.74		64.17
1928	34.62	b	47.38		59.97		64.13		81.52		81.32	b	91.26		87.97		78.93	a	65.39		50.41	a	39.32	c	65.18
1929	28.23		32.43		59.61		64.03		76.07	a	79.90		89.27	a	92.03		75.37		68.67	a	48.70		42.94		63.10
1930	21.47	a	52.22	a	60.97		72.03		73.03		80.20		91.10		90.03		78.97		61.87		47.90		38.35		64.01
1931	43.35		48.11		57.42		67.33		80.32		80.07		92.77		90.74		78.00		65.55		47.33		35.90		65.58
1932	37.77		44.45		54.94		68.20		72.45		85.76	a	85.19		86.29		78.90		65.20	a	54.10	a	41.03	a	64.52
1933	45.67	a	38.46		56.07	b	68.47		70.64	i	83.43		92.61		87.88	e	75.13		71.03	a	52.13		52.86	c	65.80	a
1934	50.19	d	54.82		66.77		76.93	a	79.12	f	85.67	c	92.74		93.90		78.33		67.42		54.23		44.07	a	69.55	a
1935	41.48		47.18		55.29		64.17		76.74		82.67		89.32		85.77		80.83		62.45		42.77		35.65		63.69
1936	41.39		29.31		56.73	a	67.17		77.03		79.24	a	86.71		86.90		77.43		69.48		42.30		44.03	a	63.14
1937	22.42		39.11		57.74		63.30		77.06		80.21	a	90.13		83.19		78.43		67.94		52.13		43.58		62.94
1938	41.90		43.46		57.77		67.37		79.60	a	87.37		95.68		89.13	a	87.10		66.17	a	49.69	a	45.42		67.56
1939	46.58		45.71		58.73	a	72.93		81.39		82.87		94.71		94.87		84.63		68.35		51.27		44.58		68.89
1940	37.19		47.00		61.81		68.47		81.74		90.27		92.29		93.07	a	83.33		69.29		42.77		42.16		67.45
1941	39.32		48.71		64.84		71.57		75.29		82.37		96.26		87.71		74.69	a	63.68		54.40		45.42		67.02
1942	30.48		46.86		60.42		71.10		74.90		81.43		93.97		95.00		85.30		71.29		46.67		42.84		66.69
1943	33.48		46.21		56.39		70.90		72.97		80.03	a	94.23	a	88.32		87.40		66.68		47.17		38.84		65.22
1944	39.52		46.79		57.77		69.10		78.55		83.48	a	93.29		89.71		83.83		71.97		47.67		36.58		66.52
1945	43.29		51.00		55.13		65.43		76.67	a	82.52	a	93.83	b	90.83	a	77.73		70.29		52.17		45.52		67.03
1946	-----	z	-----	z	-----	z	69.50	f	78.13		80.37		89.58		89.10		74.87		60.42		47.57		44.45		70.56	d
1947	38.03		50.21		62.84		70.20		83.19		80.07		89.55		85.37	a	78.67		64.39		49.03	a	42.48		66.17
1948	40.69	b	44.21		54.90		62.13		70.06		85.52	a	86.89	c	84.35		76.10		62.81		51.33		37.23		63.02
1949	24.84		43.00		57.45		72.69	a	80.32		84.90		89.39		86.87		79.31	a	61.90		55.20		45.74		65.13
1950	23.23		42.32		54.26		64.17		75.23		80.27		92.19		89.26		81.34	a	61.52		50.80		45.74		63.36
1951	42.55		48.11		52.52		70.40		77.61		83.87		92.71		87.81		80.47		62.68		49.63		37.03		65.45
1952	34.58		48.76		57.55		72.60		78.03		81.53		92.71		88.58		81.52	a	71.42		43.60		42.29		66.10
1953	52.81		52.14		59.84		65.40		73.03		77.77		91.97		88.90	k	82.59	a	66.71		54.67		48.10		65.91	a
1954	40.90	a	46.82		54.93	a	65.33		77.58		79.55	a	87.28	m	83.32		76.77		62.26		54.90		42.00		62.22	a
1955	38.50	a	47.43		52.68		60.77		71.73	a	84.93		85.59	d	87.00	l	78.00	a	65.11	c	41.18	b	38.68		60.42	a
1956	39.52		35.00	k	56.65		71.60		78.52		80.80		89.65	n	87.65		79.59	a	62.61		44.87		43.90		64.57	b
1957	26.26		45.32		54.97		68.13		77.03		84.50		87.87		83.56	d	81.00		59.19		50.63		49.16		63.97
1958	46.03		53.68		56.03		64.40		83.10		87.57		94.94		94.24	j	77.20		67.00		52.57		42.71		65.93	a
1959	42.03	a	46.46		58.45		68.13		71.42		82.00		91.42		84.52		73.50		65.10		48.60		40.65		64.36
1960	29.28	b	48.21		57.32		67.27		71.97		84.80		95.68		84.87		79.17		66.27	a	53.33		35.87		64.50
1961	43.03		55.57		58.74		66.40		75.52		91.60		94.84		94.16		76.07		63.65		46.23	d	42.87		67.39
1962	41.16		47.21		54.94		70.80		69.81		83.69	a	90.48		86.77	a	80.43		62.39		54.27		44.71		65.55
1963	36.58		47.68		58.55		62.67		76.35		83.00		86.06		88.74		82.83		69.39		52.93		38.42		65.27
1964	46.65		52.55		56.87		65.20		74.58		81.20		89.90		83.77		76.20		64.81		46.10		37.77		64.63
1965	41.87		52.18		57.26		69.37		74.84		83.20		91.48		87.48		76.47		69.97		52.10		42.35		66.55
1966	43.48		50.39		58.87		69.20		79.52		81.37		88.58		89.10		81.70		66.23		52.80		47.23	a	67.37
1967	50.57	a	55.64		56.81		61.67		76.06		87.03		92.97		96.39		85.30		68.16		51.57		43.55		68.81
1968	46.42		53.03		61.35		66.20		75.71		83.70		92.52		83.48	b	78.40		61.90		49.80		39.00		65.96
1969	29.45		40.74	a	58.26		64.80		78.81		87.17		89.23		86.23		77.90		61.32		49.70		40.68		63.69
1970	39.16		48.96		56.90		61.80		76.55		86.20		92.58		90.00		73.77		62.97		49.23		41.84		65.00
1971	47.74		50.75		53.71		66.37		77.71		78.80		92.84		94.13		73.87		65.00		52.30		42.29		66.29
1972	41.90		47.31		61.37	a	64.50		79.84		85.33		91.42		92.29		77.37		65.97		49.37		37.68		66.20
1973	38.42		48.68		61.10		69.57		79.71		83.93		93.48		90.16		80.47		65.39		48.14	a	46.39		67.12
1974	38.94		51.64		59.06		66.00		72.68		88.77		90.58		91.42		84.30		66.16		51.50		48.00	a	67.42
1975	41.39		45.00		55.97		63.13		76.74		82.03		93.81		85.83	a	82.70		64.48		51.23		44.35		65.56
1976	44.29		48.93		56.45		66.50		-----	z	82.27		89.77	a	85.29		83.45	a	64.38	b	49.07	b	39.94		64.58	a
1977	30.35		50.57		56.48		71.00		67.57	a	87.70	g	88.81		94.42		73.37		65.84		49.03		43.26		62.79	a
1978	38.10		46.43		60.19		64.03		71.52		83.43		89.19		-----	z	74.93		67.61		43.67		40.13		61.75	a
1979	22.77		44.54		60.06		-----	z	76.06		-----	z	91.10		88.10		83.30		-----	z	45.30		45.94		61.91	c
1980	35.06		43.03		57.42		70.90		75.42		78.80		91.16		86.68		80.40		67.03		51.47		45.03		65.20
1981	43.29		49.82		62.16		67.13		73.74		77.87		88.71		93.87		82.00		66.37	a	54.60		43.81		66.95
1982	41.13		51.64		59.23		64.63		74.84		85.73		89.68		89.61		79.00		64.74		47.97		42.97		65.93
1983	47.74		52.61		62.16		68.72	a	80.17	a	81.13		86.23		90.29		77.83		67.19		55.20		32.45		66.81
1984	42.48		49.79		60.23		65.03		71.16		79.83		92.52		91.06		76.53		64.00		49.86	b	36.87		64.95
1985	31.48		42.75		58.58		70.40		77.97		84.40		96.58		86.13		73.90		65.16		36.67		27.74		62.65
1986	41.52		48.75		61.42		66.10		75.29		88.67		85.06		93.90		74.50		68.19		51.57		37.87		66.07
1987	38.10		50.11		59.26		71.23		78.13		84.37		86.71		87.84		83.97		69.19		54.17		39.58		66.89
1988	40.39		52.66		58.32		67.13		74.29		79.83		89.58		88.65		79.33		72.55		54.73		39.74		66.43
1989	46.32		34.36		53.94		68.20		72.61		84.60		87.77		85.16		81.13		66.16		54.27		39.74		64.52
1990	48.13		48.25		59.58		70.69	a	71.81		81.27		92.32		88.00		85.83		63.94		56.10		34.06		66.66
1991	37.32		54.21		54.71		66.03		69.55		75.93		90.00		91.39		83.17		67.06		48.33		44.29		65.17
1992	45.29		50.45		62.39		67.83		79.57	a	87.57		86.58		89.68		76.40		67.10		48.70		39.81		66.78
1993	30.00		36.64		51.39		63.77		78.52		79.23		80.87		85.32		80.97		68.55		46.97		41.84		62.01
1994	47.10		43.93		62.13		69.27		76.03		81.70		93.32		89.16		83.53		66.32		49.07		44.77		67.19
1995	39.06		53.11		57.06		64.40		75.42		78.87		88.71		85.00		82.83		62.97		54.17		40.77		65.20
1996	40.03		42.76		55.68		66.53		69.74		81.27		92.32		89.35		77.37		64.97		48.27		38.84		63.93
1997	42.10		48.54		58.26		64.03		77.42		80.63		88.71		92.00		80.07		65.74		51.20		42.77		65.96
1998	44.65		51.21		59.52		66.00		73.45		-----	z	96.97		92.42		84.53		65.55		54.80		44.03		66.65	a
1999	48.58		52.50		57.48		64.87		71.39		80.60		87.39		90.39		80.33		65.80	a	55.97		46.87		66.85
2000	42.84		48.10		57.13		69.60		74.45		82.73		88.90		89.55		76.10		63.58		43.33		37.16		64.46
2001	38.55		45.61		59.52		62.80		77.39		79.15	c	89.03		91.58		83.40		65.39		52.30		44.29		65.75
2002	46.45		50.85	a	53.03		66.40		72.45		84.47		93.19		87.65		80.80		64.32		50.83		45.39		66.32
2003	45.87		50.75		61.35		65.30		73.81		85.60		94.58		90.65		82.50		71.37	a	49.17		42.32		67.77
2004	34.45		46.03		64.32		68.90		74.10		83.00		93.00		90.13		78.57		67.42		51.63		45.55		66.43
2005	38.19		51.54		62.68		66.67		76.55		80.20		92.23		91.58		78.33		66.23		48.13		36.06		65.70
2006	50.48		47.75		58.10		66.27		75.97		82.17		95.19		89.39		80.37		65.71		52.27		37.45		66.76
2007	38.40	a	46.79		60.52		65.57		76.45		82.20		93.65		88.16		79.70		63.94		51.93		44.06		65.95
2008	38.71		50.69		56.10		62.37		75.16		80.45	a	91.29		89.03		79.27		65.19		52.10		36.84		64.77
2009	41.03		44.61		52.81		65.37		76.26		84.17		93.90		91.06		83.20		61.45		53.53		34.48		65.16
2010	44.81		50.82		60.74		65.57		69.65		78.70		90.23		88.61		77.43		65.81		47.70		41.13		65.10
2011	44.16		47.04		56.32		60.63		69.84		79.20		86.13		91.42		83.40		65.90		53.13		40.26		64.79
2012	46.03		48.10		57.65		67.00		74.03		78.27		91.00		92.03		81.83		65.94		51.37		46.19		66.62
2013	37.19		51.79		59.00		66.63		75.97		80.90		94.84		90.42		81.07		63.26		49.13		37.03		65.60
2014	42.94		42.79		59.81		67.43		78.29		82.47		95.61		91.90		81.63		70.58		50.53		44.42		67.37
2015	41.55		54.11		64.52		67.23		79.20	a	91.77		94.58		91.97		78.87		71.35		50.33		43.68		69.10
2016	41.10		54.31		60.06		74.03		77.29		85.13		88.94		90.68		78.53		64.26		57.83		37.58		67.48
2017	28.81		41.50		56.81		64.67		76.84		83.47		94.55		93.03		80.13		65.29		52.97		37.58		64.64
2018	45.57	a	50.32		57.84		66.37		80.55		82.03		94.13	a	91.27	a	78.93		64.55		50.20		44.87		67.22
2019	43.32		31.79		47.68		67.23		76.90		84.93		89.00		91.10		79.00		62.29		49.03		41.06		63.61
2020	47.74		55.55		57.68		69.40		75.90		82.20		91.52		92.23		81.34	a	68.30	a	53.23		43.13		68.19
2021	46.39		44.64		60.42		69.63		76.74		89.93		96.39		90.23		80.40		67.19		55.10		44.77		68.49
2022	37.87		50.68		61.03		60.47		68.94		80.72	a	94.81		95.74		83.70		72.42		43.77		31.52		65.14
2023	43.03		46.27	b	55.48		63.97		81.39		85.13		94.55		90.35		78.93		66.84		49.03	a	44.17	a	66.60
2024	35.94		49.97		60.55		65.84	k	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	48.82	i
Period of Record Statistics
MEAN	40.00		47.57		58.28		67.54		75.85		83.18		91.57		89.51		79.59		66.28		50.68		41.40		65.88
S.D.	6.56		5.10		3.32		3.35		3.36		3.22		3.20		3.16		3.36		2.98		3.83		4.41		1.54
SKEW	-0.75		-0.88		-0.13		0.24		-0.10		0.51		-0.22		0.05		-0.15		0.27		-0.66		-0.46		-0.19
MAX	52.81		60.17		66.77		76.93		83.45		91.77		101.78		96.58		87.40		73.58		58.93		52.86		69.10
MIN	21.47		29.31		47.68		60.47		67.57		75.93		80.87		83.10		70.87		59.19		36.67		27.74		62.01
YRS	120		126		125		122		122		121		123		122		123		124		123		124		97