KENNEWICK, WA

Average of Average Temperature (Degrees Fahrenheit)

(454154)

File last updated on April 23, 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	33.06	b	-----	z	-----	z	63.85	d	67.08		78.00	a	77.89		63.85		54.23		48.35		34.53		57.87	c
1895	30.81	b	42.48	a	45.76		54.45		62.05	c	68.75		72.27	e	72.13		58.73		52.41	b	-----	z	-----	z	55.98	b
1896	40.72	b	47.89	a	47.57	a	52.00		59.45		70.92		78.31		72.81		63.85		55.85		38.13		36.68		55.35
1897	29.03	b	40.04	b	39.94		54.18		64.55		67.98		72.08		77.47		63.20		53.23		42.65	f	33.22	d	54.08	a
1898	31.47		43.71	b	44.52	b	54.77		63.39		69.80		76.35		79.16		66.15		53.19		43.23		30.34		54.67
1899	33.25	c	32.78	a	45.40		53.70		59.24		67.97		77.76		68.74		67.57		52.15		49.40		37.92		53.82
1900	39.65		37.70		50.62	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	42.65	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	34.88	n	38.16		43.26		56.85		61.06		70.53	l	76.30	p	76.29	b	65.30	b	-----	z	-----	z	-----	z	56.82	f
1905	-----	z	35.81	a	50.19	b	55.35		59.81		-----	z	78.18		74.23		66.65		47.87		39.04	c	33.32	c	54.04	b
1906	36.17	d	39.88	b	43.00	b	57.75	b	62.19	b	66.31	a	86.26	d	75.60	b	64.48	h	55.70	a	36.86	i	36.43	b	55.93	b
1907	22.58		37.11		45.02		51.85		-----	z	66.83		75.24		69.58		61.64	b	57.52	b	44.00		38.81		51.83	a
1908	35.27		37.69		46.95		56.48		59.77	a	70.86	l	79.15		74.32		65.17	a	54.33	a	45.40		35.55		53.64	a
1909	23.69		41.85	a	47.75	a	52.85		60.08		69.48		72.13		70.40		-----	z	52.52	a	46.00	a	27.72	a	51.32	a
1910	30.47		31.96	e	54.72	v	58.22		62.58		68.28		75.05		68.52	e	62.57		59.13	a	43.41	a	38.94		54.47	a
1911	33.91	b	34.82		47.52	f	54.12		59.52		71.64	b	79.00		74.24		64.19	n	52.28	a	39.04	g	32.89	c	54.71	c
1912	27.10	e	41.77	a	44.02	a	54.67	a	63.77		71.91	c	74.94	e	71.53	a	63.33	a	50.71		43.12		34.18	a	53.42
1913	-----	z	28.61	a	44.05	b	55.34	b	61.63		69.43	b	74.95	b	76.91	c	64.22	c	50.63	e	45.50	a	31.80	c	54.83	a
1914	40.55	i	38.15	d	49.12	k	54.80	h	63.08	a	64.45	a	75.55		73.39		62.65		54.80	a	44.15		25.68	a	55.77	c
1915	29.87	a	41.13	e	50.52		56.98		59.03		68.50		70.85		74.60		62.40		57.37		41.54	b	36.13		54.08
1916	19.48	k	34.16		48.37		55.97		58.87		66.33		71.16		72.66		64.72		51.94		35.93	a	29.11		53.57	a
1917	34.10	a	36.88		41.50	a	51.97	a	59.72	f	66.05		74.91	b	73.67	b	65.21	b	54.50		44.31	a	43.73	a	53.35	a
1918	38.84		37.24	a	48.45		55.18		59.02		71.79	b	74.19		70.64	b	66.95	a	57.73	c	42.61	c	37.74		55.03
1919	34.64	b	38.93	a	47.94		55.48		61.03	a	65.48		74.02	g	71.85	a	63.22		50.87		40.10	a	20.35	a	49.99	a
1920	31.50		37.74		47.40	a	51.55	a	58.32		65.15		74.76		70.65	a	62.63		51.44		40.57		37.45	b	52.43
1921	35.52	a	38.91	a	47.65		52.97		62.45	a	69.63		71.53		72.37		59.47	a	53.29		42.58		32.45		53.23
1922	21.57	a	32.54		43.37		50.55		58.76		72.77		76.29		72.57	a	66.07	a	54.40		37.76	a	26.35	a	51.08
1923	39.74		30.16		46.69		54.60		60.98		66.34	b	76.03	a	74.05	a	65.35		52.18		43.70		38.50	d	54.03
1924	27.47	a	45.03		46.02		-----	z	65.82		68.37		74.80	a	71.74		64.13		54.11		41.12		25.73	a	53.12	a
1925	40.52	k	45.88		48.03		56.48		62.73	a	70.45		76.69		71.69		63.25		50.97		39.79	a	39.67	b	56.88	a
1926	35.84	b	44.88		50.58		57.52	c	59.96	h	70.50		76.50		70.84	b	58.59	b	54.18		43.65		32.44	e	54.14	a
1927	30.29	c	40.86		45.70	a	52.36	b	58.23		68.55	a	74.92		72.93	a	61.60		53.79	b	46.78	a	28.76	b	52.90
1928	30.33	b	37.48		48.53		51.88		64.90		68.17	c	76.35		71.87		63.34	a	53.37		41.82	b	32.56	d	53.38
1929	22.48		22.39		48.69		51.67		61.20	a	67.26	a	73.30	a	75.48		61.48		54.35	a	35.40		36.52		50.85
1930	12.28	a	43.35	a	49.27		57.90		60.10		65.85		75.34		74.82		65.03		50.29		40.08		33.77		52.34
1931	37.37		39.45		46.73		53.85		64.34		67.75		76.26		74.32		65.05		52.84		39.37		29.98		53.94
1932	31.27		36.40		46.53		55.35		59.77		70.33	a	71.19		71.98		63.47		54.43	a	45.77	b	32.47	a	53.25
1933	37.80	a	29.98		45.84	b	53.30		57.64	i	69.02		75.95		72.71	e	61.80		56.68	c	43.83	a	45.61	d	53.87	a
1934	41.62	f	42.96	a	51.94		60.66	e	64.94	g	71.77	d	75.50		76.26		63.68		56.81		47.77		39.13	a	58.65	b
1935	35.06		39.05		44.89		51.33		60.68		67.80		73.76		69.77		65.50		50.89		35.23		32.24		52.18
1936	36.52		22.10		45.90	b	55.93		64.08		67.72	a	73.06		72.48		62.23		54.03		31.74	a	37.07	a	51.91
1937	13.65		30.77		47.29		52.45		61.82		66.74	a	75.10		68.68		64.88		55.55		45.25		38.06		51.69
1938	35.94		36.96		46.29		53.55		62.92	a	71.22		78.95		72.87	a	70.78		54.45	a	40.63	c	37.80	a	55.20
1939	38.84		36.82		47.03	a	56.72		65.05		67.72		76.77		75.69		66.70		54.48		39.57		38.65		55.34
1940	32.11		39.90		49.37		55.00		64.85		71.55		76.11		73.92	a	68.34	a	56.65		35.00		35.00		54.82
1941	33.89		39.07		49.74		56.70		62.05		67.78		79.21		72.85		61.71	a	52.29		43.87		38.45		54.80
1942	24.15		38.39		46.58		56.50		60.85		66.63		77.03		76.45	a	67.02		56.37		40.42		36.56		53.91
1943	26.16		38.71		44.15	a	57.12		59.42		65.40	a	76.37	a	71.52		67.47		54.05		40.13		33.61		52.84
1944	32.06		38.28		44.15		54.85		62.76		67.84	a	75.98		72.37		66.92		56.74		40.62		31.97	a	53.71
1945	37.39		42.23		45.15		52.23		62.90	a	66.53	a	75.71	b	73.37	a	62.10		55.78	a	43.47		36.23		54.42
1946	-----	z	-----	z	-----	z	55.15	f	62.42		66.53		73.76		73.29		62.22		49.97		38.70		37.12	a	58.00	d
1947	30.63		39.55		48.60		56.12		67.35		67.40		74.29		70.95	a	65.05		55.77		42.67	a	36.90		54.61
1948	33.78	b	35.72	b	43.81		51.10		59.10		71.40	a	71.55	c	71.35		62.13		49.81		43.05		30.50		51.94
1949	15.61		34.34		46.21		57.24	a	65.08		68.18		72.90		71.84		64.81	a	48.94		46.02		37.21		52.37
1950	15.29		33.09		44.60		51.18		59.00	e	66.98	b	74.76		72.73		64.21	a	51.50		41.92		42.92	m	52.30	a
1951	35.81		39.04		41.90		53.23		62.24		68.43		75.92		72.60		65.35		52.84		40.97		30.31		53.22
1952	28.37		39.81		45.94		56.50		63.52		67.68		74.79		72.77		65.36	a	56.29		35.60		37.55		53.68
1953	46.53		43.04		48.23		52.80		59.37		64.60		74.40		73.30	k	66.31	a	54.74		46.00		42.08		54.37	a
1954	33.83	a	41.64		42.74	b	51.77		61.95		65.59	a	71.19	m	69.16		63.08		50.15		46.93		36.03		51.17	a
1955	33.47	a	37.88		41.94		49.40		57.90	a	69.98		71.12	f	70.03	l	63.03	a	54.48	c	33.93	b	32.24		47.42	b
1956	33.98	a	27.75	k	45.87		56.12		64.37		66.22		74.71	n	72.05		63.48	a	51.85		37.43		37.79		52.92	b
1957	20.26		37.29		45.65		54.68		64.66		70.02		72.40		69.00	d	65.12		50.08		40.33		41.00		52.54
1958	38.61		45.21		44.56		52.63		67.47		72.88		79.11		77.62	j	64.28		53.19		44.14	a	37.40		54.50	a
1959	34.97	a	38.96		47.37		54.77		58.55		68.85		75.15		69.89		62.12		53.21		38.32		34.40		53.05
1960	22.73	c	38.62		45.61		54.73		60.08		68.93		79.15		71.29		64.03		55.17	a	44.80		31.81		53.08
1961	37.40		47.46	a	48.77		55.38		62.50		74.98		78.53		78.77		63.10		52.50		37.40	d	36.90		56.14
1962	33.53		39.07		44.31		57.28		58.74		67.86	a	73.87		72.08	a	65.78		53.08		46.75		39.60		54.33
1963	28.69		40.43		47.55		52.48		62.45		69.53		72.40		73.94		68.73		57.58		46.17		33.58		54.46
1964	39.74		41.57		46.27	c	53.05	a	61.39		67.38		73.66		69.85		62.87		52.76		41.12		31.90		53.46
1965	37.02		42.84		43.65		56.15		61.00		69.02		75.71		73.82		62.33		57.23		46.00		35.71		55.04
1966	37.65		41.57		46.87	a	55.60		64.27	a	67.58		73.12	a	73.53		67.57		53.97		45.17		40.95	a	55.65
1967	43.60	a	45.36		46.97		50.13		61.85		71.75		76.40		77.84		69.67		56.85		42.87		36.40		56.64
1968	38.42		43.59		49.53		52.73		62.84		69.98		76.74		71.28	b	65.95	a	51.52		43.15		34.07	a	54.98
1969	22.16	b	34.22	a	45.95		53.24	a	64.10		72.67		73.00		70.68		65.28		50.23		41.45		35.66		52.39
1970	32.98		41.20		45.23		49.73		61.13		71.08		76.89		73.27		60.15		50.45		41.12		34.60	a	53.15
1971	39.60	a	40.84		43.53		52.37		63.15		65.38		75.61		77.76		60.75		53.53	b	43.70		35.03		54.27
1972	34.58		38.62		49.52	a	51.63		64.19		70.33		74.89		75.21		62.55		51.76		42.35		30.06		53.81
1973	30.90		39.36		49.06		54.75		63.73		69.48		76.23		73.00		64.75		53.69		41.64	a	39.77		54.70
1974	31.68		43.21		47.18		54.15		58.06		71.71	b	73.31		73.89		65.77		51.02		44.00		39.78	a	54.48
1975	33.94		35.80		44.15		49.37		60.18		66.50		77.84		70.86	b	64.80		54.23		42.87		36.79		53.11
1976	37.16		40.36		44.23		52.13		-----	z	65.23		73.12	a	70.28	b	68.50	j	51.48	b	41.48	b	33.50		50.90	b
1977	26.68		41.46		45.90		55.97		56.12	a	71.65	g	72.53		78.18	a	61.53		52.76		40.87		37.24		51.75	a
1978	32.81		39.45		48.27		53.03		58.29	c	69.10		74.05	b	-----	z	62.43	a	51.41	c	34.10		31.16		50.37	a
1979	16.63		36.71		47.56		-----	z	62.50	a	-----	z	75.53		73.56		67.50		-----	z	38.28		38.50	c	50.75	c
1980	27.16		36.26		45.82		56.43		61.63		65.42		75.50		71.19		65.87		53.66		43.83	a	37.78	a	53.38
1981	37.85		40.14		48.32		54.27		59.79		65.05	b	72.65		75.94		64.77		51.79	b	43.17		34.73	a	54.04
1982	32.39	i	39.38	d	45.52	f	48.86	b	58.10	g	69.46	d	72.50	d	74.57	c	63.71	i	51.95	k	40.35	f	35.84	f	60.95	g
1983	39.98	i	42.97	i	50.65	g	53.02	d	64.81	d	67.36	b	70.88	f	75.42	f	62.40	f	51.71	n	47.18	e	25.81	d	51.64	g
1984	36.02	h	41.05	g	49.00	f	52.98	a	57.28	b	66.08		75.75	a	74.25	a	62.98	a	49.94		41.96	b	28.58		56.65	c
1985	27.02		31.46		44.55	b	56.29	a	62.97	a	68.14	a	79.13		70.95	a	60.33		51.69	b	28.46	d	22.97	a	50.33
1986	34.26		39.36		49.68		52.95		61.38	a	72.75		70.68	a	78.31		63.68	b	55.08		45.10		34.06		54.77
1987	32.06		41.22	a	49.26		58.25		65.27		70.42		73.85		72.76		67.76	a	54.13	a	45.90		34.56		55.45
1988	33.75	a	41.07		47.27		55.20		61.95		67.88		75.13		73.40		64.95	a	59.47		46.60	a	34.21		55.07
1989	39.40		26.20		44.57	b	56.28		60.55	a	71.30		73.74		72.48		65.90		54.16		47.12	a	35.34		53.92
1990	42.15		39.30		46.97	a	58.00	a	60.23	a	68.77		77.93	a	75.16		70.30		52.73		47.98		27.95	c	55.62
1991	30.45		44.09		44.21		54.22	a	59.16		64.09	a	75.45		76.90		67.28	a	54.13	a	42.73		39.15		54.32
1992	39.44		42.91		50.00		56.52	a	64.48	a	73.77		73.77		74.90		63.22		55.08		42.65		33.39		55.84
1993	24.58		30.62		42.18		53.42		66.13		67.32		68.85	a	71.93	a	65.18		55.74		36.75		37.47		51.68
1994	40.15		36.70		49.00		57.40		63.89		68.17	a	77.77	a	75.08	a	68.47		54.47		41.52		37.90		55.88
1995	33.27		43.67	a	46.02		52.22	a	62.73		67.22		75.29		70.23	a	68.90		52.55		46.37		35.98		54.54
1996	33.32		33.66		45.34		54.95		58.40		67.53		76.60		73.76		63.77		53.82		40.35		32.26		52.81
1997	34.57	a	40.70		47.90		52.25		64.19		68.40		74.45	a	77.81		67.55	a	54.00		44.05		36.98		55.24
1998	37.42	a	42.73		48.76		53.37		62.26		-----	z	82.10		77.31		70.68		53.81		47.95	b	36.74		55.74	a
1999	41.84		43.96	c	46.72	a	52.27		59.03		68.40		73.35		77.05	b	64.91	a	53.28	b	47.41	b	41.66	b	55.82
2000	36.74		40.43	a	46.32	a	56.55	a	62.74		69.50		75.06		74.97		64.34	a	53.15		36.73		33.00		54.13
2001	34.74		38.05		47.71		51.89	b	63.30	a	66.98	c	75.73	a	77.08		69.10		54.40		45.07		38.72	a	55.23
2002	39.31		40.00	a	43.77		54.33		60.29		71.15		78.35		73.47		66.38		51.26		42.67	a	40.38	a	55.11
2003	40.67	a	41.16		51.37		54.70		61.72	a	71.72		78.88	a	76.71		68.50		59.48	a	40.45		37.07	a	56.87
2004	30.50		38.59		52.21		56.13		62.68		70.55		78.81		77.34		66.30		56.31		42.60		39.18		55.93
2005	32.74		39.21		50.45		55.03		64.82		68.23		77.27		76.37		65.08		56.44		41.97		30.87		54.87
2006	43.34		38.61		47.39		54.38		62.48		70.25		79.90		74.63		66.63		54.16		44.55		32.66		55.75
2007	32.05	a	39.96		48.85		54.12		63.31		69.58		79.81		74.03		66.10		53.48		43.00		37.74		55.17
2008	31.61		42.12		45.00		50.33		63.02		67.36	a	77.16		74.89		65.48		53.08		45.02		30.03		53.76
2009	35.08		37.07		43.66		53.18		62.69		71.55		78.68		77.24		68.83		51.15		44.12		28.45		54.31
2010	39.27		42.30		48.23		53.85		58.48		67.15		76.02		75.21		66.68		55.94		40.60		35.73		54.95
2011	37.11		37.70		46.56		49.88		58.31		67.03		72.44		76.81		69.07		56.29		43.10		33.56		53.99
2012	36.05		39.98		46.94		55.28		61.52		66.60		77.16		76.55		67.18		54.55		44.88		40.74		55.62
2013	32.79		41.64		47.76		54.58		63.56		69.00		79.74		77.45		70.00		51.94		41.33		29.84		54.97
2014	37.13		36.34		47.85		55.40		64.92		69.83		80.84		78.55		68.65		59.90		42.00		38.03		56.62
2015	36.71		44.62		51.77		54.63		66.37	a	77.47		80.42		77.24		65.58		59.77		42.33		38.08		57.92
2016	36.03		45.10		49.65		60.77		65.19		71.30		76.19		76.26		65.70		56.03		49.37		30.69		56.86
2017	23.68		33.95		48.11		53.57		63.21		70.40		79.55		77.44		67.85		54.10		44.88		32.92		54.14
2018	40.12	a	41.12		46.18		54.88		67.89		69.30		78.47	a	76.33	a	65.70		53.53		42.50		39.03		56.25
2019	37.90		26.38		37.56		56.07		64.27		71.75		75.61		77.40		67.98		50.69		40.07		36.34		53.50
2020	40.74		43.60		46.19		55.18		63.48		69.52		76.71		77.16		68.26	a	56.87	a	44.52		37.34		56.63
2021	39.58		37.00		47.89		55.63		63.58		76.53		81.83	b	76.71		67.20		56.03		47.30		38.42		57.31
2022	32.29		39.45		50.18		49.48		58.63		68.88	a	79.69		80.66		70.02		60.65		37.00		26.45		54.45
2023	35.97		37.27	b	44.48		52.85		68.10		72.18		79.61		77.45		67.55		56.08		41.93	a	39.32	a	56.07
2024	30.90		42.22		48.63		54.09	h	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	40.59	i
Period of Record Statistics
MEAN	33.03		38.68		46.64		54.25		62.01		68.85		75.83		73.95		65.07		53.87		42.30		34.90		54.28
S.D.	6.49		4.60		2.53		2.32		2.48		2.45		2.73		2.70		2.59		2.47		3.72		4.30		1.49
SKEW	-1.01		-1.08		-0.39		0.01		0.07		0.67		0.43		0.08		-0.02		0.34		-0.80		-0.63		-0.18
MAX	46.53		47.89		52.21		60.77		68.10		77.47		86.26		80.66		70.78		60.65		49.40		45.61		57.92
MIN	12.28		22.10		37.56		48.86		56.12		64.09		68.85		68.52		58.59		47.87		28.46		20.35		50.33
YRS	116		124		120		121		119		120		120		121		120		122		120		122		90