KENNEWICK, WA

Average of Minimum 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	26.78	a	-----	z	-----	z	48.41	d	53.80		62.50	a	63.26		51.83		41.61		37.77		26.84		45.87	c
1895	23.40	a	32.93	a	33.06		40.17		50.97	b	54.33		58.00	b	55.55		46.60		34.97	a	-----	z	-----	z	43.00	b
1896	28.33	a	35.32	a	32.42		38.67		45.39		54.40		62.23		56.23		47.63		39.48		27.43		30.39		41.49
1897	23.80	a	29.33	a	29.61		39.13		48.35		53.73		55.68		59.00		47.93		38.10		33.85	c	25.83	b	40.36
1898	23.81		33.85	a	31.83	a	40.03		47.23		52.23		58.52		61.74		50.50		39.45		32.07		21.77		41.09
1899	24.52	b	22.46		32.90		40.40		45.42		50.57		59.06		54.39		50.60		40.19		39.87		29.23		40.80
1900	29.52		27.64		36.45		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	31.20	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	25.71	n	29.76		34.16		40.23		43.94		52.84	k	60.40	p	56.45	b	46.21	a	-----	z	-----	z	-----	z	41.79	f
1905	-----	z	23.89		36.71		40.03		46.39		-----	z	61.42		57.84		52.40		35.77		27.32	b	27.40	a	40.92	b
1906	28.00	b	34.00	b	30.57	a	40.31	a	48.48	b	52.59	a	70.74	d	59.00	b	49.75	f	42.80	a	27.52	i	30.57	a	43.71	b
1907	15.48		30.79		36.55		39.07		-----	z	52.43		58.32		55.23		46.27		41.67	a	32.80		33.03		40.15	a
1908	26.13		28.03		34.74		39.87		45.30	a	52.17	l	61.55		55.87		47.07	a	42.20	a	32.83		26.81		40.04	a
1909	15.45		33.30	a	32.84		37.10		44.84		51.47		54.74		49.94		-----	z	39.26		37.70		21.68		38.03	a
1910	22.81		25.28	c	40.85	r	41.43		44.06		49.67		55.65		50.00	c	45.60		44.33	a	34.53		32.26		40.51	a
1911	22.33	a	23.39		30.61	c	36.17		43.97		54.90	a	60.16		55.71		49.05	h	35.83	a	26.57	g	22.90	b	38.60	b
1912	18.79	c	32.50	a	31.60	a	40.76	a	47.26		55.00	c	57.11	d	54.97		46.69	a	37.42		32.43		21.23		39.65
1913	-----	z	18.26	a	32.86	b	41.00	b	46.23		54.71	b	56.45	b	58.75	c	46.11	b	37.96	e	36.76	a	25.71	c	41.35	a
1914	30.32	i	29.58	b	34.26	h	41.91	h	48.55		48.79	a	59.10		57.45		50.17		42.47	a	35.63		18.83	a	43.40	c
1915	23.23	a	32.00	e	37.94		43.70		49.65		54.10		53.97		56.52		47.03		44.42		32.45	a	28.35		41.95
1916	10.08	e	27.34		37.29		42.00		45.19		50.67		56.16		56.48		49.93		35.87		27.45	a	22.16		38.39
1917	25.35		27.82		30.45		40.14	a	47.08	e	49.47		56.69	b	55.69	b	50.60		38.06		34.10		35.93	a	40.95
1918	30.90		27.82		34.87		38.67		44.00		52.97		57.77		55.74		51.20		45.61		32.21	a	30.68		41.87
1919	24.13		28.89		34.32		39.77		44.26		47.73		54.65		54.17	a	47.10		36.10		29.47		11.37	a	37.66
1920	24.26		27.72		35.40	a	37.37		40.90		48.70		56.61		53.45		47.43		38.45		28.60		28.52		38.95
1921	27.00		29.70	a	34.74		39.27		47.23		54.80		53.65		55.39		45.41	a	37.45		32.30		26.19		40.26
1922	14.26		24.36		32.58		38.27		43.58		56.47		59.52		58.00	a	50.03		40.71		31.70		18.29		38.98
1923	33.16		20.75		34.58		40.63		47.13		52.90	a	59.68		57.74		49.20		40.29		34.33		29.30	a	41.64
1924	18.90		35.45		34.03		-----	z	48.19		52.03		58.87	a	56.03		48.53		41.61		34.63		18.42		40.61	a
1925	30.97	b	37.11		35.77		42.27		48.61		55.87		59.23		56.10		49.33		36.71		31.33		33.90	b	43.10
1926	31.13	a	36.00		36.81		40.97		46.84	f	54.77		59.77		54.86	b	44.57	b	41.58		35.13		25.17	a	41.89	a
1927	23.97	a	33.29		34.81		38.45	a	45.52		54.43		58.84		58.45		50.77		42.40	a	38.37		20.72	b	41.67
1928	25.90		27.59		37.10		39.63		48.29		54.62	a	61.45		55.77		47.93		41.35		33.21	a	26.73	a	41.63
1929	16.74		12.36		37.77		39.30		46.23		54.21	a	57.03		58.94		47.60		40.35		22.10		30.10		38.56
1930	3.77		34.50		37.58		43.77		47.16		51.50		59.58		59.61		51.10		38.71		32.27		29.19		40.73
1931	31.39		30.79		36.03		40.37		48.35		55.43		59.74		57.90		52.10		40.13		31.40		24.06		42.31
1932	24.77		28.34		38.13		42.50		47.10		55.00		57.19		57.68		48.03		43.67	a	37.24	a	23.65		41.94
1933	29.87		21.50		35.39		38.13		44.64	i	54.60		59.29		57.42		48.47		42.00	b	35.28	a	37.59	b	41.78	a
1934	33.56	d	31.44	a	37.10		44.58	d	51.31	b	56.86	b	58.26		58.61		49.03		46.19		41.30		34.10		45.19
1935	28.65		30.93		34.48		38.50		44.61		52.93		58.19		53.77		50.17		39.32		27.70		28.84		40.67
1936	31.65		14.90		34.93	a	44.70		51.13		56.20		59.42		58.06		47.03		38.58		21.28	a	29.68		40.63
1937	4.87		22.43		36.84		41.60		46.58		53.60		60.06		54.16		51.33		43.16		38.37		32.55		40.46
1938	29.97		30.46		34.81		39.73		46.23	a	55.07		62.23		56.55		54.47		42.73	a	31.68	b	30.43	a	42.86
1939	31.10		27.93		35.33	a	40.50		48.71		52.57		58.84		56.52		48.77		40.61		27.87		32.71		41.79
1940	27.03		32.79		36.94		41.53		47.97		52.83		59.94		54.77	a	53.41	a	44.00		27.23		27.84		42.19
1941	28.45		29.43		34.65		41.83		48.81		53.20		62.16		58.00		49.00		40.90		33.33		31.48		42.60
1942	17.81		29.93		32.74		41.90		46.81		51.83		60.10		58.20	a	48.73		41.45		34.17		30.29		41.16
1943	18.84		31.21		32.47	a	43.33		45.87		50.57		58.65		54.71		47.53		41.42		33.10		28.39		40.51
1944	24.61		29.76		30.52		40.60		46.97		52.03		58.68		55.03		50.00		41.52		33.57		27.13	a	40.87
1945	31.48		33.46		35.16		39.03		49.16		50.60		57.71		56.00		46.47		40.93	a	34.77		26.94		41.81
1946	27.61		30.61		38.06		40.17		46.71		52.70		57.94		57.48		49.57		39.52		29.83		29.60	a	41.65
1947	23.23		28.89		34.35		42.03		51.52		54.73		59.03		56.58		51.43		47.16		36.43		31.32		43.06
1948	26.52		27.26	b	32.71		40.07		48.13		57.28	a	56.21	c	58.35		48.17		36.81		34.77		23.77		40.84
1949	6.39		25.68		34.97		41.79	a	49.84		51.47		56.42		56.81		50.87		35.97		36.83		28.68		39.64
1950	7.35		23.86		34.94		38.20		43.15	e	53.86	b	57.32		56.19		46.63		41.48		33.03		36.50	m	39.64	a
1951	29.06		29.96		31.29		36.07		46.87		53.00		59.13		57.39		50.23		43.00		32.30		23.58		40.99
1952	22.16		30.86		34.32		40.40		49.00		53.83		56.87		56.97		48.97		41.16		27.60		32.81		41.25
1953	40.26		33.93		36.61		40.20		45.71		51.43		56.84		58.05	j	49.83		42.77		37.33		36.06		42.82	a
1954	26.16		36.46		30.66	b	38.20		46.32		51.62	a	55.11	m	55.00		49.40		38.03		38.97		30.06		40.08	a
1955	28.42		28.32		31.19		38.03		44.07	a	55.03		57.32	f	53.05	l	48.07	a	43.68		27.10		25.81		36.97	b
1956	27.83	a	20.50	k	35.10		40.63		50.23		51.63		59.76	n	56.45		47.38	a	41.10		30.00		31.68		41.20	b
1957	14.26		29.25		36.32		41.23		52.29		55.53		56.94		54.44	d	49.23		40.97		30.03		32.84		41.11
1958	31.19		36.75		33.10		40.87		51.84		58.20		63.29		60.64	i	51.37		39.39		35.97	a	32.10		43.10	a
1959	27.90	a	31.46		36.29		41.40		45.68		55.70		58.87		55.26		50.73		41.32		28.03		28.16		41.73
1960	17.00	b	29.03		33.90		42.20		48.19		53.07		62.61		57.71		48.90		43.68		36.27		27.74		41.69
1961	31.77		39.74	a	38.81		44.37		49.48		58.37		62.23		63.39		50.13		41.35		28.04	c	30.94		44.88
1962	25.90		30.93		33.68		43.77		47.68		52.13		57.26		57.13		51.13		43.77		39.23		34.48		43.09
1963	20.81		33.18		36.55		42.30		48.55		56.07		58.74		59.13		54.63		45.77		39.40		28.74		43.66
1964	32.84		30.59		36.29	c	40.93	a	48.19		53.57		57.42		55.94		49.53		40.71		36.13		26.03		42.35
1965	32.16		33.50		30.03		42.93		47.16		54.83		59.94		60.16		48.20		44.48		39.90		29.06		43.53
1966	31.81		32.75		34.73	a	42.00		48.50	a	53.80		57.03	a	57.97		53.43		41.71		37.53		34.52		43.82
1967	36.61		35.07		37.13		38.60		47.65		56.47		59.84		59.29		54.03		45.55		34.17		29.26		44.47
1968	30.42		34.14		37.71		39.27		49.97		56.27		60.97		59.07	b	53.31	a	41.13		36.50		28.17	a	43.91
1969	15.83	b	27.71		33.65		41.86	a	49.39		58.17		56.77		55.13		52.67		39.13		33.20		30.65		41.18
1970	26.81		33.43		33.55		37.67		45.71		55.97		61.19		56.55		46.53		37.94		33.00		27.43	a	41.31
1971	31.57	a	30.93		33.35		38.37		48.58		51.97		58.39		61.39		47.63		41.10	b	35.10		27.77		42.18
1972	27.26		29.93		37.65		38.77		48.55		55.33		58.35		58.13		47.73		37.55		35.33		22.45		41.42
1973	23.39		30.04		37.03		39.93		47.74		55.03		58.97		55.84		49.03		42.00		34.97		33.16		42.26
1974	24.42		34.79		35.29		42.30		43.45		54.04	b	56.03		56.35		47.23		35.87		36.50		31.57	a	41.49
1975	26.48		26.61		32.32		35.60		43.61		50.97		61.87		55.67	a	46.90		43.97		34.50		29.23		40.64
1976	30.03		31.79		32.00		37.77		-----	z	48.20		56.47	a	55.93	b	54.80	j	39.00		33.89	b	27.06		39.21	b
1977	23.00		32.36		35.32		40.93		44.67	a	55.33		56.26		62.17	a	49.70		39.68		32.70		31.23		41.95
1978	27.52		32.46		36.35		42.03		45.71	c	54.77		58.28	b	-----	z	49.83	a	35.61	c	24.53		22.19		39.03	a
1979	10.48		28.89		35.06		-----	z	49.10	a	-----	z	59.97		59.03		51.70		-----	z	31.27		31.75	c	39.70	c
1980	19.26		29.48		34.23		41.97		47.84		52.03		59.84		55.71		51.33		40.29		35.86	a	30.63	a	41.54
1981	32.42		30.46		34.48		41.40		45.84		52.32	b	56.58		58.00		47.53		37.17	a	31.73		25.97	a	41.16
1982	23.09	i	27.67	d	31.32	f	33.57	b	42.42	g	53.04	d	56.33	d	59.86	c	50.67	i	39.00	k	31.79	f	28.44	f	46.09	g
1983	31.45	i	34.00	i	39.33	g	37.77	d	48.79	c	53.82	b	57.72	f	60.84	f	47.96	f	36.53	n	39.00	e	18.74	d	39.62	g
1984	28.26	h	31.91	g	38.00	f	40.93	a	44.17	b	52.33		59.20	a	57.73	a	49.14	a	35.87		33.87		20.29		43.73	c
1985	22.55		20.18		30.69	b	41.93	a	48.10	a	51.62	a	61.68		55.70	a	46.77		38.21	b	21.19	d	18.10	a	38.06
1986	27.00		29.96		37.94		39.80		47.13	a	56.83		56.60	a	62.71		52.21	b	41.97		38.63		30.26		43.42
1987	26.03		32.26	a	39.26		45.27		52.42		56.47		61.00		57.68		52.03	a	38.83	a	37.63		29.55		44.04
1988	27.13	a	29.48		36.23		43.27		49.61		55.93		60.68		58.16		50.34	a	46.39		38.79	a	28.68		43.72
1989	32.48		18.04		35.69	b	44.37		48.53	a	58.00		59.71		59.81		50.67		42.16		39.72	a	30.94		43.34
1990	36.16		30.36		34.33	a	45.10		48.57	a	56.27		63.80	a	62.32		54.77		41.52		39.87		21.96	c	44.59
1991	23.58		33.96		33.71		42.55	a	48.77		52.62	a	60.90		62.42		51.52	a	40.17	a	37.13		34.00		43.45
1992	33.58		35.38		37.61		44.86	a	49.39		59.97		60.97		60.13		50.03		43.06		36.60		26.97		44.88
1993	19.16		24.61		32.97		43.07		53.74		55.40		57.23	a	58.60	a	49.40		42.94		26.53		33.10		41.40
1994	33.19		29.46		35.87		45.53		51.74		55.17	a	62.30	a	60.90	a	53.40		42.61		33.97		31.03		44.60
1995	27.48		34.52	a	34.97		40.41	a	50.03		55.57		61.87		55.90	a	54.97		42.13		38.57		31.19		43.97
1996	26.61		24.55		35.00		43.37		47.06		53.80		60.87		58.16		50.17		42.68		32.43		25.68		41.70
1997	27.33	a	32.86		37.55		40.47		50.97		56.17		60.57	a	63.61		55.10	a	42.26		36.90		31.19		44.58
1998	30.43	a	34.25		38.00		40.73		51.06		-----	z	67.23		62.19		56.83		42.06		41.14	b	29.45		44.85	a
1999	35.10		35.72	c	36.23	a	39.67		46.68		56.20		59.32		63.69	b	49.21	a	40.77	a	39.57	b	36.17	b	44.86
2000	30.65		32.54	a	35.70	a	43.55	a	51.03		56.27		61.23		60.39		52.34	a	42.71		30.13		28.84		43.78
2001	30.94		30.50		35.90		41.75	b	49.33	a	54.81	c	62.60	a	62.58		54.80		43.42		37.83		33.13	a	44.80
2002	32.16		29.15	a	34.52		42.27		48.13		57.83		63.52		59.29		51.97		38.19		34.76	a	35.33	a	43.93
2003	35.67	a	31.57		41.39		44.10		49.50	a	57.83		63.60	a	62.77		54.50		47.60	a	31.73		31.87	a	46.01
2004	26.55		31.14		40.10		43.37		51.26		58.10		64.61		64.55		54.03		45.19		33.57		32.81		45.44
2005	27.29		26.89		38.23		43.40		53.10		56.27		62.32		61.16		51.83		46.65		35.80		25.68		44.05
2006	36.19		29.46		36.68		42.50		49.00		58.33		64.61		59.87		52.90		42.61		36.83		27.87		44.74
2007	25.70	a	33.14		37.19		42.67		50.16		56.97		65.97		59.90		52.50		43.03		34.07		31.42		44.39
2008	24.52		33.55		33.90		38.30		50.87		54.28	a	63.03		60.74		51.70		40.97		37.93		23.23		42.75
2009	29.13		29.54		34.52		41.00		49.13		58.93		63.45		63.42		54.47		40.84		34.70		22.42		43.46
2010	33.74		33.79		35.71		42.13		47.32		55.60		61.81		61.81		55.93		46.06		33.50		30.32		44.81
2011	30.06		28.36		36.81		39.13		46.77		54.87		58.74		62.19		54.73		46.68		33.07		26.87		43.19
2012	26.06		31.86		36.23		43.57		49.00		54.93		63.32		61.06		52.53		43.16		38.40		35.29		44.62
2013	28.39		31.50		36.52		42.53		51.16		57.10		64.65		64.48		58.93		40.61		33.53		22.65		44.34
2014	31.32		29.89		35.90		43.37		51.55		57.20		66.06		65.19		55.67		49.23		33.47		31.65		45.87
2015	31.87		35.14		39.03		42.03		53.53	a	63.17		66.26		62.52		52.30		48.19		34.33		32.48		46.74
2016	30.97		35.90		39.23		47.50		53.10		57.47		63.45		61.84		52.87		47.81		40.90		23.81		46.24
2017	18.55		26.39		39.42		42.47		49.58		57.33		64.55		61.84		55.57		42.90		36.80		28.26		43.64
2018	34.67	a	31.93		34.52		43.40		55.23		56.57		62.80	a	61.40	a	52.47		42.52		34.80		33.19		45.29
2019	32.48		20.96		27.45		44.90		51.65		58.57		62.23		63.71		56.97		39.10		31.10		31.61		43.39
2020	33.74		31.66		34.71		40.97		51.06		56.83		61.90		62.10		55.17	a	45.43	a	35.80		31.55		45.08
2021	32.77		29.36		35.35		41.63		50.42		63.13		67.38	b	63.19		54.00		44.87		39.50		32.06		46.14
2022	26.71		28.21		39.32		38.50		48.32		57.03	a	64.58		65.58		56.33		48.87		30.23		21.39		43.76
2023	28.90		28.27	b	33.48		41.73		54.81		59.23		64.68		64.55		56.17		45.32		34.83	a	34.47	a	45.54
2024	25.87		34.48		36.71		42.44	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	32.35	i
Period of Record Statistics
MEAN	26.24		29.88		35.10		40.99		48.15		54.54		59.97		58.41		50.57		41.44		33.93		28.42		42.55
S.D.	6.80		4.49		2.43		2.29		2.65		2.73		3.08		3.16		2.99		3.12		4.12		4.63		1.98
SKEW	-1.11		-1.12		-0.32		-0.16		0.12		0.17		0.58		0.20		0.38		0.15		-0.74		-0.75		-0.13
MAX	40.26		39.74		41.39		47.50		55.23		63.17		70.74		65.58		58.93		49.23		41.30		37.59		46.74
MIN	3.77		12.36		27.45		33.57		40.90		47.73		53.65		49.94		44.57		34.97		21.19		11.37		37.66
YRS	120		125		122		122		121		121		121		121		120		122		121		122		98