WATERVILLE, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(459012)

File last updated on April 20, 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
1893	8.79	c	6.89		15.19	j	31.07	a	38.90		42.23		47.39		51.13		43.52	a	30.87		19.63		21.65		31.10	a
1894	11.65		12.08	b	31.83	y	33.00		39.00		43.00		49.87		51.65		40.43		31.90		29.03		14.24	b	32.35	a
1895	11.86	b	21.43		27.03		-----	z	39.06		45.07		48.55		50.03		39.00		35.13		22.10	a	20.93	a	32.75	a
1896	15.30	a	21.52	b	23.16		29.00		36.52		45.53		45.42		53.74		39.07		33.84		15.13		20.10		31.53
1897	11.79	c	14.07		14.61		36.07		44.90		42.60		45.23	a	50.10		39.57		32.61		20.52	a	11.13	a	30.27
1898	7.61		21.54		21.16		33.20		38.50	k	40.43		47.87		-----	z	43.96	e	28.03		19.97		10.47	a	27.42	b
1899	16.52	b	14.12	b	23.77		31.40		33.45		45.43		51.84		46.65		44.23		32.94		33.17		20.06		32.80
1900	19.48		17.61		30.16		34.67		40.00		50.07		49.87		46.68		42.90		32.77		21.83		27.68		34.48
1901	14.84		14.68		26.68		32.37		40.29		42.60		47.90		53.42		41.13		39.71		25.59	a	19.97		33.26
1902	15.30	a	20.35	b	26.17	b	31.69	a	42.50	a	41.87		48.32		49.71		39.97		35.45		25.28	a	14.55	b	32.60
1903	15.29		10.46		19.65		31.03	a	39.00		49.17		47.90		51.10	a	43.00	b	35.79	b	23.04	b	16.17	a	31.80
1904	16.10	a	13.48		17.48		35.27		39.57	a	47.32	b	52.23	a	54.13		45.63		37.40	a	31.83	a	19.79	b	34.19
1905	17.75	c	14.93		31.16		35.63		38.35		46.29	b	52.65		49.06		43.48	a	29.10		24.47		15.52		33.20
1906	13.48		19.04		21.19		36.55	a	42.30	a	42.30		57.61		52.00		46.69	a	35.87	a	26.67		20.21	c	34.49
1907	2.24	b	16.39		21.26		28.50		40.10		43.93		50.00		45.14	j	42.80		37.11	d	26.63		18.00		29.72	a
1908	12.57	a	16.07		23.94		31.45	a	35.91	i	45.21	f	53.94		-----	z	41.76	e	31.56	d	26.35	d	14.04	c	27.96	c
1909	-2.59	b	14.50	f	24.55	k	30.00	k	38.42	e	-----	z	-----	z	46.93	p	44.54	b	33.70	a	26.97	a	8.97	a	25.00	f
1910	10.07	a	9.43		31.68		-----	z	41.70	a	42.07	a	50.42		48.67	g	41.93	c	33.84		22.00	c	17.90	a	30.10	b
1911	7.74		10.75		26.32		29.57		37.16		45.24	a	50.52		47.81		39.41	a	30.28	b	21.32	h	13.71	j	32.48	b
1912	10.63	a	19.79	a	18.74		33.97	a	40.07	c	46.40		48.41	b	47.81		38.28	a	29.80	a	28.17	l	18.00	a	31.99	a
1913	5.60	a	10.44	a	22.60	a	32.10		40.32	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	22.21	g
1914	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.30		39.97		29.23	h	9.61		30.96	i
1915	13.52		22.68		30.77		37.83		41.81		46.50		51.90		55.90		43.17		36.52		21.27		17.19		34.92
1916	0.94		16.90		26.97		35.57		38.52		46.40		48.68		51.90		45.79	a	32.16		18.33		9.35		30.96
1917	11.87		14.70	a	21.52		31.63		40.74		44.17		53.03		54.06		45.40		36.87		30.83		18.61		33.62
1918	21.57	a	16.04		25.87		33.23		38.63	a	49.37		53.84		49.97		50.27		38.48		27.37		21.39		35.50
1919	15.81		13.71		25.68		35.53		40.52		43.87		53.71		53.00		45.20		31.35		21.37		10.97	b	32.56
1920	-----	z	-----	z	-----	z	-----	z	36.00	g	42.78	u	51.97		52.87		43.57		33.97		27.67		20.71		38.46	f
1921	15.35		19.25		28.00		32.23		41.45		46.57		47.84		51.00		39.13		35.55		23.83		15.90	a	33.01
1922	7.00	c	6.30	a	21.87		32.13		38.26		50.77		53.97		53.00		45.80		37.68		24.97		8.23		31.66
1923	18.52		13.96		26.58		36.03		40.94		46.33		54.52		53.19		46.30		35.94		29.00		19.03		35.03
1924	9.71		25.69		27.52		32.67		45.13		46.40		52.16		51.90		44.43		35.81		22.33		10.89	d	33.72
1925	16.27	a	25.43		31.55		37.87		43.48		50.00	a	56.87		52.00		46.43		33.39		24.28	a	27.77		37.11
1926	20.03		25.79		31.97		39.40		39.42		49.90		57.35		52.53	a	39.67		36.52		29.48	a	16.03		36.51
1927	13.23		19.89	a	25.50	c	32.83		38.94		49.83	a	53.84		53.03		45.47		37.42		26.03	a	10.84		33.90
1928	18.97		22.03		29.87	a	31.73		43.42		48.03		56.23		52.35		45.43		35.13	a	26.60		16.94		35.56
1929	3.85	d	8.77	b	29.75	c	31.41	a	40.52		47.52	a	50.61		54.29		44.63		37.42		21.17		20.50	a	32.54
1930	-2.43	c	21.68		30.74		38.48	a	39.73	a	44.80		53.80	a	55.24	b	47.34	a	31.87	h	24.67		18.77	a	33.89	a
1931	20.44	d	19.00	b	28.23		34.57	b	44.29		48.10		52.55	b	52.55		43.76	a	33.87	a	21.37		12.50	a	34.27
1932	12.30	a	15.72		28.48		35.17	a	40.61		48.17		49.65		52.17	a	43.86	a	35.27	a	30.10	a	14.52		33.84
1933	16.35		10.96	a	27.00		33.93		37.90		44.93	a	52.53	a	52.97		41.60		37.26		30.13		25.29		34.24
1934	25.21	b	29.56	a	33.16		40.90	a	42.10	a	46.76	a	52.29		53.10		42.48	c	38.07	d	32.07	b	21.03		38.06
1935	16.83	b	22.61		24.74		31.07	a	39.39		45.32	b	50.52	b	49.03	a	47.07		32.64	f	20.80		20.55		33.45	a
1936	16.48		-1.32	a	25.84		37.59	a	46.27	a	48.23		51.26		52.13		42.21	a	37.21	b	20.43		21.59	b	33.16
1937	-2.93	c	13.68		30.63	a	33.33		39.55		47.57		54.37	a	48.90		47.00		37.97	a	29.57		21.73	a	33.45
1938	19.39		18.21		25.57	a	34.97		40.97	a	49.13		56.81		49.74		50.28	a	37.35		24.53		18.26		35.43
1939	23.32		16.50		27.81		36.30		43.00		46.07		53.43	a	54.10		46.30		36.81		28.27		25.30	a	36.43
1940	19.87		22.72		32.16		37.27		43.65		50.30		54.00		53.07	a	50.31	a	38.68		20.87		20.45		36.95
1941	19.10		22.33	a	33.10		37.50		41.50	a	48.00	a	57.00		52.68		42.30		35.10		29.23		22.19		36.67
1942	14.90		19.79		26.10		36.90		40.29		45.27		53.90		54.94		45.86	a	36.53	a	23.37		17.58		34.62
1943	6.10		22.29		22.35		35.60		38.90		44.67		51.52		49.48		47.73		38.87		29.13		20.20	a	33.90
1944	16.77		18.86		25.93	a	34.33		42.03		47.79	a	54.16		51.61		49.18	b	42.23		28.64	b	14.13	a	35.47
1945	20.94		23.86		26.68		32.73		42.10		45.52	a	54.29	c	53.52	f	43.45	j	36.45	i	23.34	a	21.10		32.28	c
1946	17.77	a	21.57		29.23	a	34.72	a	44.06		46.37		53.52		53.10		-----	z	33.23		21.40		20.06		34.09	a
1947	12.73	a	23.79		32.52		36.93	a	46.94		47.77		52.74		51.54	c	45.81	c	37.07	a	29.52	a	21.52		36.57
1948	16.39		15.59		25.39		32.87		42.03		52.73		51.52		51.35		44.73		34.87		27.03		11.42		33.83
1949	0.87		13.21		29.32		36.93		46.13		47.90		52.13		53.39		48.40		33.58		32.67		19.32		34.49
1950	-4.71		18.79		25.58		32.63		40.00		49.23		53.74		55.29		47.30		36.00		27.59	a	24.48		33.83
1951	15.93	b	18.79		21.32		35.53		42.13		48.43		53.55		53.23		46.93		36.61		26.03		13.31	b	34.32
1952	10.83	a	19.52		25.93	a	35.87		42.71		46.90		54.42		53.71		48.87		41.42		22.47		19.42		35.17
1953	23.26		-----	z	29.94		32.20		37.58		42.43		49.43	a	49.87		43.24	a	35.68		29.00		26.03		36.24	a
1954	12.68		23.11		24.97		27.53		38.58		41.57		47.29		47.90		43.63		31.84		32.28	a	19.40	a	32.56
1955	16.26		16.57		19.77		28.87		36.68		45.87		50.52		49.97		44.33		34.19		16.21	a	11.29		30.88
1956	13.87		7.69		21.48		34.23		43.43	a	43.63		53.40	a	51.39		44.83		34.74		22.73		19.67	a	32.59
1957	3.58		13.89		26.29		35.50		45.52		46.53		48.10		47.39		47.03		34.10		25.33		24.43	a	33.14
1958	21.90		28.89		27.97		32.90		45.93	b	51.53		55.00		55.30	a	43.70		36.06		22.17		20.68		36.84
1959	14.97		19.11		26.10		32.47		36.23		41.00		48.58		45.61		41.77		34.71		21.59	c	21.00		31.93
1960	18.37	a	17.93		25.06		34.03	a	37.87		45.17		51.71		45.61		37.73		36.90		20.70		12.84		31.99
1961	16.65		23.04		26.32		32.23		37.74		46.83		-----	z	53.55		39.27		29.61		17.90	a	13.06		30.56	a
1962	9.47	a	19.64		22.97	a	32.73		36.42		41.17		46.23		49.23		40.60		36.55		29.33		15.87	a	31.68
1963	14.97	a	21.50	b	-----	z	-----	z	-----	z	47.15	c	48.42		49.77		46.93		35.61		26.20		16.29		34.09	c
1964	14.94		17.45		26.52		31.67		37.77		45.70		48.68		46.61		40.60		32.32		26.00		10.19		31.54
1965	18.21	b	21.18		23.19		33.77		37.97		45.61	b	52.10	b	53.97	b	42.47		34.71		28.83		17.83	a	34.15
1966	14.10		21.11		24.16		34.07		41.39		44.27		51.10		51.81		48.30		33.03		27.97		24.94		34.69
1967	24.84		26.43		25.19		29.13		39.97		50.03		54.39		54.68		48.27		34.77		23.90		15.84		35.62
1968	15.84		23.62		30.94		32.10		40.90		48.20		54.42		50.26		44.83		30.94		-----	z	12.17	a	34.93	a
1969	1.10		13.82		24.42		33.23		43.61		53.10		49.87		47.74		43.93	a	29.84		23.97	a	19.68		32.03
1970	14.06		23.14		25.03		31.20		38.39		50.55	a	53.19		51.72	b	38.70		31.29		25.07	a	11.65		32.83
1971	16.83	a	26.07		23.03		-----	z	42.71		45.03		53.35		55.29		39.67		32.32		25.23		9.48		33.55	a
1972	-----	z	16.59		28.84		28.80		43.52		49.17		49.32		52.97		40.53		31.61		30.81	d	14.45		35.15	a
1973	12.17	a	22.43		29.68		33.10		41.16		46.70		53.52		52.32		45.67		35.65		20.27		22.73	a	34.62
1974	13.21	b	24.32		26.77		35.27		37.87		48.10		51.17	a	52.42		44.80		33.39		29.23		22.19		34.90
1975	12.58		15.07		22.57	a	31.17		39.03		47.03		55.74		49.77		43.90		34.58		23.00	a	20.03		32.87
1976	16.10	a	18.72		22.35		32.23		38.55		43.50		51.90		50.35		46.83		32.10		23.03		18.39		32.84
1977	11.45		23.56	a	28.32		34.97		38.65		50.63		51.29		55.90		41.60		32.58		23.03		17.03		34.08
1978	18.06		22.93		28.45		34.90		39.55		48.63		53.00		50.65		42.87		31.77		18.87		8.23		33.16
1979	2.48		17.70	a	28.45		-----	z	-----	z	-----	z	-----	z	53.39		45.63		37.68		23.21	b	25.07	a	29.20	d
1980	-----	z	22.11	a	26.39		37.03		43.28	b	46.70		51.47	a	49.37	a	46.47		33.63	a	28.33	f	19.57	a	37.60	b
1981	27.79	b	22.04	a	30.85	d	32.97	a	41.27	a	45.36	b	47.55		54.19		44.37		32.61		27.67		18.87	a	35.46
1982	13.13	a	16.25		25.80	a	28.83		38.81		50.68	b	52.00		52.19		45.75	b	34.23		20.81	c	15.13		32.80
1983	24.50	a	26.26	a	32.50	c	33.83		43.71		47.27		49.84		53.03		41.87		33.34	b	28.31	a	5.87	a	35.03
1984	18.65		22.93		29.71		32.07	a	38.16		46.73		53.23		53.06		42.77		31.00		25.38	a	6.16		33.32
1985	14.13		14.44	a	24.83	a	36.21	b	43.14	b	47.77		58.19		51.00		40.71	b	34.57	a	11.55	a	10.65		32.27
1986	19.68		18.14		30.17	b	34.00		41.80	a	51.97		50.42		57.29		43.57		35.16		27.21	a	18.97		35.70
1987	15.23		23.54		31.17	b	39.07	b	43.65		-----	z	-----	z	51.63	a	47.60		34.94		28.83		-----	z	35.07	c
1988	14.97	a	24.72		29.77		37.80		-----	z	48.47		56.84		54.68		48.87		40.69	e	29.17	a	17.62	b	36.69	a
1989	18.96	c	13.33	a	25.63	a	37.10	a	43.23		52.90		53.48		-----	z	-----	z	33.90	a	31.59	a	22.87		33.30	b
1990	26.06		18.64		29.42		39.36	e	40.74		47.60		56.26		55.71		51.70		34.13		27.79	a	5.21	g	38.86	a
1991	17.00	r	-----	z	26.26		36.00		41.03		45.76	a	54.13	a	57.23		47.47		32.68		23.93	p	27.97	b	40.95	c
1992	22.00	m	26.33	b	35.31	o	38.00		46.13		56.20		55.81		55.39		45.30		37.96	f	28.17		10.87		40.24	c
1993	10.23		19.32		26.52	b	36.41	a	49.19		51.10		52.77		55.26		49.33		41.35		21.87		24.83	b	36.52
1994	29.40	a	24.89	a	33.52		42.67		48.16		50.70		60.87		57.34	b	52.63		36.06		24.50	b	20.48	b	40.10
1995	20.35		25.50		29.61		36.00		46.71		49.43		55.10		50.00		50.83		36.00		30.14	a	21.55	b	37.60
1996	12.14	b	18.83		28.74		36.97		39.52		45.83		55.30	a	55.48		46.53		33.06		19.80	e	15.87	p	35.66	a
1997	17.67	s	15.08	o	24.23		29.70		41.74		45.80		51.35		54.52		46.10	a	32.77		26.13		20.83	b	37.32	b
1998	16.10	a	25.54		28.42		33.60		43.74		-----	z	58.94		54.68	f	49.57		34.20	k	29.38	a	17.55		33.65	c
1999	23.07	a	22.67	a	26.06		32.00		38.29		49.39	l	51.58		57.39		42.90		32.45		30.87		22.83	a	34.56	a
2000	15.40	a	21.64	a	27.80	a	36.17		40.93	a	48.23	d	51.23	e	51.54	c	42.04	e	32.55	b	15.76	a	11.40	a	32.89
2001	17.63	a	14.29		27.19		31.80		40.03	a	44.21	b	51.70	a	55.60	a	47.13		33.23		29.13		19.14	j	35.63	a
2002	15.90		16.48	a	20.71		30.70		37.48		48.33		55.29		51.29		43.14	a	29.90		25.17		24.13	h	34.04	a
2003	22.74		19.63	a	28.65		33.13		40.35		49.52	c	52.96	c	48.61		49.04	g	41.67	d	20.87		17.53	a	34.15	a
2004	19.40	a	21.00	a	32.03	b	39.00		44.84		51.80		60.65		59.71		48.28	a	41.50	i	26.67		25.32	l	40.34	b
2005	20.28	b	23.68		32.29		36.40		43.87		47.80		-----	z	54.32		44.10		37.55		22.47		15.00		34.34	a
2006	24.17	a	18.30	a	28.10		35.07	a	43.32		49.54	b	58.68		54.52		46.82	b	37.07	a	23.93		16.19		36.31
2007	12.87		24.11		29.79	c	35.17		42.29		49.13		57.87	a	53.26		46.60		34.19		26.00		16.60	a	35.66
2008	8.20	f	-----	z	26.74		30.83		45.00		47.23		55.34	b	54.52		46.27		33.13		29.33		9.07	a	37.75	b
2009	17.77		20.71		25.33	a	34.40		42.94		47.43		57.04	c	55.00		47.03		32.71		27.07		11.87		34.94
2010	25.23		-----	z	29.35		34.70		38.35		46.27		53.81		53.19		46.83		37.23		22.50		16.86	i	38.75	b
2011	17.48		17.32		27.13		30.60		38.27	a	46.77		51.13		53.23		49.20		36.10		22.70		17.90		33.99
2012	16.71		22.55		27.71		35.07		40.48	b	45.50		54.84		55.35		47.30		35.14	b	28.90	a	22.06		35.97
2013	14.32		24.64		29.13		34.77		42.55		47.80		55.61	c	56.07	c	49.96	b	33.23		25.17		13.83	a	35.59
2014	20.84		15.43		27.03		33.04	e	42.80	a	46.97		57.74		54.87	a	47.97		39.39		23.47		23.42		36.08
2015	19.03		28.89	a	31.94		30.03		43.06		53.33		49.81		51.84		44.70		41.32		25.66	a	17.07	a	36.39
2016	21.07	a	22.70	b	27.25	c	38.07	b	42.39		44.43	b	50.84	f	53.47	a	44.17	a	34.87	a	32.93	a	10.11	c	33.77	a
2017	10.53	a	14.11	a	24.68		33.22	c	40.56	d	47.64	b	54.41	d	56.41	b	47.00	b	31.55		26.62	d	16.41	b	33.60
2018	23.04	c	17.81	b	26.57	c	33.93	b	43.42	e	37.65	g	48.92	r	50.28	m	39.29	i	30.62	g	23.87	o	18.68	l	28.95	g
2019	15.65	k	6.59	k	21.71	q	35.11	c	44.55		46.96	b	53.23		57.65		51.14	i	33.26		28.43		20.74	l	42.74	e
2020	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2021	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	14.85		18.97		26.77		34.05		41.14		47.06		52.58		52.41		44.74		34.83		25.26		17.41		34.21
S.D.	6.57		5.23		3.57		2.81		2.78		2.87		3.15		2.75		3.16		2.86		4.11		4.98		1.83
SKEW	-0.74		-0.71		-0.51		0.19		0.30		0.17		0.10		-0.24		-0.05		0.30		-0.43		-0.19		0.37
MAX	29.40		29.56		33.52		42.67		49.19		56.20		60.87		59.71		52.63		42.23		33.17		27.97		40.10
MIN	-4.71		-1.32		14.61		27.53		33.45		40.43		45.23		45.61		37.73		28.03		11.55		5.87		30.27
YRS	118		118		119		119		120		117		118		116		120		119		119		116		82