CORVALLIS WATER BUREAU, OR

Minimum of Minimum Temperature (Degrees Fahrenheit)

(351877)

File last updated on April 24, 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
1936	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1937	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1938	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1939	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1940	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1941	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1942	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1943	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1944	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1945	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1946	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1947	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1948	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1949	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1950	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1951	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1952	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1953	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1955	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1956	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1957	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1959	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1960	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1961	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1962	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1963	-----	z	-----	z	-----	z	-----	z	-----	z	40.00	d	43.00		45.00		43.00		33.00		28.00		22.00		-----	z
1964	29.00		25.00	b	28.00		30.00	a	30.00		41.00		41.00	a	44.00	a	39.00		30.00		22.00	a	6.00	b	6.00	h
1965	30.00	e	29.00	a	26.00	b	28.00		30.00	a	38.00		40.00		41.00	a	40.00	a	33.00		30.00	a	14.00	a	14.00	m
1966	25.00		27.00		27.00	a	31.00		30.00		32.00	a	42.00		40.00		43.00	a	31.00		28.00	a	25.00	a	25.00	e
1967	29.00		27.00	a	27.00		28.00		31.00		43.00		44.00		46.00		43.00		35.00		28.00		19.00		19.00	a
1968	19.00		25.00		31.00		29.00		33.00		37.00	a	43.00		40.00		37.00		33.00		29.00		14.00		14.00	a
1969	12.00	a	28.00	a	25.00	a	28.00	b	34.00		45.00		43.00		42.00		38.00		29.00		19.00	a	17.00	b	12.00	h
1970	21.00	b	29.00		30.00	a	29.00	b	33.00		42.00		39.00		40.00		34.00		30.00	b	28.00		22.00		21.00	g
1971	18.00	b	25.00		20.00		29.00		34.00	a	38.00		42.00		44.00		34.00		23.00		24.00		23.00		18.00	c
1972	13.00		16.00		28.00	a	28.00		35.00		40.00		42.00		42.00		32.00		28.00	a	29.00	a	2.00	a	2.00	d
1973	14.00	a	29.00	a	29.00		30.00		32.00	a	37.00	a	41.00		35.00		37.00		33.00		24.00		26.00		14.00	d
1974	9.00		28.00		23.00		31.00	a	33.00		39.00		43.00		43.00		38.00		33.00	b	30.00		26.00	a	9.00	d
1975	24.00		25.00	a	28.00		29.00		31.00		38.00		43.00		42.00	a	42.00		32.00		26.00	a	23.00	b	23.00	e
1976	24.00	a	21.00		25.00		29.00		33.00		34.00		43.00		43.00	a	42.00		33.00		23.00	a	26.00		21.00	c
1977	17.00		25.00	a	28.00		30.00	a	32.00	b	37.00		42.00		48.00		41.00		38.00		19.00		28.00		17.00	d
1978	24.00		29.00		29.00	a	32.00	a	34.00	b	44.00		43.00	b	46.00	b	40.00		32.00		19.00		9.00		9.00	h
1979	4.00		12.00	a	31.00		31.00	a	36.00	a	38.00		45.00	a	46.00		42.00		37.00		28.00	c	25.00	a	4.00	h
1980	9.00	a	24.00		30.00		31.00		35.00		38.00		45.00		41.00		42.00		34.00		28.00	b	22.00	a	9.00	d
1981	27.00		26.00		29.00		31.00		33.00		40.00		42.00	a	44.00		38.00		34.00		28.00	a	28.00		26.00	b
1982	15.00		18.00	a	30.00	a	30.00		31.00		42.00	a	42.00		44.00	a	37.00	b	30.00	b	24.00		20.00	a	15.00	i
1983	20.00		27.00		31.00	a	29.00		34.00		39.00	a	44.00		47.00		37.00		34.00	a	30.00		5.00		5.00	c
1984	20.00		30.00		31.00		32.00		32.00		39.00		42.00		36.00	a	35.00		32.00		28.00		15.00		15.00	a
1985	21.00		14.00		28.00		32.00		31.00		39.00		43.00		41.00		39.00	a	29.00	a	11.00		18.00		11.00	b
1986	29.00		27.00		29.00		30.00	a	34.00		39.00		41.00		44.00		38.00	a	34.00		27.00		24.00		24.00	b
1987	22.00		24.00		28.00	a	29.00		35.00	a	38.00	a	45.00	a	44.00		39.00		38.00		28.00	a	20.00	a	20.00	f
1988	22.00		21.00		29.00		29.00		33.00	a	39.00	a	39.00	a	43.00		36.00	a	35.00	b	30.00	a	24.00		21.00	g
1989	25.00		2.00		29.00	b	32.00	a	35.00	a	41.00	a	44.00		45.00		41.00	a	30.00		30.00	a	27.00		2.00	g
1990	23.00	a	17.00		27.00	b	33.00	b	33.00	a	44.00		44.00	a	44.00		46.00		34.00		30.00		2.00	a	2.00	h
1991	18.00	b	31.00		28.00		30.00		33.00		33.00		41.00		42.00	a	38.00		26.00		26.00		25.00		18.00	c
1992	25.00	a	29.00		33.00	a	31.00	a	35.00	a	37.00	a	46.00		41.00		39.00		30.00		28.00	b	22.00		22.00	g
1993	16.00		23.00		28.00	a	32.00		39.00		40.00	a	44.00		42.00		34.00		36.00		15.00	a	21.00		15.00	c
1994	26.00		21.00		30.00		31.00		35.00		39.00		44.00		42.00		45.00	a	35.00	e	27.00		24.00		21.00	f
1995	27.00		24.00		28.00		30.00	a	41.00		39.00		46.00		43.00	a	47.00		28.00		28.00		24.00		24.00	b
1996	19.00		14.00		26.00		32.00		30.00	a	40.00		44.00		44.00		39.00		32.00		29.00		24.00		14.00	a
1997	18.00	a	27.00		29.00	b	29.00		35.00		42.00		45.00	a	46.00		42.00		32.00		31.00	a	27.00		18.00	e
1998	28.00	a	30.00	a	29.00	a	30.00		36.00		43.00		49.00		47.00		42.00		31.00		30.00	a	11.00		11.00	d
1999	30.00	a	31.00	a	29.00		31.00		34.00		38.00		42.00		46.00		35.00	a	32.00		33.00		26.00		26.00	c
2000	26.00		30.00		30.00		29.00		33.00	a	42.00		44.00	a	43.00	a	35.00		33.00		24.00	a	26.00	a	24.00	e
2001	25.00		27.00		30.00	a	29.00		35.00		38.00	a	43.00		44.00		35.00		33.00		31.00		29.00		25.00	b
2002	30.00		29.00		28.00		30.00		31.00		39.00		44.00		-----	z	41.00		22.00		23.00		27.00		-----	z
2003	29.00		26.00		31.00		34.00		32.00		43.00		44.00		44.00		41.00		28.00		24.00		27.00		24.00
2004	20.00		30.00		32.00		31.00		40.00		43.00	b	46.00		49.00		40.00		36.00		28.00		30.00		20.00	b
2005	23.00		26.00		31.00		33.00		39.00		41.00	a	48.00		45.00		38.00		36.00		27.00		18.00		18.00	a
2006	30.00		19.00		28.00		31.00	c	34.00		45.00		46.00	a	45.00		40.00		27.00		26.00		25.00		19.00	d
2007	17.00	a	24.00		30.00		28.00		35.00		40.00	a	47.00	a	46.00		38.00		34.00		25.00		26.00	a	17.00	d
2008	18.00		28.00	a	27.00		27.00	a	32.00		36.00		43.00		39.00		37.00		29.00		25.00		11.00		11.00	b
2009	20.00		23.00		23.00	a	24.00		28.00		37.00		40.00		38.00		33.00		24.00		22.00	a	2.00		2.00	b
2010	22.00		19.00		30.00		31.00		34.00		41.00	b	46.00		43.00		42.00		35.00		23.00		29.00		19.00	b
2011	21.00		12.00		31.00		29.00		31.00		38.00		45.00		45.00	a	42.00		32.00		28.00		22.00		12.00	a
2012	24.00		28.00		25.00		28.00	e	30.00		35.00	f	42.00		41.00		39.00		32.00		27.00		27.00		24.00	k
2013	19.00		27.00	a	26.00		31.00		31.00		37.00		42.00		43.00		37.00		26.00		19.00		3.00		3.00	a
2014	21.00		15.00		26.00		28.00		32.00		37.00		42.00		42.00		40.00		36.00		17.00		15.00		15.00
2015	15.00		23.00		23.00		26.00		31.00		37.00		41.00		40.00		35.00		32.00		15.00		18.00		15.00
2016	12.00		23.00		25.00		25.00		32.00		34.00		38.00		37.00		33.00		29.00		26.00		13.00		12.00
2017	5.00		20.00		22.00		24.00		27.00		35.00		37.00		38.00	a	33.00		20.00		21.00		17.00	y	-----	z
2018	25.00	j	23.00		29.00		30.00		33.00		36.00		40.00		39.00		34.00	g	29.00		23.00	q	18.00		-----	z
2019	20.00		20.00		15.00		26.00		29.00		37.00		39.00		41.00		27.00		15.00	c	-----	z	-----	z	-----	z
2020	-----	z	-----	z	-----	z	-----	z	27.00		31.00		50.00	t	45.00		48.00		28.00		28.00		28.00		-----	z
2021	30.00		28.00		28.00		29.00		35.00		39.00	e	48.00		44.00		42.00		32.00		29.00		25.00		25.00	e
2022	26.00		20.00		26.00		28.00		34.00		43.00	i	41.00	a	48.00		43.00		35.00		23.00		23.00		20.00	j
2023	20.00		19.00		27.00		30.00		35.00		38.00		47.00		47.00		42.00		27.00		24.00		28.00		19.00
2024	10.00		30.00		28.00		29.00	i	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	20.93		23.82		27.78		29.61		33.08		38.92		43.07		42.98		38.92		31.13		25.59		20.44		15.51
S.D.	6.41		5.74		3.05		2.05		2.77		3.00		2.48		2.97		3.91		4.33		4.47		7.64		6.55
SKEW	-0.61		-1.31		-1.60		-0.65		0.40		-0.20		0.04		-0.46		-0.26		-1.25		-1.14		-1.10		-0.37
MAX	30.00		31.00		33.00		34.00		41.00		45.00		49.00		49.00		48.00		38.00		33.00		30.00		26.00
MIN	4.00		2.00		15.00		24.00		27.00		31.00		37.00		35.00		27.00		15.00		11.00		2.00		2.00
YRS	59		60		60		59		60		59		60		60		60		61		59		59		35