WALLA WALLA 13 ESE, OR

Minimum of Minimum Temperature (Degrees Fahrenheit)

(358985)

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
1948	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	38.00		29.00		23.00		16.00	a	-0.00	a	-----	z
1949	-10.00	b	-3.00		21.00		24.00	a	25.00	a	30.00		35.00		34.00	b	29.00	a	17.00		23.00		12.00		-10.00	g
1950	-18.00		-16.00		15.00		-----	z	25.00		31.00	a	40.00		37.00		26.00		25.00		21.00		20.00	a	-----	z
1951	-2.00		6.00		18.00		25.00		29.00		31.00	a	41.00		37.00		32.00		22.00		17.00		6.00		-2.00	a
1952	-2.00		14.00		18.00		24.00	a	29.00		34.00		36.00	a	35.00		32.00		28.00		7.00		10.00		-2.00	b
1953	27.00		15.00		17.00		20.00	a	29.00		34.00		38.00		38.00		31.00		22.00		20.00		21.00		15.00	a
1954	-3.00		15.00		12.00		27.00		20.00		30.00		38.00		37.00		27.00		26.00		20.00		12.00		-3.00
1955	16.00	b	12.00		-1.00		25.00		27.00	a	33.00	a	34.00	a	36.00	a	30.00		30.00	a	-8.00		8.00		-8.00	g
1956	-3.00		-5.00	a	9.00		24.00		30.00		34.00		39.00		39.00		33.00	a	28.00		12.00	a	6.00		-5.00	c
1957	-15.00	a	2.00		24.00		29.00		36.00		38.00		40.00		37.00		30.00		28.00		17.00		20.00		-15.00	a
1958	17.00		26.00		20.00		30.00		32.00		39.00		39.00		41.00		30.00		26.00		15.00	o	23.00		15.00	o
1959	-4.00		19.00		23.00		27.00		29.00		36.00		38.00		38.00		34.00		27.00		5.00		18.00		-4.00
1960	2.00		2.00		10.00		30.00		28.00		35.00		39.00		35.00		31.00		29.00		23.00		15.00		2.00
1961	10.00		29.00		21.00		25.00		30.00		38.00		40.00		42.00		29.00		24.00		15.00		-1.00		-1.00
1962	-9.00		-0.00		19.00		29.00		29.00		35.00		36.00		38.00		30.00		30.00		21.00		14.00		-9.00
1963	-13.00		13.00		22.00		28.00		31.00	a	38.00		36.00		39.00		35.00		26.00		21.00		8.00	a	-13.00	b
1964	17.00		18.00		20.00		24.00		24.00	a	34.00		39.00		35.00		33.00		29.00		19.00		-12.00	a	-12.00	b
1965	18.00		14.00		11.00		26.00		29.00		36.00		39.00		35.00		27.00		31.00		25.00		10.00		10.00
1966	13.00		7.00		14.00		20.00		30.00		30.00		39.00		37.00		35.00		27.00		25.00		20.00		7.00
1967	22.00		19.00		17.00		25.00		28.00		39.00		42.00		39.00	a	34.00	c	29.00	b	18.00		7.00	a	7.00	g
1968	10.00		18.00	a	25.00		21.00	a	30.00		36.00		39.00	a	40.00		34.00		28.00		26.00	b	-18.00		-18.00	e
1969	-5.00	a	18.00		17.00	a	27.00	c	28.00	a	40.00		39.00		37.00	b	31.00		23.00	b	20.00	b	17.00	a	-5.00	m
1970	10.00		25.00	a	21.00		25.00	b	28.00		38.00	a	40.00	a	39.00	b	26.00	b	24.00	a	12.00		11.00		10.00	j
1971	9.00		18.00		11.00		26.00		29.00		36.00		35.00	c	40.00	b	30.00		11.00	a	22.00		8.00		8.00	f
1972	-3.00		-1.00		24.00		25.00	b	28.00		32.00		38.00	e	38.00		30.00		25.00	a	23.00		-8.00	a	-8.00	i
1973	-4.00		19.00		25.00		23.00	a	28.00	b	30.00	e	38.00	e	36.00		33.00		27.00		22.00		18.00		-4.00	m
1974	-8.00		21.00		19.00		27.00		30.00		35.00		39.00		39.00		30.00	k	26.00	a	25.00		10.00		-8.00	l
1975	10.00		12.00	a	15.00	a	20.00		29.00	a	35.00	a	-----	z	40.00	b	34.00		25.00		14.00	a	10.00	o	-----	z
1976	-----	z	22.00	q	-----	z	-----	z	-----	z	-----	z	42.00	p	40.00	f	34.00	c	-----	z	16.00	c	20.00		-----	z
1977	1.00		18.00		26.00		26.00		32.00	c	35.00		36.00		38.00		34.00		-----	z	-----	z	10.00	d	-----	z
1978	-2.00		22.00	i	22.00	a	27.00	a	29.00		-----	z	-----	z	-----	z	-----	z	-----	z	4.00	e	-----	z	-----	z
1979	-----	z	-----	z	-----	z	-----	z	32.00		32.00		39.00	a	43.00		39.00		30.00		12.00		21.00		-----	z
1980	-6.00		17.00		23.00		25.00		33.00		35.00	a	39.00	a	35.00		33.00		30.00		19.00		10.00	o	-6.00	q
1981	12.00	k	16.00	c	26.00	a	29.00		-----	z	-----	z	-----	z	40.00	c	31.00		25.00		23.00		20.00		-----	z
1982	-3.00	b	7.00		22.00		25.00		28.00		33.00	a	38.00		42.00		32.00		28.00		12.00		15.00		-3.00	c
1983	15.00		19.00		24.00		25.00		29.00		37.00		38.00		42.00		27.00		29.00	b	-----	z	-----	z	-----	z
1984	23.00	y	22.00		25.00		27.00		29.00		30.00		38.00		39.00		29.00		23.00		25.00		-0.00	a	-----	z
1985	4.00		-5.00		18.00		28.00	b	27.00		33.00		42.00		37.00		26.00		21.00	a	-8.00		-3.00		-8.00	c
1986	21.00	b	15.00		28.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	28.00		12.00		16.00	a	-----	z
1987	2.00	a	15.00		21.00		27.00		29.00		30.00		42.00		36.00		33.00		26.00		23.00		5.00		2.00	a
1988	5.00	i	10.00		23.00		27.00		30.00		35.00		37.00		38.00		32.00		25.00		22.00		8.00	a	5.00	j
1989	13.00	b	-9.00	b	10.00		28.00		29.00	b	37.00		39.00		40.00		34.00		25.00		23.00		18.00		-9.00	f
1990	22.00	c	5.00	a	24.00		28.00		30.00	a	35.00		40.00		40.00		36.00		26.00		28.00		-----	z	-----	z
1991	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1992	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1993	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1994	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1995	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1996	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1997	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1998	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1999	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2000	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	4.03		11.46		18.98		25.74		28.90		34.45		38.49		38.15		31.38		25.80		17.30		10.13		-2.41
S.D.	11.63		10.22		5.97		2.59		2.59		2.89		1.91		2.21		2.98		3.77		8.22		9.62		8.04
SKEW	0.13		-0.76		-1.11		-0.63		-0.65		-0.07		-0.31		0.20		0.00		-1.74		-1.55		-1.02		0.45
MAX	27.00		29.00		28.00		30.00		36.00		40.00		42.00		43.00		39.00		31.00		28.00		23.00		15.00
MIN	-18.00		-16.00		-1.00		20.00		20.00		30.00		34.00		34.00		26.00		11.00		-8.00		-18.00		-15.00
YRS	37		39		40		38		39		38		37		40		40		40		40		38		17