ROSS DAM, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(457185)

File last updated on April 18, 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
1960	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	41.00		35.00		26.00		21.00		-----	z
1961	25.00		25.00		20.00		28.00		35.00	b	43.00		46.00		51.00		38.00		31.00		19.00		13.00		13.00	b
1962	9.00	b	14.00		22.00	a	30.00	a	33.00		40.00		37.00		49.00	a	41.00		37.00		25.00	a	22.00		9.00	f
1963	3.00		22.00		29.00		33.00		33.00		44.00		44.00		51.00		45.00		33.00		22.00	a	24.00		3.00	a
1964	28.00		28.00		25.00		30.00		27.00		44.00		45.00		46.00		44.00		35.00		27.00		4.00	b	4.00	b
1965	19.00		24.00		19.00		32.00		30.00		41.00		47.00		44.00		40.00		37.00		29.00		18.00		18.00
1966	14.00	a	18.00		22.00		31.00		35.00		42.00		46.00	a	45.00		45.00		32.00		30.00		25.00		14.00	b
1967	26.00		27.00		24.00		32.00		38.00		47.00		47.00	b	50.00		45.00	a	36.00	a	24.00	a	13.00		13.00	e
1968	12.00	a	25.00		31.00		29.00		36.00		43.00		48.00		49.00		41.00		34.00		31.00		11.00	d	11.00	e
1969	3.00	i	13.00	a	24.00		32.00		36.00		44.00		43.00		49.00		43.00	a	36.00	a	31.00		30.00		3.00	l
1970	21.00	a	30.00		25.00		30.00		35.00		45.00		45.00		48.00		38.00		32.00		12.00		17.00		12.00	a
1971	5.00	a	20.00		15.00		30.00		33.00		41.00		41.00	a	51.00		40.00		24.00		29.00		10.00		5.00	b
1972	9.00	e	10.00	a	28.00	a	30.00		33.00		44.00		47.00		48.00		34.00		29.00		29.00		10.00	a	9.00	h
1973	7.00		21.00		31.00		32.00		35.00	a	37.00		46.00	a	41.00		48.00	a	32.00		25.00		27.00	a	7.00	d
1974	14.00		28.00		17.00		32.00	a	35.00	a	41.00		46.00	c	50.00		40.00		36.00		32.00	a	22.00		14.00	f
1975	13.00		10.00		22.00		28.00	a	32.00		44.00	a	46.00		40.00	b	45.00		33.00	e	16.00	d	22.00		10.00	m
1976	22.00		21.00	a	13.00	a	29.00		34.00		36.00	a	45.00		48.00		44.00	a	35.00		26.00		30.00		13.00	d
1977	18.00	a	30.00	c	29.00		30.00		37.00	c	39.00	a	46.00		48.00	a	42.00	a	36.00	a	14.00	a	16.00		14.00	l
1978	15.00		24.00	b	27.00		31.00	a	34.00	b	43.00	d	49.00	i	48.00		40.00	a	34.00		19.00	c	-1.00	b	-1.00	x
1979	-1.00	a	13.00		26.00	a	30.00		39.00	a	40.00	a	42.00	a	48.00		42.00	d	36.00		28.00	b	24.00	b	-1.00	m
1980	4.00	c	25.00	a	24.00		29.00		38.00		44.00	a	45.00	c	46.00	b	45.00	a	36.00		31.00	a	12.00		4.00	l
1981	30.00		14.00		29.00		30.00	c	32.00	a	42.00		45.00	d	48.00	b	41.00	f	35.00	b	25.00		22.00	b	14.00	t
1982	4.00		14.00		28.00	a	30.00	f	33.00		42.00	b	46.00	d	48.00	b	41.00	f	35.00	a	19.00	a	24.00	a	4.00	x
1983	28.00		27.00	b	31.00	a	30.00		39.00	a	46.00	b	47.00	b	50.00	a	36.00	b	30.00	a	27.00		2.00	b	2.00	n
1984	16.00		28.00		32.00	a	-----	z	34.00	e	41.00	a	43.00	b	44.00		39.00		16.00		16.00	d	10.00		-----	z
1985	14.00	a	12.00		27.00		31.00	b	31.00	d	42.00	a	48.00	a	45.00	b	40.00		32.00	a	7.00	d	8.00	b	7.00	r
1986	27.00	c	11.00		32.00		29.00		35.00	a	44.00		45.00		51.00		41.00		39.00	a	23.00		25.00		11.00	e
1987	18.00		25.00		30.00		33.00		41.00		39.00		50.00	a	48.00		43.00		39.00		30.00		22.00		18.00	a
1988	13.00		9.00		30.00		31.00	a	37.00	a	39.00		45.00		49.00		41.00		34.00		30.00	b	19.00		9.00	d
1989	19.00		5.00	d	10.00		33.00	b	36.00		44.00		46.00		50.00	g	42.00	a	35.00		31.00		28.00		5.00	n
1990	20.00	a	8.00		29.00	a	35.00		37.00	a	43.00		49.00		49.00		46.00		35.00		31.00		5.00	f	5.00	i
1991	12.00		31.00		24.00		32.00		38.00	a	42.00		50.00		47.00		43.00	a	23.00		28.00		28.00	b	12.00	d
1992	21.00		30.00		32.00		32.00		36.00		47.00		52.00		46.00		38.00		32.00		28.00		10.00		10.00
1993	8.00		-----	z	30.00		31.00		39.00	a	45.00	a	48.00		47.00		42.00		40.00		11.00		27.00		-----	z
1994	29.00		14.00		27.00	a	35.00		35.00		43.00	a	46.00		51.00	b	46.00		33.00		23.00	a	12.00		12.00	e
1995	21.00		17.00		23.00		31.00	c	39.00		44.00		48.00		46.00		48.00		30.00		29.00		13.00	a	13.00	d
1996	16.00	c	13.00		23.00		29.00		32.00		43.00		47.00		50.00		40.00		32.00		18.00		7.00		7.00	c
1997	9.00	b	23.00		26.00		30.00	a	34.00		43.00	a	44.00		52.00		44.00		37.00	a	31.00		28.00		9.00	e
1998	7.00		29.00		29.00		31.00		38.00		47.00		53.00	a	51.00		47.00	a	33.00		31.00		9.00		7.00	b
1999	20.00		24.00		27.00		30.00		33.00		41.00		45.00		46.00		39.00		34.00		30.00		31.00	a	20.00	a
2000	22.00		26.00		28.00		30.00		36.00		43.00	a	45.00		46.00		40.00	a	35.00	a	27.00	a	15.00		15.00	d
2001	26.00		18.00	a	28.00		29.00		34.00		41.00		48.00		47.00		40.00		35.00		31.00		27.00		18.00	a
2002	18.00		18.00		17.00	a	29.00		33.00		38.00	a	42.00		49.00		42.00		29.00		31.00		28.00		17.00	b
2003	29.00		23.00		22.00	a	31.00		33.00		42.00		46.00		47.00		44.00	a	30.00		20.00		17.00	a	17.00	c
2004	1.00		29.00		30.00		33.00		40.00		43.00		49.00		53.00		43.00		32.00	b	28.00		30.00		1.00	b
2005	15.00		25.00		32.00		31.00	a	42.00		44.00		51.00		50.00	a	41.00	a	37.00		26.00		25.00		15.00	c
2006	32.00		18.00		25.00	a	33.00		30.00	a	47.00		49.00		47.00	a	42.00		26.00		7.00	a	23.00		7.00	d
2007	11.00		26.00		23.00		28.00		38.00		45.00		51.00		49.00		43.00		33.00		28.00		23.00		11.00
2008	18.00		24.00	a	26.00		27.00		35.00		40.00		48.00		47.00		40.00		35.00		31.00		4.00	a	4.00	b
2009	13.00		19.00		10.00		29.00		36.00		40.00		49.00		49.00		42.00		33.00		31.00		15.00		10.00
2010	27.00		29.00		29.00		29.00		34.00		43.00		47.00		47.00		44.00		36.00		7.00		15.00		7.00
2011	16.00		8.00		24.00		30.00		36.00		44.00		44.00		47.00		45.00		32.00		21.00		24.00		8.00
2012	9.00	a	16.00		25.00		32.00		35.00		40.00		47.00		47.00		44.00		36.00		27.00		25.00		9.00	a
2013	18.00		28.00		28.00		33.00		33.00		44.00		49.00		53.00		44.00		33.00		24.00		9.00		9.00
2014	28.00		12.00		25.00		32.00		41.00		42.00		50.00		53.00		45.00		39.00		13.00		16.00		12.00
2015	25.00		30.00		28.00		33.00		40.00		45.00		52.00		52.00	i	42.00		42.00		28.00		21.00		21.00	i
2016	22.00		28.00		32.00		38.00		43.00		41.00		51.00		52.00		46.00		36.00		33.00		8.00		8.00
2017	9.00		17.00		26.00		33.00		36.00		43.00		49.00		51.00		44.00		35.00		28.00		16.00		9.00
2018	23.00		12.00		27.00		31.00		42.00		42.00		48.00		49.00		44.00		36.00		31.00		25.00		12.00
2019	25.00		10.00		18.00		32.00		36.00		45.00		50.00		51.00		40.00		31.00		20.00		25.00		10.00
2020	9.00		26.00		21.00		31.00		36.00		42.00		45.00		46.00		46.00		26.00		26.00		26.00		9.00
2021	24.00		14.00		29.00		27.00		38.00		41.00		51.00		49.00		42.00		32.00		31.00		8.00	b	8.00	b
2022	8.00	d	12.00		24.00		30.00		35.00		45.00		48.00		51.00		46.00		37.00		17.00		6.00	e	6.00	i
2023	18.00		13.00		24.00		29.00		43.00		45.00		52.00		45.00	a	43.00		28.00		28.00		29.00		13.00	a
2024	8.00	c	25.00		22.00		32.00	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	16.65		20.13		25.23		30.84		35.75		42.60		46.94		48.25		42.39		33.39		24.80		18.33		10.62
S.D.	8.12		7.21		5.12		1.98		3.24		2.37		2.97		2.66		2.82		4.21		6.79		8.27		4.54
SKEW	-0.10		-0.23		-1.08		0.78		0.18		-0.39		-0.41		-0.58		-0.36		-1.42		-1.14		-0.36		0.12
MAX	32.00		31.00		32.00		38.00		43.00		47.00		53.00		53.00		48.00		42.00		33.00		31.00		20.00
MIN	-1.00		5.00		10.00		27.00		27.00		36.00		37.00		40.00		34.00		16.00		7.00		-1.00		1.00
YRS	63		63		64		61		63		63		62		61		62		64		64		63		39