LOWER MONUMENTAL DAM, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(454841)

File last updated on April 26, 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
1962	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	37.00		24.00		17.00		-----	z
1963	1.00		16.00		26.00		32.00		40.00		50.00		47.00		51.00		44.00		33.00		23.00		16.00		1.00
1964	25.00		24.00		24.00		30.00		38.00		47.00		52.00		44.00		42.00		34.00		27.00		-6.00		-6.00
1965	17.00		24.00		17.00	a	35.00		36.00		49.00		53.00		45.00		35.00		38.00		30.00		21.00		17.00	a
1966	21.00		26.00	a	21.00		28.00		41.00		40.00		52.00		49.00		48.00		35.00		29.00		27.00	c	21.00	d
1967	25.00		26.00		25.00	a	35.00	a	37.00		51.00		57.00		55.00		44.00		34.00		20.00		13.00		13.00	b
1968	15.00		21.00		30.00		30.00		39.00		47.00		55.00		-----	z	42.00	b	35.00		28.00	a	-14.00	c	-----	z
1969	-2.00		16.00		27.00		38.00	a	41.00		52.00		49.00		52.00		45.00		31.00		29.00		23.00		-2.00	a
1970	19.00	d	31.00		31.00		33.00		41.00		48.00		53.00	a	56.00		38.00		32.00		16.00		18.00		16.00	e
1971	17.00		22.00		20.00		33.00		41.00		46.00		48.00		53.00		42.00		22.00		27.00		16.00		16.00
1972	3.00		9.00		21.00		31.00		37.00		51.00	a	-----	z	54.00		39.00		31.00		30.00		-1.00		-----	z
1973	5.00		25.00		31.00		33.00		41.00		47.00		51.00	a	52.00		48.00		-----	z	30.00		21.00		-----	z
1974	1.00		30.00		-----	z	36.00	a	40.00		48.00		52.00		55.00		31.00		33.00		31.00		25.00		-----	z
1975	12.00		18.00		27.00		30.00		39.00		46.00		55.00		51.00		48.00		-----	z	18.00		-----	z	-----	z
1976	23.00		17.00		18.00		34.00		40.00		43.00		51.00		50.00		48.00		30.00		17.00		20.00		17.00
1977	-----	z	25.00	a	28.00		31.00		38.00		44.00		51.00		52.00		44.00		35.00		13.00		15.00		-----	z
1978	4.00	a	22.00		28.00		35.00		40.00		47.00		53.00		50.00		38.00		26.00		15.00		-5.00		-5.00	a
1979	-6.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1980	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1981	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1982	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1983	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1984	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1985	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1986	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1987	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1988	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1989	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1990	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	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
2001	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2002	31.00	y	23.00	g	19.00	m	33.00	k	26.00	m	45.00	h	44.00	j	31.00	r	-----	z	-----	z	-----	z	-----	z	-----	z
2003	21.00	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2004	32.00	w	28.00	f	28.00	c	26.00	q	42.00	n	48.00	g	56.00	i	59.00	n	45.00	m	38.00	j	28.00	l	27.00	l	-----	z
2005	11.00	j	22.00	l	31.00	h	35.00		46.00	f	48.00	m	59.00	q	51.00	a	46.00	j	41.00	g	29.00	d	10.00		-----	z
2006	28.00	f	14.00	k	30.00		36.00	d	39.00	j	51.00	g	57.00	i	52.00	c	45.00		37.00	d	15.00	n	21.00	v	-----	z
2007	13.00	w	27.00	s	37.00	x	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	11.25		22.00		25.41		33.06		39.31		47.25		51.93		51.29		42.41		32.69		24.22		12.71		8.00
S.D.	10.31		5.69		4.51		2.67		1.66		3.13		2.66		3.20		4.89		4.14		6.10		11.98		10.81
SKEW	-0.14		-0.52		-0.51		-0.10		-0.60		-0.58		-0.07		-0.83		-0.75		-1.16		-0.57		-0.97		-0.21
MAX	25.00		31.00		31.00		38.00		41.00		52.00		57.00		56.00		48.00		38.00		31.00		27.00		21.00
MIN	-6.00		9.00		17.00		28.00		36.00		40.00		47.00		44.00		31.00		22.00		13.00		-14.00		-6.00
YRS	16		16		17		18		16		16		15		17		17		16		18		17		9