MCNARY DAM, WA

Average of Average Temperature (Degrees Fahrenheit)

(455231)

File last updated on April 16, 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
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	51.88	g	47.07	b	35.63		41.35	j
1955	35.95		38.78	a	41.24		49.58		58.37		69.19	a	71.93	a	74.65		67.28		55.82	a	36.62	a	34.81		52.85
1956	35.50	b	28.86		45.80	a	56.32		63.55		65.95		77.69		74.26		66.38		54.48		39.65		37.71		53.85
1957	24.88	e	38.15	b	45.58		55.07		65.52		69.95		73.66		72.39		68.93		52.87		42.80		42.18		54.33
1958	40.08		46.88		45.48		52.57		66.24		72.27		80.79		80.11		65.87		55.77		44.48		38.55		57.42
1959	36.63	a	40.84		47.15		54.12		58.21		68.20		76.63		72.03		63.83		55.00		38.67		35.23		53.88
1960	26.42		39.62		45.08		53.88		59.10		69.90		79.97		71.95		66.25		55.10		44.30		32.37		53.66
1961	36.79		45.66		48.31		53.08		60.18		72.67		79.27		80.15		63.28		52.69		38.10		36.94		55.59
1962	32.06		39.22	a	42.87		55.30	b	56.23		66.52		73.31		70.52		64.72		53.45		45.26	a	39.29		53.23
1963	28.13		38.39		45.97		50.67		61.23		67.37		70.64	b	73.81		67.91	b	57.00		45.83		33.27		53.35
1964	40.24		41.14		44.17	a	52.02		58.98		67.38	a	74.66		70.32		63.86	a	53.11		41.75		33.17	a	53.40
1965	37.10		43.02	a	43.60	a	56.14	a	60.81		68.12	a	75.95		75.15		62.70		57.39		46.53		36.85		55.28
1966	37.69		40.41		45.92	a	55.05	a	62.37		66.90		72.02		75.19		69.02		54.65		45.72		41.55	a	55.54
1967	43.74		43.62		45.88	a	49.63		62.08	a	71.72		78.11		80.55		71.05		55.98		43.98		36.48		56.90
1968	36.76		42.26		48.92	a	51.95	a	62.47	a	69.37		77.93	a	72.02		66.53		52.89		43.98		34.27		54.95
1969	24.52	a	35.62		45.27		52.58		63.81		72.37		74.79		72.68		66.42		52.15		45.00		38.25	a	53.62
1970	33.97		41.41		45.38	a	48.83		60.03		71.32		77.44		74.15	a	60.77		52.19		43.20		36.42		53.76
1971	40.60	b	41.39		42.82		51.55		62.29		64.79	a	76.27		79.08	a	61.67		52.76		43.78	a	38.66		54.64
1972	34.55	a	37.00		47.34		49.10		61.85		68.87		74.56		76.11		63.12	a	53.48		44.12	a	28.68		53.23
1973	30.85		37.86		47.65		53.27		62.82	a	68.02		76.40		74.05	a	65.13		54.65		43.05	a	41.50		54.60
1974	30.32		42.37	a	46.10		52.25		58.26		69.32		73.15	a	74.90	a	66.58		53.97	a	44.37		41.31		54.41
1975	36.34		36.41		43.29		47.68		58.47	a	64.07	b	74.56		70.03	a	65.73		53.90		41.18		39.35		52.59
1976	37.69		38.53		42.26		50.55		60.23		63.98		73.40		70.34		68.03		53.31		43.47		34.82		53.05
1977	27.79		41.45		45.35		55.43		56.87		71.23		72.66		78.05		62.25		53.47		41.65		38.23		53.70
1978	33.85		40.04		47.42		52.32		56.03	p	69.33	j	74.68		73.13		63.87		55.19		36.90	a	34.68		51.21	b
1979	18.92		36.48		47.16		54.02		62.37		68.97		75.79		74.27	a	67.72		56.87		38.77		38.02		53.28
1980	27.11		35.81		45.31		55.00		60.06		65.13	c	73.39		72.73	i	61.81	q	52.81		44.19	a	38.93	c	49.77	b
1981	-----	z	-----	z	49.18	t	51.57	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1982	-----	z	38.02	c	45.57	b	50.31	v	58.26	j	70.42	x	73.45	a	74.35	a	64.33	a	52.22	a	39.93	a	36.98	c	53.11	d
1983	40.32		43.36		50.03		52.38	a	63.15		66.37		71.16	c	74.95	a	62.31	c	54.28	d	48.17		26.33	b	54.40
1984	33.31	d	40.76	b	47.97		51.59	a	56.83	a	65.05		74.95	b	74.92	a	63.59	c	52.02		43.40		32.06		53.04
1985	29.63	a	32.22	a	44.69	b	55.41	b	62.32	a	69.25		79.78	a	72.02	a	61.19	f	53.80	f	29.68	b	23.68	a	49.87	b
1986	34.81	d	39.38		49.18	c	50.93	a	60.22	a	71.06	c	70.29	c	78.33	b	63.69	c	56.04	c	45.66	e	34.75	a	54.53
1987	33.50	b	40.91	e	47.57	b	56.31	a	63.07	b	69.78	a	73.79		73.53	b	68.34	a	55.00		46.87	c	32.77	g	57.15	a
1988	34.73	a	40.34		46.43	c	53.55	a	59.56		66.48	a	74.21		72.69		64.50		59.53		47.14	a	36.69	b	54.66
1989	39.42		26.36		43.95		55.27	b	59.37	d	68.89	b	72.64	b	71.81		65.90		54.81		46.77		34.95		53.34
1990	40.97		38.57		46.29		56.25	b	59.03	a	66.87		76.63	a	75.06		70.72		53.34		46.98		27.88	b	54.88
1991	31.13		42.55		43.69		52.80		58.00		63.15		74.85		76.66		67.33		54.40		43.20		39.39		53.93
1992	39.06		42.43		48.90	a	55.05		62.76		72.53		73.15		74.52		62.92		55.35		43.08		34.70	a	55.37
1993	24.76		30.54		40.69		52.40	a	63.72	a	65.58		68.21		70.89		64.82		55.89		36.02		37.52		50.92
1994	40.18		35.13	b	46.58		56.03		62.84		65.92		77.69		74.26		68.10	a	53.71		41.43		37.48		54.95
1995	33.13		41.95		45.87		51.60		61.63	a	65.90		74.11		69.40	a	69.17	c	52.95		46.78	a	36.55		54.09
1996	35.52		32.91		44.40		52.98		56.26		64.92		74.73		72.84		63.23		53.87		40.95		34.32		52.24
1997	34.05		39.30		46.29		51.14	a	61.74		65.67	a	72.13		75.44		65.97		53.61		44.18		37.23		53.90
1998	36.93	a	42.86		47.18		51.58		59.65		67.15		79.32	a	75.50		69.97		53.13		47.55		37.08		55.66
1999	40.65		43.16		45.87	a	50.57		57.11		65.14	a	71.20	a	74.94		63.92		53.33	a	47.58		40.15	a	54.47
2000	36.79		39.43	a	45.73	a	54.82		60.40		68.09	a	73.50	b	74.21	c	63.50	a	53.29		38.12	b	33.48		53.45
2001	35.13		37.48		46.52	a	51.10		60.92	a	65.03	a	74.82	a	75.56		68.57		54.08		44.00		38.82	a	54.34
2002	38.55	a	39.06	a	42.76		52.70		58.63		68.45	a	76.21		72.48		65.78		51.80	a	41.98		39.71		54.01
2003	40.52		40.80		49.40		53.02	a	60.06		69.17		77.98	a	75.44		67.63		58.31		40.59	a	36.84		55.81
2004	28.81	b	38.75	e	50.20	a	54.73		60.76		68.65		77.24		76.34		65.43	b	56.53		43.35		38.21		54.92
2005	33.69		37.82		49.34		54.12	d	62.40		66.05	a	-----	z	-----	z	65.02		-----	z	42.17	f	30.33	a	49.85	d
2006	41.56		37.20	a	46.24		53.19	a	60.92	a	67.75		77.58	a	-----	z	65.38		53.63		42.75		34.14	b	52.76	a
2007	31.81		38.83	a	48.06		52.53		60.61	c	66.83		77.42		-----	z	-----	z	-----	z	-----	z	-----	z	53.73	e
Period of Record Statistics
MEAN	34.46		39.06		45.98		52.94		60.69		67.87		75.03		74.29		65.69		54.33		42.95		36.01		54.18
S.D.	5.28		3.89		2.17		2.13		2.30		2.45		2.74		2.63		2.44		1.69		3.60		3.80		1.18
SKEW	-0.71		-1.05		-0.22		-0.27		0.04		0.25		-0.01		0.48		0.23		0.93		-1.19		-1.10		0.22
MAX	43.74		46.88		50.20		56.32		66.24		72.67		80.79		80.55		71.05		59.53		48.17		42.18		57.42
MIN	18.92		26.36		40.69		47.68		56.23		63.15		68.21		69.40		60.77		51.80		29.68		23.68		50.92
YRS	51		52		52		51		50		50		51		48		49		49		51		51		44