MCNARY DAM, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(455231)

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
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	40.83	g	38.75	b	29.16		33.96	j
1955	30.77		30.52	a	32.16		39.03		47.39		56.69	a	60.47	a	60.19		54.63		46.00	a	29.72	a	28.84		43.04
1956	29.52	b	22.83		37.07	a	43.67		52.26		54.23		63.77		61.39		53.57		44.23		33.23		31.71		43.96
1957	17.88	e	29.43		37.58		43.47		53.06		57.27		60.61		59.35		55.33		44.26		33.90		35.06		43.93
1958	33.90		39.64		35.19		42.57		52.35		58.97		65.97		65.65		53.73		42.61		37.27		33.16		46.75
1959	29.80	a	33.68		37.03		41.27		46.23		55.73		61.42		59.19		53.77		44.52		29.07		29.58		43.44
1960	20.35		30.62		35.32		42.63		47.52		55.53		63.10		58.84		52.23		44.03		36.03		28.26		42.87
1961	31.39		38.18		39.55		42.73		48.39		57.57		64.87		65.97		51.57		41.94		29.77		31.42		45.28
1962	24.58		31.22	a	33.81		43.68	b	45.55		52.17		57.68		56.39		49.63		43.58		37.48	a	33.52		42.44
1963	20.26		31.93		34.94		40.70		49.00		53.97		57.39		59.10		53.68	b	44.55		37.93		28.35		42.65
1964	32.61		30.31		33.90	a	41.13		46.65		55.62	a	60.84		57.10		50.97	a	41.55		36.10		26.68		42.79
1965	32.13		34.78	a	32.87	a	45.14	a	48.35		55.03	a	61.45		62.68		49.73		45.06		39.10		30.35		44.72
1966	32.29		31.96		35.33	a	42.79	a	49.65		55.27		58.65		61.61		56.13		42.65		37.77		35.07	a	44.93
1967	37.03		34.29		35.50	a	39.63		49.70	a	58.40		63.61		65.48		57.47		45.42		35.90		29.32		45.98
1968	29.42		34.41		38.73	a	41.10	a	50.70	a	57.07		63.13	a	60.45		54.57		42.23		38.30		28.48		44.88
1969	19.23	a	30.07		34.65		42.10		50.97		59.40		60.68		58.58		55.07		41.68		37.13		33.16		43.56
1970	28.77		34.75		35.47	a	38.30		48.23		57.87		63.42		59.63	a	48.17		40.77		35.80		29.26		43.37
1971	33.55	b	32.29		33.84		39.53		49.13		53.66	a	61.26		64.63	a	49.47		42.10		36.21	a	31.71		43.95
1972	27.23	a	30.00		37.65		37.30		49.26		56.03		61.03		62.10		50.86	a	42.42		37.79	a	21.84		42.79
1973	23.81		30.36		37.29		40.60		49.27	a	55.03		61.74		60.43	a	52.93		44.58		37.55	a	35.87		44.12
1974	23.94		34.41	a	35.77		42.43		47.16		54.70		59.60	a	60.80	a	52.47		41.40	a	37.23		34.16		43.67
1975	29.94		28.89		33.45		37.07		45.77	a	53.21	b	62.29		57.63	a	51.80		45.10		33.77		32.97		42.66
1976	31.84		29.97		32.13		40.13		46.65		50.93		59.71		58.74		54.33		41.32		35.57		27.84		42.43
1977	23.52		33.00		35.58		41.77		45.65		57.53		59.19		64.16		51.10		42.06		33.50		32.61		43.31
1978	29.23		34.18		37.35		42.20		45.74		55.50		60.39		59.58		51.33		40.71		27.66	a	27.06		42.58
1979	13.29		27.68		35.39		42.10		49.19		53.37		60.61		61.30	a	53.77		46.65		33.20		33.13		42.47
1980	21.48		30.72		35.45		42.20		48.42		53.18	b	59.42		58.42		53.17		41.58		38.28	a	32.36	c	42.89
1981	35.38	b	31.48	a	35.58		40.41	a	47.23		51.90	a	57.10	a	61.32	f	51.52	a	40.29	c	35.80	e	31.57	a	41.66	a
1982	27.16	f	27.31	b	33.66	b	35.85	d	44.57	a	55.23		59.23		60.07	a	51.93	a	41.93	a	33.03	a	30.90	b	43.06	a
1983	33.29		35.39		40.45		39.69	a	49.35		53.17		57.50	c	61.80	a	48.93	c	41.78	d	40.33		20.23	a	43.49
1984	27.07	b	33.36	a	38.48		40.62	a	45.43	a	52.23		59.14	b	59.63	a	50.56	c	41.29		36.57		25.23		42.47
1985	26.93	a	22.93	a	32.83	a	42.64	b	48.53	a	55.03		64.23	a	57.90		49.29	f	44.04	f	22.89	b	19.70	a	39.36	b
1986	29.25	c	32.43		38.50	c	38.59	a	47.63	a	56.96	c	57.18	c	63.72	b	53.19	c	44.57	c	39.42	d	30.93	a	44.36
1987	28.14	b	33.04	e	37.66	b	43.38	a	50.69	b	55.38	a	60.10		58.66	b	54.45	a	42.16		37.03		31.00		44.31
1988	28.83	a	30.62		36.18	c	43.31	a	47.32		54.79	a	60.32		58.42		51.90		47.81		40.10	a	31.10	b	44.23
1989	32.42		18.79		34.58		44.29	b	47.81	d	56.07	b	59.48	b	59.26		51.97		44.00		39.87		31.13		43.31
1990	34.84		30.25		35.23		44.57	b	47.73	a	55.20		62.67	a	63.13		57.03		43.55		38.97		21.10	b	44.52
1991	24.97		34.11		34.39		41.53		47.61		51.73		61.26		63.39		54.10		42.84		37.97		34.61		44.04
1992	33.74		36.03		38.42		44.30		49.16		59.50		60.84		60.26		51.40		44.87		37.53		28.84		45.41
1993	19.48		25.07		32.90		42.45	a	51.53	a	53.97		56.61		58.19		51.43		44.84		26.47		33.06		41.33
1994	33.97		28.12	b	34.97		45.00		50.74		53.07		63.26		61.16		55.10	a	43.06		34.27		31.35		44.51
1995	28.03		33.46		34.87		40.83		49.43	a	54.80		61.42		56.53	a	56.52	c	42.90		39.69	a	32.03		44.21
1996	28.77		24.55		35.23		42.30		45.52		52.63		60.35		58.77		51.30		44.32		34.30		28.48		42.21
1997	27.90		31.96		36.52		40.24	a	49.32		53.97	a	59.48		62.10		54.10		43.35		37.63		31.94		44.04
1998	30.50	a	35.18		37.26		41.03		49.32		55.13		65.60	a	62.00		58.07		41.84		40.80		29.94		45.56
1999	33.90		34.79		35.97	a	38.37		45.03		53.07	a	57.43	a	62.84		49.97		42.20	a	40.07		34.94		44.05
2000	32.13		32.54	a	36.07	a	42.90		49.03		54.69	a	59.79	b	60.48	b	51.93		43.94		31.93	b	29.19		43.72
2001	31.23		29.96		35.77	a	40.80		47.80	a	53.03	a	62.07	a	61.81		55.43		44.23		37.57		33.23	a	44.41
2002	32.27	a	29.89	a	33.61		41.03		47.03		55.48	a	61.45		58.81		52.93		40.27	a	33.90		34.97		43.47
2003	36.35		31.93		40.19		42.34	a	47.87		55.77		63.80	a	62.26		55.47		47.35		32.03	a	32.13		45.63
2004	24.76	b	32.04	e	38.73	a	42.87		49.74		55.97		63.23		64.29		53.61	b	45.97		34.53		32.10		44.82
2005	28.77		27.14		37.90		42.96	d	50.48		54.24	a	-----	z	-----	z	52.73		-----	z	36.33	f	26.00	a	40.03	d
2006	35.39		28.26	a	36.29		42.31	a	48.50	a	56.07		63.16		-----	z	52.30		43.10		35.37		28.60	a	42.67	a
2007	25.81		32.15	a	37.23		41.27		47.64	c	54.00		64.03		-----	z	-----	z	-----	z	-----	z	-----	z	43.16	e
Period of Record Statistics
MEAN	28.69		31.19		35.90		41.53		48.38		55.04		61.02		60.71		52.93		43.31		35.62		30.29		43.82
S.D.	5.20		3.80		2.00		2.02		1.94		1.96		2.29		2.41		2.23		1.80		3.76		3.71		1.11
SKEW	-0.80		-0.81		0.22		-0.63		0.21		0.28		0.06		0.39		0.17		0.44		-1.24		-1.13		0.31
MAX	37.03		39.64		40.45		45.14		53.06		59.50		65.97		65.97		58.07		47.81		40.80		35.87		46.75
MIN	13.29		18.79		32.13		35.85		44.57		50.93		56.61		56.39		48.17		40.27		22.89		19.70		41.33
YRS	52		53		53		53		53		53		52		49		51		50		52		53		47