MOUNT VERNON 3 WNW, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(455678)

File last updated on April 25, 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
1956	45.94		41.03		48.71		60.96	b	68.77	a	65.70		76.03		74.55		68.30		56.81		49.10		45.55		58.45
1957	37.87		44.75		52.29		59.37		68.06		69.30		70.84		73.83	b	74.03		59.42		51.30		49.68		59.23
1958	50.32		54.61		54.16		59.97		71.90		75.17		82.58		79.13		69.07	a	62.03		49.17		50.55		63.22
1959	46.90	a	46.64		51.52	f	59.20		64.55		70.33		76.65		72.87		65.80		58.58		50.17	a	47.35		59.91	a
1960	44.48		49.71	h	52.00		59.20		61.94		69.13		78.26		71.87	a	67.17		61.45		50.70		46.50	a	60.25	a
1961	51.70	a	50.86		54.39		56.20		64.52		72.73		77.06		78.90		68.53		58.10		49.77		45.19		60.66
1962	45.55		50.79		51.77		59.33		60.42		70.33		73.77		72.39		70.77		60.61		52.73		48.65		59.76
1963	39.23		55.36		52.32		57.23		67.45		68.62	a	70.52	b	74.42		73.78	c	62.29		51.00	b	48.19		60.03
1964	46.90	b	48.55		50.10		53.37		61.39		65.70		70.42		69.48		64.87		60.84		47.40		41.18	c	56.68
1965	43.13		47.12	c	53.16		58.13		60.58		68.50		74.52		72.06		65.28	a	62.90		53.90		45.13		58.70
1966	46.71		50.21		52.81		57.57		62.06		65.87		69.29		72.97		69.00		58.48		52.63		49.20	a	58.90
1967	47.68		49.19	a	49.83	a	54.87		62.55		72.43		73.81		79.65		73.40		59.74		51.93		44.65		59.98
1968	45.97		54.07		53.74		55.13		64.68		67.10		75.71		71.10		66.43		57.45		52.27		42.48		58.84
1969	35.42		47.43		53.97		56.45	a	67.39		72.37		71.65		70.03		66.37		59.35		51.20		48.06		58.31
1970	44.87		53.33	a	53.71		53.97		62.65		70.47		72.61		72.71		64.67		57.06		51.14	a	44.27	a	58.45
1971	43.58		46.75		48.42		57.13		63.10		63.37		73.32		76.74		65.60		56.13		49.90	a	41.48		57.13
1972	40.32		48.03		52.55		53.30		64.97		65.83		72.65		75.48	b	63.96	c	58.63	a	52.14	a	42.84		57.56
1973	45.03		50.29		52.26		58.63		66.13		68.07		73.53	a	71.45		70.63		58.23		47.70		48.39		59.19
1974	43.81		47.11		52.32		56.20		60.03		69.33		71.03		75.13		75.50		61.90		52.63		48.77		59.48
1975	43.74		46.04	a	50.45		54.33		64.32		66.90		73.77		69.84		71.30		58.35		50.40		46.94		58.03
1976	47.42		46.76		48.65		58.63		64.35		66.07		73.23		69.03		70.80		60.74		52.37		49.06		58.93
1977	43.20	a	53.78	a	49.81		59.66	a	61.69	b	69.76	a	71.50	a	78.06		65.63		59.94		49.27		46.17	a	59.04
1978	46.90		50.96		54.48		58.39	b	62.90	a	72.90	a	76.17	b	74.00		65.13		61.06		46.40		41.77	a	59.26
1979	39.42		46.29		55.32		56.80		64.77		68.10		75.16		72.87		70.93		61.77		50.53		50.26		59.35
1980	40.77		51.14		50.48		60.73		62.52		65.63		71.23		70.87		66.47		62.52		52.79	a	48.81		58.66
1981	50.90		49.93		56.26		56.93		62.00		63.80		70.81		76.45		69.03		57.87		54.00		46.35		59.53
1982	42.13		47.64		51.65		56.07		63.35		71.86	a	69.32		71.84		68.63		60.30	a	48.07	a	46.17	a	58.09
1983	49.68		51.56	a	55.94		58.87		65.84		66.67		69.77		73.58		65.10		58.23		51.97		39.76	b	58.91
1984	47.00		50.79	a	55.06		56.87		61.00		67.00		73.35		73.71		66.67		56.19		49.60		39.06		58.03
1985	40.97	a	45.71		50.77		56.30		63.65		68.10		78.77		74.77		66.10		57.32		38.97		40.90		56.86
1986	52.10		48.64		55.90		53.90		63.81		69.90		69.06		77.10		66.87		61.81		49.13		47.13		59.61
1987	45.77	a	52.32		56.74		59.87		64.65		70.63		71.81		74.84		70.47		63.52		53.41	a	44.37	a	60.70
1988	45.42		48.66		51.32		55.83		62.10		66.57		71.65		72.81		67.27		58.74		49.73		46.84		58.08
1989	44.29		41.30	a	50.37	a	61.27		62.39		70.17		70.42		71.16		71.43		59.39		50.63		45.87		58.22
1990	46.39		44.14		53.39		58.53		61.84		66.73		75.29		75.35		68.77		56.48		50.14	a	39.35		58.03
1991	43.27	a	52.89		49.23		55.80		60.26		63.73		72.55		72.58		68.80		58.32		51.50		49.63	a	58.21
1992	50.71		53.97		58.71		-----	z	67.97		72.63		72.29		74.19		66.73		60.65		50.43		42.79	c	61.01	a
1993	41.06		49.46		55.39		58.03		68.06		67.95	i	68.45		72.35		70.10		61.87		46.70	c	45.97		57.95	a
1994	50.32		46.43		55.26		59.00		66.68		67.27		75.90		75.19		71.13		59.10		47.66	a	47.48		60.12
1995	49.90	a	50.71		54.65		58.33		66.81		70.97		74.74		70.94		72.70		58.35		55.13		47.67	a	60.91
1996	44.26		49.96	a	54.61		59.47		60.19		68.40		75.16		74.97		64.87		58.16		48.77		42.71		58.46
1997	46.77		48.57		52.45		58.80		67.61		68.30		71.94		77.48		70.43		58.19		55.00		48.35		60.33
1998	47.77		52.71		54.42		58.77		62.52		67.83		-----	z	75.58		71.60		60.48		52.50		45.10		59.03	a
1999	47.03		49.11		51.97		57.53		60.65		65.27		70.35		72.23		69.07	a	59.52		53.80		46.19		58.56
2000	45.94		-----	z	52.35		59.27		61.26		69.37		-----	z	71.81		68.37		-----	z	-----	z	46.10		59.31	d
2001	48.93	a	47.93		52.61		56.55	a	64.00		65.87		-----	z	73.32		67.63		57.32		53.53		46.74		57.68	a
2002	46.32		-----	z	47.81		57.00		61.68		-----	z	72.45		74.50	a	68.63		58.19		54.47		50.22	h	60.12	c
2003	51.44	d	48.61		53.26		56.93		63.39		71.90		-----	z	-----	z	70.60		60.90		48.43	b	47.90	a	57.34	b
2004	46.81		51.90		55.55		63.70		65.16		71.80		75.04	f	76.06		64.59	a	57.97		49.10		45.55		58.93	a
2005	45.74		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	45.74	k
Period of Record Statistics
MEAN	45.56		49.22		52.78		57.67		63.89		68.61		73.17		73.80		68.55		59.44		50.65		45.81		58.99
S.D.	3.69		3.23		2.43		2.17		2.68		2.74		2.91		2.55		2.83		1.90		2.78		2.96		1.22
SKEW	-0.44		-0.34		-0.03		0.04		0.72		0.17		0.85		0.37		0.39		0.24		-1.44		-0.62		0.91
MAX	52.10		55.36		58.71		63.70		71.90		75.17		82.58		79.65		75.50		63.52		55.13		50.55		63.22
MIN	35.42		41.03		47.81		53.30		60.03		63.37		68.45		69.03		63.96		56.13		38.97		39.06		56.68
YRS	50		46		48		48		49		47		44		48		49		48		48		48		39