N WILLAMETTE EXP STN, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(356151)

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
1963	41.07	a	57.39		54.06		-----	z	67.77		69.80		72.97		77.39		76.57		63.84		53.31	a	47.03	a	61.93	a
1964	47.90		49.90		52.26		57.60		63.10		68.90		76.68		75.61		69.79	b	65.35		47.87		44.90	a	59.99
1965	44.94		49.67	a	59.13		61.27		63.52		72.10		82.00		79.77		74.43		66.16		54.87		44.00		62.65
1966	45.26		50.04		53.39		63.13		70.61		73.67		76.57	a	79.94		75.60		63.13		55.13		49.65		63.01
1967	48.97	a	52.04		51.68		55.27		67.52		76.53		83.61		89.19		80.93		63.00		55.47		46.90		64.26
1968	46.29		57.86		57.27	a	58.13		65.29		72.53		80.74		76.90		72.07	b	61.50	a	53.93		44.77	e	62.27
1969	38.71		47.68	c	58.68		59.10		69.72	b	76.59	a	78.10	a	76.50	c	73.24	a	59.81		54.96	c	48.67	a	61.81
1970	46.97	a	55.39		55.23		55.40		67.16		77.03		83.16		82.68		70.13		62.73	a	54.50		45.74		63.01
1971	44.94		49.00		50.61		57.73		66.58		66.37		80.19		82.93	b	70.57		59.87		50.79	a	44.90	a	60.37
1972	43.84		49.72		55.90		55.20		69.65		72.73		82.97		83.03		70.93		63.52		53.72	a	41.19		61.87
1973	44.61		52.93		53.44	d	60.63		68.87		72.00		82.52		77.06		74.67		60.90	a	49.27		49.71		62.22
1974	43.58		47.14		54.42		57.47		62.74		74.55	a	76.87		81.16		83.43		68.52		54.07		49.29		62.77
1975	48.00	a	48.29		52.41	b	54.73		66.23		71.57		80.26		75.03		79.57		60.29		51.93	a	48.58		61.41
1976	47.84		49.55		52.42		58.73		67.13		69.07		78.13		73.94		74.52	a	64.57	a	55.93		44.23		61.34
1977	46.45		53.64		51.52		63.73		61.68		75.07		78.48		84.94		70.20		63.58		50.48	c	49.53	a	62.44
1978	46.34	b	52.32		59.16		59.03		63.97		76.07	b	80.14	b	78.55		68.77		67.32		48.60		43.21	c	61.96
1979	39.00		47.54		58.48		59.20		68.16		76.63		82.48		78.35		76.37		66.74		51.37		51.23	a	62.96
1980	44.23		50.45		53.74		62.27		64.39		67.80		79.81		77.19		74.90		67.26		54.20		48.71		62.08
1981	50.19		51.56	a	57.61		60.56	c	65.48		70.83		80.00		84.87		76.33		63.03		55.45	a	49.58		63.79
1982	43.29		49.68		55.35		58.10	a	69.03	a	75.97		78.23		79.97		73.33		63.97		52.13		47.39		62.20
1983	49.16		53.71		57.65		62.27		70.52		70.43		74.97	a	79.61		72.47		63.35		53.97	a	41.32		62.45
1984	50.29		53.90		58.19		57.57		64.35		70.33		80.87		81.29		73.53		59.03		51.87		43.45		62.06
1985	44.10		48.59	a	54.42		62.73		68.32		75.33		87.13		79.77		70.23		62.71		44.57		42.87		61.73
1986	50.97		50.39		60.94		59.77		66.42		78.00		75.10		86.74		70.97	a	66.00		54.30		47.94		63.96
1987	47.81		54.07		56.58		65.47		71.16		77.87		77.68		82.87		78.83		73.16		54.63		44.03		65.35
1988	45.65		52.69		56.71		61.27		64.68		72.67		82.16		81.45		77.57		67.97		53.13		46.23		63.51
1989	47.48		43.82		53.19		66.47		67.77		76.33		76.23		76.45		80.47		63.58		54.07		45.50	a	62.61
1990	49.84		48.75		59.47	a	64.03		65.42		72.20		84.81		81.84		78.73		61.67	a	53.83		40.16		63.40
1991	47.77		56.86		53.61		58.70		62.10	a	68.30		82.84		82.65		80.73		68.70	a	54.31	a	46.33	a	63.58
1992	50.32		56.96	a	63.68		63.86	a	76.03		80.17		82.58		84.84		74.13		65.84		52.13		44.90		66.29
1993	43.29		49.86		57.61		59.20		70.23		71.23		72.68		80.26		80.17		68.87		49.30		46.48		62.43
1994	49.57	a	49.78	a	60.19		61.97		69.94		72.07		84.68		81.65		79.23		64.26		47.43		48.61		64.11
1995	51.19		56.04	a	58.16		60.07		71.77		73.83		81.90	a	78.10		77.63		62.65		57.97		49.23		64.88
1996	46.81		50.76		58.26		61.17	a	63.10		74.73		86.06		83.45		73.10		62.71		51.79	a	47.77		63.31
1997	47.93	a	52.43		55.06		59.60		73.55		71.97	a	80.71		83.61		76.93	a	61.45		57.70		46.48	b	63.95
1998	50.60	a	54.32		57.57	a	62.30		63.42		74.37		82.84		83.74		80.60		64.00	c	52.47		29.57	c	62.98
1999	48.19	d	49.39		52.29		60.27		63.13		68.97		78.61		78.58		78.73		65.45		54.83		48.90		62.28
2000	46.39		50.03		53.23		62.40		64.94		76.90		78.74		79.81		-----	z	63.23		50.73		46.97		61.21	a
2001	48.65		51.32		56.52		57.00		71.29		70.33		78.23		80.74		77.13		62.45		-----	z	-----	z	65.37	b
2002	-----	z	-----	z	52.13		61.23		64.74		74.47		82.74		82.13		77.17		-----	z	56.70		49.61		66.77	c
2003	52.42		52.89		55.61		57.80		66.61		77.23		85.16		81.68		77.90		65.13		50.37		47.10		64.16
2004	43.29		52.03		60.26		66.00		66.45		75.00		84.10		83.10		70.80		63.84		50.17		47.90		63.58
2005	48.58		52.96		59.90		59.83		67.58		69.83		81.97		84.32		74.43		62.33	a	51.87		45.97		63.30
2006	49.42		50.32		53.19		62.73		69.90		75.30		83.13		81.52		78.23		63.71		52.17		46.03		63.80
2007	44.47	a	51.21		58.16		60.67		70.26		72.83		82.74		80.19		-----	z	-----	z	-----	z	-----	z	65.07	d
Period of Record Statistics
MEAN	46.74		51.47		55.99		60.27		67.16		73.26		80.50		80.79		75.49		64.12		52.75		46.11		62.90
S.D.	3.12		2.99		3.04		2.86		3.23		3.17		3.37		3.20		3.73		2.80		2.79		3.64		1.24
SKEW	-0.58		0.21		0.23		0.11		0.41		-0.08		-0.38		0.08		-0.00		0.81		-0.63		-2.27		0.22
MAX	52.42		57.86		63.68		66.47		76.03		80.17		87.13		89.19		83.43		73.16		57.97		51.23		66.29
MIN	38.71		43.82		50.61		54.73		61.68		66.37		72.68		73.94		68.77		59.03		44.57		29.57		59.99
YRS	44		44		45		44		45		45		45		45		43		43		43		43		40