HILLSBORO, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(353908)

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
1929	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	52.21	f	49.50	a	49.50	k
1930	32.67	a	51.11		59.97	a	64.77		63.84		73.07	b	80.20	a	84.50	c	74.14	b	63.53	a	53.65	d	45.88	f	63.77	a
1931	49.92	e	52.31	b	56.14	b	66.86	a	77.13	a	74.75	b	86.86	c	84.68		70.41	a	63.80	a	49.52	a	43.00		64.61
1932	42.50	a	46.69		53.16		61.70		67.87	a	79.83		78.68		82.43	a	79.93	a	66.73	i	53.18	b	42.42	e	62.58	a
1933	43.10	a	45.24	k	53.07	b	65.07		63.07	a	74.50	b	83.90	b	84.03	b	68.10		66.73	e	51.11	b	50.17	a	63.89	a
1934	53.05	j	55.86		65.21	c	73.31	d	73.20	a	77.64	b	80.20	a	83.13		73.18	b	65.61		53.87		47.45		68.06	a
1935	43.97		51.79		50.13		62.60		72.47	a	78.93		82.61		84.13		78.53		59.17	b	47.83		45.87	a	63.17
1936	47.39		40.24		53.40	a	66.34	a	73.19		74.80		80.90	a	82.58		75.27		68.93	a	52.03		45.42		63.38
1937	34.32		47.41	a	56.32		57.87		71.29		76.20		81.71		78.15	d	74.20		66.38	b	53.80		48.81		62.20
1938	45.70	a	48.82		53.53	a	63.20		71.00		79.07	b	86.93	a	78.28	b	77.59	a	63.81		48.96	d	47.61		63.71
1939	47.17	a	45.70	a	58.00	a	66.43		72.03		72.87		83.00		82.26		76.17		62.69	b	52.73		48.68		63.98
1940	46.93	a	52.10		58.63	a	64.37		74.48		80.72	a	79.81		82.81		74.90	a	64.68		50.83	a	47.00		64.77
1941	48.48		54.57		63.58		65.93		67.77		74.03		85.94		78.13		68.60		63.39		52.17	a	46.87		64.12
1942	40.23		48.93	a	54.84		61.97		65.71		71.33		81.52		80.63	a	75.93		64.58		49.53		47.29		61.87
1943	40.10	a	53.63	a	54.71		65.60		67.19		72.17		81.35		77.39		83.00		63.74		54.20		46.40	a	63.29
1944	46.13		49.85	b	55.94		61.53		71.03	b	73.63		82.84		80.77		79.43		69.13		52.53		45.45		64.02
1945	48.19		51.25		52.94		59.57		70.39		75.40		83.77		81.81		73.20		65.52		52.48	a	46.71		63.44
1946	45.32		49.11		56.13		62.90		73.32		71.83		80.81		82.74		75.30		61.43	a	52.03		47.71		63.22
1947	41.94		54.61		61.94		67.47		74.39		71.93		77.23		78.03	b	78.33		63.71		53.97		47.47	a	64.25
1948	46.19		48.07		53.58		56.13		66.77	a	78.97		79.87	a	76.00		75.67		62.97		49.62	a	41.35		61.27
1949	36.16		46.57		54.61		65.93		73.45		77.41	a	81.97		80.29	g	81.37		59.48		57.83		46.84		61.97	a
1950	35.29		47.29		51.67	a	59.57		69.45		75.77		82.97		85.90		79.77		59.27	a	52.07		52.13		62.59
1951	44.90	b	50.43		50.39		69.43		71.00		80.67		84.26		83.26		80.13		63.06		51.93		43.32		64.40
1952	41.90		47.68	a	52.94		67.13		71.35		72.07	a	87.17	a	84.16		83.47		74.87		49.83	a	47.52		65.01
1953	52.90		52.68		54.45		59.52	a	65.45		67.63		80.94		79.52		77.38	a	67.00		55.34	a	48.42		63.44
1954	43.94		52.11	a	56.14	c	60.93	a	71.93	a	69.21	a	77.00		75.06		73.50		64.73	a	55.43		46.61		62.22
1955	43.93	a	47.75		49.81		55.13		64.68		73.13		75.40	a	81.10		76.03		63.20	a	47.53		45.13		60.24
1956	46.17	a	41.55		51.06		65.23		72.52		68.60		83.65		79.32		74.17		59.26		50.97		46.11	c	61.55
1957	36.32		50.18		54.17	a	64.03	a	70.97	b	73.25	b	78.10		77.42		81.97	a	62.80	a	53.13		49.00	a	62.61
1958	49.57	a	55.19	a	55.72	b	61.27		75.58		77.83	a	88.40	a	86.83	a	75.03		69.86	b	51.96	c	50.17	b	66.45
1959	46.39		48.29		54.93	d	61.96	c	65.90	a	71.20		82.53	a	78.61	c	70.72	a	64.29		52.83	a	44.87		61.88
1960	38.41	b	48.30	b	52.03	a	59.68	b	61.69	b	76.63		87.07	a	79.32		77.90	a	66.67	a	52.93		46.52		62.26
1961	50.90	b	52.48	c	54.50	a	58.61	b	66.39		81.07	a	85.68		88.71		74.45	a	64.35		50.14	a	46.17	a	64.45
1962	45.72	b	49.74	a	52.67	a	62.83	a	60.71		73.77		80.79	b	78.76	b	74.57		62.97		53.62	a	47.87		62.00
1963	40.69	b	56.00		54.13		55.57		68.32		71.47		73.68		78.87		79.67		62.45		52.48	g	48.90		62.70	a
1964	47.13		52.41		53.32		58.47		64.35		69.73		77.06		75.13		71.97		66.77	a	49.31	a	45.00		60.89
1965	46.00		50.25		59.71		61.77		64.94		72.33		82.32		79.32		73.93		67.74		54.83		43.77		63.08
1966	45.29		50.21		53.94		62.83		69.84		72.13		76.84		79.90		74.93		62.87		55.73		48.77		62.77
1967	48.60	a	52.86		51.90	a	56.37		68.29		77.33		83.71		91.61		82.21	a	64.33	a	55.87		46.77		64.99
1968	45.94		57.55		57.29		59.67		66.70	a	72.93		81.55		76.06		73.47		60.87		52.40		43.16		62.30
1969	38.74		47.54		59.58		60.93		72.07	a	76.80		78.60	a	78.19		73.47		62.06		53.53		47.00		62.38
1970	46.00		56.04		57.23		57.50		69.48		79.30		83.32		82.32		71.20		64.71		52.93		44.48		63.71
1971	44.68		50.11		51.35		60.17		69.19		68.83	a	82.90		84.39		72.47		60.71		51.30		44.10		61.68
1972	43.55		49.83		56.74		57.23		72.48		74.83		84.10		84.48		71.80		64.10		53.63		42.13		62.91
1973	43.77	a	53.50		54.10		62.60		70.39		72.97		82.77		77.06		75.55	a	62.35		49.07		49.03		62.76
1974	43.61		47.61		55.06		59.33		64.26		76.13		78.42		81.61		82.20		68.16		54.40		48.94		63.31
1975	47.06		47.50		53.16		57.00		68.45		71.33		79.84		74.90		80.37		59.61		51.20		48.45		61.57
1976	47.84		49.41		52.19		59.77		67.74		70.40		78.29		75.29		75.90		65.68		56.77		44.84		62.01
1977	46.13		54.68		52.61		65.80		62.65		76.03		77.10		84.00		70.97	a	64.10	b	50.13		48.16		62.70
1978	46.06		53.00		60.57	a	59.70		65.70	a	77.10	a	81.45		78.90		70.07		68.13		48.31	a	41.81		62.57
1979	38.00		47.86		59.71		60.93		70.16		76.00		81.73	a	77.97		76.76	a	66.42		52.53		50.68		63.23
1980	43.45		50.00		53.71		63.53		66.45		67.53		79.84		78.03		75.23		67.26		54.10		49.65		62.40
1981	51.77		51.14		58.90		60.57		66.19		70.33		78.61		85.58		76.83		63.74		56.40		48.58		64.06
1982	43.00		49.39		55.23		57.87		68.03		75.73		77.90		79.03		73.17		64.00		50.47		46.90		61.73
1983	48.45		52.54		57.16		62.53		71.35		70.30		74.94		78.77		72.97		63.97		54.00		39.55		62.21
1984	48.65		52.59		58.42		57.87		64.16		70.83		80.97		80.90		73.60		59.65		51.87		42.55		61.84
1985	44.10		48.07		54.39		63.33		68.68		74.41	a	86.45		79.26		70.53		62.45		43.33		42.55		61.46
1986	50.06		50.14		61.13		60.20		66.45		77.03		75.03		86.71		71.33		67.48		53.30		46.26		63.76
1987	46.84		52.61		56.35		65.70		71.00		77.77		77.00		83.00		79.80		73.03		55.20		43.00		65.11
1988	44.26		52.48		56.81		61.60		65.26		72.73		82.00		79.87		77.20		68.26		52.07		46.45	b	63.25
1989	46.71		42.54		51.42		65.96	c	68.03	a	75.90		74.84		76.23		79.93		63.32		53.67		45.23		61.98
1990	48.35		47.36		59.00		64.67		65.52		72.10		83.55		81.74		77.77		62.03		52.24	a	39.16		62.79
1991	46.23		57.07		53.48		59.13		62.39		68.24	a	80.74		81.61		80.30		67.81		52.69	a	46.48		63.01
1992	48.74		56.62		63.68		64.10		75.45		79.10		80.94		83.94		74.23		65.77		51.27		44.03		65.66
1993	41.71		48.18		57.30	a	59.97		70.97		70.57		71.74		79.58		80.10		67.90		47.50		46.55		61.84
1994	48.81		47.92	b	60.68		62.87		69.81		72.30		83.71		80.74		79.10		62.52		46.00		46.90		63.45
1995	49.52		55.19	a	57.13		60.27		71.74		73.30		81.32		78.65		76.57		61.81		56.83		47.26		64.13
1996	45.26		49.90		57.19		61.97		63.48		73.87		85.48		83.16		71.90		61.74		50.40		46.42		62.56
1997	45.84		50.61		54.87		60.60		74.00		72.90		80.87		83.94		76.00		61.68		59.73		46.61		63.97
1998	48.58		52.86		58.58		64.60		64.87		75.73		83.45		84.58		81.73		64.00		54.87		46.39		65.02
1999	47.45		50.82		54.68		62.57		65.17	b	70.43		78.86	q	-----	z	-----	z	60.42	s	55.87		52.74		57.47	d
2000	46.39		51.10		56.84		69.43		69.10		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	58.57	g
2001	-----	z	-----	z	-----	z	-----	z	70.13	a	69.59	a	76.45		77.74		73.20		58.90		51.37		45.87		65.41	d
2002	44.00		49.96		50.23		61.38	a	65.10		75.96	c	86.30	k	84.20	p	76.33	o	64.66	b	54.76	a	49.10		57.24	c
2003	51.03		52.54		55.29		58.23		67.97		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	57.01	g
Period of Record Statistics
MEAN	45.01		50.56		55.63		62.05		68.70		74.06		81.05		80.92		75.87		64.35		52.39		46.39		63.07
S.D.	4.13		3.40		3.36		3.53		3.68		3.38		3.51		3.45		3.69		3.12		2.80		2.67		1.23
SKEW	-0.91		-0.38		0.63		0.45		0.02		0.14		-0.26		0.45		0.13		0.71		-0.37		-0.38		0.33
MAX	52.90		57.55		65.21		73.31		77.13		81.07		88.40		91.61		83.47		74.87		59.73		52.74		66.45
MIN	32.67		40.24		49.81		55.13		60.71		67.53		71.74		74.90		68.10		58.90		43.33		39.16		60.24
YRS	72		72		73		73		74		72		70		69		70		70		71		72		63