PORTLAND KGW-TV, OR

Average of Average Temperature (Degrees Fahrenheit)

(356749)

File last updated on April 19, 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
1973	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	64.63		64.28		54.26		44.02		44.92		54.42	g
1974	38.03		42.75		47.10		51.33		55.18		64.55		67.45		68.40		69.02		56.55		48.31	a	44.00		54.39
1975	41.81		41.43		45.27		47.70		58.06		61.35		68.32		64.19		67.18		53.81		46.12		43.68		53.24
1976	43.39		42.62		45.19		51.58		57.90		60.90		67.44		65.69		64.90		56.10		49.40		41.29		53.87
1977	38.55		46.71		45.39		54.92		54.13		65.05		66.16		71.92		61.68		55.76		44.62		-----	z	54.99	a
1978	42.17	a	47.29		52.00		51.89	c	56.93	a	67.28		69.73		68.17	a	61.73		57.69		41.80		37.55		54.52
1979	31.42		42.34		51.45		52.92		59.85	a	64.90		70.48		-----	z	-----	z	-----	z	45.27		45.19	d	51.53	c
1980	36.39		44.39	a	46.66		54.97		57.69		60.10		68.68		66.06		63.92		56.74		48.35		44.71		54.06
1981	45.53		44.86		49.53		52.83		57.63		61.95		67.65		72.13		64.08		53.56		48.65		42.60		55.08
1982	39.65	a	43.16		47.06		49.42		57.97		65.00		65.81		68.16		63.02		54.74	b	43.70		41.21		53.24
1983	44.35		47.11		50.63		52.90	a	60.77		61.33		65.72	a	68.31		61.68		54.79		47.88	a	36.13	a	54.30
1984	43.79	b	45.95		50.74		50.07		55.69		60.62		68.10	a	67.69		62.55		51.67	a	45.55	a	37.87	a	53.36
1985	37.24	b	-----	z	45.21		53.43		57.39		63.18		71.94		67.50	a	60.13		53.30	a	-----	z	35.00		54.43	b
1986	45.05		44.91		52.47		50.60		57.12	a	66.32		64.31		72.17	a	60.70		57.53		47.82		41.58		55.05
1987	41.05	a	46.75		49.47		55.10		60.37		65.98		66.03		70.23		66.05		59.77		49.40		39.45		55.80
1988	39.61		46.00		47.76		52.92		56.15		62.27		68.18		67.89		64.33		59.05		46.82		42.10		54.42
1989	42.17	a	36.15	a	46.02		56.70		57.97		64.75		64.77		65.55		65.87		55.19		48.35		40.95		53.70
1990	43.32		41.77		50.35		54.72		-----	z	63.03	a	70.52		70.13		67.13		53.24		48.07		34.85		54.29	a
1991	41.06		50.48		46.11		50.82		54.23		59.42		69.34		68.90		67.73		56.08		47.67		43.16		54.58
1992	45.23		49.55		53.77		55.57		63.97		66.98		70.68		70.61		63.33		57.08		46.98		39.23		56.92
1993	37.15		41.04		49.00		52.00		61.27		61.98		63.16		68.16		65.83		57.84		40.88		41.40		53.31
1994	44.76		41.85	a	50.85		53.93		59.81		61.55		69.65		68.42		66.77		54.21		41.85		42.98		54.72
1995	44.05		47.64		48.65		51.27		60.35		63.27		69.78	a	66.15		66.72		54.62	b	52.25		42.85		55.63
1996	41.03		42.43		48.53		53.78	a	54.79		63.12	d	70.92	a	69.88	b	61.32		54.15		45.77		42.06		53.98
1997	41.65		44.34		47.50	b	51.72		62.76		62.60	a	67.97		71.23		65.67		53.89		50.47		42.00		55.15
1998	43.47	a	46.95		49.62	a	53.18		56.03		63.05		70.37		70.29		67.03		54.84		48.43		40.79		55.34
1999	42.82		44.11		45.87		50.67	a	54.43	b	60.62	b	66.58		68.41	b	65.17		55.81		50.73		-----	z	55.02	a
2000	40.61		45.02		46.32	a	54.70		57.21		65.06	d	68.03	b	67.23		63.55		55.19		43.81	a	41.19		53.99
2001	42.45	a	43.18		48.65		49.95		59.76		60.83	c	65.89		68.82		65.30		54.44		48.64	b	42.53		54.20
2002	41.95		45.95		44.92	a	52.60		55.83	a	64.12		70.10	a	68.92		64.82		54.23		48.81	a	44.29		54.71
2003	46.66		45.07		49.21	c	50.55		57.74		66.70	b	71.00	a	69.81	b	66.98	a	57.52	a	45.05	a	42.73	a	55.75
2004	38.48	e	45.90		51.73	a	56.15		59.29		65.36	b	70.98		70.60	a	62.71	a	56.54	c	46.07	a	44.03		55.65
2005	44.79	e	45.40	b	51.25	a	52.55		60.00	a	61.30	c	69.57	b	70.41	c	63.07	b	55.90	b	45.16	a	40.72	b	55.01
2006	44.90	a	43.36		46.42		53.55	a	-----	z	65.90		70.09	d	68.76		65.52	a	54.84	f	47.00		41.02	d	54.65	b
2007	38.41	c	45.06	a	50.44		51.67	c	59.02		62.53		70.85		68.23		63.15	c	52.92	a	45.38	b	41.08		54.06
2008	-----	z	45.29		45.09	b	47.93	g	58.42	a	61.29	a	68.52	a	69.91	b	66.04	c	54.32	c	49.87		37.98	c	55.67	b
2009	40.56		42.65	a	44.84		52.00		59.66		64.42		73.00		69.34		65.74	a	54.15		47.77		37.85		54.33
2010	46.68		48.09		49.15		50.97		54.98		59.82		67.21		69.70	f	64.21	b	55.98		45.28		42.98		53.21	a
2011	42.19		40.55		46.44		47.63		53.56		61.33		65.73		69.02	a	67.75	b	54.73		45.02		39.62	a	52.80
2012	42.00	a	43.48		44.79		52.98		56.95		60.57		66.63		69.63		65.12	a	55.84		48.48		42.05		54.04
2013	37.89		44.23		48.92		52.53		59.78	a	64.06	c	68.55		69.84		63.92		53.81		46.58		37.08		53.93
2014	42.40		40.23		49.42		53.33		60.50		62.52		71.15		71.82		67.27		59.74		46.02	a	44.45		55.74
2015	44.68		50.32		53.10		52.65		60.23		69.22		73.02	a	71.34		62.92		59.81		45.40		42.92		57.13
2016	42.84		49.31		49.37	a	56.93		61.05		63.97	a	66.95		70.60		63.07		55.16		51.97		37.03		55.69
2017	34.56		41.59		47.81		50.85		59.63		64.15		68.87		72.66		66.38		54.63		47.20		39.85		54.02
2018	45.58		42.30		46.79		53.22		61.47		63.83		72.11		70.65		63.32		56.45		48.15		43.61		55.62
2019	43.74		37.36		46.84		53.18		60.58		63.93		68.11		69.77		62.93		51.76		46.88		43.16		54.02
2020	45.48		44.36		46.16		54.12		59.87		62.98		68.65		69.69		66.80		55.92		45.90		43.90		55.32
2021	44.74		40.95		46.68		54.85		58.97		69.17		70.61		70.39		65.22		53.85		49.28		39.72	a	55.37
2022	42.02		43.91		48.74		48.15		54.81		63.48		71.74		73.27		67.92		60.45		42.70		38.63		54.65
2023	43.02		40.64		44.11		49.98		62.71		63.90		70.84		73.19		64.15		56.89		47.03		45.53		55.17
2024	39.89		45.22		48.32		51.86	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	44.48	i
Period of Record Statistics
MEAN	41.83		44.24		48.19		52.49		58.34		63.43		68.76		69.28		64.71		55.56		46.85		41.26		54.66
S.D.	3.19		2.98		2.43		2.16		2.50		2.29		2.29		2.09		2.07		2.02		2.48		2.70		0.96
SKEW	-0.94		-0.17		0.33		-0.18		-0.04		0.50		-0.27		-0.34		-0.14		0.58		-0.21		-0.62		0.42
MAX	46.68		50.48		53.77		56.93		63.97		69.22		73.02		73.27		69.02		60.45		52.25		45.53		57.13
MIN	31.42		36.15		44.11		47.63		53.56		59.42		63.16		64.19		60.13		51.67		40.88		34.85		52.80
YRS	50		50		51		49		48		50		50		49		50		49		50		49		42