PORTLAND KGW-TV, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(356749)

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
1973	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	53.26		53.63		46.74		39.53		40.55		46.74	g
1974	33.29		37.71		39.42		43.47		46.58		53.43		56.45		56.42		55.77		45.84		42.10	a	38.90		45.78
1975	36.48		35.25		38.16		38.97		47.10		51.33		56.71		53.97		54.73		48.16		40.87		38.90		45.05
1976	38.55		36.31		37.68		42.43		47.48		50.80		55.84		56.65		55.20		47.55		42.23		35.97		45.56
1977	32.06		39.79		38.16		43.37		45.87		53.47		54.52		59.48		53.40		47.45		39.00		-----	z	46.05	a
1978	37.81		41.75		42.97		43.39	b	46.77		56.07		57.84		57.47	a	53.63		48.00		35.20		32.39		46.11
1979	26.58		37.11		42.58		44.23		49.48		53.40		58.19		-----	z	-----	z	-----	z	39.70		40.04	d	43.48	c
1980	31.32		38.64	a	39.68		44.87		48.90		51.70		56.94		55.10		53.27		47.81		42.93		39.32		45.87
1981	40.42		37.61		41.10		44.43		48.84		52.73		56.19		59.13		52.87		45.13		41.43		37.87		46.48
1982	34.93	a	36.93		38.55		39.90		46.84		53.63		54.77		56.84		52.83		46.21	b	37.33		36.13		44.57
1983	38.87		41.61		43.81		42.48	a	50.10		52.37		56.23	a	57.90		51.30		46.35		43.45	a	31.93	a	46.37
1984	37.87	a	39.21		42.71		42.37		46.94		50.83		55.71		56.26		52.83		45.47	a	40.21	a	34.03	a	45.37
1985	31.79	b	-----	z	37.81		44.70		48.23		52.43		58.52		56.39		51.33		46.17	a	-----	z	29.81		45.72	b
1986	39.68		39.18		44.42		42.67		48.10	a	56.13		54.97		59.58		52.90		48.81		43.17		37.06		47.22
1987	36.29		40.93		42.48		45.40		50.77		54.37		56.87		58.39		55.07		49.45		43.93		35.55		47.46
1988	34.84		38.97		39.58		44.87		47.03		52.20		56.45		56.65		52.87		52.23		42.30		37.39		46.28
1989	37.53	a	30.04	a	39.84		47.07		48.77		54.80		55.48		56.39		53.53		47.61		42.90		36.39		45.86
1990	38.87		36.14		42.13		45.50		-----	z	53.86	a	58.77		59.55		57.50		46.10		42.77		30.10		46.48	a
1991	35.55		43.54		38.97		43.30		46.81		51.17		57.32		58.19		56.20		46.84		42.97		39.32		46.68
1992	40.39		43.52		43.94		47.87		52.10		56.23		59.65		58.52		53.43		49.52		42.03		35.55		48.56
1993	32.74		35.29		41.58		45.33		51.61		53.33		55.10		58.06		54.07		49.81		35.00		36.19		45.68
1994	39.84		35.79		42.19		45.93		50.52		52.13		57.00		57.81		56.67		46.16		37.20		38.32		46.63
1995	39.90		40.79		40.61		43.00		50.13		53.73		59.45		55.74		57.90		47.62	b	47.80		38.42		47.92
1996	36.52		35.86		40.90		45.66	a	47.32		52.46	d	59.00	a	58.77	a	52.10		46.87		40.13		37.45		46.09
1997	37.48		37.75		40.37	a	44.17		52.65		53.55	a	57.23		60.29		56.13		47.71		44.93		38.19		47.54
1998	38.57	a	41.43		42.57	a	44.40		49.61		53.70		60.35		58.71		55.67		47.68		44.20		36.19		47.76
1999	38.26		39.25		38.90		41.52	a	45.55	b	51.89	b	55.74		58.79	b	53.07		46.81		45.20		-----	z	46.82	a
2000	36.19		39.76		38.77	a	44.80		48.42		53.08	d	57.34	b	56.19		53.77		48.03		38.45	a	36.39		45.93
2001	37.47	a	36.50		41.10		42.10		47.94		50.52	a	55.42		57.52		54.57		46.74		43.97	a	39.03		46.07
2002	38.23		39.61		38.03	a	44.27		46.57	a	54.30		57.87	a	57.03		53.83		46.10		42.72	a	40.19		46.56
2003	42.03		39.36		42.79	b	43.27		48.52		55.39	b	58.00		58.17	a	56.38	a	50.33	a	39.69	a	38.80	a	47.73
2004	34.11	d	40.38		43.53	a	45.70		51.13		55.04	b	59.55		60.13	a	54.76	a	49.61	c	40.41	a	40.03		47.87
2005	39.11	d	36.88	b	42.68		44.97		52.06		52.79	b	58.24	b	58.28	b	53.04	b	49.97	b	39.48	a	36.63	a	47.01
2006	40.42		37.14		39.29		43.97		-----	z	56.13		58.04	d	56.94		53.79	a	46.24	f	42.40		35.89	c	46.40	b
2007	33.07	c	39.74	a	43.03		43.30	c	48.32		53.10		60.00		57.77		53.11	b	45.55		39.87		37.45		46.19
2008	-----	z	38.97		38.24	b	39.57	g	49.67	a	50.90	a	56.40	a	59.27	a	53.74	c	46.50	c	44.63		32.93	b	47.12	b
2009	34.97		35.81	a	38.52		42.33		48.03		54.97		60.29		58.61		55.55	a	46.97		41.73		32.94		45.89
2010	42.48		41.68		41.52		42.97		46.39		50.57		55.87		57.96	f	55.68	b	48.45		40.27		38.90		45.89	a
2011	37.55		35.14		40.81		40.07		45.26		52.77		55.77		58.57	a	57.39	b	49.19		39.53		33.90		45.50
2012	36.63	a	38.59		38.39		44.87		47.26		51.97		56.42		57.97		53.93	a	48.90		43.73		37.97		46.39
2013	33.29		38.86		41.29		44.50		50.26		54.22	c	56.48		59.68		56.37		45.23		41.27		32.58		46.17
2014	37.16		35.43		41.74		44.83		51.16		53.10		59.71		61.06		57.37		52.65		41.03	a	40.00		47.94
2015	39.13		44.14		44.42		43.10		50.87		57.40		60.83	a	60.32		53.23		52.10		40.03		38.94		48.71
2016	38.68		43.34		42.20	a	47.00		51.29		53.28	a	57.00		58.97		53.40		49.77		46.80		33.06		47.90
2017	30.00		36.64		42.10		43.63		49.58		54.43		56.48		60.52		56.70		46.26		42.53		35.65		46.21
2018	41.45		37.11		39.45		45.37		51.68		53.83		59.65		59.81		53.10		48.45		43.13		39.52		47.71
2019	38.97		32.68		38.32		45.87		50.39		53.77		58.52		59.58		55.63		44.32		40.83		39.00		46.49
2020	41.35		38.14		38.84		44.77		50.97		54.10		58.32		58.45		58.03		48.03		39.60		38.97		47.46
2021	40.23		35.96		38.81		44.13		49.42		57.83		59.00		59.55		55.23		47.13		44.33		35.77	a	47.28
2022	36.16		37.82		42.00		40.53		46.61		54.53		60.03		61.84		57.80		51.52		37.47		34.39		46.73
2023	38.65		35.04		37.13		42.50		52.19		53.07		59.10		62.19		55.17		49.81		41.83		41.10		47.31
2024	35.35		39.79		41.03		43.92	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	38.73	i
Period of Record Statistics
MEAN	36.98		38.30		40.69		43.88		48.92		53.46		57.51		58.22		54.59		47.87		41.49		36.78		46.66
S.D.	3.29		2.81		2.02		1.82		2.01		1.71		1.68		1.83		1.75		1.93		2.64		2.78		0.96
SKEW	-0.84		-0.15		0.07		-0.48		0.08		0.41		0.17		-0.35		0.32		0.64		-0.22		-0.70		0.17
MAX	42.48		44.14		44.42		47.87		52.65		57.83		60.83		62.19		58.03		52.65		47.80		41.10		48.71
MIN	26.58		30.04		37.13		38.97		45.26		50.52		54.52		53.26		51.30		44.32		35.00		29.81		44.57
YRS	50		50		51		49		48		50		50		49		50		49		50		49		42