SISTERS, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(357857)

File last updated on April 16, 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
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	85.70	u	72.17		67.13		50.37		48.32		59.50	h
1959	42.90		42.33	a	51.10		60.50		60.57	a	72.93		85.58		79.03	a	68.45	a	64.00		55.37		42.67	a	60.45
1960	37.58		42.44	b	52.13		57.30		60.87		77.30		88.57	a	78.77		76.47		64.81		45.93		41.29		60.29
1961	43.97		48.74	a	49.92	f	57.45	a	62.58		80.40		84.97		85.93	a	69.15	d	62.20	a	46.40		41.68	c	62.13	a
1962	41.87		43.14		48.06		62.77		58.45		73.80		82.19		77.65		77.40		62.19		50.77		46.52		60.40
1963	42.77		53.00		50.66	b	51.47		65.55		70.53		77.23		81.65		79.60		63.23		49.17	a	42.29		60.59
1964	42.32		49.96	f	48.48		54.60		63.29		70.30		81.25	c	78.60	a	73.20		65.06		45.36	b	39.10		60.14	a
1965	41.55		50.54		53.00	a	59.20		64.45		73.10		82.29		78.16		69.63		69.81		49.43		41.77		61.08
1966	43.10		44.39		53.23		61.03		69.35		71.31	a	79.29		81.90		76.85	c	65.52		49.80		43.45		61.60
1967	45.16		51.07		47.52		49.57		66.90		74.90		86.00		90.03		81.40		63.87		48.90		40.23		62.13
1968	43.00		47.28		55.29		57.07		64.97	a	74.90		86.42		76.58		75.50		61.74		47.60		41.18	i	62.76	a
1969	35.03		40.54		53.29		58.03		71.19		75.23		81.32		81.23		-----	z	58.52		52.10		41.87		58.94	a
1970	41.87		47.43		51.13		51.90		67.84		78.37		85.26		85.77		70.20		61.13		46.73		39.97		60.63
1971	45.16		46.96	b	46.84		56.43		65.06		69.30		85.55		87.45		69.27		60.42		50.40		39.87		60.23
1972	40.45		46.79		55.71		53.50		69.84		76.23		84.61		84.39		71.83		61.29		48.83		34.90		60.70
1973	37.32		45.56	a	51.34	b	60.27		70.29		76.17		86.87	a	82.90		75.07		63.10		43.62	a	43.81		61.36
1974	35.35		46.78	a	49.97		56.60		63.13		81.97		82.10		83.39		81.45	a	66.16		51.17		43.03		61.76
1975	43.45		43.56	a	46.58		51.70		66.30	d	72.03	a	85.19		79.23		78.57		59.52		45.77		44.39		59.69
1976	45.16		45.90		51.10		55.00		69.94		72.03		86.42		76.32		76.13		66.84		51.13		45.35		61.78
1977	40.58		51.75	d	50.61		65.07		60.00		81.23		84.38	b	91.52		71.63		63.89	d	47.53		41.32		62.46
1978	40.24	b	44.37	a	55.21	b	50.93	a	63.71		76.20		83.79	b	79.29		71.53		69.22	d	40.72	e	40.04	h	61.38	a
1979	-----	z	40.32	f	51.47	a	53.63		-----	z	76.19	d	84.87		78.73	a	78.20		68.00	e	41.42	f	44.57	c	66.96	d
1980	34.50	i	-----	z	-----	z	-----	z	-----	z	71.32	k	85.17	a	82.41	b	78.24	e	67.09	h	53.00	m	49.56	m	81.94	i
1981	41.53	l	47.65	k	55.80	k	61.09	g	66.85	e	75.85	c	81.63	d	90.04	e	76.00	e	59.90	j	51.22	l	41.82	i	78.07	g
1982	39.37	l	43.16	i	50.39	h	55.36	h	65.36	i	74.40		81.10		82.74		71.62	a	57.52	b	44.36	e	39.00	c	64.39	e
1983	45.07	b	44.78	e	51.70	a	56.80	e	71.00	m	70.46	d	78.30	a	85.27	a	71.38	a	66.71	c	48.92	e	34.59	n	61.94	b
1984	37.67	m	39.73	n	47.83	g	49.87	g	60.61	c	66.67	i	88.62	e	86.00	g	73.21	b	57.17	a	45.07		38.45		60.52	f
1985	37.42		44.37	a	51.16		63.86	a	69.46	c	79.71	b	91.87		81.26		67.59	a	62.54	g	40.76	e	34.13		60.15	a
1986	43.34	b	46.00	a	57.75	c	58.20		65.97	b	83.37		80.47	a	89.77		68.37		66.55		49.17	g	35.91	i	65.98	b
1987	38.50	k	45.78	j	54.09	i	70.90	i	-----	z	80.52	e	78.28	f	84.22	h	83.08	f	72.95	j	52.06	m	38.55	k	80.52	k
1988	37.30	k	47.89	k	52.17	h	60.95	j	65.37	l	73.90	i	85.35	k	87.17	h	76.14	i	73.95	k	47.81	d	41.65	e	44.73	j
1989	41.77		35.11		50.07	a	62.93		65.00		77.93		83.00		79.61		76.30		62.68		51.80		46.40	a	61.05
1990	42.57	c	44.26	a	53.68		65.97		64.55		74.57		87.06		83.87		81.40		62.35		51.73		36.38	b	62.37
1991	41.26		52.82		48.10		56.30		61.71		70.00		86.42		86.74		80.60		66.16		47.47		41.07	a	61.55
1992	43.19		48.31		57.90		61.03		74.48		-----	z	82.19		87.29		75.83		66.23		46.43		35.61		61.68	a
1993	30.39		34.50		50.14	b	55.97		70.17	a	70.23		74.70	a	79.57	c	79.28	a	65.52		45.00	a	40.77		58.02
1994	47.50	a	45.07	a	56.32		61.70		69.45		75.27		89.79	b	85.07	a	80.00		62.06		41.20		42.42		62.99
1995	38.94		50.89	a	49.48		56.14	b	66.84		70.67		81.45		80.16		79.40		61.39		52.66	a	38.39	c	60.53
1996	41.13	a	43.38		52.06		58.97		62.61		75.57		88.35		86.52		73.10		61.42		49.37		40.73	a	61.10
1997	41.10	a	41.71		52.13		54.67		71.48		73.03		82.55		83.61		73.40		59.84		47.97	a	41.42		60.24
1998	42.67	a	44.43		53.19		56.80		60.81		73.83		89.19		88.69	b	81.63		62.13		46.83		40.61		61.74
1999	44.94		42.59	a	47.81		54.63		63.23		72.72	a	84.29		83.32		75.73		66.29		53.03		43.03		60.97
2000	37.74		42.21		49.26		61.50		60.06		72.48	a	84.48		87.16		75.27		59.10	a	38.27		36.71		58.69
2001	36.68		38.70	a	53.55		54.40		74.63	a	71.43	b	82.93	a	86.35		79.08	d	61.81		46.60		38.44	f	62.38	a
2002	38.68		47.39		49.58		60.82	b	65.14	b	76.59	a	88.03	a	80.83	a	77.10		61.32	c	54.19	i	41.34	b	62.44	a
2003	44.97		44.37	a	51.55		54.00		64.37	d	79.90	a	91.65		84.68		79.63	c	65.55		42.24	a	38.61	h	63.90	a
2004	36.31	b	42.32	d	56.79	g	62.28	a	65.88	n	75.59	a	86.19		83.13	a	69.80		60.29		48.80		43.23		60.79	b
2005	42.61	c	46.27	b	54.74		54.20		64.27	a	70.67		87.52		85.77		73.03		61.10	a	42.00	a	36.13	a	59.86
2006	43.03		48.50	l	45.73	a	57.93		69.26		77.33		88.74		83.68		76.87		61.63	a	47.59	a	39.97		62.89	a
2007	38.13		46.04		57.35		58.03		71.03		74.83		87.77		82.77		71.67		57.94		47.47		38.67	a	60.98
2008	36.93	a	45.72		47.32		52.50		66.23		75.43	b	86.74		82.65		76.93		61.74		51.28	a	36.16		59.97
2009	43.29		43.46		44.61		58.27		68.03	a	74.83		88.48		84.84		78.79	a	56.00	a	48.20		33.80	a	60.22
2010	42.16		43.22	e	51.36	c	54.20	e	58.71	c	68.96	c	85.06	m	81.61		72.29	b	61.23		45.63		39.38	b	56.25	a
2011	46.29	c	41.32		47.23		50.14	b	59.42		70.13		79.94		85.97		80.70		61.71		47.53		44.61		59.58
2012	44.81		43.93		47.71		58.67		65.13		67.65	j	84.31	b	87.16		77.89	b	61.58		49.00		38.71		59.90	a
2013	40.80	a	46.48	a	51.48		57.20		68.08	e	74.73		90.77		83.43	c	73.17		61.40	p	46.87		40.48		61.23	a
2014	44.48		39.82		53.08	e	58.53		68.30	a	73.83		89.23		83.39		76.17		65.19		45.59	a	42.13		61.64
2015	46.10	a	51.18		59.32		57.00	d	68.45		84.53		86.26		85.74		74.50		65.94		45.73		40.48		63.77
2016	39.23		51.03		50.45		65.73		68.45		77.17		82.23	a	86.87		73.57		58.00		53.10		33.52		61.61
2017	31.77		41.25		51.55		54.10		69.74		76.83		91.19		88.29		75.27		58.30	a	48.23		38.35		60.41
2018	43.68		42.93		47.87		58.07		71.70	a	75.50		89.32		86.35		72.60		62.77		49.90		41.12	e	61.82
2019	-----	z	37.00	f	42.40	f	58.86	h	67.44	o	76.60	e	81.87		85.68		71.23		54.13		52.33		40.33	a	66.03	e
2020	44.48		45.48	b	47.65		45.14	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	45.87	i
2021	-----	z	-----	z	-----	z	-----	z	-----	z	83.86	i	91.67	a	83.46	c	75.17	a	58.77		51.00	b	40.58		66.78	f
2022	45.17	a	50.90	h	49.62	r	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	45.17	k
2023	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2024	46.00	l	48.38	u	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	41.41		45.08		51.24		57.33		66.01		75.00		85.08		83.63		75.13		62.56		47.80		40.60		60.95
S.D.	3.62		3.95		3.29		3.94		4.02		3.61		3.75		3.58		3.80		3.35		3.47		3.23		1.13
SKEW	-0.94		-0.17		0.38		0.23		0.01		0.50		-0.29		-0.05		-0.07		-0.08		-0.46		-0.18		-0.07
MAX	47.50		53.00		59.32		65.97		74.63		84.53		91.87		91.52		81.63		69.81		55.37		48.32		63.77
MIN	30.39		34.50		44.61		49.57		58.45		68.96		74.70		76.32		67.59		54.13		38.27		33.52		58.02
YRS	55		52		53		54		53		56		59		59		60		57		57		54		36