PRIEST RAPIDS DAM, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(456747)

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
1956	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	47.13	p	-----	z
1957	26.36	i	45.25	h	54.19	j	67.68	h	80.74	h	86.36	h	90.35	h	88.71	g	87.74	k	62.81	e	52.74	k	47.30	k	62.81	k
1958	46.09	i	54.50	h	57.19	o	64.27	h	86.14	j	89.05	j	96.62	j	95.52	j	78.30	j	67.17	h	49.94	l	38.80	k	-----	z
1959	39.10	j	41.00	h	58.50	e	69.50	h	72.61	m	84.57	i	93.57	h	85.86	j	75.50	j	66.41	i	51.89	l	43.27	i	58.50	k
1960	33.58	l	49.29	a	57.74		66.37		72.61		85.70		98.48		87.68		83.33		68.45		52.03		37.42		69.01	a
1961	44.19		53.68		56.65		66.40		72.87	a	90.57		96.00		97.10		78.80		65.32		47.50		42.87		67.66
1962	40.77		46.14		55.03		70.83		70.32		84.07		92.16		87.45		83.53		64.84		53.87		44.61		66.14
1963	36.32		47.04		58.19		61.47		75.90		81.70		86.58		90.48		86.10		68.97		54.37		37.65		65.40
1964	44.61		50.28		55.81		63.60		73.71		81.30		90.16		84.81		78.23		66.58		46.53		36.03		64.30
1965	41.32		50.25		56.32		68.50		75.55		83.83		92.19		88.71		78.43		70.39		51.93		41.29		66.56
1966	41.33	a	48.68		56.35		68.33		77.29		80.20		88.50	a	90.03		83.63		65.52		52.70		46.26		66.57
1967	48.61		55.36		56.58		60.50		73.87		85.23		92.13		97.03		86.33		64.94		51.47		41.74		67.82
1968	45.48		50.83		58.81		64.70		75.61		82.80		94.06		83.45		80.70		62.13		50.87		39.42		65.74
1969	28.16		39.11		57.71		64.77		78.90		87.87		90.65		88.10		79.47		62.74		50.33		40.68		64.04
1970	38.97		48.50		56.48		61.27		77.06		87.07		93.94		92.42		75.80		64.48		49.77		40.00		65.48
1971	46.00		51.04		51.61		63.80		77.37	a	79.33	c	92.39		96.65		75.10		64.39		52.11	c	39.36	i	68.16	a
1972	40.35		45.17		58.97		61.43		77.32		82.23		90.42		91.87		75.63		65.81		47.43		37.81		64.54
1973	37.23		46.07		59.23		68.43	b	76.90		82.00		94.10		89.65		79.20		64.39		46.37		46.74		65.86
1974	39.77		50.82		56.19		63.60		70.81		87.67		88.81		91.68		83.87		66.58		51.60		45.84		66.44
1975	41.19		42.96		52.81		60.73		75.18	c	80.27		94.45		85.13	a	83.73		64.29		50.57		43.55		64.57
1976	40.55		48.31		53.42		63.07		75.68		78.57		89.42		84.94		83.70		66.00		51.34	a	41.74		64.73
1977	32.52		50.93		56.74		72.53		70.29		87.73		88.71		94.10		74.60		65.84		48.87		42.84		65.47
1978	39.52		45.25		58.81		63.60		71.61		85.40		91.32		86.81		76.10		67.35		-----	z	37.65		65.76	a
1979	25.58		43.39		57.94		65.67		78.10		84.70		92.42		89.65		83.27		68.74		42.33		45.74		64.79
1980	32.81		40.10		54.35		68.10		73.32		77.10		90.71		85.06		78.80		65.06		49.30		43.00		63.14
1981	43.68		47.86		60.45		65.47		73.32		77.10		88.19		94.58		80.23		63.94		52.67		42.42		65.83
1982	39.93	a	48.21		57.45		62.10		73.84		85.50		88.39		89.35		77.27		63.48		46.03		-----	z	66.51	a
1983	49.16	f	49.18		59.65		66.28	a	79.32		80.53		85.87	a	90.26		76.23		66.32		54.17		30.58		67.13	a
1984	41.19		46.48		59.13		63.53		70.10		79.37		92.77		91.30	a	77.30		62.90		48.93		35.48		64.04
1985	31.53	a	41.04		56.90		69.30		77.77		83.90		97.35		88.29		73.63		65.23	a	37.04	b	27.94		62.49
1986	40.94		47.14		60.16		65.03		76.00		88.17		85.97		94.77		74.90		69.58		51.80		39.19		66.14
1987	37.84		49.93		58.55		71.63		80.03	a	87.86	b	87.84		90.52		-----	z	70.16		-----	z	39.94		67.43	b
1988	40.48		52.41		59.84		68.73		75.68		81.33		91.71		89.65		79.90		72.10		53.20		39.13		67.01
1989	44.90		37.61		54.00	a	70.13		75.19		85.77		90.23		87.20	a	82.63		65.68		53.13		39.55		65.50
1990	48.50	a	46.96		61.16		70.67		72.45		82.27		93.90		89.23		86.97		-----	z	56.37		35.80	a	67.66	a
1991	38.16		54.79		55.47	a	66.80		72.13		76.47		91.23		92.58		84.33		65.74		48.13		45.52		65.95
1992	44.90		49.41		63.03		67.70		81.87	a	90.07		90.90	a	91.74		77.31	a	65.80	a	48.38	a	37.97		67.42
1993	32.87		38.61		51.74		64.23		80.90		80.40		82.10		87.19		82.86	a	69.57	a	46.63		43.87		63.41
1994	46.45		44.37	a	62.74		69.80		77.60	a	83.00		95.77		90.13		84.34	a	67.53	a	49.17	a	44.17	b	67.92
1995	41.58		52.07		58.29		64.37		76.24	b	81.07		89.47	a	85.81		83.62	a	64.87		53.40		40.26		65.92
1996	36.29		44.43	a	54.71		66.77		70.52	b	82.66	a	94.48		89.90		78.83		65.03		47.57		38.15	d	64.11
1997	40.63	a	47.79		-----	z	64.21	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.48	d	49.03	h
1998	42.78	d	50.28	c	59.90		68.90	a	75.73	a	85.00	a	97.52		95.27	a	86.66	a	-----	z	56.30		43.42		69.25	a
1999	48.87		51.96		58.06		67.10	a	73.90	a	81.30		90.03		91.30	a	82.86	a	66.55		56.93	b	47.67	a	68.05
2000	42.94		48.96	b	57.70	a	70.08	d	75.24	f	84.79	a	91.65		91.90		78.22	c	64.71	j	44.45	a	37.43	a	64.81	b
2001	41.69	b	45.08	b	59.45	b	64.50	b	80.00	a	80.11	b	91.20	a	93.97		84.73		65.07	c	54.28	a	44.61		67.06
2002	45.97	a	49.37	a	53.29		65.93	a	71.32		82.53		91.19		87.72	b	80.30	c	65.04	c	50.60		43.83	a	65.59
2003	43.65		50.08	b	59.74		66.74	k	72.16		87.86	i	94.73	e	90.13		82.63		71.00		48.57		40.45		65.31	b
2004	38.33	d	44.31		61.83	a	70.71	b	73.13		84.57		92.84		90.87		78.07		66.17	a	51.03	a	44.84		66.39
2005	37.00	a	49.43		61.06		66.50	b	75.65		80.45	a	90.90		93.91	t	79.10	a	65.19		46.83		35.43	a	62.50	a
2006	46.28	b	46.67	a	55.61		64.93		75.32		83.93	a	94.81		90.23		81.60		66.53	a	50.50		38.16		66.21
2007	39.30	a	45.56	a	57.90		64.53		77.87		81.50		94.87		88.06		80.50	d	64.23	a	50.57		42.27	a	65.60
2008	35.68		48.74	b	54.71		61.79	a	76.33	a	81.30		91.79	b	88.35		81.07	a	64.92	e	51.00		34.97		64.22
2009	39.52		41.72	c	52.32		64.70		77.33	a	83.74	c	94.48		90.58		84.30		61.26		53.23		34.20	a	64.78
2010	44.32		50.57		58.71		63.47		69.81		78.60		91.52		87.32		78.03		66.42		47.80		41.81		64.86
2011	41.77		46.18		55.03		60.20		70.17	a	78.63		86.81		92.03		84.20		64.39		50.37		40.16		64.16
2012	42.77	a	46.48	b	56.13		68.40		73.68		78.17		92.68		93.23		82.64	b	65.35		50.20		44.74		66.21
2013	36.77	a	50.18		57.29		64.80		75.70	h	81.54	b	94.94		90.54	c	80.58	d	64.39		49.10		37.33	g	67.01	b
2014	42.23		41.79		57.37	a	65.50	b	77.04	c	82.27		96.19		91.10	b	80.47		68.97	a	49.20		45.27	a	66.45
2015	40.93	a	54.00		63.35		66.53		79.50	a	90.58	f	95.42	g	90.48	b	77.63		70.26		49.82	b	42.83	b	63.53	b
2016	41.26		52.04	a	58.67	a	72.93		77.38	g	83.84	e	86.63	d	91.31	b	77.56	e	63.57	a	55.14	h	38.04	d	66.58	b
2017	30.45		38.90	g	54.80	f	61.21	b	77.19	d	81.92	f	94.52	b	92.79	b	79.11	b	65.29		52.04	b	37.65		65.58	c
2018	45.41	d	49.17	e	56.28	f	63.14	b	79.33	a	84.45	h	94.03	a	90.50	e	78.10		64.36	c	48.59	c	45.56	d	65.82	b
2019	41.17	h	32.63	a	49.21	c	64.66	a	76.59	b	83.27		88.39	c	90.68		76.31	a	60.53	a	48.87		41.41	b	64.78	a
2020	47.23	a	52.33	b	56.35		67.41	a	74.67	a	81.66	a	90.48	d	91.79	b	79.68	b	66.00		51.80		42.93	b	66.86
2021	45.04	g	42.65	e	57.30	h	70.20	e	75.00	i	92.08	f	98.89	d	90.45	b	80.12	e	64.06	m	60.71	w	-----	z	76.46	g
2022	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	94.52	d	83.26	k	78.62	r	44.17		32.74		57.14	i
2023	41.72	b	47.14		52.04	e	63.00	f	79.00	c	84.82	b	94.21	b	90.35		79.83		65.94		49.55	a	45.13	a	66.34	a
2024	37.89	c	49.03		59.42		66.06	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	48.78	i
Period of Record Statistics
MEAN	40.50		47.43		57.26		65.94		75.33		82.86		91.79		90.33		80.38		65.85		50.06		40.70		65.61
S.D.	4.90		4.37		2.94		3.18		3.04		3.23		3.32		3.00		3.32		2.37		3.43		4.13		1.32
SKEW	-0.79		-0.88		-0.33		0.22		-0.07		0.26		-0.25		0.08		0.07		0.54		-0.89		-0.72		-0.17
MAX	48.87		55.36		63.35		72.93		81.87		90.57		98.89		97.10		86.97		72.10		56.93		47.67		68.05
MIN	25.58		32.63		49.21		60.20		69.81		76.47		82.10		83.45		73.63		60.53		37.04		27.94		62.49
YRS	60		63		61		61		58		57		61		62		61		59		59		60		43