GRAYS RIVER HATCHERY, WA

Average of Average Temperature (Degrees Fahrenheit)

(453333)

File last updated on April 23, 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
1962	-----	z	-----	z	45.50	p	49.85		50.18	a	57.38		61.20	a	62.48		61.17		54.06		47.83		43.47	a	54.18	c
1963	36.06		49.30		45.07	a	48.53		55.47		57.45	b	60.42		63.16		63.12		54.32		45.72		43.13		51.81
1964	41.58		42.02		43.82		46.60		50.87		56.60		62.42		59.53		57.23		52.71		42.73		38.27		49.53
1965	39.47		42.28	a	45.69		49.32		50.77		56.58		63.10	a	62.76		57.07		54.84		47.91	a	39.79		50.80
1966	40.15		40.95		43.32	a	49.23		52.81		56.50		60.68		61.06		59.97		50.79	b	45.94	c	43.45		50.40
1967	42.75	a	41.80		41.32	a	44.28		52.94		59.57	a	61.71		64.92		61.60	a	51.71		45.95		38.40	a	50.58
1968	39.10	a	46.45		46.05		45.59	a	52.71		56.00		62.81		59.55	a	58.02		49.30	a	45.22		37.61		49.87
1969	31.81		37.80		43.39		45.58		54.13		59.65		58.48		58.13		58.16	a	48.97	a	45.72		43.10		48.74
1970	41.23	a	45.43	a	44.71		45.35		53.39		60.23		62.19		60.74	b	55.03		48.90	b	44.90		38.81		50.08
1971	39.00	a	40.48		40.77		46.18		53.08		53.83	a	61.00		62.71		55.70		49.30	a	44.00	a	36.60	a	48.55
1972	35.92		40.79		44.69		43.33	a	54.75	a	56.50		61.00		62.74		55.27		49.37		45.17		36.53		48.84
1973	38.05		42.11		43.00		47.52		52.98		56.25		60.45		57.63		58.10		50.35		41.78		43.71		49.33
1974	36.47		41.14		42.81		46.68		48.74		56.23		59.22	a	61.90		61.80		51.58		46.15		42.68	a	49.62
1975	39.50		39.79		40.53	b	43.08		51.94		55.09	a	60.40		58.26		58.52	a	48.79		42.33		39.77		48.17
1976	40.18		39.21		40.50		45.57		51.90		53.77		58.90		58.34		58.62		51.79		45.90		41.27		48.83
1977	38.00		44.05		41.42		48.37		49.02		57.53		58.79		64.11		55.76	a	50.32		42.42		42.18		49.33
1978	42.29		45.16		46.79		48.05		51.10		60.08		62.31		61.11		56.70		53.13		40.42		36.08		50.27
1979	33.29	b	39.46	a	47.16		48.98		54.06		57.27		61.97		61.50		60.88		53.97	b	44.73		45.07	a	50.70
1980	36.94		43.57		44.39		49.68		52.66		55.37		61.63	a	58.94		58.25		52.89		46.93		43.48		50.39
1981	45.15		43.89	a	47.08		48.55		53.13	a	56.65		60.68		64.52		58.89	b	50.37		46.50		42.00		51.45
1982	37.38	c	40.98		43.61		45.08		52.03		58.45		60.31		61.32		59.40	a	52.26		43.07		41.00		49.57
1983	44.35	a	45.66	c	47.77	a	48.90		56.09	b	57.14	a	60.91	b	62.19	b	56.00	c	49.24	b	45.62		36.31	d	50.85
1984	41.78	a	43.35	b	47.37		45.19	a	50.23	a	54.81	a	59.43	b	59.15		56.78		47.71		43.48	a	36.42	a	48.81
1985	39.23		38.57		42.18		49.23		52.44		57.60		64.00		60.30	a	55.72	a	49.39		35.72	a	37.31		48.47
1986	44.34		42.75		48.18		46.22	a	52.27		59.03		58.37	a	64.23		55.47	a	53.74	b	45.37		42.18		51.01
1987	40.92	a	44.75		46.65	a	50.12		55.05		58.00		59.95		62.71	c	59.52		53.71		47.40		38.45	a	51.44
1988	39.60	a	44.26		44.56		48.09	a	52.62	c	56.14	a	61.47	a	61.14	b	57.63	d	54.52		45.10		40.29		50.45
1989	40.52	b	34.20		43.34		50.64	a	52.98	c	59.58		58.53	b	60.02	a	59.48		50.97	b	46.17		42.45		49.91
1990	41.74		37.14		46.05		49.73		51.50		56.46	b	63.30	a	63.00		61.50	b	49.63	a	45.38	b	33.93	b	49.95
1991	39.10		47.41		43.02		47.20		51.37	a	54.77		60.55		61.45		61.36	a	51.77		45.47		42.78	a	50.52
1992	43.10	a	46.84	a	49.43	b	50.58		56.23		60.47		62.53	a	62.69		56.29	a	52.20	a	43.88		38.39		51.89
1993	35.66		39.82		45.86	c	47.95		51.91	t	55.58	x	58.96	h	61.67	b	59.17	a	53.65	a	40.55		40.52		47.21	c
1994	44.31		39.52		47.25	c	49.73	b	54.23	a	56.36	a	61.48		60.98		60.63		49.65	a	39.91	a	41.08	a	50.43
1995	44.15		45.09		45.39		47.84	a	55.38	a	58.22	a	62.74		59.48	b	62.40		51.34		48.19	a	42.81		51.92
1996	40.77		41.37	c	45.90		49.78	a	50.23		56.57		64.19		62.64	b	55.73	b	50.35	a	43.41	b	40.98		50.16
1997	41.45	a	42.72	a	43.88	a	47.98		56.31		56.74	a	61.23	a	64.13		60.28	a	51.21	c	48.05	a	41.35		51.28
1998	41.97		45.21		46.16		47.78	a	52.53	b	57.38		64.09	b	62.63	a	59.84	a	51.98	c	45.96	b	38.43	a	51.17
1999	41.03	b	41.81	a	42.27	a	46.36	a	50.40		55.03	a	59.73	a	62.03		57.17	d	50.09	b	47.48	d	42.91	b	49.69
2000	38.90	a	42.71		43.85	a	50.30	b	52.08		57.91	b	61.34		59.66	b	57.67	d	50.59	b	42.28	c	41.56	d	49.90
2001	41.65		40.10	c	44.59	d	45.78		52.81	d	54.05		58.45	b	62.06	e	-----	z	-----	z	46.02	a	40.59	c	48.61	b
2002	40.25	a	42.07		41.74	b	47.39	b	50.82	a	57.98	a	61.71	b	60.98	a	58.09	a	50.32		47.25	b	43.09	d	50.14
2003	46.23	c	42.85	a	45.78	a	47.27		52.37	a	59.71	a	63.28	b	61.98	a	60.37		53.80	a	42.07	c	41.43	b	51.43
2004	40.60	a	44.26		47.57	c	51.18	b	54.52	b	59.67		65.02		64.87	a	58.13		53.10	a	44.22		42.55	a	52.14
2005	43.02	b	43.45		47.55	a	48.70		56.91	b	57.14	b	62.53		63.82	a	55.55		51.15		42.52		40.52	a	51.07
2006	43.34	b	40.34	c	43.79		49.00	b	55.21		59.27		62.28	b	61.47		60.57		51.43	a	43.21	a	40.77	a	50.89
2007	38.25	a	43.71		46.68	c	48.04	b	53.19	b	56.91	c	64.02	a	62.36	b	58.29	d	50.23		43.55	b	39.55	a	50.40
2008	37.35	a	43.26		42.66		45.18		55.00	a	56.15		62.69		63.02		59.81	d	50.70	a	47.60		36.26	j	51.22	a
2009	40.35	r	41.59	a	40.15		47.67		-----	z	60.52		66.18		63.91	h	61.98	g	44.44	m	42.17		36.31	r	49.71	f
2010	38.41	i	-----	z	-----	z	48.62	i	51.18	f	53.41	s	-----	z	-----	z	-----	z	-----	z	37.15	m	41.67	m	-----	z
2011	40.40		38.27		43.63		43.77	h	50.47	o	57.00	y	60.00	q	64.03	l	61.48		51.62	e	38.20		35.73		44.19	e
2012	34.58		38.88		42.02		47.06	f	49.14	f	47.69	f	-----	z	-----	z	-----	z	52.23	g	43.07	p	-----	z	38.49	i
2013	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2014	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2015	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2016	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2017	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2018	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2019	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2020	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	40.06		42.22		44.52		47.69		52.86		57.25		61.48		61.62		58.60		51.36		44.44		40.40		50.25
S.D.	3.09		2.88		2.30		1.97		1.96		1.79		1.83		1.85		2.17		1.80		2.64		2.62		1.01
SKEW	-0.43		-0.11		-0.04		-0.40		0.09		0.08		0.22		-0.29		0.11		0.20		-0.99		-0.51		-0.14
MAX	46.23		49.30		49.43		51.18		56.91		60.52		66.18		64.92		63.12		54.84		48.19		45.07		52.14
MIN	31.81		34.20		40.15		43.08		48.74		53.77		58.37		57.63		55.03		47.71		35.72		33.93		48.17
YRS	48		49		49		48		46		47		47		47		47		47		49		47		43