SKAMANIA FISH HATCHERY, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(457696)

File last updated on April 18, 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
1965	-----	z	33.48	c	31.97		36.52	a	38.55		42.20		46.65		48.29		38.50		39.90		38.20		29.26		38.50	a
1966	32.00		31.96		31.68		36.07		36.32		41.60		45.48		43.45		42.70		34.87		35.30		33.87		37.11
1967	34.94		30.39		31.23		31.67		37.17	a	45.27		43.61		45.07	a	41.20		37.77		33.43		29.48		36.77
1968	28.65		37.17		35.94		33.37		40.97		44.77		47.23		47.23		44.67		37.45		36.17		29.26		38.57
1969	18.74	l	31.25		31.26		36.33		40.29		50.73		45.63	a	43.19		44.50		38.42		36.43		35.29		39.39	a
1970	31.52		36.04		32.16		34.17		37.87		46.37		46.77		44.03		41.63		38.06		36.70		30.57	a	37.99
1971	30.97		33.68		30.45		33.50		39.71		43.23		47.23		47.77		41.03		35.00		34.17		31.29		37.34
1972	28.65		32.55		36.68		34.10		40.35		44.57		48.00		46.29		40.87		35.48		37.20		27.23		37.66
1973	28.23		32.39		33.94		35.17		40.71		45.20		46.32		43.06		43.67		37.65		34.20		35.26		37.98
1974	27.61		33.04		33.29		36.80		39.45		42.90		46.13		47.13		42.72	a	34.74		35.70		35.19		37.89
1975	30.97		30.11		31.74		30.67		38.32		43.50		48.87		44.35		42.87		41.45		33.17		33.30	a	37.44
1976	31.90		30.28		29.65		34.17		37.77		40.57		44.16		46.52		43.23		35.00		35.70		28.61		36.46
1977	23.74		31.67	a	31.10		32.60		37.35		43.37		44.32		48.61		42.80		36.77		31.77		33.42		36.46
1978	31.23		33.07		32.87		34.87		37.55		44.93		46.55		46.58		44.33		37.39		29.33		28.55		37.27
1979	21.39		30.79		35.35		38.70		40.42		45.18	h	47.10		46.48		44.37		40.45		31.10		32.68		37.17	a
1980	23.23	a	30.14		32.16		34.93	a	38.71		42.97		45.77		45.03		43.47		37.61		36.20		32.74		36.91
1981	35.74		31.11		34.00		36.73		41.00	a	42.67		45.61		45.26		43.03		38.23		37.00		34.71		38.76
1982	30.48		31.18		32.48		32.47		39.30	a	47.97		47.48		46.90		44.07		39.39		33.40		32.90		38.17
1983	35.23		37.36		38.42		34.03	a	41.23	a	45.57		48.00		47.61		41.40		36.68		39.60		27.23		39.36
1984	32.03		34.41		37.32		36.93		40.16		43.37		45.10		45.42		44.90		39.19		36.73		30.06		38.80
1985	26.71		26.75		29.77	a	37.50		39.19		42.63		46.90		43.48		41.87		37.48		27.87		23.00		35.26
1986	33.10		33.04		36.61		34.23		40.48		46.13		46.03		47.52		43.77		38.48		36.77		30.07	a	38.85
1987	29.48		34.61		35.65		35.50		41.23		42.93		46.16		43.32		40.63		38.19		39.40		29.39		38.04
1988	30.03		31.31		32.97		38.30		40.06		42.30		43.26		41.23		37.27		40.10		38.63		33.00		37.37
1989	33.97		24.14		34.80	a	38.83		39.97		43.23		43.83	a	45.65		37.43		33.42		32.50		26.35		36.18
1990	29.94		27.39		31.20	a	34.73		36.97		43.07		42.97	a	43.10		36.70		27.42		31.97	a	26.35		34.32
1991	28.45		37.57		32.03		37.17		40.58		42.50		46.45		46.00		39.83		33.42		33.03		30.90		37.33
1992	31.19		33.97		35.58		40.40		40.58		47.73		50.87		47.03		41.47		40.03	a	35.20		29.00		39.42
1993	25.39		26.86		33.71		38.53		43.52		45.90		49.62	g	49.16		41.81	c	41.21	g	26.25	b	32.19	e	36.33	b
1994	33.46	g	26.95	h	34.31	b	37.00	n	40.83	g	43.59	c	48.11	c	46.79	c	42.96	c	35.53	a	29.65	d	31.04	c	39.00	d
1995	32.83	a	31.96	a	31.97	a	34.96	b	40.54	c	45.11	b	50.10	a	-----	z	47.57	b	39.32		41.79	a	34.15	d	39.12	a
1996	33.93	c	31.92	d	34.81		39.03	a	41.70	a	42.93		48.69	b	45.54	c	39.64	b	36.97	b	30.93	b	27.26		37.78
1997	25.71	c	27.56	a	29.42	e	30.04	c	39.07	b	40.38	a	43.21	b	43.21	c	41.24	a	32.62	e	37.45	a	32.03	a	35.16
1998	33.35		36.33	a	36.48	b	35.86	a	43.45	b	48.26	c	52.90		48.28	b	43.50	b	39.37	a	38.15	c	30.52		40.54
1999	32.31	b	34.89		35.10		34.64	e	40.37	a	46.87		46.63	a	50.57	a	41.86	a	39.13		38.41	a	34.32		39.59
2000	31.57	a	32.92	c	32.20	a	36.63		42.94		45.79	b	48.27	a	46.11	c	46.23		39.83	b	30.07	a	31.23		38.65
2001	28.79	b	30.78	a	36.60	a	37.37		41.61		46.00		51.16		51.27	a	45.57	b	39.74		39.03	a	33.14	b	40.09
2002	33.48		32.29		32.71		37.76	a	40.93	b	48.53		51.93	c	48.75	c	44.00	c	41.26		38.14	a	37.03	a	40.57
2003	38.23	a	34.50		38.61		39.47		43.48		48.90	a	50.06		49.68		46.97	a	45.13		34.41	a	34.67	a	42.01
2004	30.67	a	35.28		36.70	a	38.55	a	44.71		48.73		52.52		54.58		46.61	b	43.06		34.50		34.66	b	41.71
2005	33.33	a	31.07		36.42		39.67		47.68		48.21	a	52.19		49.84		41.07	b	44.17	a	35.62	a	31.03		40.86
2006	37.55		30.93		35.76	b	37.50		-----	z	49.43		50.61		47.13		44.41	a	36.57	a	36.37		30.37	a	39.69	a
2007	27.55		33.25		35.30	a	36.97		40.00		46.30		51.52		47.47	a	42.23		37.60	a	31.00	a	30.03		38.27
2008	27.74		29.97		30.10		32.37		41.13		43.54	d	46.35		47.48		41.21	b	34.65		35.43		24.29		36.19
2009	26.94		26.14		29.94		31.50		37.23		45.70		47.16		46.67	m	43.30		-----	z	30.80		-----	z	35.41	c
2010	36.93	a	34.07		34.93	b	37.33		40.06		47.33		51.10		50.84		50.10		43.58		37.30		36.13		41.64
2011	34.35		31.64		36.52		37.10		42.13		47.00	b	48.55		50.42		48.80		44.97	a	35.21	a	31.13		40.65
2012	32.40	a	36.34		33.61		38.63		41.39		46.17		51.80	a	51.97		46.38	a	43.81		42.00		36.10	a	41.72
2013	31.16		35.61		36.68		40.33		44.93	a	48.70		49.65		53.39		51.03		36.97		37.70		26.68	c	41.07
2014	32.55		34.29	n	35.67	a	39.63		44.97		46.07	a	52.48		52.29		48.10		46.52		38.62	a	36.42		43.03	a
2015	35.26		37.89		35.68		36.03		44.27	a	47.70		51.58		50.52		43.83		45.52		36.03	a	36.03		41.70
2016	35.16		38.07		37.81		39.90		44.29		46.70		51.32		50.13		45.47		46.16		43.03		30.10		42.34
2017	25.68		33.71		37.97		38.10		43.65		48.07		47.71		51.23		49.63		40.81		39.83		35.19		40.96
2018	38.23		32.77	b	32.29		38.87		46.74		46.80		51.13		51.93	a	43.40		40.97		38.66	a	35.17	a	41.41
2019	35.68		28.57		31.48		39.47		43.83	a	47.13		50.84		52.29		50.73		37.58		35.23		34.26		40.59
2020	37.29		32.64	a	32.81		36.50		44.48		48.33		50.03		48.35		49.97		40.48		36.33		34.55		40.98
2021	35.48		32.18		32.90		34.20		42.00		50.70		51.48		52.00		45.40		41.23		40.00		33.37	a	40.91
2022	31.90		31.71		36.90		35.03		41.29		47.79	a	51.97		52.71		48.34	a	45.32		34.10		30.42		40.63
2023	34.58		30.75		32.55		37.03		46.53	a	46.00		50.65		53.87		47.47		45.00		37.17		37.97		41.63
2024	30.87		34.52		35.52		37.69	q	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	33.63	i
Period of Record Statistics
MEAN	31.37		32.38		33.93		36.20		41.07		45.53		48.18		47.78		43.79		39.02		35.53		31.73		38.91
S.D.	3.83		3.00		2.46		2.53		2.60		2.50		2.80		3.19		3.30		3.80		3.48		3.31		2.07
SKEW	-0.38		-0.32		0.00		-0.40		0.46		-0.01		-0.03		0.17		0.25		-0.09		-0.38		-0.40		-0.13
MAX	38.23		38.07		38.61		40.40		47.68		50.73		52.90		54.58		51.03		46.52		43.03		37.97		42.34
MIN	21.39		24.14		29.42		30.04		36.32		40.38		42.97		41.23		36.70		27.42		26.25		23.00		34.32
YRS	57		58		60		58		57		58		58		57		59		57		59		58		50