STEHEKIN 4 NW, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(458059)

File last updated on April 20, 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
1906	31.00	w	29.86		29.86	i	38.03	a	44.42		48.34	a	58.63	a	54.87	a	46.93		40.45		31.13		28.32		42.10	b
1907	12.71		28.00	v	29.61		34.24	a	44.35		50.10		56.97		54.63	d	46.21	a	39.29		32.64	b	27.31	e	38.91	a
1908	-----	z	-----	z	-----	z	35.90		43.58	e	50.70	c	57.45	k	55.07	a	46.00		-----	z	30.43		-----	z	43.61	f
1909	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1910	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1911	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1912	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1913	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1914	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	-----	z	40.45		47.17		50.23		53.13		45.77		36.65		26.10	a	19.81		39.91	d
1917	22.87		23.07	a	23.74		30.63		40.61		43.80		50.32		50.48		43.53		36.52		32.07		28.10		35.48
1918	27.42		21.46		27.42		34.60		40.84		47.33		50.97		49.90		43.07		37.65		-----	z	-----	z	38.07	b
1919	23.42		19.26	a	26.48		33.60		38.37	a	41.13		48.83	a	48.86	c	42.07		33.43	a	28.27		17.52		33.44
1920	21.80	a	20.62		30.39		34.40		37.77		43.50		51.90		50.30	a	42.60		33.70	a	29.50		27.58		35.34
1921	20.87		23.57		27.97		32.80		39.52		44.90		49.42		50.10		40.67		35.10		29.80		22.06		34.73
1922	12.45		13.86		24.26		32.83		38.16		49.17		53.52		50.32		43.77		36.65		28.48	a	19.65		33.59
1923	21.06		17.75		26.29		34.03		42.00		46.23		50.87		49.87		42.87		34.77		30.90		23.71		35.03
1924	16.74		26.62		28.29		35.30		43.45		46.27		52.81		51.77		42.57		36.84		27.23		20.30	a	35.68
1925	23.39		28.04		31.13		35.63		41.06		47.87		52.65		49.26		43.80		30.84		27.25	b	29.97		36.74
1926	23.48		28.85	a	30.55		36.63		39.45		49.27		54.48		52.03		40.33		37.55		32.43		21.87		37.24
1927	22.35		24.39		27.71		33.93		40.81		49.93		54.81		51.21	g	46.80		38.42		32.03		17.19		35.31	a
1928	25.19		24.69		30.71		33.80		42.58		50.07		55.65		51.94		43.33		36.29		30.57		22.32		37.26
1929	14.00		17.54		32.10		34.23		41.55		48.03		49.23		50.84		41.60		34.63	a	23.67		25.90		34.44
1930	6.74		24.46		28.81		36.87		42.03		45.93		52.81		51.65		45.77		34.29		26.93		26.52		35.23
1931	27.16		23.50		29.87		35.47		43.14	b	49.03		52.68		50.00		45.90	a	36.26		27.07		23.77		36.99
1932	17.39		22.32	a	28.74		36.43		40.29		49.73		50.48		51.71		42.59	a	37.03	b	31.70		22.90	a	35.94
1933	24.52		19.18		27.84		33.57		38.94		44.27		48.87		49.26		42.27		35.77		31.70		28.84		35.42
1934	25.23		23.57		29.39		39.13		41.16		47.72	a	51.65		50.58		44.10		36.55		33.97		27.16		37.52
1935	19.90	a	23.46		26.55		29.87		39.32		45.97		50.77		47.39		43.03		33.26		24.80		27.03		34.28
1936	22.74		9.24		26.58		36.00		42.90		47.10		51.29		51.13		40.30		35.03		25.63		25.97		34.49
1937	7.16		16.54		27.70	a	34.43		39.94		44.50		51.87		47.52		43.20		36.45		31.20		25.32		33.82
1938	21.48		24.00		26.68		32.27		40.81		46.27		52.84		47.29		44.03		36.03		28.40		26.10		35.52
1939	28.13		24.04		30.61		37.27		41.94		46.90		53.13		49.97		44.10		38.16		31.32	b	29.71		37.94
1940	26.19		27.69		31.61		38.03		42.10		48.30		53.26		49.87		46.33		40.58		28.24	a	24.48		38.06
1941	26.23	a	24.93		29.94		37.63		42.48		47.23		55.65		50.03	a	43.47		36.87		29.13		25.97		37.46
1942	19.74		25.64		27.58		35.66	a	41.10	b	47.07		51.29		51.55		43.10		35.42		28.57		26.35		36.09
1943	13.94		23.43		23.68		34.03		39.71		44.24	a	50.77		50.53	a	41.67		37.33	a	30.69	a	24.84		34.57
1944	20.29		22.07		25.35		35.67		41.94		50.00		54.06		49.61		45.55	a	38.26		33.63		23.65		36.67
1945	30.35		28.50		30.39		35.33		41.45		47.30		52.55		51.55		44.70		36.45		29.69	a	24.70	a	37.75
1946	25.52		25.39		29.81		35.10		42.71		45.30		51.10		49.90		43.37		34.87	a	26.50		24.73	a	36.19
1947	19.26		21.23	b	28.45		36.73		43.71		49.23		51.52		51.00	a	45.23		39.61		32.97	a	28.77		37.31
1948	21.55		23.81	b	27.39		33.97		42.68		50.64	b	50.81		49.65		42.30		31.71		29.83		19.47	a	35.32
1949	8.06		19.39		27.84		34.83		45.19		46.13		51.55		49.65		44.97		34.23		32.50		25.35		34.97
1950	5.52		24.04		28.94		32.07		41.23		47.87		51.74		50.55		42.57		36.19		28.17	a	29.58		34.87
1951	24.06		21.57		25.52		31.20		42.10		46.50		49.00		52.23		43.63		38.55		28.40		22.15	d	35.41
1952	-----	z	-----	z	-----	z	35.13		41.68		46.63		51.45		51.61		44.67		36.26	d	28.23		-----	z	41.96	d
1953	-----	z	-----	z	30.71		35.37		40.58		45.80		50.48		50.48		44.47		37.65		33.30		-----	z	40.98	c
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	49.55		49.29		44.30		33.39		-----	z	-----	z	44.13	h
1955	25.81		23.82		25.00		30.77		40.42		48.37		49.77		47.77		43.20		35.35		23.03		24.29		34.80
1956	27.29		23.52		29.19		37.20		42.68		48.33		51.97		50.00		44.10	a	36.29		30.77		29.90		37.60
1957	18.90		26.43		32.26		35.97		44.94		50.07		50.61		46.74		44.57		35.52		30.77		32.23		37.42
1958	30.29		34.54		30.55		35.50		44.61		52.37		54.81		56.03		45.20		36.84		29.33		30.81		40.07
1959	26.00		28.86		32.68		36.14	p	44.13	p	47.90		51.00		51.00		43.80		36.13		27.97		29.61		37.49	b
1960	26.16		29.00		31.10		35.83		41.16		47.97		54.00		51.87		41.70		37.52		30.37		26.71		37.78
1961	28.26		32.82		33.65		37.57		42.77		48.13		51.77		53.13		42.50		33.87		24.63		27.23		38.03
1962	25.35		30.82		31.23		37.53		41.26		46.60		49.42		50.23		42.30		35.42		32.13		26.52		37.40
1963	18.13		26.68		30.06		35.17		39.65		49.90		50.32		49.68		44.90		37.90		31.70		27.74		36.82
1964	28.84		28.45		31.35		34.70		40.26		45.60		49.32		47.03		40.10		33.00		28.45	a	19.35		35.54
1965	23.65		26.64		23.00		33.63		39.00		45.67		49.71		51.48		41.17		36.35		35.33		24.61		35.85
1966	23.81		29.04		27.94		34.90		42.58		45.57		50.77		50.10		47.20		35.71		31.33		29.10		37.34
1967	28.61		27.96		28.87		31.67		41.29		46.80		53.00		52.00		46.67		37.42		29.03		24.52		37.32
1968	25.00		23.48		31.26		34.67		41.16		47.33		52.03		49.68		45.67		34.13		30.40		21.83	a	36.39
1969	14.06		18.75	h	25.13		32.90		40.13		49.60		49.23		48.23		45.47		33.71		30.87		27.26		36.05	a
1970	22.45		26.11		27.03		32.83		40.26		50.53		53.71		51.00		41.40		33.40	a	28.57		24.16		35.95
1971	25.58		27.07		27.00		32.97		44.00		47.23		53.10		55.90		43.50		37.71		32.60		23.23		37.49
1972	21.90		25.24		30.23		32.10		43.32		49.90		49.68		53.35		43.10		35.23		34.13		23.29		36.79
1973	20.90		26.29		32.00		37.83		43.90		48.87		55.84		54.42		48.47		39.06		29.97		29.26		38.90
1974	21.68		29.64		30.85	k	37.03		39.81		48.03		50.07	a	51.74		44.03		36.97		33.43		29.45		38.35	a
1975	24.55		24.07		27.29		33.27		41.03		48.87		55.03		50.62	r	43.87		37.90		28.67		25.61		35.47	a
1976	24.19		25.97		26.10		-----	z	41.10		45.43		51.71		51.65		47.97		37.16		30.03		28.39		37.24	a
1977	21.29		29.04		31.26		37.83		40.94		51.33		53.90		57.81		44.43		34.81		26.77		25.65		37.92
1978	26.00		28.07		29.90		36.60		42.55		50.53		55.42		54.58		46.87		36.19		25.23		18.94		37.57
1979	12.19		21.36		28.48		35.33		43.58		50.07		55.61		54.84		48.10		40.74		28.40		29.29		37.33
1980	16.29		25.93		30.70	a	37.47		44.10		48.23		53.90	a	51.48		46.33		36.19		31.83		27.81		37.52
1981	29.45		28.46		32.42		36.60		42.90		46.87		52.87		55.97	a	44.80		34.87		31.77		25.90	a	38.57
1982	24.26		24.44	a	28.55		31.55	a	41.00	a	51.17		53.81		54.00	a	47.17		36.33	a	26.36	b	-----	z	38.06	a
1983	27.90		28.82		32.23		35.17		44.90		50.13		50.94		54.68		43.07		35.71		33.83		16.00		37.78
1984	25.90		29.07		32.68		36.46	b	-----	z	48.23		53.68		53.10		43.23		36.65		29.27		19.13		37.04	a
1985	21.81		20.64		28.19		36.83		43.86	b	49.33		58.39		53.39		43.67		37.94		22.27		21.81		36.51
1986	27.65		24.64		31.77		36.93	a	42.87		52.14	b	52.48		57.45		45.60		37.55		32.53		25.55		38.93
1987	23.42		28.93		31.29		38.90		44.26		51.07	b	56.00		53.81		49.03		37.20	a	35.10		23.80	a	39.40
1988	23.52		26.17		31.94		37.77		44.06		49.57		54.63	a	53.52		46.33		41.65		32.63		25.65		38.95
1989	25.48		18.43		28.35		37.00		43.30	a	51.83		53.29		54.32		46.17		37.65		35.67		29.48		38.41
1990	28.61		22.93		30.29		40.37		42.42		49.76	a	57.59	b	56.93	a	49.23		35.70	a	33.23		18.65		38.81
1991	22.39		29.93		29.03		36.60		43.16		48.43		54.90	a	56.06		48.80		37.35		31.63		29.68		39.00
1992	28.03		31.31		33.84		38.83		46.65		55.47		56.00		55.90		45.07		39.63	a	32.93	a	23.87		40.63
1993	18.00	a	23.59	a	29.23		36.10	a	47.77	a	50.40		53.00		53.48		47.65	g	40.19		27.33		25.77		36.81	a
1994	29.23	a	25.75		31.39		40.60		45.77		47.97		58.68		55.90	a	49.70		37.74		27.83		25.00	a	39.63
1995	22.34	b	26.71		28.77		35.40		44.80	a	50.43		56.74		50.13		49.83		38.21	b	30.80		26.35		38.38
1996	24.42		21.69		29.03		35.97		40.90	a	48.50		55.52		54.13	a	45.90		37.48		30.74	c	23.10		37.28
1997	23.48		26.50		-----	z	33.73		42.67	a	-----	z	-----	z	56.37	a	-----	z	39.86	b	32.53		28.32		35.43	d
1998	26.61		30.36		32.74		36.38	a	46.90		51.07		59.20	a	57.90		52.17		37.87	a	33.76	a	24.94		40.82
1999	29.16		28.46		29.39		34.20		40.68		48.83		52.26		55.77		44.87		37.29		34.21	a	30.10		38.77
2000	25.87		26.79		30.48		37.13		43.77		50.07	c	53.50	a	54.07	a	46.80		37.74		28.40		24.32		38.25
2001	27.00	b	25.21		31.39		35.22	c	44.55		48.67		56.16		57.81		51.30		38.55		33.00		29.10		39.83
2002	27.87		27.32		29.16		36.70		42.84		51.45	a	57.55		56.55		48.20		37.29		32.83		31.39		39.93
2003	28.37	a	27.11		32.52		36.90		43.97	a	53.13		60.13		58.26		51.20		42.16		27.90	a	27.29		40.74
2004	25.55		-----	z	-----	z	38.60		-----	z	50.50	f	57.90		58.33	a	46.90	a	38.73	a	31.10		28.61		40.72	d
2005	25.58		24.86		32.42		37.37		46.13		49.83		55.77		56.42		46.75	b	40.45		30.83	a	25.68		39.34
2006	29.48		24.22	a	28.61		35.28	a	41.03		51.10	a	57.90		54.00	a	47.63		37.35		29.59	a	24.13	a	38.36
2007	21.33	a	27.33	a	30.16		35.61	b	41.83	b	49.33		-----	z	53.00		47.50		36.10	a	28.97	a	24.33	a	35.95	a
2008	19.13		26.83		29.16		31.30		43.00		48.50		56.00		53.00		44.27		-----	z	31.77		21.93	b	36.81	a
2009	22.70	a	25.85	a	26.47	a	34.17		40.20	a	50.48	a	55.84		56.29		48.00		34.87		31.10	a	21.43	a	37.28
2010	28.74		28.41	a	31.35		36.10		40.87	a	48.67		54.87		54.16		46.89	c	38.16	f	23.25	r	26.89	d	39.69	b
2011	25.87		25.39		29.33	g	32.90		41.32		48.33		52.61		55.81		48.93	c	38.16		27.26	c	22.87		38.13	a
2012	24.04	e	26.56	b	27.97		34.80		43.06		45.38	a	55.20	a	56.57	a	47.36	b	38.13	a	31.76	e	28.11	c	38.24
2013	23.45	b	28.17	e	32.33	d	36.00	f	43.46	c	49.70		58.26		56.23	a	50.17		35.42		30.67		23.35		39.20	a
2014	27.61		23.39		29.06		35.85	c	47.10		51.03		59.16		57.06		49.03		43.61		29.89	c	27.20	a	40.00
2015	27.26		30.86		34.45		36.77		46.65		56.59	a	60.84		57.90	a	47.28	a	42.06		28.55	a	26.17	b	41.28
2016	26.16		29.50	a	31.68		42.52	c	47.52		52.07	a	56.97		57.13		46.60		38.48		36.10		20.97	a	40.47
2017	15.43	c	22.44	a	29.94		34.97		42.45		51.50	h	57.39		57.29		48.31	a	35.00	c	31.48	a	25.42		36.37	a
2018	28.57	a	24.93	a	29.84		36.47		48.45		48.13		54.59	b	54.96	c	46.69	a	36.35		32.00		26.00		38.91
2019	25.81		17.15	a	25.55		36.83	a	47.21	b	52.71	b	55.74		57.65		49.72	a	34.47	a	29.41	a	27.75	c	38.33
2020	27.10	a	27.42	c	30.13	a	38.00	a	45.03		52.27		55.94		53.97		50.97		39.00		29.90		26.32		39.67
2021	27.67	a	26.38	b	31.89	d	36.10		42.50	c	53.55	a	58.18	c	55.16		48.22	c	36.52	b	32.07	a	22.76	b	39.25
2022	25.20	a	26.68		32.00	c	33.73		42.07	a	48.77		56.30	a	59.93	d	50.07	c	42.04	c	26.52	c	17.86	c	38.43
2023	26.55	b	25.38	b	28.57	a	33.74	c	47.83	b	50.66	a	56.57	a	57.27	a	49.03	a	39.03		28.68	b	28.68		39.33
2024	22.07	b	28.71	a	31.28	b	38.29	m	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	27.35	i
Period of Record Statistics
MEAN	23.13		25.21		29.39		35.44		42.49		48.64		53.53		52.85		45.38		36.89		30.14		25.27		37.35
S.D.	5.25		3.94		2.39		2.20		2.26		2.50		2.91		3.09		2.70		2.24		2.74		3.42		1.85
SKEW	-1.37		-0.96		-0.43		0.04		0.52		0.11		0.36		0.14		0.31		0.30		-0.38		-0.51		-0.07
MAX	30.35		34.54		34.45		42.52		48.45		56.59		60.84		59.93		52.17		43.61		36.10		32.23		41.28
MIN	5.52		9.24		23.00		29.87		37.77		41.13		48.83		46.74		40.10		30.84		22.27		16.00		33.44
YRS	106		104		103		106		107		107		108		109		109		108		108		105		86