STEHEKIN 4 NW, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(458059)

File last updated on April 25, 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	39.38	w	41.44	a	46.30	h	64.93	a	65.20	a	68.23		85.94		80.74		68.73		56.72	b	43.00		36.16		61.11	b
1907	26.16		37.38	l	44.03		55.83	a	71.39		72.14	a	82.07	a	74.59	d	70.53		61.48		46.38	d	37.27	e	58.35	a
1908	-----	z	-----	z	-----	z	57.37		63.88	e	74.86	a	82.14	j	79.14	b	71.47		-----	z	46.92	d	-----	z	65.61	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	62.90		72.67		75.74		83.52		73.10		60.03	a	39.26	k	-----	z	71.33	f
1917	-----	z	35.53	m	41.77		53.77		68.27	a	72.07		84.77		86.26		73.73		64.42		47.20		38.81		63.11	b
1918	38.81		37.64		47.42		63.60		66.06		79.64	b	81.48		78.03		80.23		58.97	a	-----	z	-----	z	63.19	b
1919	35.58		37.50		48.61		59.93		67.30	a	73.79	a	85.55		81.52		71.40		59.39		41.79	a	30.80	a	57.76
1920	34.26		44.17		49.19		57.23		65.58		72.03		85.20	a	82.39		68.50		54.42		46.03		37.16		58.01
1921	33.87		39.18		48.16		56.50		70.10		74.93		82.58		81.10		65.41	a	59.52		42.50		32.97		57.23
1922	29.03		32.74	a	42.87		57.37		67.84		81.13		85.55		81.74		74.40		60.35		40.17		28.87		56.84
1923	33.55		33.93		49.16		61.47		68.23		73.73		83.90		82.97		75.87		61.03		47.73		34.61		58.85
1924	32.68		43.76		51.68		61.20		77.42		76.13		84.10		81.84		72.90	a	58.10		39.93		32.84		59.38
1925	35.97		43.25		51.53	a	63.83		72.55		77.27		87.55		80.19		73.10		62.13		44.50		41.77		61.14
1926	38.42		45.50		59.77		66.97	a	68.35		81.20		86.87		80.68		67.07		58.06		45.80		34.35		61.09
1927	32.29		38.29		47.26		56.73		64.65		76.07		83.26		81.23	e	67.33		56.68		42.70		32.13		56.55
1928	34.26		42.24		48.77		57.37		74.29		74.43		85.23		81.83	a	73.70		57.19		44.37		32.53	a	58.85
1929	26.87		35.81	a	51.52		57.10		68.71		72.60		81.81		84.74		71.47		61.80	a	45.40		37.52		57.95
1930	22.97		40.96		50.94		63.63		66.48		71.37		82.87		83.16		70.97	a	54.74		41.07		35.03		57.02
1931	35.29		39.04		47.35		62.00		71.00	a	72.20		84.10		82.39		68.40		58.26		39.60		32.90		57.71
1932	32.00		36.34		45.81		59.69	a	65.58		77.20		75.10		79.03		72.00		58.74		44.60		34.39		56.71
1933	35.26		35.07		44.19		59.60		61.35		72.63		80.48		81.35		63.43		56.87		46.73		36.00		56.08
1934	38.35		41.86		52.10		67.33		69.37	a	76.30		79.39		82.19		67.63		57.35		46.67		36.84		59.62
1935	31.39		39.25		44.32		56.47		68.45		72.87		78.35		76.81		71.60		56.42		40.40		35.74		56.01
1936	34.13		25.83		44.71		62.10		71.65		73.70		81.48		81.68		70.17		62.35		42.87		36.48		57.26
1937	23.10		33.21		46.48		54.80		67.32		72.57		81.55		74.87		71.50		58.42		42.90		35.00		55.14
1938	33.97		37.46		45.00		58.97		69.58		78.34	a	84.68		78.03		76.00		56.42		42.17		37.77		58.20
1939	39.94		39.39		48.81		61.93		68.10		71.73		82.45		83.57	a	72.77		59.55		44.89	b	39.77		59.41
1940	36.65		39.83		52.97		60.50		70.35		78.77		80.87		81.00		73.37		57.23		39.28	a	34.55		58.78
1941	35.20	a	40.57		54.06		64.00		65.90		73.00		84.97		77.10	a	64.57		56.10		45.03		36.45		58.08
1942	31.42		40.14		48.65		61.83	a	65.03	a	70.10		82.26		83.23	a	73.70		60.81		39.10		34.90		57.60
1943	27.81		39.93		43.16		59.33		63.68		70.83		81.94		77.53	a	74.10		56.84		44.30		36.06		56.29
1944	32.74		40.93		46.84		59.62	a	67.94		74.73		81.81		78.65		73.24	a	60.81		43.00		32.70	a	57.75
1945	38.65		42.78	a	47.23		55.30		68.84		73.13		83.03		81.81		68.37		59.06		41.27		33.19		57.72
1946	36.48		39.61		48.06		58.20		71.23		69.90		79.16		80.35		69.40		54.71		38.90		33.84		56.65
1947	30.42		40.26	a	50.97		61.53		71.94		71.13		78.97		78.77	a	70.73		54.77		45.93		36.10		57.63
1948	34.32		36.52		45.03		53.47		63.58		77.00	b	76.58		73.52		66.83		53.06		42.90		29.60	a	54.37
1949	24.23		33.43		44.87		59.57		71.81		73.63		79.52		78.61		70.43		54.39		47.40		34.74		56.05
1950	20.29		35.36		46.19		52.70		65.00		73.37		79.97		81.10		73.23		52.03		41.37		36.32		54.74
1951	32.68		35.54		38.61		60.63		69.74		75.77		82.71		81.29		70.70		53.19		40.60		31.22	d	56.06
1952	-----	z	-----	z	-----	z	59.67		68.39		71.63		82.48		80.26		74.63		63.64	c	41.20		-----	z	67.74	d
1953	-----	z	-----	z	48.90		56.27		65.81		67.27		79.48		77.00		71.60		58.06		43.70		-----	z	63.12	c
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	77.94		74.74		68.30		53.23		-----	z	-----	z	68.55	h
1955	35.45		37.54		40.65		52.00		60.84		72.67		75.35		79.71		70.97		53.63	a	34.53		32.42		53.81
1956	35.39		34.38		44.19		62.73		71.29		69.67		83.74		80.29		69.90		53.39		41.27		36.84		56.92
1957	28.39		39.36		48.32		60.87		72.48		74.17		77.42		75.55		75.27		54.45		44.33		37.29		57.32
1958	37.06		44.70	a	50.06		58.90		76.26		80.37		87.65		87.10		69.00		57.97		40.30		36.61		60.50
1959	33.90		38.29		47.19		57.36	p	67.53	p	73.70		83.71		77.45		65.50		56.55		41.27		37.23		55.48	b
1960	34.52		40.17		46.19		57.57		64.26		74.43		87.58		76.65		72.33		58.74		42.27		34.90		57.47
1961	35.55		42.25		48.52		58.80		66.94		80.87		85.32		85.84		69.43		54.84		38.47		35.06		58.49
1962	35.39		41.64		46.19		61.77		63.52		73.93		81.19		76.81		72.17		57.58		43.53		36.94		57.55
1963	34.26		42.57		50.90		56.03	a	68.77		74.17		77.13		79.94		74.70		57.30	a	43.10		35.65		57.88
1964	36.90		42.17		45.97		57.00		66.61		72.20		80.52		75.03		69.67		56.84		41.43		31.29		56.30
1965	35.55		42.36		49.26		60.50		66.87		76.37		82.52		78.39		69.73		59.19		46.20		33.58		58.38
1966	33.87		42.25		47.52		60.77		69.84		71.63		79.10		80.77		75.40		56.74		45.90		37.84		58.47
1967	38.32		44.93		47.23		55.47		67.94		78.67		83.29		88.42		77.33		54.42		44.30		36.65		59.75
1968	36.16		40.69		50.10		57.93		68.26		73.27		84.45		75.77		70.90		53.55		43.37		30.39		57.07
1969	25.42		33.95	h	48.61		56.20		72.81		79.23		80.68		78.61		69.07		55.42		45.07		35.29		58.76	a
1970	33.16		42.96		49.23		54.60		69.52		79.63		83.58		82.68		67.30		55.81		40.60		32.39		57.62
1971	35.52		39.61		41.35		55.60		71.68		72.63		86.35		88.68		68.20		55.45		42.73		32.65		57.54
1972	32.58		37.24		46.65		52.90		71.81		74.83		82.00		82.81		66.43		58.10		43.80		31.39		56.71
1973	31.74		40.57		51.45		62.87		70.39		74.37		86.97		83.32		73.63		56.13		37.60		36.48		58.79
1974	33.23		42.43		47.90	k	58.57		64.97		81.33		82.16		86.10		78.97		61.48		43.90		37.77		60.99	a
1975	34.00		37.21		45.74		58.30		69.42		74.83		87.19		78.00		77.57		55.39		40.72	a	36.00		57.87
1976	36.65		39.97		45.97		-----	z	66.81		72.63		81.39		75.06		77.20		59.16		43.17		36.97		57.72	a
1977	31.06		41.46		48.32		64.27		65.00		80.57		81.90		89.71		67.97		56.35		37.70		32.45		58.06
1978	32.45		38.36		47.77		57.27		66.68		81.43		85.06		80.94		65.40		58.14	b	38.00		30.74		56.85
1979	24.61		34.11		48.52		58.43		71.87		80.53		86.81		83.39		74.70		61.26		39.80		36.26		58.36
1980	26.90		35.34		45.84		61.37		67.97		72.63		85.03		80.77		71.40		59.16		40.80		34.03		56.77
1981	37.74		38.79		54.19		56.77		66.81		69.67		81.06		89.03		73.50		54.39		42.77		32.55		58.10
1982	31.81		35.43		45.87		54.00		67.97		81.10		79.84		81.94		71.93		55.26		36.63		-----	z	58.34	a
1983	35.58		38.57		49.39		60.47		74.00		75.03		75.16		82.81		68.23		57.26		42.59	a	26.10		57.10
1984	35.42		39.03		50.61		56.03		-----	z	73.13		85.19		83.39		68.80		53.61		36.10		28.84		55.47	a
1985	30.65		35.82		47.19		59.80		70.42		77.63		94.10		83.19		67.43		53.42		32.17		28.57	a	56.70
1986	34.42		36.75		48.55		57.55	a	68.71		80.50		78.13		89.87		68.53		61.00		42.90	a	32.90		58.32
1987	31.77		41.46		48.13		63.17		71.32		78.83		82.19		83.65		78.33		62.70	a	47.43		32.03		60.09
1988	32.81		41.97		48.71		61.27		67.74		74.40		83.83	a	83.19		72.57		61.40	a	41.20		33.97		58.59
1989	36.00		32.64		43.48		62.60		68.17	a	80.17	a	82.93	a	80.42		75.27		58.26		45.37		37.48		58.57
1990	35.55		36.36		49.90		63.30		65.29		73.31	a	87.23		82.81		78.97		52.83	a	44.80		27.29		58.14
1991	32.32		43.19	a	46.45		58.76	a	67.48		73.00		84.83	a	84.10		77.00		59.48		39.43		37.52		58.63
1992	34.77		41.79		55.68		61.30		73.13		84.20		80.74		85.00		69.60		58.23		42.60		31.52		59.88
1993	27.77		36.89		44.94		55.17		74.13		72.47		75.13		80.84		78.33	f	62.48		40.37		33.10		54.84	a
1994	38.97		35.43		51.68		63.87		70.90		74.57		89.71		83.32		78.30		58.90		37.17		32.68		59.62
1995	31.63	a	41.79		46.26		58.87		74.40	a	76.23		84.42		76.23		77.60		54.03	a	40.67		33.39		57.96
1996	31.52		35.41		47.16		56.47		63.42		74.43		86.06		83.81		69.40		54.58		39.76	a	29.58		55.97
1997	32.52		39.04		-----	z	54.50		69.23		-----	z	-----	z	83.39		-----	z	54.54	c	42.63		35.32		51.39	d
1998	32.65		41.25		49.77		59.79	a	69.94		76.13		89.74		88.00		81.50		59.10	a	43.80		31.65		60.28
1999	36.71		38.89		45.61		59.50		66.74		72.83		81.42		83.65		72.60		55.97		43.93		37.32		57.93
2000	33.39		38.97		47.61		62.83		67.10		75.17		84.42		84.10	a	71.17		56.13		38.55	a	32.55		57.66
2001	34.60	a	37.82		49.42		57.47		68.90		71.97		85.19		85.84		76.57		54.77		43.27		34.55		58.36
2002	35.55		39.39		43.52		58.97		66.45		80.63		85.67	a	85.45		73.93		60.32		43.23		37.03		59.18
2003	35.42		40.93		48.26		57.80		67.83	a	80.86	a	90.10	a	87.16		76.48	a	58.90		37.97	a	34.10	a	59.65
2004	32.97		-----	z	-----	z	64.70		-----	z	76.75	f	86.71		84.87	a	70.13		59.94		42.20		35.73	a	59.66	d
2005	33.65		40.04		52.87		60.20		70.39		73.24	a	85.55		88.45		73.87		58.06		39.87		32.45		59.05
2006	36.16		38.48	a	46.13		59.23		70.29		76.43		90.19		85.60	a	74.43		62.45		37.90		31.84		59.10
2007	30.77	a	37.63	a	48.26		57.07		71.60	a	75.83		-----	z	82.16		75.57		54.74		42.90		32.84		55.40	a
2008	29.68		40.52		46.19		53.87		71.13		74.23		86.55		82.10		73.37		-----	z	43.40		30.52		57.41	a
2009	34.07	a	38.44	a	42.03		59.07	a	68.80	a	80.10		87.90		85.84		75.43		54.06		41.17		30.48		58.12
2010	35.90	a	41.50		50.19		56.77		64.48		74.40		85.71		83.45		67.00	c	54.12	f	32.83	r	31.74	d	59.11	b
2011	34.71		36.32		35.96	g	43.07		54.77		70.70		78.32		86.39		81.27	d	55.45		38.78	c	33.87		55.79	a
2012	32.62	e	39.33	b	44.55		60.17		69.26		71.41	a	88.97	b	90.00	a	75.21	b	55.50	a	39.80	e	34.00	c	58.40
2013	30.72	b	42.22	e	49.74	d	57.08	f	69.75	c	71.13		85.19		79.67	a	68.93		54.26		40.73		32.23		56.78	a
2014	36.19		31.64		44.80	a	58.59	c	70.27	a	74.97		88.42		84.39		73.00		58.61		40.67	c	34.60	a	58.01
2015	34.32		44.64		53.84		59.13		73.42		85.14	a	89.19		83.47	a	69.21	a	60.65		39.28	a	32.72	b	60.42
2016	32.87		41.71	a	48.68		66.78	c	71.29		77.72	a	81.23		86.03		70.67		52.03		45.57		30.03	a	58.72
2017	25.96	c	33.33	a	43.06		53.87		69.06		75.14	h	88.35		87.29		73.79	a	53.36	c	40.03	a	31.90		54.55	a
2018	34.03	a	38.07	a	45.74		55.87		75.74		72.97		85.52	b	81.96	c	69.72	a	56.19		42.87		33.13		57.65
2019	33.65		30.81	a	43.58		57.97	a	71.83	b	75.25	b	79.81		84.29		68.97		51.43	a	42.03	a	33.68	c	56.11
2020	33.53	a	41.50	c	48.37	a	60.10	a	67.81		72.80		83.39		85.35		73.37		55.90		40.13		33.74		58.00
2021	34.57	a	34.77	b	48.63	d	63.23		69.82	c	80.55	a	91.43	c	83.77		71.85	c	53.03	b	42.90	a	30.24	b	58.73
2022	31.47	a	41.07		41.86	c	44.73		59.00	a	72.27		82.47	a	88.78	d	75.19	c	60.29	c	35.37	c	24.57	c	54.75
2023	33.60	a	32.00	b	41.83	a	52.00	c	74.07	b	75.17	a	86.20	a	84.83	a	70.21	a	57.77		40.61	b	34.32		56.88
2024	29.52	b	40.39	a	49.84		59.68	h	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	39.92	i
Period of Record Statistics
MEAN	33.12		38.87		47.59		58.75		68.57		75.08		83.33		82.06		71.98		57.28		42.02		33.92		57.84
S.D.	3.69		3.49		3.38		3.92		3.59		3.56		3.76		3.75		3.71		2.91		2.98		2.91		1.43
SKEW	-1.10		-0.73		0.32		-0.80		-0.51		0.58		-0.03		-0.07		0.26		0.21		-0.42		-0.39		-0.22
MAX	39.94		45.50		59.77		67.33		77.42		85.14		94.10		90.00		81.50		64.42		47.73		41.77		61.14
MIN	20.29		25.83		38.61		43.07		54.77		67.27		75.10		73.52		63.43		51.43		32.17		24.57		53.81
YRS	105		103		103		106		107		107		108		111		109		108		107		104		87