LAKE KEECHELUS, WA

Average of Average Temperature (Degrees Fahrenheit)

(454414)

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
1907	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1908	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
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	64.19	m	62.90	b	53.98	a	43.80	h	35.80		30.18		45.71	h
1914	31.37		30.59		37.50		42.65		50.28	a	53.82		62.54	d	62.87		51.07	a	47.32	a	35.95		25.14	c	44.26
1915	25.05	b	32.93		39.66		46.23		48.37		54.62		61.13		66.32		54.27		46.26		33.52		28.48		44.74
1916	15.29		29.53		34.21		39.27		41.95		51.69	d	57.85		62.87		54.87		45.05		31.92		27.29		40.98
1917	27.13		29.23		29.56		37.17		43.19		50.20		61.93	a	63.34		55.78		48.84		41.70		35.29		43.61
1918	33.24		26.62		33.23		41.67		45.35	a	59.12		62.32	a	59.05	a	59.90		47.18		36.15		30.72	a	44.54
1919	29.31		28.71		34.33	a	39.18		44.97		52.23		60.68		58.55	c	50.45	h	-----	z	34.18		22.35		40.45	b
1920	27.92		28.60		34.34		35.73		44.45		52.00	a	62.70	a	62.27		51.70		41.98	a	34.80		30.29		42.23
1921	26.92		31.52	e	33.76	b	36.48	c	46.83	b	55.60		58.70	c	60.31	e	48.55		47.10		35.31	c	26.90	b	42.33
1922	19.93	a	21.70		27.69		35.72		43.98		58.04	b	62.05		61.07	c	55.35		47.74		32.45	b	23.85	e	40.80
1923	27.07	c	23.54	a	31.98	c	39.82	e	45.03	a	53.67		61.09	b	62.13		55.62		44.87		38.65		31.62	e	42.92
1924	25.42	a	34.29		34.37		39.32		51.42		53.98		60.39		60.03		53.90		43.70	a	32.57		22.47		42.65
1925	30.35	a	33.52		34.08		40.70		50.48	a	55.43		62.90	b	60.14	b	54.00	d	46.06	d	34.53	a	33.45	a	44.64
1926	28.85		34.61		39.47		46.93		47.50		57.52		62.71		60.90	b	49.23		45.66	b	37.26	a	28.53	a	44.93
1927	24.94		29.96		31.42		35.83	a	41.82		54.95		60.05	c	61.11		51.52		44.09	c	37.10		26.55	i	42.98	a
1928	26.35		29.61	b	35.37		38.73		51.50		52.96	c	62.70	a	60.34	b	53.78	a	44.73		36.22		26.93	c	43.27
1929	20.40	a	19.77		34.42	a	36.10		46.87		52.09	b	59.18		61.94		53.67		45.61		35.40		33.03	a	41.54
1930	13.85		32.02		35.23		42.77		46.57	a	51.77		60.00	a	63.60	b	54.38	a	41.34		34.18		27.93	c	41.97
1931	30.63	a	29.87	e	35.42	a	42.23		52.05		56.52		62.97	a	62.52		54.67		45.44		32.91	b	26.34		44.30
1932	26.05		26.50	a	33.34	c	40.14	a	46.19		56.23		57.18	a	60.73		54.65		47.24		38.12		27.27		42.80
1933	28.50		23.73		32.10		37.75		43.16		52.02		60.39		62.85		50.13		47.34		40.17		33.68		42.65
1934	34.58		35.61		40.95		49.30		51.53		55.72		60.63		63.23		53.47		46.40	a	39.25		32.68	a	46.95
1935	27.47		32.27		31.05		37.63		47.42		54.75		60.52	a	59.73	a	57.30		45.08		32.02		29.71		42.91
1936	30.15		15.00		32.80	a	39.67	a	49.58		55.00		60.53		61.84		53.88		49.79		34.31	a	32.63		42.93
1937	13.70	a	24.85	b	35.92		37.83		46.75	a	55.93		62.35		57.48		56.27		48.10	a	37.05		31.84		42.34
1938	28.89		29.30		33.29		40.35		48.85		57.87		64.48		59.06		59.60	a	46.15		32.52	a	31.34		44.31
1939	32.55		26.85	a	33.34		42.08		48.76		51.42		60.89		62.87		54.17		45.27		39.02		34.45		44.31
1940	28.42		32.60		37.85		42.38		50.84		57.33		61.71		60.74		57.25		47.15	a	30.83		30.80	a	44.83
1941	29.68		32.30		39.35		45.30		48.66		54.12		66.02		62.27		50.42		45.24		37.91	b	30.34		45.13
1942	22.68		28.79		32.20	a	41.88		46.42		50.93		62.39		63.19		56.32		46.17	b	32.02		29.61		42.72
1943	18.27		30.11		30.15		38.82		43.60		50.37		60.94		57.94		55.48		45.60		35.72		28.42		41.28
1944	24.24		27.91		30.66		40.14	a	46.87	a	53.14	a	60.35		58.08		56.22		48.21		34.18		25.05		42.09
1945	30.16		30.79		30.94		34.83		48.50		51.42		61.23		61.27		50.57		47.16		31.85		26.76		42.12
1946	28.37		28.41	a	31.92		37.47		47.63		50.50		59.03		60.52		52.02		41.98		32.21	a	30.00		41.67
1947	25.23		30.59		36.82		42.72		52.06		51.97		57.87		57.56		54.88		44.34		36.33		32.08		43.54
1948	25.72	f	26.94	c	30.65		35.25		42.71		56.28		57.77		58.71		51.77		43.18		34.10		23.71		41.92	a
1949	11.81		24.14		33.24		39.27		49.19		52.92		58.15		59.81		55.90		42.60		40.43		30.05		41.46
1950	9.90		26.11		31.97		36.77		42.95		52.80		59.81		61.18		56.02		42.79		34.98		33.53		40.73
1951	26.58		27.68		30.11		40.67		46.60		55.03		60.31		58.68		55.55		43.58		34.15		27.35		42.19
1952	21.85		28.45		31.08		39.75		48.13		51.47		60.15		59.85		56.82		50.55		32.75		30.18		42.59
1953	34.85		32.71		34.50		38.58		45.18		49.05		58.65		59.35		54.62		46.87		37.55		34.32		43.85
1954	24.95		30.79		28.87		36.55		44.90		48.40		56.23		55.69		53.03		42.68		40.26	a	29.19		40.96
1955	29.87		27.95		26.77	a	34.35		41.35		51.35		55.02		57.95		52.68		43.94		29.43	b	25.16		39.65
1956	25.32		21.78		29.90		39.87		46.52		49.40	a	61.05		60.24		53.28		42.61		33.03		31.47		41.21
1957	16.84		28.30	a	33.90		40.50		50.52		55.37		56.82		55.53		57.63		42.10	a	35.13		33.52		42.18
1958	31.56		36.11		34.08		40.43		54.56		59.45		65.03		63.79		52.85		46.32		32.77		32.15		45.76
1959	28.13		29.73		33.95		40.02		43.71		53.15		60.61		56.52		50.78		45.13		34.14	a	30.48		42.20
1960	24.75	a	29.26		31.94		38.82		44.21		53.48		63.11		56.61		53.22		46.02		34.60		27.52		41.96
1961	30.31		33.75		34.82		38.08		45.76		58.57		61.85		64.31		50.32		42.53		30.36	a	28.45		43.26
1962	26.16		31.52		32.15		41.52		43.79		52.10		57.82		57.32		54.28		45.48		37.10		32.35		42.63
1963	25.68		36.25		35.74		38.80		47.05		53.18		56.47		59.98		57.85		45.94		35.15		28.11		43.35
1964	30.61		30.43		32.89		35.97		42.68		50.75		58.34		55.55		50.35		44.19		33.08		24.11		40.75
1965	29.32		31.11		33.16		40.75		45.02		53.18		60.87		60.31		51.55		46.29		38.32		28.42		43.19
1966	28.02		30.82		32.95		40.07		47.24		51.42		57.71		59.40		55.98	a	43.21		37.00		33.15		43.08
1967	32.33	a	32.62		31.82		36.43		46.42		57.45		60.74		64.39		58.50		44.05		35.97		28.65		44.11
1968	28.84		32.86		37.74		38.32		47.03		52.52		61.48		56.92		53.55		41.21		34.55		24.48		42.46
1969	16.42	l	27.62	b	34.08		40.39	g	-----	z	59.33		57.74		57.13		53.90	a	41.48		37.64	a	30.65	a	44.40	c
1970	25.97		34.15	h	32.43	a	35.26	a	45.32		56.89	c	60.87	a	60.37		49.38		42.15		34.53		26.54	c	42.70	a
1971	28.12	a	30.17	a	28.18		36.97	a	45.08		48.57		60.77	a	64.13	a	49.13		42.69		34.52		-----	z	42.57	a
1972	27.41	b	28.12		33.50		34.85		46.72	a	53.35		58.89		61.53		49.33		44.52		-----	z	25.10	j	43.82	b
1973	26.09	c	31.73		35.15		40.45		48.40		52.93		60.00		57.53		53.88		43.13		29.78		31.70	c	42.56
1974	18.78	h	30.24	e	31.31		36.85		41.40	a	53.82	b	57.34		61.07	a	55.47		45.79		36.68		32.38	b	43.85	a
1975	27.84		25.29		29.53		33.18		43.67	a	50.38	a	61.23		56.60	b	54.03	a	-----	z	32.30		30.85		40.45	a
1976	28.57	b	27.36		28.85		35.44	c	43.40	a	49.52	a	57.24		57.24	b	54.93		44.18		36.98	a	32.87		41.38
1977	25.60		32.66		32.87	a	41.45		43.58		55.62		57.47		65.14	c	-----	z	-----	z	-----	z	-----	z	44.30	d
Period of Record Statistics
MEAN	26.23		29.28		33.23		39.21		46.55		53.63		60.28		60.38		53.90		45.07		35.10		29.49		42.85
S.D.	5.34		3.91		2.92		3.13		3.00		2.77		2.22		2.55		2.62		2.14		2.70		3.20		1.44
SKEW	-1.26		-1.00		0.37		0.72		0.39		0.26		-0.01		-0.00		-0.06		0.18		0.20		-0.38		0.39
MAX	34.85		36.25		40.95		49.30		54.56		59.45		66.02		66.32		59.90		50.55		41.70		35.29		46.95
MIN	9.90		15.00		26.77		33.18		41.35		48.40		55.02		55.53		48.55		41.21		29.43		22.35		39.65
YRS	61		63		64		63		63		64		64		65		63		61		63		61		54