LAKE KEECHELUS, WA

Average of Maximum 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	79.26	l	77.50	a	67.59	a	51.31	b	40.80		33.81		54.20	g
1914	34.61		36.11		46.61		53.50		65.10		65.10		76.58		78.00		60.77		56.10	a	39.77		31.10	b	53.61
1915	31.59	b	39.25		49.94		59.73		58.97		66.53		73.58		82.29		67.47		55.58		38.40		33.52		54.74
1916	21.55		35.97		40.84		49.80		52.35		64.38	d	70.61		77.39		68.77		58.23		38.03		31.94		50.82
1917	33.45		36.86		37.45		44.90		53.52		62.60		78.67	a	80.26		67.80		61.16		47.67		40.81		53.76
1918	38.00		34.50		41.81		54.53		55.23	a	73.93		75.93	a	71.33	a	76.90		55.74		41.80		36.10	a	54.65
1919	35.52		35.68		42.57	a	49.17		55.97		65.17		75.74		70.71	c	60.59	h	-----	z	40.20		29.81		50.05	b
1920	34.65		39.76		41.87		43.90		56.06		63.59	a	75.97	a	76.29		62.03		49.30	a	41.97		33.84		51.60
1921	33.35		38.28	c	41.34	b	45.43	b	59.00	b	65.70		72.14	c	73.63	d	58.50		59.26		41.70	c	32.38	b	51.73
1922	29.27	a	32.29		37.68		44.00		54.35		70.82	b	74.94		74.14	c	67.93		58.23		37.64	b	30.19	e	50.96
1923	34.14	c	33.41	a	41.61	c	49.40	e	53.90		63.90		73.21	b	75.68		70.30		55.39		46.13		36.62	e	52.81
1924	30.74		40.72		42.48		48.63		63.45		64.60		72.23		71.39		67.23		52.13		37.67		30.77		51.84
1925	35.43	a	39.54		42.23		49.63		62.23		66.43		75.57	a	72.53	a	64.93	a	59.63	a	40.57		36.23		53.75
1926	32.39		40.68		50.48		59.10		56.16		69.43		76.10		73.80	a	60.10		54.77	a	43.62	a	34.55		54.26
1927	29.90		37.86		40.81		45.33		49.35		65.23		71.34	b	74.06		60.13		52.10	a	41.50		32.76	b	50.03
1928	31.45		38.03		43.29		47.17		64.19		61.00	c	73.97		73.16		69.03		54.19		41.93		32.27	a	52.47
1929	29.30	a	30.43		41.23		45.07		58.13		61.34	a	72.71		77.06		68.00		58.52		46.43		38.39		52.22
1930	22.97		39.75		43.90		53.70		56.68		61.40		72.52		78.20	a	65.97		50.90		40.70		31.61		51.52
1931	34.84		37.29		44.26		54.03		66.06		67.37		79.40	a	79.65		66.00		57.52		40.73		31.52		54.89
1932	32.32		36.28		39.89	c	49.72	a	57.16		68.63		68.93	a	72.55		70.53		58.00		44.73		34.03		52.73
1933	34.87		33.25		41.00		49.00		52.94		64.27		73.61		78.23		61.30		59.29		48.00		38.55		52.86
1934	40.97		45.75		52.81		62.20		63.19		67.70		74.10		79.06		66.47		57.77		45.33		37.73	a	57.76
1935	34.35		42.96		41.13		50.30		60.87		66.10		74.52		74.43	a	73.27		56.81		40.03		34.26		54.09
1936	37.19		24.21		42.13		50.17		62.13		66.53		73.90		76.55		69.23		64.16		45.13		37.87		54.10
1937	24.77		34.21		44.77		44.87		59.55		68.00		75.29		68.87		70.83		60.26		42.43		36.97		52.57
1938	34.74		35.25		41.65		51.17		60.97		70.33		80.06		73.55		75.47		57.84		39.72	a	37.48		54.85
1939	37.71		34.43		43.32		53.57		60.39		60.93		74.00		79.90		69.23		56.06		47.57		40.13		54.77
1940	33.55		38.83		46.48		51.97		63.55		71.63		74.16		75.16		70.83		56.32		36.53		35.84		54.57
1941	33.97		41.86		52.65		57.60		58.65		64.77		80.61		75.19		59.87		54.00		45.90	a	35.58		55.05
1942	29.06		36.04		40.67	a	52.87		55.68		59.87		75.26		77.10		72.07		59.86	b	36.37		35.29		52.51
1943	25.94		37.79		40.29		48.47		53.10		60.73		72.29		70.10		72.60		56.19		41.73		35.03		51.19
1944	32.13		37.17		40.32		49.97		57.77		63.72	a	72.42		69.74		69.63		61.71		39.67		29.84		52.01
1945	34.26		37.29		38.26		41.70		59.58		60.90		74.81		75.26		63.50		59.16		36.43		31.10		51.02
1946	35.03		35.36		39.03		46.53		60.65		60.07		70.71		74.48		64.27		50.87		38.97		35.90		50.99
1947	32.87		39.39		46.10		52.63		63.16		61.13		69.23		69.68		67.37		51.48		41.60		36.03		52.56
1948	33.19		34.45		38.90		43.27		50.77		66.73		68.52		68.42		64.40		54.81		38.93		28.94		49.28
1949	24.52		31.64		40.61		49.17		62.16		64.57		69.26		71.81		69.03		52.42		48.67		35.74		51.63
1950	18.45		32.50		38.61		45.43		53.13		63.43		71.84		74.16		71.20		49.58		40.40		37.29		49.67
1951	31.90		37.75		38.55		54.93		57.39		66.63		73.65		72.29		70.37		51.10		40.10		33.71		52.36
1952	28.10		37.07		40.87		50.93		59.65		60.13		73.58		73.13		72.30		66.65		40.73		33.65		53.07
1953	40.45		39.43		41.61		46.87		54.23		56.83		70.23		71.23		67.83		58.10		43.37		39.06		52.44
1954	30.26		36.29		40.52		43.90		56.61		56.37		66.77		64.68		63.87		53.26		46.77		34.77		49.50
1955	34.81		35.89		34.94		42.27		49.84		61.13		63.32		71.19		64.17		52.94		33.63		31.45		47.96
1956	31.29		29.66		38.19		51.60		58.68		57.34	a	74.23		72.94		67.07		50.19		39.40		37.87		50.70
1957	24.97		35.96		40.94		49.57		60.26		64.33		66.71		67.81		73.47		51.65		44.23		38.58		51.54
1958	35.52		41.43		42.94		49.87		67.71		68.90		79.39		77.90		64.23		57.97		40.17		36.90		55.24
1959	33.58		35.82		41.42		49.50		53.68		62.30		73.32		68.29		60.50		55.00		42.90		36.58		51.07
1960	31.26		37.31		41.32		47.40		52.68		63.13		77.26		66.77		67.30		57.26		40.53		34.26		51.37
1961	36.77		38.75		43.06		45.03		55.74		72.03		74.29		79.26		62.37		52.55		38.47		33.48		52.65
1962	34.35		39.54		40.23		50.97		50.10		63.03		68.77		67.81		68.50		54.77		42.60		37.48		51.51
1963	33.68		45.39		43.68		46.03		58.19		60.40		65.77		72.55		72.73		55.58		40.60		33.39		52.33
1964	35.35		40.07		40.48		43.87		52.87		60.20		68.77		65.81		61.97		56.55		38.37		29.10		49.45
1965	35.00		37.86		46.26		51.13		54.48		64.23		74.29		71.29		64.73		58.06		43.43		34.42		52.93
1966	34.03		38.00		42.58		50.00		58.26		60.70		67.52		72.29		69.60		54.90		43.23		37.06		52.35
1967	37.17	a	40.75		40.03		44.90		56.45		68.83		73.29		81.00		74.30		52.74		43.67		34.74		53.99
1968	34.26		43.90		45.90		46.77		57.00		62.20		74.68		67.58		66.63		50.10		40.40		30.19		51.63
1969	23.80	k	36.08	b	45.94		48.37		-----	z	69.93		69.48		69.39		64.67		51.65		44.47		34.61		53.46	b
1970	31.77		41.90	h	41.74		41.77		55.29		68.96	b	72.19		74.32		61.00		52.97		40.63		33.13		52.16	a
1971	34.90		37.75		36.87		46.87		55.90		56.50		74.77		79.19		61.87		52.65		39.53		-----	z	52.44	a
1972	34.14	b	36.31		41.65		43.90		57.97		62.30		72.39		75.55		60.70		57.48		-----	z	31.54	g	54.24	b
1973	32.89	c	40.29		42.10		51.37		60.97		62.23		72.61		70.58		66.77		51.65		34.30		34.34	b	51.67
1974	26.57	h	36.35	e	38.52		44.30		49.35		65.00		68.13		74.20	a	72.40		60.90		42.10		36.69	b	53.45	a
1975	33.81		31.64		38.10		42.97		54.39		59.80		72.52		66.07	b	70.63		-----	z	38.60		36.81		49.57	a
1976	34.38	b	34.72		38.42		45.21	b	54.67	a	59.69	a	68.55		66.61		68.70		56.61		45.45	a	39.32		51.03
1977	32.29		39.29		38.67	a	53.33		52.68		66.03		69.03		79.76	b	-----	z	-----	z	-----	z	-----	z	53.88	d
Period of Record Statistics
MEAN	32.58		37.12		41.95		48.93		57.32		64.18		72.82		73.55		67.13		55.64		41.48		34.73		52.41
S.D.	4.20		3.67		3.49		4.46		4.26		3.93		3.52		4.22		4.33		3.68		3.29		2.87		1.80
SKEW	-1.15		-0.46		1.15		0.67		0.22		0.22		-0.18		-0.05		-0.04		0.43		0.13		-0.13		0.21
MAX	40.97		45.75		52.81		62.20		67.71		73.93		80.61		82.29		76.90		66.65		48.67		40.81		57.76
MIN	18.45		24.21		34.94		41.70		49.35		56.37		63.32		64.68		58.50		49.30		33.63		28.94		47.96
YRS	62		63		64		64		63		64		64		65		63		62		63		62		56