TWISP 10 W, WA

Average of Average Temperature (Degrees Fahrenheit)

(458115)

File last updated on April 24, 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
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	15.77	a	18.73		34.82		41.82	b	48.97	a	59.71	a	65.10		61.38	a	52.36	a	44.16		27.83	a	21.45	b	41.01
1912	17.74		26.98	e	30.16		43.35		53.24	b	61.65		61.35		59.55		51.34	a	40.13		33.27		22.18		41.75
1913	13.38	b	18.46		30.59	b	43.53	a	50.40		57.85	c	60.94		64.77		53.53	a	41.11		32.73		23.75	a	40.92
1914	24.12	a	21.85	a	34.40		46.62		52.53		55.70		64.40	b	63.87		52.30		46.32		33.88		17.55	c	42.80
1915	19.32		30.83	b	39.24		48.72		50.97		56.52	a	63.06		67.11		53.80		45.08		26.93	a	19.35		43.41
1916	5.40		23.53		32.66		43.55		48.13		55.80		58.58		63.58		55.00		44.27	a	26.87		14.53		39.33
1917	16.03		21.46		25.53		39.10		49.95		53.87		63.32		64.16		54.45		45.31		34.98		25.53		41.14
1918	23.92		20.11		31.55		42.72		47.97		59.83		63.97		60.24		59.77		45.60		31.30		24.10		42.59
1919	22.85		20.34		32.50		44.02		51.63	a	54.87		63.13		63.13		54.73		42.63		28.40		16.92		41.26
1920	19.05	c	26.47		34.66	b	40.95		47.15		54.53		65.11		63.37		53.18		41.47		34.48		25.02		42.12
1921	19.82		24.95		35.06		40.70		51.79		57.77		61.39		61.95		48.95		45.84		30.63		19.18		41.50
1922	9.94		16.11		27.74		41.08		48.47		59.88		62.89		62.82		55.63		46.47		29.48		14.28	b	39.57
1923	20.13		18.68		31.13		44.38		49.98		56.73		64.02		62.85		56.08		45.16		34.58		20.48		42.02
1924	14.69		30.93		35.47		42.72		55.02		56.03		63.85		61.63		55.17		43.58		28.42		17.24		42.06
1925	20.26		31.88		37.50		46.50		54.15		58.10		65.65		61.27		55.37		44.31		31.35		28.63		44.58
1926	21.98		33.00		40.05		48.50		50.45		59.57		65.63		62.06		48.98		44.85		35.52		20.37	a	44.25
1927	18.97		25.02		32.63		41.27		47.37		57.92		63.27		61.19		52.63	c	43.56		31.57	b	13.82	a	40.77
1928	22.61		27.52		35.55		40.97	a	54.13		56.68		64.55		59.62	a	54.57		42.71		32.25	d	15.95	b	42.26
1929	8.40	a	14.64		37.45		40.03		50.15		56.60		60.56		62.31		52.03		45.05		29.42		23.18		39.98
1930	3.43	b	26.91	a	36.52		46.48		49.02		53.98		62.45		62.56		55.45		41.77	a	28.55		20.83	a	40.66
1931	24.27		23.98		34.50		43.43		52.47	b	57.27	b	62.79		60.73		53.47		43.17	a	25.61	b	20.24		41.83
1932	15.85		20.88	a	33.08	a	45.65		49.39		59.27		59.06		61.29		54.21	a	44.06		33.03		18.72	b	41.21
1933	18.71	b	16.15	a	32.06		43.05	a	46.56		55.25		62.27		62.00		50.03	a	44.57	c	34.82		24.98		40.87
1934	24.92	a	28.57		36.68		50.42		52.68		57.40		61.08		63.72	a	52.47		45.63		36.68		22.92		44.43
1935	18.10	a	26.14		29.19		39.73		49.81		56.68		61.42		59.73	a	55.47		42.86	b	26.62		21.98		40.65
1936	19.29		4.71		30.26		45.37		54.32	a	56.97	a	62.23		62.29	b	52.72	a	46.71		28.58		24.97	a	40.70
1937	3.60	a	18.34		35.29		41.15		50.00		56.66	a	63.15	a	57.90		55.77		46.06		33.57	a	23.06		40.38
1938	18.70	h	23.93		31.93	b	42.45		50.65	a	58.91	a	64.76		58.76		58.90		44.68		30.72		21.39		44.28	a
1939	25.69		22.56	c	33.53		46.42		52.00		55.88	a	64.05	a	63.35		55.50		45.61		34.98		28.60	a	44.02
1940	23.33	a	27.83		37.55	a	46.33		52.32	a	60.33		63.47		61.06		58.73		46.37	a	27.17		23.03		43.96
1941	23.08		27.55		39.03		47.18		50.65		56.73	b	64.90		60.90	a	50.31	a	43.76		34.40		22.40		43.41
1942	17.73	a	26.02		32.48		45.32		49.23	a	54.68		63.16		63.44		56.14	b	45.18		25.95	a	19.92		41.60
1943	9.85		25.00		27.53		44.55	a	46.64	c	53.66	a	61.29		59.10	a	55.70		44.55		33.17		22.03		40.26
1944	19.66		24.10		31.85		44.28		50.55		58.66	a	64.07	d	59.81	b	57.43	c	48.60		32.75		18.31		42.51
1945	23.45	a	28.46		32.34		40.73		51.60		55.93		63.63		63.40		53.48		46.18	a	27.79	a	20.48		42.29
1946	21.31		23.29		34.76		43.12	a	54.19		53.83	a	61.11		61.40		52.69	a	39.98	c	26.05		21.92	e	41.14
1947	16.32		24.84		35.77		44.70	c	54.33	a	55.42		60.78	b	58.36	b	55.00		43.45	a	32.21	a	24.26		42.12
1948	-----	z	-----	z	-----	z	-----	z	-----	z	60.25		59.50	a	58.60	a	51.57		40.16		29.50		12.66		44.61	e
1949	4.55		16.34		32.50		43.87		53.26		54.37		61.27		62.08		56.07		41.68		38.10	f	21.27		40.66	a
1950	3.39	d	-----	z	-----	z	-----	z	-----	z	58.20		62.98		62.61		56.45		41.97	a	30.97		30.94	n	45.22	e
1951	18.21		22.77		27.32		41.53		50.92		57.07		63.74		62.15		54.73		43.27		30.57		12.85		40.43
1952	13.50		23.33		32.02		45.38		51.98		57.02		64.81		63.52		59.05		49.39		29.90		25.21		42.92
1953	27.56		26.91		36.06		43.09	a	50.25	a	53.68		62.59	b	62.82		56.32		47.00		34.84	a	27.44		44.05
1954	16.74		28.86		30.13		39.63		51.65		53.78		61.90		59.45		54.76	a	41.35	a	38.12		20.21		41.38
1955	18.22	a	21.45		24.69		37.17	a	47.90	b	57.65		62.55	a	61.47		55.45	a	42.10		22.17	a	14.43	a	38.77
1956	19.23		13.59	a	27.55	a	43.52		54.02		55.69	a	66.62	a	63.78	a	56.03	a	42.11		26.93		21.16		40.85
1957	6.89		21.44	a	32.95		44.76	e	56.37	a	59.27		61.92	g	58.53		58.77		43.08		32.13	d	-----	z	41.42	b
1958	24.16		33.75		34.78	a	43.13		57.19		-----	z	67.00	k	67.66	b	54.28		45.21		25.78		22.89		40.88	b
1959	18.82	a	22.73		33.32		43.76	a	49.16	b	56.97	a	-----	z	56.03	n	52.64	a	42.85	a	28.85		22.02		37.11	b
1960	18.06		25.41		31.92		43.75		49.71		58.00		67.18		60.03	b	54.63	c	-----	z	-----	z	-----	z	45.41	c
1961	22.29		30.68		34.58		44.34	a	52.10		62.37		67.55	a	68.35		51.77	b	41.10		25.81	a	19.80	a	43.39
1962	18.31		30.55		32.71		-----	z	49.21		57.45		63.58		62.02	b	58.57		46.56		35.37	c	25.70	c	43.64	a
1963	20.80	a	31.48	a	39.48		42.00		51.13		-----	z	-----	z	-----	z	-----	z	-----	z	35.40	i	26.15	e	35.17	f
1964	26.61	d	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	26.61	k
Period of Record Statistics
MEAN	17.70		23.92		33.20		43.54		51.05		57.04		63.08		61.96		54.51		44.09		30.75		21.11		41.79
S.D.	6.28		5.59		3.50		2.62		2.44		2.12		1.94		2.24		2.50		2.13		3.53		3.93		1.44
SKEW	-0.90		-0.77		-0.27		0.18		0.32		0.33		-0.01		0.60		-0.06		0.06		-0.11		-0.36		0.21
MAX	27.56		33.75		40.05		50.42		57.19		62.37		67.55		68.35		59.77		49.39		38.12		28.63		44.58
MIN	3.39		4.71		24.69		37.17		46.56		53.66		58.58		57.90		48.95		39.98		22.17		12.66		38.77
YRS	52		51		51		50		51		51		49		51		52		51		50		50		43