RIMROCK TIETON DAM, WA

Average of Average Temperature (Degrees Fahrenheit)

(457038)

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
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	68.96	h	64.08	a	56.66	b	51.95	t	40.79	b	37.79		49.83	h
1918	35.21		30.80		37.08		45.67	d	48.18		60.66	b	63.71	e	60.30	a	57.78	a	47.73		35.50		29.44		46.00
1919	29.76		29.79		36.89		43.98		49.73		54.10		64.28	a	61.35		52.95	a	41.76		34.55	b	19.22	b	43.20
1920	31.40	a	31.50	a	37.10		41.12		47.85	a	54.78		64.82	a	62.65		53.13		43.25	a	34.50		29.43	a	44.29
1921	26.56		32.67	a	38.60		40.98	a	49.33	b	55.79	d	58.92		59.95		48.40		45.97	a	34.80		27.76		43.31
1922	21.36	b	25.52		32.23		40.29	a	48.69	b	60.78	a	64.55	a	63.21	e	57.52	b	47.55		32.07		23.05		43.07
1923	29.40		27.54	a	36.27		44.22		51.02		56.17		64.95		62.84		56.63		45.71		39.05		29.89		45.31
1924	25.45		36.28		36.18		42.95		54.55		56.35		63.53		60.84		54.82		44.91	c	32.30		24.60	b	44.40
1925	31.55		35.55		37.87		46.90	a	52.29	n	58.00		66.06		61.82		55.28		47.00	b	34.93	b	33.19		46.20	a
1926	28.19		34.77		42.05		49.50	a	49.06		60.15		64.37	d	62.37	a	49.95		46.70	d	37.98	i	28.67	d	46.89	a
1927	25.73	e	30.50	a	35.26		43.53	l	46.45	a	57.56	m	63.06	f	62.24		52.45		45.82		39.05	a	-----	z	42.19	d
1928	27.50	d	31.07		37.65		40.47		53.85		55.30		64.74		60.82		56.05		46.85	a	35.52		26.48		44.69
1929	18.39		20.41	a	37.58		38.65		49.26		54.52		61.08	a	64.60		54.28		47.97		36.43		33.74		43.08
1930	-----	z	-----	z	-----	z	46.38		48.55		53.70		62.92		64.69		56.53		43.45		34.45		26.47		48.57	c
1931	28.24		30.34		36.32		43.53		52.77		55.85		63.79	c	61.13		54.13		44.81		31.98		22.88	a	43.82
1932	24.41	b	27.15	b	35.90	b	43.44	c	48.62	a	58.80	b	59.16	b	61.37	a	55.35		47.03	b	38.45	b	25.96	e	43.80
1933	28.28	b	24.56	d	33.40		42.09	a	44.81		54.68		62.65		62.67	a	50.76	a	49.04	c	40.20	c	34.87	d	44.00
1934	35.29	b	36.73		43.31		51.98	a	53.05	b	56.55		62.68	a	64.15		54.35	d	46.24		37.79	b	31.58		47.81
1935	26.47		32.71		32.63	a	41.15		49.66		57.09	b	62.18	a	60.65	a	59.25		47.07	d	32.82		28.94		44.22
1936	29.27	a	17.06	d	35.29	c	45.43		54.71	c	57.95	a	62.55		62.85		55.24	a	50.27	a	35.00		33.28	b	44.91
1937	13.21		27.67	a	37.21		43.28		50.87	a	57.25		64.32	a	59.92	a	57.00		49.34		39.12	b	33.05	b	44.35
1938	28.89	d	28.02		34.76		46.45		52.35	a	59.74	a	67.43	a	60.81		61.18		46.23	c	32.36	b	31.95	b	45.85
1939	32.52	b	27.29		36.76		46.07		51.73	c	53.69	a	64.45		63.71		56.43	a	46.73	a	38.36	a	33.57	a	45.94
1940	27.97	b	33.05		40.84		43.84	b	53.36	b	60.93		63.77		63.76		58.36	a	48.05		31.57	a	30.17	a	46.31
1941	29.32		32.98		41.21		46.20		49.77	a	56.07	a	66.87		61.77		51.82		45.00	a	37.43	a	29.40	b	45.65
1942	20.97		30.21		35.53		44.45		47.66		52.65		64.15		64.13		57.70		47.08		30.91	a	30.18		43.80
1943	18.73		31.30		33.03		44.78		47.28	a	52.45	a	63.50		59.55		58.12		46.47		35.93		29.00		43.35
1944	25.50	a	29.22		34.39		42.37		49.55		56.24	a	62.90		61.02	a	58.50		51.05	a	33.58		24.30	a	44.05
1945	30.12	b	33.04	c	33.18	a	40.42		50.89		54.53	a	64.23		63.19		53.37		48.62	b	32.80	b	27.12	a	44.29
1946	30.02		30.39		36.81	b	43.84	b	52.55		54.10	a	62.48		62.18	a	53.77		41.70	a	32.10		32.24	b	44.35
1947	26.02		33.32		40.69		45.32		55.16		54.46	c	60.42		59.42		56.42		44.23		35.54	d	30.89	d	45.16
1948	25.11		25.54	b	31.82	a	38.12		47.50	a	59.22		58.22	a	58.61		53.17		43.69		35.13		23.16		41.61
1949	13.31		26.87	a	36.02		45.72		53.65		55.78		61.27		61.87		56.93	a	44.65		41.85		30.05		44.00
1950	11.82		27.18		33.10		39.60		48.03		55.70		63.00		63.27		57.57		43.56		35.20		34.08		42.68
1951	25.81		29.43		32.03		45.07		49.98		58.08		63.65		62.02		57.27		45.55		33.63		25.10		43.97
1952	19.53		30.59		34.25	a	45.02		50.71		55.42		64.84		63.13		59.67		52.45		31.85		28.74		44.68
1953	36.15		34.55		37.50		41.17		47.92		51.47		63.39		61.89		56.70		47.98		38.87		34.90		46.04
1954	25.68		32.59		31.90		41.22		50.48		52.82		60.21		58.47		54.18		43.16		40.55		28.53		43.32
1955	28.87		30.57		29.71		37.62		46.53		56.57		59.76		61.69		55.87		45.74		27.93	a	24.66		42.13
1956	25.95		23.28		31.68		43.63		52.56		53.02		64.66		62.11		55.60		43.77		33.73		32.13		43.51
1957	17.13		29.12		35.58		44.47		54.55		58.90		61.21		59.21		59.48		42.98		35.68		33.82		44.35
1958	31.34		37.54	a	35.13		41.50		57.15		60.88		67.03		67.26		55.50	a	47.71		33.55		33.07	a	47.30
1959	28.13		30.36		36.34		43.65		46.53		56.63		64.47		60.15		53.10		46.84		35.17	a	30.34		44.31
1960	24.35		30.66		33.90		42.50		46.98		57.47		66.56		60.47		55.90		47.15		34.55		26.56		43.92
1961	29.32		35.23		37.13		42.00		47.71		61.38		64.76		67.13		50.93		43.34		30.68		28.50		44.84
1962	27.39		31.98		32.68		45.27		44.60		56.61	b	61.32		59.55		55.78		45.90		36.77		32.50	a	44.20
1963	25.31		37.62		37.56		39.85		48.66		55.48		58.32		61.31		59.73		47.03		36.02		27.39		44.52
1964	30.65		33.21		34.73		40.93		47.37		54.13		62.92		57.85		52.35		45.37		33.65		24.40		43.13
1965	28.76		34.93		36.00		44.47		48.11		56.40		62.89		61.87		51.82		48.85		38.53		27.82		45.04
1966	27.24		29.86		34.53		44.02		50.97		54.03		60.40		61.63		58.63		45.55		37.20		32.08		44.68
1967	33.77		35.59		35.31		37.85	f	49.29		59.30		65.08		67.19		61.45		45.66		36.05		28.92		47.06	a
1968	27.52		34.55		39.74		40.98		49.84		56.42		65.37		59.52		56.38		41.92		35.17		23.02		44.20
1969	16.13		25.43		35.13		42.28		53.08		62.02		61.47		60.45		55.58		42.56		37.02		27.89		43.25
1970	24.52		34.50	h	35.69		38.40		49.56		61.20		64.40		64.45		51.55		42.50	a	35.02		26.11		44.86	a
1971	30.37		33.64		31.15		40.08		50.76		52.25		63.89		67.06		49.80		43.05		35.08		28.42		43.80
1972	26.79		29.22		36.77		38.87		51.73	a	56.70		61.94		64.05		50.27		44.40		35.91	a	23.52		43.35
1973	25.26		31.61		37.24		42.83		50.94		56.52		64.44		61.68		55.50		44.27		30.40		31.76		44.37
1974	22.82		33.39		33.70	a	40.30		45.84		59.08		61.31		62.84		57.45		46.25	a	37.20		31.94		44.34
1975	27.89		26.98		32.87		37.53		48.45		54.57		65.77		58.76		55.45		42.68		33.17		31.61		42.98
1976	30.76		30.30	b	32.36	b	40.23		48.79	b	51.45		61.00		58.32		57.47		44.97		36.88		31.63		43.68
1977	23.58		32.41	e	35.00		45.13		44.16		58.76	a	61.25	o	66.42	m	51.43	o	-----	z	-----	z	-----	z	39.84	f
Period of Record Statistics
MEAN	26.39		30.61		35.64		42.90		49.89		56.47		63.19		61.96		55.42		45.82		35.29		29.18		44.29
S.D.	5.25		4.03		2.78		2.89		2.80		2.67		2.15		2.20		2.89		2.34		2.84		3.75		1.17
SKEW	-0.87		-0.81		0.47		0.39		0.29		0.22		-0.40		0.52		-0.29		0.36		0.04		-0.28		0.68
MAX	36.15		37.62		43.31		51.98		57.15		62.02		67.43		67.26		61.45		52.45		41.85		37.79		47.81
MIN	11.82		17.06		29.71		37.53		44.16		51.45		58.22		57.85		48.40		41.70		27.93		19.22		41.61
YRS	59		58		59		58		59		59		58		60		60		59		59		59		53