RIMROCK TIETON DAM, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(457038)

File last updated on April 19, 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	86.84		85.07	a	72.14	b	71.47	n	49.39	b	44.97		67.68	g
1918	42.77		40.43		47.03		60.11	c	60.90		77.43	b	81.55	b	75.77	a	75.90	a	58.23		42.83		36.61		58.30
1919	40.26		38.71		47.32		56.67		63.32		71.20		83.73	a	79.48		68.55	a	57.74		45.55	a	30.35		56.91
1920	40.63	a	44.64	a	46.90		52.70		66.53	a	69.97		83.93	a	81.61		68.17		56.61		44.27		36.55		57.71
1921	36.03		42.85	a	49.84		53.17	a	65.42		71.46	d	77.94		77.81		62.47		61.93	a	44.30		34.45		56.47
1922	31.31	b	35.68		41.45		51.17	a	62.10	b	78.00	a	83.29		79.70	a	74.66	a	60.58		38.23		31.61		55.65
1923	36.65		38.33	a	47.58		56.47		65.23		70.57		80.87		79.61		73.53		57.55		48.63		36.84		57.65
1924	33.45		44.17		46.23		54.87		71.13		69.80		79.77		76.48		71.23		56.27	a	39.83		31.58		56.23
1925	38.19		42.93		47.81		59.87		65.63	l	72.40		82.97		77.71		67.57		60.74		43.55	a	38.90		57.51	a
1926	34.90		42.46		55.84		62.87		60.81		75.93		81.41	b	77.74		63.20		57.67	a	45.39	b	37.43	a	57.97
1927	34.53	a	41.36		47.06		56.37	k	57.16		69.62	f	79.32	c	78.55		64.17		56.10		45.87		-----	z	56.01	c
1928	33.90		40.62		47.52		49.90		68.45		66.97		80.90		77.65		73.37		58.90		43.40		33.39		56.25
1929	29.00		31.61		46.06		49.23		62.84		65.87		77.35		83.10		69.53		62.77		49.50		41.58		55.70
1930	-----	z	-----	z	-----	z	59.80		59.90		65.77		79.94		81.32		70.30		55.13		44.03		33.16		61.04	c
1931	36.61		39.75		45.77		55.70		66.03		67.27		82.11	c	77.35		66.27		57.81		40.60		31.60	a	55.57
1932	33.83	b	38.48	b	43.31	b	53.93	c	60.27	a	74.14	b	73.59	b	76.67	a	72.87		59.10	b	46.36	b	34.42	e	55.58
1933	35.90	b	35.25	d	42.52		54.93	a	54.84		67.47		79.16		79.77	a	62.83	a	62.52	b	50.15	c	40.96	d	55.52
1934	42.55	b	46.64		55.61		65.21	a	67.13	a	71.03		78.70	a	81.61		67.78	c	55.26		43.24	a	37.06		59.32
1935	34.84		43.18		42.27	a	53.50		63.84		70.75	b	78.37	a	77.17	a	75.97		60.96	d	43.50		35.19		56.63
1936	37.03	a	28.12	c	45.41	b	58.20		68.36	c	70.83	a	78.81		80.06		72.37		66.90		48.17		40.17	b	57.87
1937	25.19		38.15	a	46.71		53.63		65.57	a	70.10		80.67	a	73.23	a	71.47		62.23		46.96	b	39.52	b	56.12
1938	36.59	d	36.71		44.10		60.77		66.73	a	74.55	a	84.17	a	76.52		77.30		58.18	c	41.04	b	39.79	b	58.04
1939	40.03	b	36.21		49.06		59.00		63.86	c	65.31	a	79.35		80.26		70.62	a	58.80	a	49.00	a	40.27	a	57.65
1940	35.76	b	40.38		51.29		54.46	b	67.67	a	75.47		76.94		79.68		71.59	a	57.55		38.79	a	37.00	a	57.21
1941	35.52		43.11		54.55		58.83		60.13	a	68.21	a	82.61		75.10		61.93		55.80	a	46.66	a	35.66	b	56.51
1942	29.77		39.00		46.32		57.23		59.00		63.97		80.39		81.03		74.67		61.94		37.57		38.29		55.76
1943	29.03		40.07		43.19		56.17		58.16		64.47		79.06		74.71		76.07		58.10		43.50		36.87		54.95
1944	34.90		38.45		44.97		53.47		61.71		67.53		78.06		75.43	a	73.13		65.65		40.90		31.93	a	55.51
1945	37.59	b	41.60	c	42.32		50.70		63.23		68.10	a	80.48		79.71		67.50		62.72	b	40.04	b	33.50	a	55.62
1946	37.97		39.46		45.63	a	56.29	b	66.97		65.55	a	77.19		79.43	a	66.90		52.73	a	41.43		40.03	b	55.80
1947	35.52		43.39		52.68		57.37		69.52		66.63	c	73.77		74.94		70.63		53.39		44.37	c	37.70	d	56.66
1948	34.90		36.19	b	41.40	a	47.73		58.40	a	73.37		72.63	a	72.42		67.80		56.29		42.37		30.97		52.87
1949	25.90		34.29		44.58		58.63		67.55		69.77		75.94		77.45		71.45	a	58.97		51.10		37.81		56.12
1950	20.94		35.86		41.03		48.87		60.10		67.43		78.29		80.26		74.87		51.97		42.13		39.13		53.41
1951	32.35		38.32		40.94		59.57		62.29		72.30		80.90		78.97		72.90		54.26		41.43		33.97		55.68
1952	27.26		39.55		44.10	a	58.63		63.81		67.17		81.29		78.94		77.13		69.26		41.37		34.35		56.90
1953	42.81		44.21		46.61		50.43		59.26		62.00		79.32		77.13		73.47		61.23		46.90		41.84		57.10
1954	32.61		41.11		42.90		51.80		63.23		63.63		75.74		72.65		67.87		55.16		48.40		35.94		54.25
1955	36.52		39.50		38.84		45.93		57.45		69.13		73.29		79.48		71.30		56.26		35.62	a	33.19		53.04
1956	33.19		33.21		41.61		56.97		66.45		65.43		81.87		78.94		71.50		54.97		42.43		39.45		55.50
1957	26.74		39.46		44.58		54.83		67.29		71.63		76.23		74.61		76.57		53.03		46.40		41.26		56.05
1958	37.74		44.75		45.13		51.73		72.68		74.20		84.81		84.97		68.90		61.65		42.70		40.10		59.11
1959	34.71		38.50		45.74		55.87		58.68		69.27		81.00		75.77		64.13		58.87		45.50		38.77		55.57
1960	32.16		39.72		45.90		53.47		57.77		71.73		85.71		74.71		72.83		60.52		42.70		35.68		56.08
1961	37.81		42.07		46.26		52.27		59.26		77.80		82.42		85.68		66.63		55.65		41.00		35.58		56.87
1962	37.10		41.46		42.90		57.97		55.52		71.50	b	78.16		75.10		73.87		58.29		45.27		39.60	a	56.39
1963	35.26		48.68		48.16		49.73		63.26		68.53		73.13		78.39		76.53		59.06		43.10		34.45		56.52
1964	37.68		44.55		43.77		51.97		60.65		66.80		78.00		72.39		68.07		59.35		40.80		31.58		54.63
1965	36.19		43.82		48.74		57.57		61.94		72.13		80.45		76.61		68.47		64.23		45.70		36.55		57.70
1966	35.42		40.07		46.29		57.97		66.84		67.10		76.23		79.32		74.60		59.68		46.03		37.87		57.28
1967	39.87		45.25		44.77		47.25	f	63.71		73.53		81.32		86.55		79.10		55.74		45.27		36.45		59.23	a
1968	35.39		45.69		49.77		52.53		63.19		70.27		82.65		72.48		70.40		53.03		42.17		30.16		55.64
1969	23.94		35.86		48.35		53.03		67.48		75.97		78.03		76.84		69.10		54.19		46.43		34.00		55.27
1970	32.06		42.95	h	46.10		48.03		63.81		75.77		79.87		82.10		65.30		55.57	a	42.10		33.45		56.74	a
1971	37.58		42.39		40.52		50.17		63.81		63.87		80.55		85.16		63.83		55.45		42.40		34.58		55.03
1972	33.71		37.41		46.90		48.83		65.52		69.30		78.13		80.74		63.87		59.65		41.87		30.52		54.70
1973	32.55		40.93		47.16		56.10		64.55		69.27		81.65		78.32		68.83		54.23		35.10		36.58		55.44
1974	30.42		41.25		43.19		49.23		56.90		74.53		76.03		79.23		75.30		61.42		42.93		37.84		55.69
1975	35.13		34.25		41.97		48.33		60.84		66.73		80.81		72.13		73.07		51.84		40.63		38.26		53.67
1976	38.13		37.67	b	42.76	b	49.90		61.90	b	64.13		75.94		71.03		72.20		59.35		45.63		39.74		54.87
1977	32.06		41.04	d	42.97		58.00		54.65		72.77		78.00	n	84.76	j	65.39	l	-----	z	-----	z	-----	z	50.25	f
Period of Record Statistics
MEAN	34.55		39.98		45.77		54.52		62.98		69.89		79.56		78.21		70.58		58.29		43.71		36.39		56.12
S.D.	4.51		3.84		3.56		4.19		4.06		3.91		3.14		3.52		4.24		3.68		3.41		3.35		1.37
SKEW	-0.75		-0.46		0.82		0.12		-0.00		0.19		-0.18		0.22		-0.23		0.55		-0.12		0.02		-0.07
MAX	42.81		48.68		55.84		65.21		72.68		78.00		86.84		86.55		79.10		69.26		51.10		44.97		59.32
MIN	20.94		28.12		38.84		45.93		54.65		62.00		72.63		71.03		61.93		51.84		35.10		30.16		52.87
YRS	59		58		59		58		59		59		60		60		60		59		60		59		54