SUNNYSIDE, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(458207)

File last updated on April 25, 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
1894	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	73.76	m	63.39		-----	z	37.16		50.27	j
1895	36.45		47.32		57.61		69.87		73.65		85.07		87.97		88.00		71.13		69.10		49.90		42.63	a	64.89
1896	40.42		51.79		54.97		63.13		70.06		83.57		94.71		89.68		76.10		64.77		40.20		41.55		64.25
1897	36.26		45.50		51.16		72.67		81.90		82.87		86.48		93.32		75.87		65.10		47.53		37.94		64.72
1898	35.42		51.14		55.87		67.73		74.68		81.50		90.16		92.48		78.57		63.39		46.47		35.03		64.37
1899	37.94		40.29		55.77		65.07		69.52		79.50		90.40	a	79.71		81.20		61.19		55.20		41.45		63.10
1900	44.39		43.93		61.32		66.60		74.55		83.37		89.03		80.65		72.77		61.32		45.50		45.87		64.11
1901	38.10		41.78	a	56.23		63.07	a	74.26		75.13		85.26		91.16		70.20		70.52		52.27		40.81		63.23
1902	36.00		44.00		55.03	a	61.40		70.16		78.43		83.06		84.87		76.24	a	66.10		48.31	a	35.74		61.61
1903	40.68		41.54		53.35		61.86	a	73.26		83.57		83.13		82.20	a	72.48	a	64.26		45.81	c	35.23	a	61.45
1904	42.23		42.28		49.42		67.27		72.10	a	79.67		83.87		87.13		78.47		65.20	a	55.59	c	40.90	a	63.68
1905	38.60	f	43.44	a	60.43	a	67.47		69.80	a	77.70		89.23		84.52		76.07		55.42		-----	z	35.48		65.96	b
1906	47.64	t	44.11		51.87		69.87		71.57	a	75.90		93.52		85.90		76.21	a	66.61		48.38	a	37.65		65.60	a
1907	29.42		-----	z	-----	z	64.12	v	-----	z	-----	z	-----	z	-----	z	75.23		70.81		54.27		-----	z	57.43	h
1908	-----	z	-----	z	-----	z	-----	z	70.38	o	79.10		89.26		89.26		81.97	a	65.48		55.33		38.94		71.33	e
1909	31.03		49.11		60.16		65.83		72.32		83.10		86.45		87.70	a	80.87		66.29		52.34	a	33.39		64.05
1910	37.90		40.86		64.61		71.69	a	80.73	a	81.73		92.26		86.16		77.33		68.00	a	48.73		41.23		65.94
1911	40.35		43.43		62.20	a	67.73		70.39		83.07	a	92.13		87.39		72.70		65.84		52.93		41.84		65.00
1912	35.14	c	49.45		54.97		66.13		76.53	a	85.53		86.87		83.74		76.33		61.23		51.67		43.65		64.27
1913	36.62	b	38.29		54.83	b	68.13		74.06		82.63		88.74		89.29		78.23		62.65		51.73		36.45		63.47
1914	45.19		43.36		61.83	a	68.13		78.26		81.20		92.45		90.94		74.87		67.06		52.33		31.58		65.60
1915	33.68		48.07		62.39		73.33		73.87		85.77		90.35		96.26		80.80		72.00		51.23		43.90		67.64
1916	29.58		44.24		61.16		71.50		74.65		83.07		85.32		92.14	b	81.20		69.74		45.00		33.52		64.26
1917	39.77		45.00		52.97		62.23		74.00	a	82.27		93.71		93.94		82.00		73.13		54.67		53.13		67.23
1918	47.35		47.46		60.94		72.77		75.58		90.03		91.00		86.60	a	86.93	b	70.39		53.73		45.17	a	69.00
1919	43.87		48.52	a	60.77		70.43		76.97		82.67		93.30	a	91.50	a	79.90		65.68		50.63		29.10		66.11
1920	36.20	a	48.90		58.68		63.63		73.26		80.76	a	94.84		90.90	a	80.03		66.35		52.80		43.52		65.82
1921	43.61		48.29		61.10	a	66.67		78.16		85.43		90.65		91.32		75.87		71.35		52.00		39.35		66.98
1922	28.68		42.64		56.13		65.86	a	76.00	a	91.40		95.00		90.58		84.76	a	69.71		45.80		35.87		65.20
1923	48.10		42.11		61.48		70.90		77.10		82.50		92.00		91.90	a	84.17		67.45		56.13		44.48		68.19
1924	37.47	a	56.00		60.74		71.80		85.90		86.03	a	92.33	a	89.90	a	82.23		67.65		47.53		35.10		67.72
1925	46.35		55.39		63.45		74.30		79.48		84.67		94.58		89.10		79.53		67.97		48.70		44.03		68.96
1926	38.80	a	54.56	a	67.06		76.37		75.42		88.30		93.65		87.87	a	75.33		68.81		52.50		37.55		68.02
1927	35.90		49.25		58.10		66.63		72.10		83.97		91.93	a	90.03	b	75.77		66.87		54.70		39.42		65.39
1928	34.61		48.62		61.81		65.18	b	82.80	a	82.23		92.52		89.13		81.83		67.68		50.17		38.10		66.22
1929	26.10		35.39		60.13		64.90		76.97		81.59	a	90.26		92.30	a	78.25	b	72.03		51.03		43.73	a	64.39
1930	24.29		51.82		62.94		74.22	c	74.45		81.63		92.39		91.65		79.73		64.23	a	49.55	a	37.55		65.37
1931	41.55	b	51.00	a	59.39		69.27		82.77		81.73		94.29		92.29		80.60		68.32		47.67		32.74		66.80
1932	36.84		45.31		56.52		68.43		75.39		88.40		86.50	a	87.97		82.13		66.29		54.00	a	40.52	b	65.69
1933	43.97		41.22	a	55.74		67.59	a	69.48		83.33		92.03		90.97		73.55	a	72.03	a	50.90		49.41	b	65.85
1934	48.86	b	53.68		66.45		76.28	a	79.40	a	84.70		90.13		90.81		78.55	a	67.45		54.14	a	44.00	a	69.54
1935	41.13		48.14		56.39		64.73		76.97		82.90	a	89.90		87.84		84.63		65.23	a	43.87		34.97		64.72
1936	41.83	b	32.26	b	56.55		71.83		80.67	a	83.93	b	90.77		90.03		80.53		73.81		46.40		43.39	c	66.00
1937	24.52		41.79		58.13		63.47		76.23		81.43		92.39		85.67	a	80.53		70.93	a	53.93	c	41.59	b	64.22
1938	41.67	a	43.54		56.55		68.20		76.68		85.23		93.74		87.55		85.40		66.81		49.40		45.10		66.65
1939	44.83	b	45.93	a	59.16		70.27		77.39		79.07		90.58		91.10		81.40		67.71		55.07		46.87	a	67.45
1940	35.90	a	46.52		62.32		67.23		78.45		87.23		88.87		89.39		81.55	a	67.71		43.34	a	40.90	a	65.79
1941	38.74		49.71		64.77		69.60		72.77		80.34	a	93.74		85.29		73.59	a	63.87		54.03	a	45.00	c	65.96
1942	29.87	a	47.00		58.61		68.03		71.94		78.79	b	90.81		91.52		82.90		70.19		45.20		38.87	a	64.48
1943	31.96	c	46.39		55.23		67.93		70.19		78.07		89.74		84.52		84.37		64.77		46.97		39.10	a	63.27
1944	39.03		47.14		56.42		65.90		74.74		80.80		89.74		86.52		82.50		72.45		46.77		35.81		64.82
1945	42.00	b	50.00		54.61		64.43		75.97	a	80.43		91.42		89.94		77.03		69.58		49.03	a	38.37	a	65.23
1946	46.10	b	51.68		57.20	a	67.30		78.35		77.79	a	88.20	a	88.23		75.80		62.55	b	48.57	b	45.03	b	65.57
1947	40.52		52.73	b	63.20	a	70.00		81.71		78.62	a	87.42		85.68		79.93		63.84		51.23		42.23		66.43
1948	42.60	a	43.57	a	53.97	a	61.47		69.53	a	84.47		85.03		84.55		78.52	a	66.58		50.13		37.52		63.16
1949	29.68		43.11		55.74		71.30		79.48		82.03		87.90		87.42		81.77		64.77		56.10		45.65		65.41
1950	26.35		41.54		54.13		62.73		73.74		78.93		90.29		90.26		83.73		62.39		50.63		44.13		63.24
1951	42.74		48.32		52.87		71.20		75.35		82.43		91.23		88.68		81.57		64.77		50.07		38.16		65.62
1952	33.84		48.97		56.94		71.58	d	76.06		80.13		93.94		88.68		86.17		74.90		45.20		40.03		66.37
1953	51.65		54.43		59.29		63.30		71.90		75.87		90.03		86.61		83.77		69.87		54.47		48.61		67.48
1954	40.32		45.54		55.68		64.83		76.06		76.87		86.61		83.52		78.70		64.23		55.69	a	43.13		64.26
1955	37.58		48.36		52.23		59.17		69.68		83.53		84.39		90.00		79.13		66.26		42.07		37.23	a	62.47
1956	40.39		34.93		55.13		70.93		77.81		79.00		91.87		88.52		82.17		64.90		46.60		42.16		64.53
1957	27.42		45.14		55.00		67.03		77.84		84.30		86.10		84.35		81.97		61.68		52.50		46.80	a	64.18
1958	46.26		54.36		56.06		63.30		82.55		85.67		93.48		92.94		78.27		69.13		51.72	a	42.42		68.01
1959	40.77	a	45.79		58.19		67.80		70.10		81.17		90.61		85.81		74.80		67.06		50.47		41.42		64.50
1960	31.55		48.83		56.32		65.83		71.29		83.27		94.74		84.84		80.60		68.97		54.17		35.58		64.67
1961	42.19		53.11		57.19		64.90		72.16		87.60		92.16		92.52		76.67		65.83	a	47.43		44.45		66.35
1962	41.77		48.07		53.42		69.83		67.94		81.23		88.29		84.10		81.10		65.32		53.13		43.58		64.82
1963	37.35		46.82		59.35		60.73		74.32		81.37		83.55		87.77		84.57		68.55		53.67		36.26		64.53
1964	47.00		53.31		55.87		64.17		71.81		78.87		87.94		82.55		77.53		67.55		46.33		36.45		64.11
1965	38.81		53.21		57.84		68.73		73.81		81.57		90.10		87.45		78.07		71.48		53.40		43.41	b	66.49
1966	42.19		50.96		58.39		68.93		77.16		78.50		85.16		88.77		81.87		67.35		54.76	a	46.37	a	66.70
1967	50.48		56.79		57.58		59.40		74.68		85.23		92.45		95.65		87.27		67.71		53.73		45.45		68.87
1968	46.06		54.89	a	62.00		64.33		74.90		82.37		91.29		81.90		79.17		62.77		50.37		40.10		65.85
1969	29.03		40.39		58.74		64.07		76.84		86.03		87.03		85.29		78.70		63.06		52.37		38.52		63.34
1970	36.68		51.21		57.58		61.40		74.58		86.07		90.65		89.29		73.90		65.26		50.10		39.74		64.70
1971	47.42		51.29		51.71		63.67		76.29		75.50		91.13		93.23		73.67		64.29		50.77		41.23		65.01
1972	40.16		43.69		58.84		62.53		75.74		82.13		87.65		90.39		74.73		67.32		49.47		36.90		64.13
1973	39.26		47.14		59.32		67.63		76.84		81.80		91.00		88.45		78.50		64.77		46.17		45.00		65.49
1974	38.06		51.71		57.35		64.27		70.42		86.20		86.90		89.68		83.73		68.84		51.73		45.16		66.17
1975	42.35		43.96		53.74		60.63		73.81		80.47		91.32		83.77		82.30		63.97		51.80		43.65		64.31
1976	44.42		48.93		55.74		62.77		75.10		78.10		86.55		82.71		82.17		67.97		53.93		39.39		64.81
1977	31.00		51.43		57.06		72.30		69.94		86.20		87.35		92.77		74.17		67.29		49.90		43.71		65.26
1978	38.65		47.61		60.74		64.43		71.84		83.83		88.58		86.29		75.53		69.55		43.97		41.10		64.34
1979	23.16		44.25		60.65		65.60		77.77		84.67		90.26		88.23		83.37		69.94		42.27		42.77		64.41
1980	31.84		39.69		57.19		69.30		73.55		77.07		89.19		85.48		79.60		67.77		50.83		43.16		63.72
1981	43.35		48.64		62.65		65.97		73.61		77.97		87.23		93.06		81.17		65.58		54.70		40.55		66.21
1982	36.26		49.57		58.39		62.77		73.94		85.37		87.39		88.16		77.33		64.55		47.17		39.94		64.23
1983	46.26		49.82		60.10		66.13		78.77	a	80.70		84.10	a	88.32		76.23		66.74		53.21	a	29.35		64.98
1984	40.03		47.34		60.13		63.03		70.29		78.70		91.42		89.90		76.23		64.29		47.97		35.94		63.77
1985	31.55		42.50		58.74		70.10		77.77	a	83.77		97.00		86.32		74.10		65.58		37.24	a	26.90		62.63
1986	40.84		49.64		62.39		66.67		75.68		88.67		85.03		93.42		72.47		68.71		49.27		34.87		65.64
1987	37.57	a	48.93	a	57.03		71.20		78.68		85.32	b	86.71	c	89.42		85.50		72.48		55.20		37.77		67.15
1988	39.10		54.72		60.06		68.52	a	75.50	a	80.90		91.23		91.39		81.48	a	75.84		55.14	a	39.23	a	67.76
1989	46.81		37.93		54.47	a	70.90	a	75.45		85.80		88.10		86.03		82.30		67.10	b	54.60		37.16		65.55
1990	48.00		50.07		61.77		72.13		72.94		81.43		94.00	c	88.71		86.77		65.10		56.87		36.41	d	67.85
1991	39.50	a	51.74	i	-----	z	-----	z	72.00		76.07		90.68		90.54	c	84.13		68.52		48.79	a	43.55		68.20	c
1992	43.94		50.97		64.55		69.00		81.39		88.57		88.48	b	90.16		77.00		68.55		47.83		37.74		67.35
1993	31.10	a	39.86		51.55		64.33		79.94		80.60		81.87		86.26		81.93		69.68		52.12	f	40.03		64.29	a
1994	45.97		43.39		62.03		70.33		76.97		81.87		94.35		89.68		84.67		67.48		48.97		43.47	a	67.43
1995	38.94		54.36		57.65		64.67		76.84		79.97		89.16		84.68		83.57		65.48		53.80		39.81		65.74
1996	39.16		43.62		57.71		66.63		69.68	c	82.13		93.29		90.00	c	77.70		64.93	a	48.13		-----	z	66.64	a
1997	-----	z	-----	z	58.87		64.73		78.61		80.67		88.26		90.23		79.27		65.35		52.50		40.58		69.91	b
1998	42.03		51.07		59.61		66.50		73.71		82.80		95.26		91.55		85.73		67.23		-----	z	-----	z	71.55	b
1999	-----	z	-----	z	-----	z	-----	z	-----	z	82.07		89.06		89.58		-----	z	67.57	a	58.86	a	47.57	a	72.45	f
2000	41.94		48.90		59.52		71.57		76.10		84.63		90.77		90.81		79.57		67.13		44.87		36.29		66.01
2001	40.39		48.43		61.06		65.70		79.00		80.70		90.65		91.87		84.43		67.23		53.43		43.74		67.22
2002	46.55		52.64		54.00		67.70		74.42		85.30		94.19		89.58		82.70		68.35		53.80		42.32		67.63
2003	45.94		51.96		61.84		66.07		74.97		87.50		95.58		91.39		85.17		73.32		50.40		39.29		68.62
2004	34.71		47.41		65.52		70.33		75.45		84.37		92.65		90.58		79.97		69.68		54.20		44.87		67.48
2005	38.55		53.25		62.65		67.60		77.35		80.90		90.87		91.29		78.77		66.90		46.59	c	34.03		65.73
2006	45.90		48.79		56.45		65.97		75.97		82.57		95.35		90.97	a	83.65	d	68.68		52.47		35.55		66.86
2007	38.61		46.96		59.90		66.33		78.00		83.10		94.42		89.23		81.93		65.48		52.23		41.68		66.49
2008	38.32		51.62		56.74	d	61.93	a	74.63	a	80.76	a	90.94		88.81		81.00		66.58		52.97		33.45		64.81
2009	38.10		43.54		52.81		64.83		75.26		85.43		93.41	b	90.71		82.37		59.06		50.92	d	30.97		63.95
2010	40.84		49.07		57.90		62.00		66.48		77.40		86.71		84.55		74.33		63.32		45.20		39.06		62.24
2011	40.48		45.11		52.35		58.13		67.29		75.77		82.39		86.74		80.67		61.94		49.20		37.65		61.48
2012	41.00		47.14		54.81		64.33		70.52		75.20		88.10		87.94		79.50		63.00		48.30		41.71		63.46
2013	33.71		50.43		56.77		64.10		72.03		77.30		91.61		-----	z	-----	z	-----	z	-----	z	-----	z	63.71	e
2014	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	38.96		47.29		58.09		66.91		75.03		82.16		90.03		88.62		79.62		66.91		50.45		40.11		65.41
S.D.	5.96		4.76		3.54		3.72		3.60		3.36		3.26		3.15		3.81		3.26		3.85		4.48		1.71
SKEW	-0.49		-0.46		0.11		0.16		0.19		0.06		-0.35		-0.37		-0.22		-0.05		-0.62		-0.22		0.10
MAX	51.65		56.79		67.06		76.37		85.90		91.40		97.00		96.26		87.27		75.84		58.86		53.13		69.54
MIN	23.16		32.26		49.42		58.13		66.48		75.13		81.87		79.71		70.20		55.42		37.24		26.90		61.45
YRS	114		114		115		115		116		118		118		117		117		119		115		116		108