UMATILLA, OR

Minimum of Minimum Temperature (Degrees Fahrenheit)

(358734)

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
1892	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1893	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1894	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1895	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1896	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1897	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1898	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1899	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1900	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	42.00		41.00	a	48.00		47.00		36.00		34.00	a	25.00		25.00	a	-----	z
1903	18.00	b	14.00		22.00		28.00	a	38.00		48.00		49.00		49.00	a	35.00		29.00		27.00		20.00		14.00	d
1904	21.00		15.00		28.00		30.00		34.00		41.00		50.00		49.00		41.00		32.00		24.00		20.00		15.00
1905	11.00		8.00	b	30.00		31.00		34.00		48.00		53.00		45.00		39.00		21.00		19.00		23.00		8.00	b
1906	20.00		23.00	a	11.00	a	30.00	a	-----	z	-----	z	59.00	d	50.00		40.00		26.00		20.00	e	-----	z	-----	z
1907	-5.00		19.00		30.00	a	20.00		40.00	b	50.00	a	49.00		-----	z	40.00		30.00	c	25.00		20.00		-----	z
1908	11.00		5.00		23.00		28.00		29.00		32.00	b	39.00		44.00		30.00		20.00		23.00		16.00		5.00	b
1909	-23.00	a	20.00	b	25.00		25.00	a	35.00		40.00	a	42.00	c	43.00	a	39.00		35.00	p	10.00	a	19.00	x	-----	z
1910	7.00	b	15.00		27.00		32.00		38.00		42.00		54.00		43.00		37.00		22.00		21.00		25.00		7.00	b
1911	6.00		11.00		15.00		25.00		38.00		40.00		53.00		50.00		36.00		22.00		19.00		17.00		6.00
1912	-9.00		22.00		20.00		32.00	a	43.00		48.00		51.00		45.00		38.00		29.00		25.00		18.00		-9.00	a
1913	3.00		2.00		24.00		30.00		36.00		48.00		47.00		47.00		37.00		32.00		31.00	a	12.00		2.00	a
1914	26.00		15.00		28.00	a	32.00		40.00		44.00	a	49.00		50.00		41.00		35.00		26.00		4.00		4.00	b
1915	20.00		22.00	a	29.00		33.00		35.00		48.00		51.00		55.00		40.00		33.00		24.00		11.00	a	11.00	b
1916	-18.00	b	12.00		28.00		35.00		33.00		42.00		49.00		45.00		35.00		25.00		10.00		5.00		-18.00	b
1917	8.00		12.00		13.00		32.00		36.00		45.00		46.00		51.00		41.00		25.00		23.00		21.00	b	8.00	b
1918	7.00		17.00		19.00		25.00		36.00		44.00		50.00		51.00	a	42.00		33.00		20.00		9.00		7.00	a
1919	6.00		20.00		28.00		31.00		35.00		35.00		47.00		49.00		33.00		23.00	a	9.00		-16.00	c	-16.00	d
1920	15.00		22.00		22.00		31.00		37.00		41.00		49.00		42.00		40.00		32.00		19.00		20.00		15.00
1921	18.00		18.00		28.00		27.00		36.00		49.00		47.00		46.00		30.00		28.00		18.00		10.00		10.00
1922	-15.00		4.00		18.00		29.00		30.00		49.00		53.00		49.00		40.00		27.00		20.00		-3.00	a	-15.00	a
1923	13.00	a	-0.00		24.00		33.00	a	36.00		45.00		50.00		53.00		37.00		26.00		24.00		11.00		-0.00	b
1924	-3.00	a	24.00		23.00		27.00		36.00		48.00		48.00		43.00		35.00	a	33.00		20.00	a	-9.00	c	-9.00	f
1925	22.00		26.00		27.00		34.00		38.00		40.00		51.00		43.00		38.00		29.00	c	21.00		29.00		21.00	c
1926	27.00		27.00		23.00		34.00		33.00		45.00		49.00	b	49.00		25.00		28.00		28.00		-1.00	a	-1.00	c
1927	-15.00	b	23.00		27.00		20.00		38.00		47.00		50.00		49.00		42.00		30.00		27.00	a	3.00	b	-15.00	e
1928	7.00		21.00		20.00	a	25.00		32.00		44.00		51.00		45.00	a	38.00		23.00		23.00	a	-----	z	-----	z
1929	-----	z	-----	z	21.00	b	28.00	a	30.00	a	39.00		47.00	b	44.00	a	35.00	a	34.00	v	-----	z	-----	z	-----	z
1930	-----	z	-----	z	20.00	a	25.00	b	37.00		40.00	c	48.00		46.00		41.00		25.00		23.00	d	22.00		-----	z
1931	20.00		22.00		19.00		28.00		37.00		45.00		46.00		49.00		40.00		29.00		11.00		8.00	b	8.00	b
1932	14.00	a	-9.00		24.00		31.00		35.00		46.00		46.00		48.00		35.00		29.00	f	23.00	b	-8.00	f	-9.00	o
1933	7.00	a	-10.00	b	24.00		28.00		36.00		45.00	a	48.00		48.00	a	35.00		28.00		25.00		22.00	b	-10.00	g
1934	26.00		28.00		26.00		32.00	a	39.00	a	46.00		49.00		48.00		31.00	b	29.00		31.00		27.00		26.00	d
1935	-0.00		20.00	a	21.00		21.00		36.00		47.00		48.00	a	44.00		37.00		12.00	a	6.00	a	24.00		-0.00	d
1936	13.00		-10.00		27.00		22.00		40.00		48.00		52.00		50.00		34.00		27.00		13.00		19.00		-10.00
1937	-14.00		1.00	a	30.00		33.00		33.00		46.00	a	53.00		42.00		35.00		34.00	a	28.00		24.00		-14.00	c
1938	21.00		11.00		24.00		26.00		33.00		41.00		53.00		47.00		44.00		28.00		14.00	a	12.00		11.00	a
1939	22.00		9.00		23.00		26.00		38.00		41.00		49.00		45.00		37.00		30.00		21.00		22.00		9.00
1940	15.00		26.00		28.00		35.00		36.00		48.00		52.00	a	50.00	m	45.00		35.00		16.00		12.00		12.00	n
1941	21.00		23.00		19.00		29.00		36.00	a	41.00	a	56.00		50.00		39.00		32.00		24.00		18.00		18.00	b
1942	-4.00		17.00		23.00		34.00		34.00		43.00		52.00		47.00		36.00	a	26.00		27.00		21.00		-4.00	a
1943	-6.00		14.00		14.00		33.00		34.00		41.00		45.00		47.00		39.00		28.00		26.00		18.00		-6.00
1944	18.00		20.00		13.00		30.00		34.00		42.00		44.00		44.00		38.00		33.00		22.00		18.00		13.00
1945	21.00		18.00		15.00		24.00		43.00		39.00		48.00		42.00	a	33.00		27.00		22.00		3.00		3.00	a
1946	18.00		19.00	b	26.00		26.00		34.00		43.00		46.00		44.00	a	33.00	a	22.00		20.00		11.00		11.00	d
1947	-6.00		15.00		20.00		32.00		39.00	a	45.00		50.00		46.00		38.00		-----	z	23.00		23.00		-----	z
1948	13.00		-0.00	a	17.00		29.00		33.00		54.00		47.00	b	46.00		33.00		22.00		20.00		8.00		-0.00	c
1949	-10.00		11.00		24.00		30.00		36.00		41.00		50.00		47.00		36.00		19.00		26.00		16.00		-10.00
1950	-14.00	a	-17.00	c	21.00		26.00		34.00	a	44.00		50.00		50.00		34.00		25.00		22.00		27.00		-17.00	e
1951	2.00		6.00		18.00		22.00		35.00		38.00		52.00		46.00		34.00		21.00		17.00		12.00		2.00
1952	2.00		22.00		22.00		26.00		39.00		43.00		47.00		44.00		41.00		29.00		15.00		17.00		2.00
1953	26.00		23.00		26.00	g	28.00		37.00	a	44.00		49.00		50.00		38.00	a	30.00		24.00		25.00		23.00	i
1954	-5.00		28.00		14.00		28.00		26.00		41.00		36.00		42.00		32.00		26.00		21.00		16.00		-5.00
1955	17.00		17.00		10.00		27.00		36.00		46.00		44.00		44.00		36.00		31.00		-6.00	a	12.00		-6.00	a
1956	-2.00		-6.00		18.00		27.00		36.00	a	44.00		49.00		47.00		38.00		32.00		18.00		11.00		-6.00	a
1957	-22.00	a	12.00		30.00		34.00		47.00		50.00	a	49.00		48.00		34.00		31.00		21.00	a	24.00		-22.00	c
1958	18.00		26.00		21.00		33.00		36.00		47.00		48.00		51.00		36.00		22.00		14.00		24.00		14.00
1959	-0.00		24.00		25.00		28.00		35.00		44.00		46.00		47.00	a	41.00		27.00		10.00		19.00		-0.00	a
1960	9.00		9.00		10.00		28.00		38.00		44.00		49.00		45.00	b	37.00		31.00		24.00		19.00		9.00	b
1961	20.00		30.00		28.00		28.00		39.00		47.00		51.00		54.00		35.00		26.00		11.00		7.00		7.00
1962	-4.00	b	10.00		19.00		33.00	b	34.00		42.00		42.00		47.00		39.00		35.00		19.00	b	16.00		-4.00	f
1963	-3.00		19.00		23.00		28.00		39.00		47.00		47.00		50.00	a	41.00		27.00		21.00	b	14.00		-3.00	c
1964	23.00		20.00		25.00		26.00		35.00		44.00		50.00		42.00	a	39.00	a	27.00		24.00		-7.00		-7.00	b
1965	19.00		22.00		15.00		31.00		36.00		47.00		49.00		43.00		31.00	f	33.00	e	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	7.43		14.54		22.08		28.79		36.08		44.08		48.77		46.87		37.05		27.77		20.27		14.72		2.43
S.D.	13.47		10.52		5.31		3.71		3.36		3.81		3.62		3.13		3.59		4.62		6.46		9.45		10.64
SKEW	-0.50		-1.06		-0.50		-0.40		0.17		-0.38		-0.63		0.31		-0.54		-0.71		-1.39		-1.10		-0.23
MAX	27.00		30.00		30.00		35.00		47.00		54.00		59.00		55.00		45.00		35.00		31.00		29.00		26.00
MIN	-23.00		-17.00		10.00		20.00		26.00		32.00		36.00		42.00		25.00		12.00		-6.00		-16.00		-22.00
YRS	61		61		62		63		63		63		64		62		63		60		62		58		47