UMATILLA, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(358734)

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
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	50.52		53.31	a	57.81		59.32		49.27		42.67	a	35.77		29.93	a	47.32	d
1903	31.59	b	24.29		33.42		37.76	a	47.16		58.43		59.23		59.33	a	49.97		41.23		36.73		29.97		42.42
1904	30.94		31.31		35.90		44.03		47.26		53.90		62.35		59.97		50.50		43.74		36.07		31.55		43.96
1905	29.29		26.50	b	38.26		42.17		47.90		56.27		63.13		60.35		52.30		39.03		27.87		30.10		42.76
1906	29.84		35.33	a	32.17	a	42.55	a	-----	z	-----	z	68.96	d	61.32		52.67		44.77		36.56	e	-----	z	44.91	c
1907	19.42		30.96		37.60	a	41.07		49.38	b	55.10	a	61.29		-----	z	50.13		43.82	c	33.90		32.39		41.37	a
1908	28.16		28.59		35.84		40.53		43.32		52.21	b	61.84		58.97		50.03		41.00		33.60		28.61		41.89
1909	15.43	a	33.19	b	35.19		39.41	a	46.68		54.24	a	56.71	c	53.73	a	52.17		42.67	p	36.00	a	24.71	x	42.28	b
1910	23.66	b	26.18		39.00		45.03		50.29		53.77		60.19		54.77		50.00		41.94		36.50		33.00		42.86
1911	26.71		26.11		33.87		37.97		46.10		56.13		62.39		58.00		49.50		37.32		31.90		27.77		41.15
1912	24.06		33.93		33.68		42.55	a	49.42		57.13		60.19		56.97		46.73		38.48		35.30		28.90		42.28
1913	23.74		22.29		34.19		41.47		46.81		57.23		60.68		59.84		48.73		40.97		38.00	a	27.35		41.77
1914	33.23		30.57		35.97	a	41.83		48.74		54.07	a	61.00		58.87		48.97		43.26		35.07		20.87		42.70
1915	26.61		33.11	a	37.84		44.23		50.39		55.10		60.97		62.84		49.43		43.77		35.20		29.20	a	44.06
1916	11.72	b	27.17		38.13		41.30		44.77		52.03		57.06		56.77		49.80		35.97		28.60		25.39		39.06
1917	25.29		29.21		31.10		40.47		47.13		52.50		60.74		58.35		52.90		41.19		35.37		36.41	b	42.56
1918	33.06		28.82		35.61		39.13		45.58		57.93		60.81		58.53	a	54.00		45.71		33.63		31.81		43.72
1919	24.26		31.32		36.45		40.80		47.84		51.33		59.58		59.58		49.10		37.53	a	31.37		17.50	c	40.56
1920	25.52		28.62		36.71		39.80		44.23		53.00		61.32		58.32		51.07		41.39		31.13		31.71		41.90
1921	30.16		33.00		36.35		39.53		46.45		56.63		56.16		57.48		47.03		40.32		30.67		25.55		41.61
1922	13.87		25.29		31.94		37.33		43.55		56.80		59.29		58.77		49.53		41.74		33.43		22.03	a	39.47
1923	32.77	a	21.82		33.90		41.28	a	47.90		54.10		61.03		59.35		50.40		41.65		34.90		29.45		42.38
1924	20.80	a	34.55		33.87		38.73		48.90		54.93		60.23		57.03		48.90	a	42.35		35.72	a	22.11	c	41.51
1925	31.68		36.43		36.13		44.23		49.94		56.03		60.26		57.10		50.57		38.79	c	31.37		35.39		43.99
1926	32.68		35.82		34.90		43.40		47.03		55.57		61.00	b	57.29		45.07		40.84		33.97		26.80	a	42.86
1927	23.79	b	33.79		31.81		37.07		45.65		54.87		58.87		57.74		49.47		39.35		36.76	a	22.72	b	40.99
1928	25.10		27.66		35.27	a	37.97		46.16		54.23		61.03		55.47	a	46.73		38.68		33.10	a	-----	z	41.94	a
1929	-----	z	-----	z	33.62	b	37.10	a	44.53	a	49.67		56.52	b	56.77	a	45.14	a	41.22	v	-----	z	-----	z	46.19	e
1930	-----	z	-----	z	31.37	a	38.96	b	46.81		50.11	c	59.13		57.90		50.20		37.87		29.92	d	28.71		43.10	b
1931	30.71		28.86		33.61		39.67		48.94		55.33		58.77		56.48		48.17		37.55		29.00		21.41	b	40.71
1932	25.47	a	24.83		37.19		40.80		45.94		53.77		56.06		56.26		45.90		39.40	f	35.50	b	20.68	f	42.17	b
1933	26.03	a	21.69	b	33.81		38.63		45.90		54.45	a	59.52		58.07	a	47.17		40.94		35.67		35.83	b	41.47
1934	32.71		33.68		37.90		46.97	a	51.93	a	55.47		59.32		57.45		48.54	b	43.65		38.27		33.03		44.91
1935	25.23		30.11	a	31.68		38.03		45.84		54.60		59.63	a	55.68		50.40		38.27	a	26.79	a	29.65		40.49
1936	32.00		13.76		33.68		44.17		51.55		57.10		60.87		58.55		46.10		37.06		21.40		29.06		40.44
1937	6.90		23.04	a	36.00		41.33		45.97		54.31	a	61.90		55.68		49.97		41.07	a	37.33		32.29		40.48
1938	30.58		29.50		33.71		39.63		45.42		54.90		61.52		55.48		53.20		40.71		29.34	a	27.45		41.79
1939	30.55		27.54		35.65		39.87		47.48		52.03		59.13		57.23		49.23		39.87		26.77		32.61		41.50
1940	26.48		33.52		36.48		41.50		46.71		54.70		60.80	a	55.17	m	53.60		43.06		28.57		26.97		41.13	a
1941	28.29		28.46		32.16		39.37		46.83	a	53.83	a	63.42		59.48		49.47		41.23		33.23		30.39		42.18
1942	18.68		29.00		29.19		40.17		46.55		51.87		59.45		58.29		45.83	a	39.13		33.77		30.71		40.22
1943	19.23		29.82		28.74		39.80		43.06		49.03		55.94		53.61		45.10		39.39		34.43		27.39		38.80
1944	24.42		27.76		28.00		37.90		44.81		51.50		56.68		53.10		48.20		40.13		32.53		28.45		39.46
1945	31.65		31.46		32.77		36.20		46.26		50.20		56.74		54.90	a	44.90		37.84		32.20		25.77		40.07
1946	26.00		28.35	b	33.32		36.83		44.68		51.37		55.65		53.30	a	46.55	a	35.55		27.47		27.39		38.87
1947	19.23		26.21		33.19		39.60		48.90	a	53.50		57.35		53.97		48.37		-----	z	34.47		30.16		40.45	a
1948	25.19		24.89	a	29.71		37.80		46.23		57.70		56.03	b	54.81		47.07		34.77		32.57		23.90		39.22
1949	7.16		25.68		34.39		40.03		49.94		51.60		60.94		59.13		47.97		31.87		34.40		28.61		39.31
1950	9.10	a	25.72	c	31.68		36.70		43.60	a	53.17		58.35		56.97		46.03		40.19		34.13		33.61		39.10
1951	27.71		26.14		28.94		34.33		43.87		50.77		58.03		55.39		45.63		40.29		30.60		23.61		38.78
1952	20.81		29.17		32.35		39.07		47.74		52.93		57.45		56.35		48.03		38.42		24.53		28.97		39.65
1953	36.06		30.75		36.12	g	40.90		45.90	a	51.47		57.29		58.68		50.00	a	39.19		34.87		33.06		43.47	a
1954	25.03		33.71		27.97		37.50		46.55		51.00		52.74		54.68		48.00		35.94		36.57		25.26		39.58
1955	27.61		25.96		28.45		37.27		45.55		53.67		57.71		54.65		49.07		41.13		27.69	a	26.77		39.63
1956	27.06		20.83		34.26		39.93		49.90	a	52.93		60.00		56.97		49.50		40.61		31.00		29.94		41.08
1957	11.23	a	26.96		36.29		40.90		52.29		56.45	a	58.16		56.16		50.50		41.77		29.07	a	31.48		40.94
1958	30.32		36.79		31.48		40.37		49.61		55.60		61.16		60.48		49.53		36.77		34.17		31.32		43.13
1959	27.65		30.36		34.06		39.80		44.81		54.60		58.19		54.43	a	50.03		39.87		25.17		26.58		40.46
1960	17.84		27.76		32.68		40.17		45.81		52.93		61.13		57.76	b	48.13		40.32		32.97		27.61		40.43
1961	30.45		36.61		36.58		40.83		47.19		57.20		61.23		62.26		46.57		37.74		24.87		29.32		42.57
1962	24.07	b	28.86		31.81		41.25	b	45.71		51.63		57.97		56.26		48.83		41.23		35.61	b	32.35		41.30
1963	19.03		31.79		32.81		40.47		47.03		54.87		56.39		57.57	a	52.73		42.81		35.71	b	28.42		41.63
1964	30.39		26.69		31.74		38.60		44.19		53.83		57.74		54.00	a	45.72	a	37.16		34.90		25.55		40.04
1965	31.29		31.96		28.45		41.70		45.65		53.73		59.13		59.23		43.83	f	41.04	e	-----	z	-----	z	43.58	c
Period of Record Statistics
MEAN	25.17		28.92		33.72		40.09		46.96		53.98		59.41		57.32		48.96		40.03		32.64		28.62		41.24
S.D.	6.76		4.37		2.78		2.33		2.18		2.18		2.45		2.20		2.25		2.61		3.73		3.83		1.55
SKEW	-1.02		-0.55		-0.30		0.39		0.48		-0.10		0.52		0.11		0.13		-0.44		-0.89		-0.47		0.26
MAX	36.06		36.79		39.00		46.97		52.29		58.43		68.96		62.84		54.00		45.71		38.27		36.41		44.91
MIN	6.90		13.76		27.97		34.33		43.06		49.03		52.74		53.10		44.90		31.87		21.40		17.50		38.78
YRS	61		61		62		63		63		63		64		62		63		60		62		58		52