MC NARY DAM, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(355389)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195410
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
1948	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	58.74	57.17	a	49.55	a	38.00	a	34.33		25.74		43.92
1949	8.39		26.07		36.16		42.00	a	50.90		52.72	a	58.06	57.90		51.83	a	34.87	a	36.27		29.93	a	40.43
1950	8.97		21.79		34.03		39.23		46.13		55.27		59.48	59.17	a	50.20		43.16		36.70		33.84		40.66
1951	28.52		27.68		31.55		37.77		47.06		54.13		60.06	57.39		49.67		41.42		31.73		24.65		40.97
1952	21.26		30.76		33.87		39.48	a	49.32		53.70		59.68	58.45		49.63		41.35		25.67		30.26		41.12
1953	37.29		31.79		34.77		40.10		45.40	a	51.07		58.55	59.00		50.77		40.39		34.70		32.58		43.03
1954	24.29		33.75		28.32		37.50		45.35		51.17		55.77	55.52		50.03		38.00	z	-----	z	-----	z	42.41


Period of Record Statistics
MEAN	21.45		28.64		33.12		39.35		47.36		53.01		58.62	57.80		50.24		39.86		33.23		29.50		41.24
S.D.	11.27		4.36		2.79		1.65		2.27		1.68		1.44	1.26		0.82		2.97		4.10		3.65		1.04
SKEW	0.03		-0.44		-0.81		0.44		0.64		-0.01		-1.10	-0.73		1.15		-0.73		-1.15		-0.25		1.25
MAX	37.29		33.75		36.16		42.00		50.90		55.27		60.06	59.17		51.83		43.16		36.70		33.84		43.03
MIN	8.39		21.79		28.32		37.50		45.35		51.07		55.77	55.52		49.55		34.87		25.67		24.65		40.43
NO YRS	6		6		6		6		6		6		7	7		7		6		6		6		5