JOHN DAY DAM, WASHINGTON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(454035)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197208
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
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	33.41	i	9999.00
1959	31.39	c	33.89		37.32		43.00		47.19		55.70		61.52		59.71		53.33		44.59	b	29.77		29.48		43.91
1960	20.84		32.38		34.19		42.87		46.68		55.67		64.00		59.03		52.86	a	46.32		36.38	d	28.23		43.29
1961	30.66	b	37.93		39.19		42.27		48.58		58.30	c	62.58		65.61		51.70		43.23		30.57		30.74		45.11
1962	27.10	a	32.19	b	34.68		44.67		45.77		54.20		60.77		59.58		53.25	b	45.26		39.83		34.97		44.36
1963	23.29		34.54		36.65		41.40		48.58		56.23		58.45		61.13		57.87		47.81		40.23		31.20	a	44.78
1964	33.87		35.21		38.13		43.27		48.23		56.27		61.84		59.87		53.97		45.71		38.07		28.39		45.23
1965	33.16		37.29		35.84		46.57		50.50	a	57.23		63.83	a	64.32		54.37		49.68		42.70		32.48		47.33
1966	33.39		35.64		37.71		46.10		50.19		55.70		62.10		63.16		58.27		46.71		41.47		37.32		47.31
1967	38.48		37.57		38.03		41.97		52.10		59.87		65.32		68.13		60.90		48.39		39.20		34.35		48.69
1968	32.61		35.83		41.84		43.90		-----	z	57.76	a	64.16		62.13		58.10		45.74		41.07		32.10		46.84
1969	21.39		31.82		37.52		44.86	a	52.97		61.72	a	61.63	d	61.23	a	58.37		45.81		40.93		-----	z	47.11
1970	31.81		38.25		38.16		-----	z	50.94		58.40		63.23		61.48	d	52.90		44.71		-----	z	-----	z	48.87
1971	36.03		35.75		36.42		42.73		51.17	a	54.60		63.13		65.55		52.50		45.48		39.23		34.84		46.45
1972	30.97		32.17		39.81		40.77		50.97		56.00		63.16		63.97		-----	z	-----	z	-----	z	-----	z	47.23


Period of Record Statistics
MEAN	30.36		35.03		37.53		43.41		49.53		56.97		62.55		62.49		55.26		46.11		38.29		32.19		45.65
S.D.	5.32		2.27		2.00		1.74		2.19		2.07		1.70		2.72		2.99		1.72		4.14		2.94		1.73
SKEW	-0.61		-0.09		0.30		0.40		-0.20		0.86		-0.72		0.55		0.54		0.55		-1.23		0.18		0.38
MAX	38.48		38.25		41.84		46.57		52.97		61.72		65.32		68.13		60.90		49.68		42.70		37.32		48.69
MIN	20.84		31.82		34.19		40.77		45.77		54.20		58.45		59.03		51.70		43.23		29.77		28.23		43.29
NO YRS	14		14		14		13		13		14		14		14		13		13		12		11		10