PINE MOUNTAIN OBSERVATORY, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(356662)

File last updated on May 1, 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
1968	-----	z	-----	z	-----	z	22.90		30.81		39.73		49.07	a	43.23		41.83		30.97		25.57		16.41	d	33.39	c
1969	14.90		14.48	a	21.45		24.03		36.27	a	40.13		43.77		43.61		41.33		27.77		28.90		22.50	a	29.93
1970	21.43	c	22.96	a	20.42		19.90		31.77		42.96	c	49.10		48.84		34.63		33.06		25.79	b	16.52	f	31.90	a
1971	22.60	f	19.79		19.56	d	23.77	d	30.79	c	35.53		45.94		52.06		34.27		27.94		24.37		14.16		29.83	a
1972	16.06		20.29	a	25.61		21.33		33.81		39.77		44.23	a	47.07	a	35.97		29.87		25.93	a	14.80	a	29.56
1973	15.40	a	20.68		20.13	a	25.40		35.39		38.37		45.29		45.16		40.00		31.61		21.27		23.45		30.18
1974	13.48		19.82		21.45		24.77		27.97		42.60		43.26		45.10		42.97		33.37	a	28.10		19.61		30.21
1975	20.74		18.07		16.52		18.57		29.19		35.03		47.10		41.58		42.13		30.71		21.53		23.90		28.76
1976	21.45		18.79	a	18.03	b	22.83		30.68		32.16	e	-----	z	41.52	b	41.19	d	35.17	b	33.52	g	26.08	f	29.09	c
1977	21.64	c	23.26	e	17.77	a	29.41	h	27.03	a	42.58	f	43.62	b	49.22	h	36.16	e	33.62	b	22.87		22.35	e	27.59	c
1978	22.86	c	20.74	e	27.25	c	25.13		26.77		37.33		45.47	a	-----	z	36.29	p	33.63	a	18.29	b	8.87	a	26.63	b
1979	9.77	a	18.19	b	25.65		25.33		32.61		38.14	h	43.71	n	44.58	e	44.37		36.97		24.14	a	23.75	k	29.07	c
1980	16.13		25.00	c	20.00	c	27.79	b	31.35	h	34.89	c	-----	z	43.00	p	38.08	r	-----	z	22.75	n	24.23	r	24.76	g
1981	25.29	n	24.77	o	23.07	q	24.94	m	27.47	l	34.50	n	38.00	t	39.83	y	37.42	r	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	17.62		20.17		21.15		23.48		31.09		38.05		45.68		45.27		39.53		32.06		24.25		18.45		29.73
S.D.	4.22		2.77		3.38		2.57		3.08		3.40		2.14		3.29		3.60		2.78		3.12		5.19		0.60
SKEW	-0.34		-0.18		0.57		-0.42		0.19		-0.12		0.57		0.81		-0.35		-0.02		-0.32		-0.57		-0.91
MAX	22.86		25.00		27.25		27.79		36.27		42.96		49.10		52.06		44.37		36.97		28.90		23.90		30.21
MIN	9.77		14.48		16.52		18.57		26.77		32.16		43.26		41.52		34.27		27.77		18.29		8.87		28.76
YRS	11		12		12		12		12		11		10		10		11		12		11		9		5