BACK BAY WILDLIFE REFUGE, VA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(440385)

File last updated on May 13, 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
1953	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	23.00	k	-----	z
1954	20.00		26.00		28.00		36.00		46.00		58.00		63.00	a	63.00		51.00		40.00		32.00		18.00		18.00	a
1955	13.00		11.00		25.00		39.00	a	46.00		55.00		65.00		65.00	d	64.00		43.00		24.00		21.00		11.00	e
1956	23.00		27.00		29.00	a	36.00		45.00		56.00		63.00		65.00		53.00		54.00	b	29.00	a	28.00		23.00	d
1957	17.00		29.00		34.00		35.00		39.00		62.00		62.00		63.00	a	60.00	a	37.00	b	35.00		17.00	a	17.00	e
1958	21.00	a	11.00		33.00		36.00		48.00		54.00		67.00		65.00	a	52.00		42.00	a	16.00		17.00		11.00	c
1959	15.00	a	18.00		26.00		39.00		49.00		56.00	a	69.00	a	63.00	b	55.00		38.00	a	28.00	a	29.00		15.00	g
1960	21.00	a	26.00		18.00		39.00		43.00		58.00		66.00		67.00		61.00	a	40.00		37.00	c	13.00		13.00	e
1961	11.00	b	17.00	c	29.00	b	-----	z	-----	z	51.00	g	62.00	i	47.00		53.00	n	-----	z	29.00	e	22.00	e	-----	z
1962	18.00	d	19.00		27.00	f	37.00	a	52.00	h	59.00	g	59.00	b	64.00	c	52.00		30.00		34.00		14.00	a	-----	z
1963	16.00		16.00		31.00		39.00		43.00		60.00	a	60.00	a	60.00		56.00		38.00		35.00		18.00		16.00	b
1964	21.00		25.00		28.00		34.00		39.00		58.00		64.00		60.00		55.00		42.00		23.00		24.00		21.00
1965	19.00		16.00		29.00		33.00		43.00		-----	z	62.00		49.00		58.00	a	36.00	a	33.00		29.00		-----	z
1966	12.00		22.00		30.00		38.00		41.00		53.00		58.00		63.00		53.00		38.00		33.00		23.00		12.00
1967	26.00		13.00		25.00		36.00		39.00		52.00		60.00		63.00		50.00	a	45.00		26.00		24.00		13.00	a
1968	19.00		18.00		25.00		41.00		46.00		58.00		65.00		62.00		56.00		38.00	a	31.00		20.00		18.00	a
1969	20.00		24.00		24.00		37.00		45.00		63.00		68.00		61.00		53.00		38.00		29.00		26.00		20.00
1970	8.00	a	11.00	b	30.00	a	38.00		46.00	c	59.00	a	64.00	d	64.00	d	50.00	b	41.00	b	24.00	b	23.00	a	8.00	w
1971	18.00	d	17.00		30.00	c	39.00	d	39.00	c	58.00	d	61.00	k	56.00	e	58.00	a	49.00	a	33.00	c	29.00	b	-----	z
1972	8.00	c	22.00		30.00		31.00		47.00		52.00		58.00		63.00		54.00	b	43.00		27.00	b	22.00	a	8.00	h
1973	18.00	a	15.00	a	26.00	b	36.00		45.00	a	63.00	a	58.00	a	64.00		59.00	b	43.00	b	32.00	d	22.00	a	15.00	p
1974	29.00	b	25.00	d	29.00	a	34.00		46.00	c	59.00	b	63.00		59.00		54.00		30.00	a	29.00	g	25.00	b	25.00	v
1975	24.00	a	27.00	i	25.00	b	29.00	c	46.00	b	59.00	p	60.00	i	63.00	c	57.00	c	38.00	a	31.00	e	18.00	k	-----	z
1976	16.00		22.00		27.00	b	36.00	b	43.00	c	54.00	j	62.00	e	46.00	b	54.00	h	30.00	i	24.00	i	16.00	n	-----	z
1977	3.00	d	16.00	a	29.00	g	42.00	k	42.00	c	52.00	b	64.00		60.00	d	51.00	e	35.00	a	24.00	d	18.00		-----	z
1978	12.00		16.00		23.00	e	37.00	a	37.00	a	51.00	d	52.00	e	63.00		56.00	d	41.00	f	30.00		26.00	f	-----	z
1979	23.00	d	12.00		30.00		27.00	b	46.00	a	57.00		57.00		60.00	a	52.00		39.00	b	30.00		25.00	e	12.00	o
1980	18.00	a	15.00	b	15.00	c	30.00		45.00	a	55.00	a	55.00	e	62.00	c	56.00	a	42.00		29.00	f	20.00	f	-----	z
1981	9.00	a	12.00	w	30.00	k	35.00	a	46.00		60.00		65.00		60.00		50.00		42.00		28.00	c	16.00	b	-----	z
1982	8.00	f	27.00	b	26.00	a	29.00	b	48.00	c	55.00	c	61.00	a	57.00	a	52.00	b	44.00	a	35.00	d	26.00	d	-----	z
1983	20.00	b	25.00	b	34.00	a	31.00	b	44.00	b	55.00		60.00	c	59.00		49.00		41.00	a	34.00	d	5.00	e	5.00	v
1984	10.00	c	22.00	e	26.00	b	32.00	h	43.00	a	51.00	a	57.00		60.00	a	46.00		44.00		29.00	a	20.00	a	10.00	w
1985	-11.00	a	9.00	a	28.00	d	30.00	b	47.00	b	52.00	d	53.00	d	57.00		56.00	a	46.00		41.00		11.00	b	-11.00	u
1986	15.00	a	20.00		19.00	a	39.00		45.00	b	54.00		59.00	a	58.00	b	53.00		32.00	e	33.00	b	28.00	f	15.00	t
1987	17.00	f	19.00	h	28.00	d	34.00	c	46.00	e	56.00	a	57.00		58.00	a	54.00		35.00	a	25.00	e	24.00	c	-----	z
1988	16.00	a	18.00	a	27.00	f	36.00	b	43.00	i	47.00	d	59.00	f	66.00	h	58.00	c	39.00	k	35.00	i	20.00	j	-----	z
1989	28.00	l	19.00	g	30.00	h	33.00	j	41.00	j	60.00	h	58.00	k	66.00	h	53.00	j	40.00	l	26.00	k	12.00	k	-----	z
1990	23.00	j	22.00	i	30.00	q	34.00	h	47.00	h	53.00	i	61.00	j	63.00	h	47.00	k	35.00	o	33.00	l	29.00	o	-----	z
1991	20.00	k	18.00	i	31.00	j	36.00	g	50.00	g	57.00	j	60.00	i	63.00	i	49.00	j	43.00	i	33.00	n	25.00	j	-----	z
1992	24.00	i	26.00	j	29.00	e	31.00	h	-----	z	54.00	h	65.00	e	59.00	h	52.00	i	39.00	j	30.00	k	26.00	j	-----	z
1993	29.00	m	20.00	g	27.00	h	32.00	i	47.00	k	50.00	h	60.00	m	58.00	m	54.00	i	39.00	n	32.00	j	26.00	n	-----	z
1994	7.00	j	21.00	h	30.00	h	42.00	i	50.00	j	55.00	h	67.00	k	60.00	i	55.00	i	42.00	k	40.00	j	32.00	l	-----	z
1995	16.00	k	10.00	i	26.00	i	26.00	j	43.00	j	51.00	h	66.00	k	60.00	h	50.00	j	38.00	j	24.00	o	23.00	t	-----	z
1996	22.00	o	10.00	k	19.00	k	33.00	h	44.00	i	48.00	j	54.00	j	61.00	i	57.00	j	43.00	j	26.00	k	23.00	k	-----	z
1997	18.00	j	27.00	i	34.00	j	31.00	h	44.00	k	51.00	k	62.00	i	59.00	j	54.00	j	36.00	j	28.00	m	27.00	m	-----	z
1998	24.00	m	32.00	l	26.00	j	38.00	h	48.00	m	50.00	i	60.00	i	57.00	o	54.00	i	41.00	l	35.00	l	25.00	m	-----	z
1999	17.00	n	25.00	n	23.00	j	31.00	o	32.00	l	51.00	h	57.00	l	59.00	j	50.00	k	41.00	s	22.00	l	20.00	k	-----	z
2000	10.00	l	23.00	j	25.00	i	25.00	k	35.00	i	44.00	i	56.00	j	59.00	i	50.00	l	40.00	l	23.00	m	25.00	t	-----	z
2001	21.00	j	29.00	j	26.00	k	31.00	i	43.00	j	56.00	i	61.00	n	65.00	h	54.00	k	37.00	k	31.00	j	39.00	p	-----	z
2002	28.00	n	21.00	k	26.00	q	32.00	j	45.00	m	57.00	m	68.00	i	68.00	m	56.00	n	45.00	k	35.00	r	25.00	p	-----	z
2003	15.00	n	21.00	k	31.00	k	28.00	i	45.00	j	53.00	j	65.00	l	62.00	k	57.00	l	-----	z	34.00	o	26.00	o	-----	z
2004	19.00	n	22.00	k	30.00	j	38.00	n	48.00	k	57.00	n	68.00	l	61.00	i	59.00	i	48.00	m	35.00	l	23.00	o	-----	z
2005	19.00	k	27.00	k	27.00	h	42.00	n	43.00	k	56.00	i	70.00	l	62.00	j	60.00	i	42.00	l	29.00	n	22.00	k	-----	z
2006	32.00	o	26.00	s	31.00	s	34.00	s	-----	z	62.00	q	65.00	s	63.00	l	55.00	l	33.00	l	31.00	l	28.00	m	-----	z
2007	24.00	n	18.00	k	26.00	j	29.00	m	43.00	o	60.00		62.00		68.00		65.00		48.00		37.00	a	32.00		-----	z
2008	24.00		27.00	a	35.00		45.00		48.00		60.00		69.00		67.00		64.00		40.00		28.00		28.00		24.00	a
2009	20.00		22.00		22.00		39.00		52.00		61.00		62.00		70.00		57.00		43.00		37.00		29.00		20.00
2010	22.00		21.00		33.00		42.00		48.00		61.00		61.00		67.00		63.00		48.00		40.00		20.00		20.00
2011	22.00		22.00		33.00		41.00		50.00		61.00		69.00		66.00	a	61.00		40.00		36.00		34.00		22.00	a
2012	24.00		25.00		35.00	b	42.00		55.00		59.00		72.00		69.00		54.00	a	44.00		32.00		31.00		24.00	c
2013	24.00		25.00		30.00		40.00		50.00		58.00		66.00		63.00		57.00		44.00		28.00		28.00		24.00
2014	15.00		25.00		24.00		39.00		54.00		54.00		64.00		68.00		65.00		48.00		29.00		33.00		15.00
2015	16.00		11.00	a	23.00		37.00		49.00		62.00		67.00		67.00		60.00	b	43.00	c	33.00		36.00		11.00	f
2016	20.00		18.00	a	36.00		36.00		51.00		63.00		68.00		70.00		67.00		48.00		35.00		24.00		18.00	a
2017	18.00		27.00	a	27.00	a	43.00		53.00		57.00	a	68.00	c	65.00		62.00		48.00		38.00		27.00	k	18.00	q
Period of Record Statistics
MEAN	17.05		19.83		27.79		36.43		45.79		56.95		62.53		61.98		56.11		41.36		31.02		23.18		18.76
S.D.	6.94		5.51		4.60		4.04		4.11		3.85		4.54		5.29		4.89		5.11		5.03		6.61		4.21
SKEW	-1.66		-0.25		-0.51		-0.36		0.05		-0.35		-0.24		-1.21		0.37		-0.11		-0.45		-0.40		-0.42
MAX	29.00		29.00		36.00		45.00		55.00		63.00		72.00		70.00		67.00		54.00		41.00		36.00		24.00
MIN	-11.00		9.00		15.00		27.00		37.00		47.00		52.00		46.00		46.00		30.00		16.00		5.00		11.00
YRS	43		42		42		42		42		41		43		45		44		42		42		39		17