BACK BAY WILDLIFE REFUGE, VA

Average of Average Temperature (Degrees Fahrenheit)

(440385)

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
1953	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.95	k	-----	z
1954	43.18		47.02		50.12	a	60.37		64.08		75.12		77.35	a	77.98		73.53		65.34		50.43		40.74		60.44
1955	38.03		40.62		52.69		59.29	a	66.50		71.08		80.16		79.35	d	73.92		64.19		52.25		39.31		59.78
1956	37.98		46.97		48.48	a	56.10		64.40		73.92		78.11		77.32		71.85		64.03	b	54.46	b	53.87		60.63
1957	42.47		45.82		49.76		62.80		68.58		76.82		78.15		76.98	a	76.22	a	60.14	b	54.88	a	47.60	a	61.68
1958	38.22	a	37.30		43.07	a	56.28	c	65.77		70.91	a	80.38	a	77.32	a	70.90		62.10	a	55.85		38.21		58.03
1959	38.60	a	44.38		48.85	a	58.82	b	68.05		74.02	a	77.47	a	78.90	b	73.95		66.21	b	53.20	c	46.08	a	60.71
1960	42.75	a	42.48		38.85	a	61.57		65.57	a	74.07		76.63	a	78.52	a	73.17	a	62.87	a	53.81	d	38.56		59.07
1961	37.34	b	43.94	c	52.10	b	-----	z	-----	z	71.77	h	79.23	i	78.42		75.00	n	-----	z	53.98	f	42.96	f	52.95	h
1962	41.81	e	42.04		47.33	g	56.48	a	67.83	h	73.13	g	75.72	b	76.57	c	71.02		64.65		51.48	a	39.95	a	57.75	c
1963	38.15		36.82		53.13		58.53	a	63.58		73.43	a	77.48	a	77.27		68.76	a	62.81		55.20		38.05	a	58.60
1964	43.84		42.29		51.71		56.25		65.58		73.97		75.74		74.84		71.97		60.45		56.95		48.30	a	60.16
1965	42.73		41.32		44.79		53.67		67.08	a	-----	z	75.88	c	76.45	a	73.93	a	62.52	b	54.47		45.73		58.05	a
1966	39.08		39.86		50.50		55.15		63.35		71.43		78.40		76.40		72.48		63.42		53.62		43.32		58.92
1967	45.32		41.88		48.69		58.88		60.68		69.63		76.74		75.37		68.86	a	63.95		49.70		46.98		58.89
1968	38.68		36.93		50.89		56.12		65.27		74.55		78.08		79.65		72.05		64.82	a	54.15		42.19		59.45
1969	38.16		39.66		43.92		58.22		65.10		74.72		78.75	a	76.63		71.62		64.18		50.43		41.38	a	58.56
1970	35.03	a	42.50	b	45.73	a	56.83		68.00	e	74.29	a	78.04	h	77.25	e	75.44	f	65.07	c	53.55	b	44.81	b	56.31	b
1971	37.12	e	43.37	a	47.85	g	55.65	g	64.41	d	75.20	e	79.50	m	76.68	f	74.04	c	67.85	a	51.80	c	52.14	f	59.11	e
1972	46.77	e	42.62		49.78	a	57.63		63.31		69.80		78.58		77.47		72.95	b	62.50		52.66	b	49.90	b	60.33
1973	42.20	a	40.13	b	50.61	c	58.95		66.07	b	76.41	a	76.95	a	78.03		76.00	c	65.67	b	54.50	e	47.98	a	61.13
1974	50.84	b	45.57	e	53.15	a	60.63		67.00	d	73.32	b	78.13		76.79		72.98		58.62	a	55.29	i	46.72	b	62.16	a
1975	46.28	a	46.03	l	49.84	c	52.70	c	64.79	b	74.43	p	78.18	i	79.73	c	73.81	c	66.67	a	58.21	f	44.36	m	61.98	e
1976	40.16		50.10		54.61	c	59.64	b	64.30	c	73.83	j	76.92	e	74.48	c	71.25	h	59.65	k	45.24	i	40.53	p	60.03	e
1977	31.98	f	43.28	a	51.70	h	63.92	k	67.46	d	73.17	d	81.17	a	79.30	d	75.66	e	61.00	a	57.43	g	44.95		65.75	d
1978	37.41	b	33.75	b	44.50	f	56.93	a	62.28	a	72.60	e	75.33	e	79.29		72.85	d	61.60	f	56.48	a	47.62	f	60.77	c
1979	42.31	d	33.75		48.88	b	56.56	d	65.47	b	72.14	b	77.20	a	77.75	a	74.35		62.93	c	57.80		46.92	e	59.67
1980	42.15	a	37.69	b	49.71	e	58.75		67.47	a	73.88	b	79.46	e	78.20	f	76.21	a	62.47		52.18	h	45.71	g	60.86	c
1981	33.40	a	33.80	w	49.05	l	61.12	a	64.42		78.87		80.03	a	76.11		72.77		63.47		54.02	h	41.21	c	63.49	c
1982	36.92	k	43.21	d	50.33	d	53.20	c	66.54	f	73.21	d	77.98	c	76.46	c	71.56	c	61.88	a	55.68	e	49.31	e	61.28	b
1983	40.82	c	41.22	c	49.68	a	54.04	c	64.78	b	72.60		79.34	c	77.74		73.20		63.58	a	51.58	d	46.50	e	59.59
1984	35.36	c	45.15	f	44.95	c	53.55	h	66.85	a	74.76	a	75.90		77.32	a	71.00		66.42		50.34	a	50.13	a	61.30	b
1985	35.24	b	39.48	b	49.23	e	58.82	b	67.07	b	73.42	d	76.65	d	76.68		73.36	a	67.32		61.82		42.43	b	60.13
1986	39.57	a	41.86		48.37	a	56.02	a	65.36	b	75.05		80.80	a	77.26	b	72.30		66.71	e	56.18	b	45.75	g	61.77	a
1987	41.74	f	38.15	h	47.40	e	54.61	c	67.20	i	76.16	b	80.74		79.81	b	74.74	a	58.09	b	54.46	g	45.43	d	64.62	d
1988	37.02	a	44.62	a	49.86	f	57.18	b	65.43	j	74.79	d	79.08	f	79.48	i	71.96	c	60.61	m	54.65	j	44.95	j	57.11	g
1989	46.87	l	45.64	g	50.30	h	57.55	j	64.81	j	79.45	h	79.28	k	78.50	h	74.95	j	64.92	l	57.86	l	37.45	k	-----	z
1990	48.79	j	53.32	i	48.81	r	59.55	i	66.26	h	73.88	i	79.62	j	78.30	h	70.61	l	65.22	o	54.74	m	51.78	o	-----	z
1991	45.15	k	47.79	i	52.74	j	60.29	i	71.29	g	75.33	j	81.98	j	78.14	i	74.85	j	60.89	i	53.75	n	46.95	k	-----	z
1992	43.95	i	46.97	k	49.42	e	58.38	i	-----	z	71.75	h	81.85	e	77.93	h	74.26	i	60.98	j	57.21	k	47.58	k	65.63	j
1993	46.47	m	39.86	g	46.36	j	58.00	l	69.40	k	75.86	i	81.56	m	78.19	m	76.17	i	63.44	n	55.40	j	45.47	n	-----	z
1994	38.21	j	44.80	h	52.63	h	62.45	i	64.70	k	77.55	i	81.35	k	76.55	j	72.74	i	59.30	k	58.79	k	50.29	l	-----	z
1995	42.05	k	40.03	i	53.10	k	59.12	j	67.55	j	74.11	h	81.70	k	78.37	h	74.34	k	67.08	k	53.50	p	44.55	t	-----	z
1996	40.53	o	42.83	k	47.83	k	59.05	h	64.77	i	75.15	j	77.92	k	75.50	i	73.84	k	65.83	j	50.95	k	49.10	k	-----	z
1997	45.48	j	50.84	i	52.19	j	54.98	h	64.47	l	72.45	k	79.34	i	77.31	j	71.80	j	62.23	k	50.56	m	45.28	m	-----	z
1998	49.81	m	50.47	l	51.45	j	62.30	h	67.21	n	74.40	j	80.76	l	78.28	o	74.72	j	64.87	l	55.22	l	52.42	m	-----	z
1999	50.85	n	45.36	n	48.55	k	58.64	p	63.56	m	74.18	h	79.61	l	78.26	l	72.45	k	61.82	t	54.34	n	45.23	p	-----	z
2000	39.57	p	47.03	m	52.50	i	56.15	m	68.23	i	75.72	j	76.52	j	78.14	j	72.38	m	65.75	m	50.34	n	44.95	u	-----	z
2001	41.13	l	48.03	l	46.42	l	56.39	l	65.45	j	76.64	i	78.96	r	79.52	i	71.76	m	64.42	m	55.94	m	56.58	r	-----	z
2002	52.78	o	48.66	l	49.86	q	62.67	l	68.03	m	80.09	m	82.68	l	81.18	n	76.22	n	66.26	l	52.95	s	41.27	r	-----	z
2003	37.15	n	41.56	l	51.05	l	57.02	j	66.37	l	76.47	k	80.72	m	78.60	k	74.56	m	-----	z	63.04	p	45.17	p	-----	z
2004	38.69	r	41.56	k	50.19	j	55.75	n	75.50	l	77.84	n	80.87	l	77.91	i	74.98	i	63.22	m	56.33	l	48.00	p	-----	z
2005	44.89	l	43.71	k	45.46	h	59.88	n	62.78	m	76.10	j	83.24	l	80.88	k	78.19	i	66.39	l	59.78	n	41.36	m	-----	z
2006	48.15	r	44.78	s	48.10	u	58.95	t	-----	z	76.50	q	76.21	s	82.81	m	72.14	l	64.58	m	57.17	l	51.06	n	-----	z
2007	42.38	o	40.68	k	55.97	l	61.74	m	66.50	p	74.55		78.06		79.56		75.23		70.61		53.78	a	48.79		68.66	e
2008	42.95		47.27	a	52.26		58.75		65.63		78.63		78.85		78.26		74.68		62.77		50.80		48.16		61.59
2009	39.44		42.61		47.34		59.30		68.74		76.00		77.26		80.63		72.68		64.31		56.82		45.21		60.86
2010	37.98		37.71		50.58		61.30		69.63		80.10		81.18		79.82		75.78		64.90		53.57		36.13		60.72
2011	36.90		44.38		48.74		62.52		68.47		77.57		81.00		79.45	a	74.78		65.24		56.65		50.35		62.17
2012	45.63		46.02		56.88	b	58.55		69.31		74.33		82.66		79.68		74.72	a	64.94		49.57		50.16		62.70
2013	42.90		43.18		44.29		58.35		67.08		76.32		79.79		76.81		73.00		65.69		52.42		46.89		60.56
2014	38.32		42.00		45.60		56.52		69.35		76.03		78.42		77.15		75.13		66.50		49.43		47.77		60.19
2015	40.84		33.50	a	45.81		58.90		69.24		78.00		80.53		78.42		76.80	b	64.71	c	59.07		57.55		61.95
2016	41.89		44.43	a	55.08		57.98		65.18		74.95		81.94		81.56		76.62		67.50		53.72		47.05		62.32
2017	44.50		49.70	a	48.97	a	64.70		68.02		76.21	a	81.20	c	77.97		74.52		68.32		54.95		47.33	k	64.46	a
Period of Record Statistics
MEAN	40.46		42.03		49.12		58.02		66.08		74.54		78.64		77.88		73.44		64.22		53.89		45.53		60.33
S.D.	3.64		3.95		3.51		2.64		2.09		2.32		1.95		1.54		1.90		2.54		2.79		4.61		1.23
SKEW	0.49		-0.31		-0.44		0.18		-0.23		0.10		0.21		0.09		-0.35		-0.15		0.48		0.04		0.11
MAX	50.84		50.10		56.88		64.70		69.63		80.10		82.66		81.56		76.80		70.61		61.82		57.55		62.70
MIN	33.40		33.50		38.85		52.70		60.68		69.63		75.33		74.48		68.76		58.09		49.43		36.13		58.03
YRS	42		41		40		41		40		41		42		43		43		42		37		37		27