BACK BAY WILDLIFE REFUGE, VA

Average of Maximum Temperature (Degrees Fahrenheit)

(440385)

File last updated on April 20, 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	50.80	k	-----	z
1954	51.84		55.79		58.77	a	68.87		71.42		82.93		84.63	a	85.55		80.90		74.42		57.47		50.03		68.55
1955	45.77		49.75		62.42		67.76	a	73.65		78.50		86.71		84.85	d	78.33		71.90		61.33		46.84		67.32
1956	44.23		55.21		57.73	a	64.50		73.35		80.33		84.77		83.52		78.03		67.83	b	64.10	a	63.13		68.06
1957	51.71		52.96		57.81		73.47		77.48		84.13		86.16		84.20	a	82.03		66.06		61.41	a	55.87	a	69.44
1958	45.74		45.68		48.33	a	64.78	c	73.19		77.97	a	87.43	a	83.03		77.07		68.29		63.83		45.55		65.07
1959	47.52		53.96		58.10	a	67.71	b	75.10		80.73		82.90	a	85.23	a	79.37		72.70	a	60.82	b	53.47	a	68.13
1960	50.23		49.62		45.43	a	70.60		72.50	a	80.30		82.50	a	84.60	a	77.87		69.10	a	61.79	b	47.19		65.98
1961	44.93	b	52.04		61.40	a	-----	z	-----	z	80.88	f	88.61	h	90.32		84.26	g	70.30	h	61.50	f	51.36	f	62.17	h
1962	50.96	e	51.07		55.33	g	65.62	a	77.00	h	79.92	f	82.07	b	82.36	c	78.03		71.87		58.21	a	47.42		65.29	c
1963	46.13		45.50		63.71		67.72	a	72.29		80.93	a	84.83	a	84.35		74.62	a	69.23		63.53		45.37	a	66.52
1964	52.06		50.55		60.90		64.17		73.74		81.60		82.35		81.29		78.70		66.97		65.27		55.73	a	67.78
1965	50.94		51.14		53.10		63.50		76.47	a	-----	z	82.96	c	84.50	a	80.86	a	70.30	a	62.40		53.81		66.36	a
1966	45.94		46.71		59.13		62.77		71.55		79.03		85.71		82.90		79.77		71.13		61.33		51.00		66.41
1967	53.19		50.57		58.32		70.03		70.90		76.07		83.10		81.13		75.63		71.52		58.93		55.06		67.04
1968	46.58		44.66		60.94		64.37		73.61		82.63		84.42		86.81		78.47		71.94		63.40		50.77		67.38
1969	46.06		45.93		51.87		68.43		72.77		81.60		85.93	a	83.71		78.00		70.97		58.50		49.20	a	66.08
1970	43.58		51.36		53.77		65.47		76.46	c	81.40		84.69	e	83.86	c	81.85	d	70.62	b	60.10	a	52.67	a	67.15
1971	45.96	c	52.37	a	55.12	e	62.96	e	71.43	c	80.50	b	85.57	h	83.11	c	79.57	b	72.73	a	61.55	a	59.78	d	65.92	a
1972	55.19	d	50.38		58.57	a	67.20		69.10		77.37		85.39		84.00		79.46	b	68.81		60.71	b	58.23	a	67.87
1973	49.83	a	47.88	b	58.89	c	68.03		75.07	b	83.70		84.57	a	84.94		83.26	c	74.31	b	64.64	e	56.68		69.32
1974	60.00	b	53.80	c	63.37	a	71.30		75.39	c	80.39	b	85.71		82.84		79.67		67.47	a	63.17	g	55.60	a	70.50	a
1975	55.60	a	55.72	j	59.34	b	61.22	c	72.14	b	82.86	p	85.73	i	88.29	c	79.57		74.23	a	67.52	e	54.65	k	69.74	d
1976	50.65		61.48		64.31	b	70.89	b	72.79	c	83.15	j	85.96	e	82.45	b	80.05	h	68.64	i	56.90	i	51.44	m	69.79	e
1977	41.84	f	54.74	a	61.46	g	74.80	j	78.83	a	83.29	b	91.00	a	89.39		85.20		69.47	a	64.56	e	54.74		74.58	c
1978	46.34	b	42.27	b	54.30	d	67.87		70.32		81.72	a	83.90	a	88.39		82.24	a	71.50	a	63.38	a	56.41	b	67.39
1979	50.65		41.71		57.41	b	66.29	b	73.40	a	79.89	b	84.23	a	84.71		80.40		72.17	b	66.13		54.87		67.66
1980	49.13		46.07	b	57.96	d	68.83		75.61		82.72	a	87.84		87.86	c	83.53		71.03		61.96	e	54.00	f	70.23	a
1981	43.40	a	53.07	a	56.67	a	73.10	a	72.87		87.83		87.93	a	83.16		81.43		73.87		64.61	g	49.50	a	69.35	a
1982	44.38	g	50.52	c	59.89	c	61.03	a	73.74	d	80.56	c	84.34	b	82.93	b	78.38	a	68.94		63.04	d	56.41	d	69.07	a
1983	47.10	b	48.12	b	57.23	a	62.34	a	72.77		80.63		88.24	b	86.71		81.40		71.27	a	61.54	d	55.56	d	67.74
1984	43.72	b	54.58	e	52.57	a	61.95	h	77.03		83.69	a	84.39		85.55		79.17		74.13		59.34	a	59.67	a	68.53	a
1985	44.27	a	49.77	b	58.75	c	70.17		76.83	b	84.15	d	86.11	d	85.32		82.14	a	74.65		68.80		50.93	a	69.32
1986	47.77	a	48.68		57.19		64.72	a	73.47	a	83.80		88.53	a	83.84		79.03		74.85	e	64.36	b	53.96	f	69.66	a
1987	49.80	f	46.90	h	56.85	e	62.67	c	78.36	i	85.89	b	90.84		88.55	b	82.48	a	68.14	b	64.96	g	54.33	d	73.72	d
1988	46.43	a	55.46	a	60.52	f	67.34	a	75.19	j	86.19	d	88.04	f	87.73	i	79.11	c	70.89	m	65.50	j	56.95	j	66.91	g
1989	57.53	l	55.68	f	60.43	h	67.05	j	75.62	j	89.32	h	88.70	k	86.25	g	83.40	j	75.16	l	67.68	k	48.35	k	-----	z
1990	61.29	j	65.95	i	59.57	q	70.71	i	77.04	h	84.38	i	90.00	j	86.52	h	81.06	l	76.12	o	67.41	m	64.31	o	-----	z
1991	54.95	k	61.32	i	63.00	j	72.52	i	81.16	f	84.70	j	91.45	i	86.95	i	84.80	j	71.32	i	62.50	l	59.90	j	-----	z
1992	53.95	i	56.17	k	60.88	e	68.81	i	-----	z	80.14	h	90.27	e	86.30	h	81.71	i	68.81	j	64.89	k	55.90	j	75.58	j
1993	53.37	l	49.52	g	54.86	j	68.47	k	79.45	k	85.95	i	90.22	m	87.79	l	86.52	i	72.53	n	65.35	j	53.71	n	-----	z
1994	46.81	j	57.25	h	63.91	h	73.00	i	74.10	k	86.10	i	90.10	k	84.77	i	82.90	i	69.45	k	70.74	k	59.53	l	-----	z
1995	50.60	k	49.37	i	64.20	k	70.80	j	78.32	i	82.27	h	91.25	k	86.13	h	84.05	k	79.15	k	65.36	p	54.09	t	-----	z
1996	50.29	n	52.28	k	58.24	j	71.73	h	75.09	i	84.05	j	87.05	k	82.91	i	82.84	k	76.81	j	61.00	k	59.45	k	-----	z
1997	55.10	j	60.26	i	61.14	j	65.36	h	75.74	l	82.42	k	88.32	i	86.95	j	81.75	j	72.95	k	61.41	m	54.78	m	-----	z
1998	59.39	m	59.88	l	61.05	j	72.36	h	77.59	n	84.65	j	90.95	l	87.41	n	84.65	j	74.68	l	64.89	l	63.00	m	-----	z
1999	64.94	n	55.60	m	61.05	k	71.43	p	74.33	m	83.86	h	89.53	l	88.21	l	79.75	j	70.27	t	67.41	m	58.60	p	-----	z
2000	52.87	p	59.25	m	65.18	i	67.24	m	80.23	i	86.30	j	85.48	j	87.36	i	81.72	l	75.67	m	61.38	n	55.30	u	-----	z
2001	49.89	l	57.19	l	54.16	l	67.84	k	75.24	j	84.81	i	87.75	o	87.52	h	80.88	m	77.47	l	66.76	m	64.77	r	-----	z
2002	63.44	o	60.25	l	59.29	q	73.89	k	77.84	l	88.26	k	90.53	l	89.39	m	85.50	n	74.74	l	64.09	s	49.38	r	-----	z
2003	45.17	m	50.56	l	63.10	k	68.81	i	76.58	l	86.00	k	89.58	l	87.65	k	82.76	m	-----	z	73.93	p	56.93	p	-----	z
2004	48.07	q	50.28	k	59.38	j	65.88	n	86.05	l	87.81	n	89.55	k	85.68	i	82.00	i	70.39	m	64.50	l	57.50	o	-----	z
2005	55.68	l	51.88	k	54.83	h	69.81	n	71.21	l	84.95	i	91.95	l	89.80	k	87.10	i	74.16	l	71.62	n	50.72	m	-----	z
2006	56.07	q	52.89	s	55.20	u	68.00	s	-----	z	84.54	q	84.00	r	92.33	m	80.50	l	74.78	m	67.33	l	61.41	n	-----	z
2007	53.59	n	50.71	k	68.74	l	72.68	k	77.73	p	80.10		83.26		84.90		79.93		76.26		60.86	a	55.77		74.44	e
2008	50.23		55.36	a	59.58		64.87		72.35		85.77		84.90		83.55		79.07		69.06		57.27		54.97		68.08
2009	46.32		50.57		53.94		67.00		75.06		82.07		82.74		86.71		77.47		70.84		61.87		51.74		67.19
2010	44.87		43.71		57.23		68.97		76.52		86.47		88.03		85.58		82.13		71.81		59.73		42.19		67.27
2011	42.87		52.61		54.87		69.47		74.68		83.60		86.87		85.07	a	80.10		70.87		63.97		56.77		68.48
2012	52.77		53.10		64.73	a	65.33		74.65		80.23		89.00		84.71		80.72	a	71.06		55.37		56.94		69.05
2013	49.84		49.79		50.74		65.17		73.13		82.40		85.45		81.90		79.23		71.84		60.07		54.52		67.01
2014	46.48		49.46		53.06		63.20		76.03		81.80		84.32		81.68		79.53		73.42		56.57		54.45		66.67
2015	48.32		41.56	a	53.65		66.60		75.52		84.30		86.55		83.87		81.68	b	70.29	c	65.00		63.55		68.41
2016	48.58		51.71	a	62.68		65.10		70.87		80.33		88.19		86.84		81.23		72.94		60.93		53.84		68.60
2017	51.35		58.67	a	56.37	a	71.43		74.16		82.24	a	87.18	c	82.52		79.60		74.13		62.00		53.90	k	70.88	a
Period of Record Statistics
MEAN	48.45		50.46		57.39		66.74		73.86		81.95		85.74		84.70		79.92		71.28		61.84		53.60		67.62
S.D.	3.74		4.37		4.18		3.14		2.13		2.53		2.29		2.16		2.06		2.37		2.91		4.66		1.06
SKEW	0.81		-0.07		-0.55		0.20		0.12		0.12		0.49		0.67		0.02		-0.11		0.03		-0.27		-0.22
MAX	60.00		61.48		64.73		73.47		78.83		87.83		91.00		90.32		85.20		76.26		68.80		63.55		69.44
MIN	42.87		41.56		45.43		61.03		69.10		76.07		82.07		81.13		74.62		66.06		55.37		42.19		65.07
YRS	42		43		43		42		41		41		43		45		44		43		40		39		29