BACK BAY WILDLIFE REFUGE, VA

Maximum of Precipitation (Inches)

(440385)

File last updated on May 14, 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	0.83	k	-----	z
1954	1.51		0.57		0.79		1.03		1.41		0.08		1.31		1.96		1.47		0.40		0.51		0.60		1.96
1955	1.31		0.87		1.01		0.71		1.14		0.90		0.55		4.44	c	2.56		0.36		0.75		0.80		4.44	c
1956	0.44		0.85		1.65		1.50		2.13		1.32		2.55		0.87		2.84		1.95		0.41		0.56		2.84
1957	1.00		1.50		0.83		0.43		0.97		0.65		2.00		4.00		1.94		2.20		2.24		1.48		4.00
1958	1.56		1.15		1.30		0.77		1.50		1.20		1.60		5.10		0.85		1.85		0.93		0.95		5.10
1959	0.57		1.02		1.52		1.95		0.50		0.45		1.87		0.56		1.90		1.60		0.50		0.85		1.95
1960	1.40	b	1.30		0.60		0.65		1.40		2.40		2.30		1.70		2.85		2.88		0.50		1.15		2.88	b
1961	2.20		1.70		0.80	a	1.80	a	3.05		1.35		2.00		1.50		1.65		3.18		1.14		0.70		3.18	b
1962	2.00	a	0.75		1.33		1.60		0.97		1.64		1.68		1.43		1.22		4.25		1.23		0.67		4.25	a
1963	0.79		0.91		1.22		0.80		0.44		4.40		2.65		1.15		1.35		0.63		2.00		0.90		4.40
1964	0.94		0.99		1.62		1.08		0.78		0.91		1.41		2.92		11.20		2.58		0.50		2.00		11.20
1965	0.87		1.12		0.70		1.07		0.75		-----	z	3.05		0.89		0.50		0.99		0.23		0.32		-----	z
1966	1.36		1.10		0.70		0.26		2.06		2.00		2.10		1.68		1.22		0.44		0.34		1.57		2.10
1967	1.47		1.02		0.87		0.36		0.56		0.96		2.51		6.00		2.50		0.27		0.74		0.92		6.00
1968	2.23		0.60		1.86		1.10		1.17		0.87		1.56		1.50		0.58		3.16		1.58		0.55		3.16
1969	1.20		0.62		2.15		0.70		0.82		1.61		1.90		1.50		1.60		0.79		2.65		1.16		2.65
1970	1.03		2.00		1.33		1.62		1.36		1.18		2.30		1.87		0.95		0.75		1.70		1.91		2.30
1971	0.80		0.76		1.79		2.00		1.27		0.72		1.29		2.94		2.85		3.75		1.10		0.49		3.75
1972	1.60		1.40		1.05		0.93		3.15		1.35		1.25		1.02		1.57		2.11		2.28		1.49		3.15
1973	1.15		0.85		1.49		1.45		1.41		1.47		1.45		1.84		0.67		0.52		0.54		1.20		1.84
1974	1.31		2.10		1.10		0.82		1.93		1.51		1.74		1.50		1.52		1.11		0.57		0.61		2.10
1975	1.43	a	1.03	b	1.77		2.20		1.08		1.13	k	1.30	c	0.91		3.15		1.61		0.74		1.21		3.15	q
1976	1.10		1.11		1.02		0.47		1.14		1.11	d	1.28		3.20		2.73		0.68	d	0.96		1.16	d	3.20	l
1977	0.80		0.64		1.57		0.57		1.80		0.63		0.87		1.60		1.22		1.53		2.97		1.39	a	2.97	a
1978	2.65		0.45	a	1.68	a	1.90		2.32		1.11		1.02		2.00		0.30	a	1.09		1.35		0.68	b	2.65	e
1979	1.84		1.58	a	1.23		1.38		2.02		0.70		0.95		2.46		2.70		1.14		2.05		0.50		2.70	a
1980	0.62	a	0.50	a	1.36	b	2.56	b	2.35		0.36		0.54		2.04		0.44		1.74		0.82		1.08		2.56	f
1981	0.78		1.09		0.62		0.67	i	0.71		2.05		1.63		2.40		3.55		2.00		0.52		1.35		3.55	i
1982	1.28	c	1.15		0.86		1.20		1.33		1.64	b	2.56		2.64		2.47		2.02		1.75	b	1.75		2.64	g
1983	0.75	a	1.00		1.22		1.44		1.02		2.00		1.18		0.70		2.53		0.86		0.85	a	1.02		2.53	b
1984	1.67		2.25	a	1.14		0.80	b	2.01		0.22		1.92		1.76		3.00		0.18		0.85		1.38	a	3.00	d
1985	1.93	a	1.48		0.84		0.44		0.61		1.25	c	1.22		0.80		4.07		1.47		1.24		0.50	a	4.07	e
1986	0.98	a	0.52		0.57		0.81		0.24		1.76		0.24		1.55		0.38		0.24		0.58	b	0.56		1.76	c
1987	3.85	b	1.28	c	1.00	c	0.28		1.08		1.98		0.22	c	1.79	a	2.32		0.78		0.95		0.82	b	3.85	n
1988	1.15	b	0.70		1.07	a	0.95		1.79	e	1.96		1.19		3.41	a	0.60		0.88	b	1.54		0.43		3.41	k
1989	0.79	f	1.72	b	1.32	c	1.01	c	1.03	c	1.57	b	1.51	b	3.64	a	1.82	i	1.72	b	1.78		2.12	a	-----	z
1990	1.24	b	1.09		1.52	a	0.89	a	1.97	c	0.28	a	1.80	c	3.61	a	0.52		1.90	a	1.64		1.08	h	3.61	u
1991	1.49	b	0.83	c	1.92	c	3.87		0.72	a	1.94	c	2.60	d	1.74	a	1.60		2.40	a	0.82	a	1.84	a	3.87	t
1992	2.44	b	0.92	b	0.72		0.38	b	-----	z	0.83	a	1.56	b	3.27	b	2.83	a	1.40	b	2.05	a	1.27	d	-----	z
1993	1.84	b	0.86	c	2.40		0.85	e	0.77	a	1.26		0.27	e	0.42	a	3.46	a	1.90	e	0.80	a	1.30	d	-----	z
1994	1.36	d	1.14	a	2.63	a	0.16		1.17	a	1.08	b	1.68	b	1.01	b	1.61	c	0.94	a	2.00	c	0.77	d	2.63	x
1995	0.75	e	1.91	c	1.09	a	0.76	a	0.96		0.95		0.74	a	1.03	b	0.88		1.51	a	0.98	g	0.49	q	-----	z
1996	0.63	l	1.48	d	1.00		1.10	a	0.81	d	1.14	b	4.37	d	1.96	a	0.58		4.76		1.22	b	0.78	c	-----	z
1997	0.77	c	1.18	c	1.47	d	0.96	b	0.39	c	1.06	b	2.01		0.75		0.85	b	1.13	b	1.76	e	1.23	d	-----	z
1998	2.89		1.86	d	1.38	c	1.03	c	1.27	d	1.35	c	1.20	c	5.20	e	1.45	c	1.45	d	1.13	b	2.56	c	-----	z
1999	1.18	k	0.61	h	1.53	d	1.78	d	1.16	f	1.30	d	1.48	d	1.79	h	5.33	f	7.82	n	0.90	c	0.62	f	-----	z
2000	1.29	h	0.60	g	0.60		2.27	c	1.95	b	2.20	c	1.90	b	3.12	e	1.74	c	0.00		0.82	f	0.76	d	-----	z
2001	0.44	c	0.80	e	1.36	h	0.90		0.78	f	0.96		2.05		1.30		1.47		0.68	e	0.06		0.85		-----	z
2002	2.40	k	1.43	a	4.30	m	2.01	e	1.48	c	2.08	c	1.40		1.48	f	2.90	j	0.95	j	3.45	k	2.23	d	-----	z
2003	0.76	d	3.10	i	1.20	g	2.32	a	0.98	b	2.40	e	1.68	a	1.77	c	3.25	g	-----	z	1.69	b	3.15	b	-----	z
2004	2.10	i	0.94		0.56	b	1.14	c	1.74	c	3.98	g	2.05	v	4.00	c	3.12	a	1.40	f	1.23	f	0.25	w	-----	z
2005	1.82	e	1.01	b	0.95	g	1.59	k	2.35	f	1.49	a	2.02	h	2.39	d	0.78	b	3.97	e	1.36	b	1.37	d	-----	z
2006	0.62	g	-----	z	0.68	f	1.40	f	-----	z	3.30	f	3.30	o	0.28	e	8.20	i	1.33	h	2.54	d	1.12	b	-----	z
2007	1.35	j	0.91	b	0.67	b	1.85	g	0.46	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2008	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2009	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2010	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2011	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2012	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2013	-----	z	-----	z	-----	z	-----	z	-----	z	0.16	y	0.66	s	0.20	x	0.08	u	-----	z	-----	z	-----	z	-----	z
2014	-----	z	0.26	y	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2015	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2016	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2017	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	1.38		1.12		1.23		1.18		1.32		1.34		1.63		2.14		1.96		1.58		1.21		1.14		3.45
S.D.	0.68		0.43		0.48		0.71		0.65		0.72		0.75		1.31		1.68		1.11		0.69		0.59		1.94
SKEW	1.33		0.78		0.73		1.30		0.79		1.44		0.77		1.03		3.52		1.02		0.59		1.20		2.70
MAX	3.85		2.25		2.63		3.87		3.15		4.40		4.37		6.00		11.20		4.76		2.97		3.15		11.20
MIN	0.44		0.45		0.56		0.16		0.24		0.08		0.22		0.28		0.30		0.00		0.06		0.32		1.76
YRS	46		50		49		50		48		49		50		51		48		48		49		49		25