PLAIN, WA

Total of Precipitation (Inches)

(456534)

File last updated on April 16, 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
1937	-----	z	-----	z	-----	z	2.03		0.43		4.27		0.18		0.32		1.07		1.10		6.25		6.39		22.04	c
1938	2.91	o	3.00		2.16		0.59		0.13		0.29		0.68		0.01		0.30		1.73		4.26	a	1.88		15.03	a
1939	3.59		3.42	p	0.95		0.27		1.14		0.23		0.04		0.25		0.49		1.70		2.52		5.40		16.58	a
1940	2.26		2.86		1.51	r	2.23	s	0.73		0.04		0.64		0.00		1.94		2.64		3.67		-----	z	14.78	c
1941	-----	z	0.50	w	0.75		1.52		1.11		0.70		0.50		1.11		2.28		1.13		2.83		4.89		16.82	b
1942	1.92		1.40		1.28		0.43		1.84		0.57		0.51		0.11		0.00		4.00		6.28		5.58		23.92
1943	4.56		2.85		-----	z	-----	z	-----	z	-----	z	0.00		0.18		0.00		1.02		2.22		2.94		13.77	d
1944	1.84	t	2.68		1.76		0.92		1.05		1.72		0.06		0.05		1.94		0.39		3.13		1.37		15.07	a
1945	2.46		4.20		1.65		0.46		1.15		0.05		0.00		0.26		0.67		1.33		3.84		6.43		22.50
1946	4.88		2.72		1.28		0.70		0.30		3.20		0.10		0.34		0.46		2.59		5.68		8.17	a	30.42
1947	-----	z	1.94		0.28		0.85		0.09		-----	z	-----	z	0.09		0.65		5.51		1.89		2.31		13.61	c
1948	2.58		4.80		1.57	u	0.65		4.88		1.75		0.66		0.93		1.02		1.86		4.60		7.44		31.17	a
1949	0.65		4.97		1.87		0.28		0.30		0.19		0.00		0.16		1.55		1.66		6.31		4.79		22.73
1950	4.37		2.55	k	2.39		0.79		0.19		0.83		0.00		0.15		0.40		1.67	g	4.52	q	3.89		13.01	c
1951	6.55	b	4.19		0.62	g	-----	z	-----	z	0.90		0.57		1.43		0.90		3.68		-----	z	-----	z	18.22	e
1952	-----	z	1.24	d	0.22	a	0.00		0.00	d	1.72		0.00		0.40		0.34		0.00		0.56	b	3.15	a	7.63	a
1953	13.90		2.36		0.20		0.61		1.53		0.51		0.00		0.75		0.31		0.31		4.20		7.89		32.57
1954	8.14	d	4.08	a	1.53		0.58	d	0.12		1.31	a	0.57		1.12		0.97		2.50		5.22		3.50	a	29.64
1955	1.08		5.78		4.21		0.71		0.17	b	0.16		0.89		0.00		0.34		5.57		8.69	b	9.80	a	37.40
1956	3.84	b	1.73		3.95		0.00		0.00	g	1.49		0.59		0.92		1.52		3.01		1.93		4.29		23.27	a
1957	1.96		3.71		2.77	f	0.98	m	1.02		0.61		0.05		0.58		0.69		1.86	b	1.17		7.66	h	11.65	c
1958	2.35	e	2.83	d	0.70		2.90	c	0.39		0.79		0.27		-----	z	-----	z	-----	z	7.24	c	4.55	l	17.47	d
1959	2.65	c	2.46	c	1.51		0.81		0.53		0.45		0.00		0.00		2.69		3.85		5.59		3.90		24.44
1960	2.02	s	2.92	b	1.45	i	-----	z	1.53		0.00		0.00		-----	z	0.21		0.94	h	6.14	d	1.85	b	12.65	e
1961	3.27		5.17	s	2.42	s	0.79		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	4.06	j
1962	-----	z	0.48	a	-----	z	2.17	a	1.34		0.39		0.35		-----	z	0.69		-----	z	7.40		2.47		15.29	d
1963	0.57		2.81		2.06		2.58		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	2.57	i	2.01	j	8.02	h
1964	9.43		0.96		2.05	d	1.70		0.11		1.07		0.20		0.70		0.80		1.68		3.91		7.74	b	30.35
1965	7.72		2.42		0.53		2.54		0.72		0.61		0.68		0.91		0.49		0.40		2.38		1.34	n	19.40	a
1966	1.70	j	2.42		2.65		0.12		0.60		1.27		1.19		0.00		0.37		1.94		3.14		3.97		17.67	a
1967	7.11		2.60		2.44		2.52		0.80		0.94		0.00		0.00		0.14		6.03	f	-----	z	-----	z	16.55	c
1968	-----	z	-----	z	-----	z	-----	z	0.63		0.21		0.00		1.92		0.55		1.63		5.50		7.85		18.29	d
1969	6.34		0.40	o	0.78		1.24		0.32		0.30		0.04		0.00		2.06		0.97		0.98		4.29		17.32	a
1970	6.64		1.24		1.05		1.22		0.21		0.12		0.01		0.03		0.50		1.16		4.88		5.26	m	17.06	a
1971	8.07		2.44		3.20		0.66		0.50		0.42		0.22		0.36		0.75		1.37		3.17		6.92		28.08
1972	10.94		8.99		5.75		1.43		1.28		2.07		0.51		1.23		1.04		0.17		2.55		5.54		41.50
1973	2.19		0.57		1.08		0.21		0.67		0.39		0.23		0.02		1.11		2.90		5.16		7.40		21.93
1974	10.81		2.34		3.33		1.50		0.82		0.67		1.23		0.00		0.12		0.51		3.63		7.23		32.19
1975	7.18		3.91		1.54		0.80		1.85		0.65		0.25		2.02		0.00		3.33		6.40		7.98		35.91
1976	5.21		4.59		2.56		1.46		0.36		0.15		0.27		2.01		0.05		1.03		0.76		2.47		20.92
1977	1.10		2.72		3.10		0.18		1.27		0.33		0.07		0.95		1.78		0.86		9.62		10.89		32.87
1978	2.96		2.69		1.21		1.81		0.39		0.34		0.63		0.86		1.33		0.21		3.42		3.49		19.34
1979	1.88		5.60		1.43		0.59		0.24		0.38		0.56		0.83		0.85		1.94		1.13		8.67		24.10
1980	4.04		3.74		1.89		1.15	b	1.35		2.31		0.02		0.72		1.28		0.31		5.41		7.06		29.28
1981	1.37		5.64		0.54		1.64		1.35		1.23		0.20		0.28		0.93		2.75		2.97		6.68		25.58
1982	8.36		4.68	a	2.62		1.20		0.58		1.04		1.12		0.30		1.21		1.65		2.75		5.10		30.61
1983	7.08		2.93		3.45		2.01		0.67		0.55		0.64		1.12		1.68		0.41		7.30		3.39	a	31.23
1984	3.69		2.02	a	2.93		1.28		1.52		2.21		0.00		0.53		1.09		2.49		4.60		3.57		25.93
1985	0.40	b	2.18		1.74		0.98		0.37		1.14		0.43		0.09		1.10		4.48		4.13		1.38		18.42
1986	5.11		4.71		1.05		0.73		0.70		0.67		0.15		0.91		1.45		0.96		6.83		2.49		25.76
1987	3.60		2.87		2.50		0.90		0.96		0.37		0.36		0.02		0.04		0.03		1.25		7.68		20.58
1988	2.55		1.40		2.12	a	2.26		0.94		1.28		0.10		0.11		0.99		2.13		6.93		3.08		23.89
1989	4.16		1.74		2.56		2.54		1.71		0.41		0.43		0.58		0.22		2.00		3.84		2.43		22.62
1990	9.65		4.92		1.18		1.58		2.03		0.77		0.56		2.25		0.08		4.32		10.33		5.42		43.09
1991	3.27		4.44		2.60		1.58		1.72		1.06		1.40		0.60		0.23		1.72		4.92		3.92		27.46
1992	4.98		2.40		0.76		1.55		0.01		2.85		0.85		0.08		0.92		1.27		3.64		3.86		23.17
1993	3.37		0.45		1.25		1.81		1.02		1.88		1.57		0.14		0.23		0.74		0.96		5.00		18.42
1994	2.38		4.82		1.96		1.26		1.25		1.15		0.00		0.58		0.20		5.82		5.28		5.73		30.43
1995	4.72		4.14		2.37		1.12		1.51		0.91		0.85		1.72		0.56		4.03		12.24		5.27		39.44
1996	5.77		7.75		1.43	a	3.06		1.23		0.17		0.54		0.00		0.70		3.19		4.63		10.48		38.95
1997	4.14	a	2.76		4.91		1.71		1.22		1.36		0.31		0.62		1.77		4.45		2.06		2.04		27.35
1998	6.89		2.52		1.38		1.32		3.52		2.16		0.76		0.05		0.00		0.30		7.01		8.02		33.93
1999	5.79	a	5.60		1.80		0.10	a	0.78		0.35		0.03		0.83		0.40		2.04		5.47		5.65		28.84
2000	4.05		3.01		1.97		0.51		0.47		0.51		0.24		0.02		1.17		1.08		2.10		3.05		18.18
2001	1.59		1.64		2.24		0.68		0.70		1.00		0.11		2.19		0.37		3.24		4.24		5.94		23.94
2002	4.90		2.29		3.65	b	1.50		0.67		0.48		0.40		0.05		0.25		0.12		2.15		5.31		21.77
2003	7.75		1.51		5.99		1.57		0.09	a	0.11		0.00		0.03		0.00		4.07		6.71	a	3.18	a	31.01
2004	3.55		1.43		1.63		0.71		1.14		0.60		0.36		0.94		1.52		2.27		1.85		3.60		19.60
2005	3.62		0.68	a	2.19		0.78		2.58		0.56		0.55		0.07		0.89		2.20		4.06		4.51		22.69
2006	7.99		3.03		1.88		1.04		1.27		1.54		0.26		0.00		0.98		0.52		12.20		5.76		36.47
2007	5.25	b	2.29		1.86		0.70		1.61		0.32		0.28		0.08		0.33		1.67		2.93		9.22		26.54
2008	3.65		3.60		1.03		0.27		0.61		0.47		0.00		0.45		0.08		1.81		7.68		4.15		23.80
2009	7.84		0.80		3.51		1.16		1.59		0.45		0.41		0.04		0.78		3.70		3.19		1.70	a	25.17
2010	4.10		1.80		0.89		1.81		2.90		1.28		2.63		0.42		1.48		1.42		3.29		5.01		27.03
2011	4.94		2.30	e	5.94		1.21		2.14		0.76		0.56		0.00		0.22		1.99		2.88		3.66		26.60
2012	4.15	i	3.22	b	4.37		1.58		0.24		0.89	i	0.43	a	0.00	d	0.00	b	4.07	a	4.00	b	7.02		24.93	b
2013	1.72	a	0.97	a	1.54	b	1.55		1.60	a	0.56	a	0.15		1.20	b	3.93		0.89		3.04	b	3.07	a	20.22
2014	2.83		6.36		3.16		0.65	a	0.17		0.09	b	0.55		1.56	c	0.64		3.61	a	3.61	c	4.18	c	27.41
2015	4.13		1.82		1.34	a	0.49		0.69	a	0.13	d	0.57	a	0.27	b	0.30	b	3.34	a	6.70	b	8.06	d	27.84
2016	3.69	a	2.60		4.09	a	1.40		0.65	a	0.58		0.68		0.22		0.19		5.57		2.33	b	3.60		25.60
2017	1.71		3.21		3.78		1.99	a	1.25		0.39		0.00		0.00	a	0.19		3.48		4.09	a	2.64	c	22.73
2018	4.28		2.95	a	2.35		2.97	a	1.09		0.38	a	0.11	b	0.02		0.20	a	2.04	a	2.61		5.40	a	24.40
2019	3.21	a	2.37		0.63		1.43	a	2.19	b	0.70		0.35		1.04		1.01	b	1.53		0.83		3.18	a	18.47
2020	7.43	b	3.48		0.79		0.41		1.79		0.92	a	0.00		0.03	a	1.60		3.94	b	4.52	d	2.59		27.50
2021	4.80		5.04		0.93		0.18		0.22	a	0.41	a	0.05	b	0.55		0.43		2.14	a	4.96	b	4.34	a	24.05
2022	4.56	g	2.02		1.20		2.56		1.46		1.58	a	0.13	b	0.00		0.05		0.27	c	6.24		4.61	a	20.12	a
2023	2.01	d	1.58	b	1.08		0.97	b	1.02	f	0.70	a	0.00	c	0.53	c	0.74	e	1.26	a	2.68		4.28	a	15.83	a
2024	4.04		1.69		1.38		0.39	o	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	7.11	i
Period of Record Statistics
MEAN	4.60		3.00		2.08		1.19		1.02		0.86		0.38		0.52		0.78		2.11		4.39		4.99		27.06
S.D.	2.68		1.61		1.30		0.75		0.82		0.76		0.43		0.59		0.70		1.47		2.44		2.24		5.96
SKEW	0.93		1.08		1.14		0.59		1.80		1.89		2.25		1.29		1.56		0.67		0.98		0.56		0.75
MAX	13.90		8.99		5.99		3.06		4.88		4.27		2.63		2.25		3.93		5.82		12.24		10.89		43.09
MIN	0.40		0.45		0.20		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.56		1.37		18.18
YRS	76		81		78		81		81		82		84		82		84		80		82		78		59