SISTERS, OR

Total of Precipitation (Inches)

(357857)

File last updated on April 23, 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
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	t	0.28		0.36		2.99		1.07		4.70	h
1959	2.57		1.84		0.75		0.12		0.46		0.34		0.05		0.11		0.53		0.81		0.45		0.59		8.62
1960	1.55	a	2.22		3.31	a	1.02		0.54		0.02		0.05		0.17		0.19		0.66		4.55		1.80		16.08
1961	0.84		3.78		1.43	d	0.66	a	0.84		0.68		0.04		0.06		0.55	a	1.40	a	4.64		3.20		18.12
1962	1.87		1.50		1.63	a	0.65		1.09		0.04		0.01		0.48		0.35		2.30		2.03		1.90		13.85
1963	2.21		1.92		1.07		1.01		0.78		0.39		0.36		0.20		0.67		0.26		2.66		1.41		12.94
1964	3.48		0.02		0.71		0.26		0.07		0.62		0.09		0.16		0.02		0.23		2.30		12.24		20.20
1965	3.05		0.38		0.10		0.98		0.20		0.84		1.37		1.59		0.07		0.35		2.15		0.72		11.80
1966	3.35		0.46		0.63		0.05		0.17		0.22		0.78		0.00		0.31		1.00		1.73		2.87		11.57
1967	4.06		0.16		1.50		1.25		0.22		1.09		0.00		0.00		0.12		1.59		0.66		1.94		12.59
1968	1.66		1.93		0.24		0.05		0.94		0.10		0.10		1.25		0.38		0.51		2.22		2.49	k	9.38	a
1969	0.05	i	-----	z	-----	z	0.17		0.69		1.92		0.39		0.00		-----	z	0.67		0.31		3.02		7.17	d
1970	5.22		1.12		0.88		0.21		0.13		0.57		0.96		0.00		0.10		0.93		3.34		1.78		15.24
1971	4.53		1.14	d	2.11		0.30		1.11		0.52		0.13		0.13		0.89		0.58		1.70		1.98		15.12
1972	3.96		1.05		3.02	b	0.76		0.43	a	0.49		0.03		0.30		0.76		0.88		0.41		2.38		14.47
1973	0.74		0.65		0.21		0.17		0.68		0.05		0.17		0.10		1.09		1.41		4.59		2.97		12.83
1974	3.01		2.33		2.10		1.59		0.12		0.04		0.13		0.07		0.00		0.47		1.35		1.72		12.93
1975	2.39		3.77		2.67		0.07		0.08		0.79		1.03		0.64		0.00		1.33		2.25		1.70		16.72
1976	2.02		2.06		0.93		0.85		0.06		0.36		0.42		2.27		0.61		0.64		0.63		0.15		11.00
1977	0.48		0.43		0.66		0.00		0.49		0.48		0.00		0.40		0.70		0.77		4.09		4.16		12.66
1978	2.33		0.97		1.31		1.69		0.14		0.52		1.84		0.59		0.53		0.26		1.42		1.22		12.82
1979	-----	z	2.06	e	1.15		1.03		-----	z	0.10		0.00		1.24		0.26		1.90		0.15	f	0.61		8.35	c
1980	3.93		-----	z	-----	z	-----	z	-----	z	0.68	j	0.16		0.00		0.56		0.55		1.68	b	4.19		11.07	e
1981	1.19	a	2.54	c	0.83		0.25		2.44		0.56		0.33		0.00		1.44		0.15		3.70	c	7.07	f	13.43	a
1982	2.27	f	2.95		0.51	b	2.18	g	0.19	c	2.36		0.40		0.20		2.06		1.67		1.56	d	0.69	c	12.59	b
1983	2.22	f	3.21	a	3.09		1.17	b	0.26	c	0.02		0.33		0.37		0.15		0.26	f	2.91	b	5.20	h	11.51	c
1984	1.16	c	2.25	e	1.00	c	0.81		0.41		0.63		0.00		0.14		0.44		4.75		6.20		0.48	c	18.27
1985	0.11		1.05		0.65	f	0.45		0.47		0.72		0.12		0.08		1.06	b	0.93		0.64		1.30		6.93	a
1986	3.06	b	5.26	a	1.03		0.24		0.28		0.18		0.36		0.05		0.69	b	0.41		2.01	c	0.89	f	13.57	a
1987	2.04	a	2.16	h	0.22	b	0.12		-----	z	0.00	b	2.45		0.02		0.09		0.00		0.85		4.12		9.91	b
1988	1.91	h	0.42	b	1.03		1.28		0.41	b	0.74	b	0.00		0.00		0.13	a	0.00		4.60	a	0.95	a	9.56	a
1989	3.04		1.00		2.67		1.33		0.63		0.04		0.00		1.41		0.03		0.36		0.47	a	0.41		11.39
1990	3.89		0.62		0.40		1.99		1.57		0.42		0.27		1.18		0.12		0.54		0.71		0.87		12.58
1991	1.23		0.21		1.14		0.63		1.63		1.47		0.35		0.67		0.00		1.09		4.11		1.01	a	13.54
1992	1.19		1.14		0.89		2.29		0.55		-----	z	0.59		0.19		0.83		1.31		1.93		3.09	d	14.00	a
1993	3.39		1.49		1.49		0.98		2.88		1.01		0.45		1.01		0.00	b	0.62		0.55		1.48		15.35
1994	1.17	a	0.56		0.64		0.48		0.43		0.73		0.50		0.00		0.52		1.89		1.84	a	0.30		9.06
1995	3.88		1.92		0.72	a	1.59		1.09		1.39		1.66		0.09		0.12		0.33		2.91		2.83	l	15.70	a
1996	4.53	i	2.81	a	0.81		1.80	a	1.24	a	0.92		0.08		0.11		0.02	a	1.40	b	4.02		5.51	c	18.72	a
1997	1.78	a	1.54		0.88	a	0.91		0.20		0.98	b	0.80		0.97		1.06		2.04		0.45		0.47		12.08
1998	2.71	b	1.02	c	0.41	b	0.30		3.95	a	0.52		0.69		0.40		0.02		0.12		2.52	b	3.10	a	15.76
1999	1.56	b	1.98	c	0.96		0.02		0.15		0.10		0.00		2.33		0.00		1.92		2.99	b	0.90	b	12.91
2000	2.40	d	1.87		0.46	a	0.58		0.27		0.18		0.05		0.00		0.18		0.79		0.63		1.65		9.06
2001	0.17	b	1.22		0.63		0.49	a	0.18		0.08	b	0.74		0.15		0.60		1.02		3.30		2.23	d	10.81
2002	3.15	e	0.35	a	0.36	a	0.45	f	0.05		0.07		0.00		0.15		0.00		0.25		-----	z	1.79	c	6.17	b
2003	1.20		0.30		1.08		0.53	d	0.99		0.04		0.00		0.90		0.52		0.00	b	1.09	x	2.62	x	5.56	b
2004	0.43	y	1.68	b	0.00	i	0.76	w	1.00	m	0.82	y	0.40		1.91	a	0.30		0.74	y	0.31		2.37	x	4.60	g
2005	0.69	c	0.30		1.31		1.37	b	2.28	a	0.57		-----	z	0.00		0.05		0.86		2.41	v	6.06	i	7.43	c
2006	4.23	m	0.13	l	0.64	b	1.27	c	0.25	b	0.98	v	-----	z	0.07		0.19		0.52		2.26		2.59	y	5.20	e
2007	-----	z	0.35	e	0.27		0.50		0.39		0.26		0.89		0.22		0.60		2.46	a	2.34	a	2.88	t	8.28	b
2008	2.08	b	0.66	c	1.07	a	0.62	b	-----	z	-----	z	0.00		0.12		0.05		0.64		1.02	a	2.24	d	8.50	b
2009	1.96	b	0.44	d	1.19	b	0.52		2.38		2.56		0.03		0.00		0.00		1.90		0.85		1.24		13.07
2010	2.25	b	0.58		0.84	c	1.18	e	1.27		1.50		0.00		0.23		0.79		0.76	b	1.27		2.34	h	10.67	a
2011	0.65	e	1.41	d	0.77	e	0.17	h	1.10	j	0.98		0.73		0.22		0.00		0.21	b	0.76	b	2.01		7.74	b
2012	2.88	c	0.43	c	2.06	c	0.68		0.86		0.36	h	0.36	a	0.20		0.09	b	1.24	e	1.76	l	1.11	m	8.80	c
2013	0.00		0.10	a	0.59		0.83	a	0.27	d	1.08		0.00		1.25		2.20	a	0.23	p	0.65		1.11	a	8.08	a
2014	1.34		7.67	b	1.65	b	0.27		1.08		0.22		1.25		0.19		0.36		1.12		1.71	d	3.17	a	20.03
2015	0.28	f	0.76	e	1.36	c	0.41	e	0.93		0.03		0.02	a	0.25	a	0.40	b	0.51	S	2.47	d	4.09	f	7.14	b
2016	2.20	c	0.51		1.59	c	0.30	a	0.56		0.07		0.13	a	0.00		0.00		2.22	b	0.29	d	2.44	S	7.87	a
2017	3.15	e	1.12	b	1.70		0.55	c	0.12	b	0.06		0.00		0.00		0.80	a	1.25	a	0.42	c	0.11	c	9.28
2018	0.38	c	0.50	c	0.18	b	0.34	b	0.24	b	0.98	a	0.00		0.15		0.00		0.39	c	1.08	a	2.03	k	4.24	a
2019	-----	z	0.00	f	2.11	h	4.73	g	0.60	o	0.91	e	0.02		0.46		1.80		0.01		1.88		1.80		6.88	e
2020	2.11	a	0.32		1.35		0.40	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	3.78	i
2021	-----	z	-----	z	-----	z	-----	z	-----	z	0.49	a	0.05	b	0.22		0.00	a	0.45	a	0.93	b	-----	z	2.14	f
2022	0.00	k	0.00	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
2023	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
2024	4.79	k	0.32	t	0.00	m	0.00	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
Period of Record Statistics
MEAN	2.18		1.44		1.13		0.73		0.74		0.59		0.37		0.41		0.43		0.93		1.99		2.04		13.52
S.D.	1.24		1.36		0.75		0.55		0.79		0.57		0.51		0.57		0.50		0.81		1.40		1.94		2.98
SKEW	0.23		2.22		1.19		0.81		2.04		1.48		2.02		1.83		1.73		2.01		0.83		3.30		0.51
MAX	5.22		7.67		3.31		2.29		3.95		2.56		2.45		2.33		2.20		4.75		6.20		12.24		20.20
MIN	0.00		0.02		0.10		0.00		0.05		0.00		0.00		0.00		0.00		0.00		0.29		0.11		8.62
YRS	51		57		57		55		54		56		60		62		62		60		58		47		32