TOLT SOUTH FORK RESERVOIR, WA

Total of Precipitation (Inches)

(458508)

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
1962	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	9.89		9.89	k
1963	4.17		8.88		6.13		9.88		3.30		7.72		3.87		2.26		3.91		9.11		18.16		9.65		87.04
1964	16.96		6.25		14.28		9.30		8.80		9.88		3.79		8.18		7.38		6.59		11.53		13.42		116.36
1965	15.41		14.39		3.05		7.42		6.35		1.15		1.52		5.31		4.92		8.66		11.72		9.53		89.43
1966	12.76		8.57		7.31		6.50		5.78		5.43		6.01		2.21		2.24		8.25		11.60		15.20		91.86
1967	14.94		6.93		6.61		4.78		2.79		1.52		0.24		0.13		1.55		11.83		6.67		12.20		70.19
1968	6.75		6.76		8.55		8.34		5.70		8.87		2.01		5.67		5.06		9.63		6.21		12.17		85.72
1969	14.61		3.53		5.27		6.70		4.74		5.39		1.04		1.06		9.87		6.25		5.52		11.25		75.23
1970	10.23		4.77		5.47		9.08		2.33		1.39		3.48		1.19		5.77		6.98		9.05		9.46		69.20
1971	18.92		8.47		10.68		4.09		6.26		6.18		3.10		1.41		6.84		6.09		10.74		12.72		95.50
1972	8.72		12.41		9.53		11.45		4.04		6.81		4.62		2.22		8.31		3.48		7.31		16.14		95.04
1973	8.84		4.88		-----	z	5.73		4.03		5.44		0.31		0.57		3.57		8.74		12.23		14.99		69.33	a
1974	17.74		9.13		12.38		9.18		7.98		4.54		4.79		1.71		0.69		1.76		12.38		12.75		95.03
1975	13.79		10.83		8.48		5.00		6.67		5.27		0.80		6.80		0.80		15.77		12.58		16.10		102.89
1976	15.76		7.83		8.85		8.33		4.66		5.17		2.87		6.99		2.65		3.47		6.08		6.96		79.62
1977	6.56		5.50		9.93		6.11		9.50		-----	z	3.10		4.76		5.34		4.37		13.22		12.67		81.06	a
1978	9.37		6.35		6.50		7.72		7.14		2.76		4.43		6.23		11.22		3.85		8.56		10.97		85.10
1979	6.19		14.29		5.19		7.78		5.22		1.59		3.86		1.40		3.77		6.26		3.90		19.84		79.29
1980	7.46		8.57	a	10.38		6.15		4.86		6.25		-----	z	5.44		7.58		2.05	a	14.75		13.38		86.87	a
1981	3.72		11.44		5.47		14.85		8.32		8.57		-----	z	-----	z	7.53		9.23		-----	z	12.47		81.60	c
1982	19.23		15.82		10.23		8.74		3.83		2.46		3.84		5.01		5.77		6.50		9.77		11.40	a	102.60
1983	9.59		8.19		9.70		3.87		1.40		-----	z	8.78		2.62		8.52		5.42		19.39		7.78	e	85.26	a
1984	17.91		7.64		10.93		7.90		12.46		7.90		0.13		1.09		4.23		8.20		-----	z	13.71		92.10	a
1985	1.90		7.84		5.96		-----	z	-----	z	5.16		0.11		1.97		6.07		12.34		10.38		1.94		53.67	b
1986	10.26		6.25		7.45		6.43		9.27		2.46		-----	z	1.24		6.67		6.28		21.48		9.32		87.11	a
1987	9.43		7.99		-----	z	6.37		6.54		1.36		-----	z	1.65		2.33		0.64		7.30		11.56		55.17	b
1988	7.96		9.15		14.78	a	10.07		8.87		4.87		-----	z	2.31		-----	z	10.62		-----	z	-----	z	68.63	d
1989	18.87		4.87		13.40		7.47		7.73		2.79		-----	z	5.08		1.74		7.58		19.02		10.51		99.06	a
1990	21.25		11.76		9.27		9.92		7.51		8.76		-----	z	3.52		1.01		18.95		24.89		-----	z	116.84	b
1991	11.18		14.32		9.55		10.99		6.84		6.31		1.24		3.60		1.83		3.76		-----	z	10.92		80.54	a
1992	16.61		3.94		2.50		-----	z	3.53		5.35		-----	z	1.81		10.81		5.05		15.93		12.78		78.31	b
1993	7.95	a	1.00		-----	z	15.95		7.08		10.17		8.19		2.23		1.05		5.21		8.05		10.43		77.31	a
1994	9.11		8.21		8.00		-----	z	-----	z	7.62		2.95		0.97		-----	z	9.71		15.32		12.45		74.34	c
1995	7.62		11.59		8.28	a	8.18		3.23		6.60		-----	z	4.58		-----	z	15.85		25.34		11.16		102.43	b
1996	15.18	a	14.76		5.30		11.73		11.45		-----	z	2.85		4.97		5.42		16.53		12.34		14.00	a	114.53	a
1997	17.11		11.71		-----	z	11.77		8.23		10.61		6.06		1.80		7.63		12.23	a	8.25		9.32	d	104.72	a
1998	14.70		5.02		9.54		4.37		6.99		-----	z	1.28		0.33		3.22		9.58		17.08		16.15		88.26	a
1999	17.62		9.82	b	8.51		3.81		6.78		7.78		2.09		2.64		1.30		9.13		18.22		16.46		104.16
2000	11.31		7.98		8.62		9.06		9.11		5.29		0.82	g	1.58		7.47		6.98		7.25		5.18		79.83	a
2001	4.92		2.09	j	-----	z	4.27	o	1.50	v	3.67	u	2.99	f	3.26	c	2.02	d	9.95	a	15.37		8.95	j	35.52	g
2002	15.63	c	11.52	a	11.67	a	10.15		6.25	a	6.19		2.75		0.00		5.11		3.75		7.62		7.64	c	88.28
2003	12.83		7.54		15.27		8.65		5.72		2.53		0.42		0.84	a	6.09		15.68		12.35		8.82		96.74
2004	18.64		6.43		8.86		3.96		8.80		3.01		2.06		9.40		13.06		11.06		13.19		12.05		110.52
2005	10.13		2.87	a	9.02		6.43		7.48		8.48		3.77		1.16		5.95		8.05		13.23		9.76		86.33
2006	22.76		7.10		5.02		8.66		7.09		4.95		0.99		0.98		6.86		6.46		25.84		9.46		106.17
2007	11.55		9.23		18.17		6.86		5.17		6.17		2.00		2.69		3.74		10.69		6.80		17.42		100.49
2008	10.52		9.41		11.30		10.40		6.46		9.12		1.99		6.03		4.38		5.54		23.04		12.46		110.65
2009	16.91		3.39		13.90		9.09		7.92		2.07		0.63		2.75		6.24		15.78		17.43		4.82		100.93
2010	12.99		6.71		11.65		8.98		12.56		8.29		1.59		2.35		10.99		10.42		11.19		14.29		112.01
2011	21.38		9.36		17.84		15.04		11.24		7.94		4.80		0.96		3.16		11.64		13.96		6.12		123.44
2012	13.13		16.21		15.59		9.96		8.02		10.78		3.03		0.13		0.96		13.51		14.17		15.72		121.21
2013	13.28		9.16		11.80		16.56		6.73		5.43		0.06		4.11		9.91		3.72		11.98		12.39		105.13
2014	12.12		9.48		21.82		13.17		8.35		4.77		2.69		4.32		5.68		11.69		15.14		11.03		120.26
2015	12.59		9.58		9.61		6.38		1.96		0.99		1.00		3.43		4.38		12.37		16.48		18.35		97.12
2016	11.19		12.92		14.19		4.47		5.13		5.67		3.77		0.85		4.41		16.39		17.07		11.63		107.69
2017	5.42		13.25		19.31		10.64		8.31		4.85		0.05		0.52	d	4.64		12.01		18.31		11.62	b	108.93
2018	17.84		15.42	a	8.33	a	18.06		2.61		5.14		2.19		2.17	c	3.81	d	9.32		16.63		12.51		114.03
2019	8.03		6.79		4.02		11.48		3.10		4.08		2.97		2.30		10.22		11.54		6.06		13.37		83.96
2020	25.43		19.53		10.70		6.07		10.44		5.36		1.87		1.29		6.66		11.29		12.82		16.84		128.30
2021	13.23		20.09		9.34		3.92		6.16		3.70		0.28		2.12		8.14		8.55	a	19.01		13.51		108.05
2022	16.89		10.62		14.92		8.07		12.69		9.68		1.34		0.81		0.18		9.87		10.49		12.71		108.27
2023	7.82		10.54	a	6.93		9.66		2.51		4.27	b	0.62		1.57		6.79		5.57		11.07		17.95		85.30
2024	14.72		10.93		8.82		2.84	k	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	34.47	i
Period of Record Statistics
MEAN	12.70		9.27		9.90		8.63		6.62		5.59		2.56		2.78		5.30		8.82		13.18		11.99		98.67
S.D.	5.05		3.90		4.05		3.28		2.72		2.63		2.00		2.13		3.05		4.07		5.25		3.43		14.78
SKEW	0.14		0.57		0.73		0.79		0.24		0.08		1.05		1.06		0.36		0.31		0.51		-0.29		-0.08
MAX	25.43		20.09		21.82		18.06		12.69		10.78		8.78		9.40		13.06		18.95		25.84		19.84		128.30
MIN	1.90		1.00		2.50		3.81		1.40		0.99		0.05		0.00		0.18		0.64		3.90		1.94		69.20
YRS	62		61		57		57		58		56		50		60		58		61		57		59		39