SEATTLE UNIV OF WASHINGT, WA

Total of Precipitation (Inches)

(457478)

File last updated on April 19, 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
1909	6.48	o	4.90	b	1.41	p	1.22		1.83	n	1.29		0.25		0.39		1.39	u	2.88	s	9.52	g	3.35	t	8.05	g
1910	5.65	j	5.12		1.84	p	2.65	q	2.27		0.86		0.11		0.37		-----	z	4.67	j	7.76	i	3.57	j	8.73	g
1911	3.77	e	1.43	m	1.06	w	1.06		2.35		0.57	v	-----	z	0.12		2.39	s	1.04	t	3.11	a	5.25	h	10.41	g
1912	4.34	j	3.06	l	1.88	t	2.44	l	1.73	u	2.65	s	1.56	u	0.86	y	1.48	x	4.18	n	6.68	i	5.00	j	0.00	l
1913	4.41	h	1.60	s	1.39	l	0.65	v	1.55	o	1.84	n	0.33	w	-----	z	2.41	t	1.53		5.12		2.56	d	9.21	i
1914	9.54		2.13	f	1.79	r	3.69		0.87	u	1.75	u	0.01		0.00		1.31		4.17	p	5.73		1.43	t	20.28	f
1915	6.70	l	2.85	j	2.09	l	3.68	o	2.81		0.63	u	0.37		0.00		0.45	w	3.04	h	6.35		8.34	c	17.87	g
1916	3.32	l	7.01	l	5.12	g	2.01	k	1.13	s	3.17	o	2.84	u	0.10	y	0.71		1.13	q	4.42	g	4.13	h	0.71	k
1917	2.15	j	2.47	d	2.85	h	4.94		1.27	o	3.61	q	0.10		0.01		1.08	s	0.00		0.71	v	8.19		15.71	f
1918	3.88	n	4.58		3.71		0.62		-----	z	0.02		1.87	y	0.94	u	0.09		4.15	j	4.41	m	4.68	n	9.02	g
1919	8.13		3.57		1.76		3.02		2.56		-----	z	-----	z	-----	z	1.77	x	1.51		4.78	e	4.42	q	25.33	e
1920	3.89		0.30		2.67		2.87		1.22		1.67		1.71		1.10		2.26	m	-----	z	4.53		5.89	e	25.85	b
1921	5.60	f	4.77		3.68		2.19		1.99	r	1.51	j	0.30		1.43		1.51		4.64		6.66	b	6.64	j	25.18	d
1922	1.90		1.72		7.27		2.49		0.93		0.04		0.00		1.48	s	1.00	w	1.72	n	2.16	m	6.57	d	20.92	d
1923	7.02	k	1.73	a	1.35	l	1.31		2.09		1.05		0.76		1.87		1.45		1.63		2.12		4.79		18.80	b
1924	4.99		6.40		0.61		1.22		0.72		0.74		0.60		-----	z	2.88	w	5.37		5.14		4.14		29.93	b
1925	6.17		4.91		1.58		2.72		1.38		0.73		0.08		1.71		0.67		0.39		3.91		4.90		29.15
1926	4.93		3.74		0.93		1.08		1.94		0.39		0.02		1.57		1.01		3.31	l	5.48	j	4.72		20.33	b
1927	4.78	m	4.74		3.03		1.34		1.77		0.54		0.75		1.70		2.51		3.62		5.56		2.75		28.31	a
1928	5.41		1.07		5.65		2.98		0.38		1.35	v	0.21		-----	z	0.66		2.66		2.95		3.99	o	21.97	c
1929	2.42		1.43		3.59	h	1.43		1.48		2.04		0.05		1.78		0.30		1.41		1.26		5.99		19.59	a
1930	2.16	b	3.54		1.41		2.02		2.52		2.91		0.00		0.01		1.12		3.55		1.39		1.58		22.21
1931	5.27		2.48		2.85		-----	z	-----	z	3.18		0.09		0.01		3.30		3.30		2.94		7.51		30.93	b
1932	3.81	m	3.51		3.70		2.87		0.54		0.23		2.02		1.52		0.31		3.52		8.90		5.17		32.29	a
1933	5.37		2.13		5.17		0.94		2.83		1.40		0.88		1.67		3.08		3.20		3.41		14.25		44.33
1934	5.41		1.23		2.29		1.84		2.53		0.21		1.19		0.30		2.41		3.37		6.01		4.99		31.78
1935	7.40	k	1.91		3.60		1.06		1.12		1.82		0.52		0.39		1.89		3.35		1.91		3.84		21.41	a
1936	6.76		3.87		1.92		0.80		3.18		2.92		0.62		0.30		1.67		1.05		1.12		5.17		29.38
1937	2.19		6.15		2.27		5.01		1.55		3.11		0.30		1.21		2.03		2.43		7.88		8.16		42.29
1938	3.61		2.96		3.33		1.88		1.39		0.58		0.10		0.49		0.49		3.07		3.13		3.30		24.33
1939	5.85		3.50		2.43		0.09		1.20		1.97		0.51		0.42		1.09		2.34		2.97		10.48		32.85
1940	3.41		6.86		4.85		2.90		3.14		0.60		0.70		0.18		2.26		5.75		3.96		4.23		38.84
1941	5.03		1.85		1.55		2.55		4.07		1.00		0.25		1.97		3.55	l	2.43		5.34		6.86		32.90	a
1942	3.44		2.91		2.90		2.40		2.10		2.94		0.48		0.44		0.21		2.90	q	9.13		5.57		32.52	a
1943	2.91	c	2.20		3.89		2.76		1.93		1.01		0.32		1.23		0.15		6.20		1.81		1.83		26.24
1944	3.71		3.18		1.05		2.92		1.92		1.09		0.65		0.48		1.16		1.94		4.44		1.15		23.69
1945	3.18		5.78		5.57		3.42		2.84		0.62		0.18		0.30		3.85		2.71		7.88		5.91		42.24
1946	4.75		5.80		3.11		2.00		0.44		2.62		0.62		0.12		1.56		3.10		1.83	s	4.37		28.49	a
1947	3.41		-----	z	1.81		2.55		0.71		2.25		1.13		0.78		-----	z	-----	z	4.14		6.21		22.99	c
1948	4.68		5.96		3.19		2.72		4.72		2.22		1.90		1.55		3.39		2.35		5.89		4.57		43.14
1949	1.80		7.22		3.00		1.40		1.26		0.33		0.92		0.61		1.35		3.47		5.57		4.25		31.18
1950	7.42		5.64		6.66		2.31		0.97		0.39		0.98		1.35		1.40		6.03		7.96		6.79		47.90
1951	5.81		6.89		2.49		0.59		1.53		0.36		0.13		0.73		2.14		4.89		5.02		4.27		34.85
1952	4.01		2.09		2.69		1.42		0.62		1.65	e	0.61		0.70		0.44		1.82		1.55	a	4.71		22.31
1953	9.83		1.95		3.59		2.17		2.17		1.97		0.61		0.79		3.06		4.81		4.97		3.85		39.77
1954	7.92		4.69		2.18		2.21		0.37	c	1.59		0.78		0.68		1.25		0.79		6.99		4.45		33.90
1955	1.88		2.84		1.49		2.11		1.99		1.90		2.18		0.00		1.31		4.77		7.76		7.89		36.12
1956	7.94		2.51		5.02		0.80		0.68		3.16		0.14		0.66		2.36		3.99		1.40		4.09		32.75
1957	2.37		4.65	a	5.52		2.22		1.50		1.35		-----	z	-----	z	0.36		3.24	i	1.44	d	4.79		24.20	c
1958	-----	z	5.33		2.27		3.38		0.93		0.60		0.00		0.13	c	1.28		2.85		5.09	d	-----	z	21.86	b
1959	5.51	i	3.34	b	2.91		2.64		2.11		3.55		2.59	c	0.01		2.14		2.79		5.70		6.62		34.40	a
1960	5.51		3.46		3.66		2.47		2.78		1.52	b	0.00		1.99	b	1.02	b	3.48	c	8.15	d	2.17	j	34.04	a
1961	7.04	b	7.62		4.43		1.95	b	2.91	e	0.42	a	0.00	c	0.27	a	0.98	S	3.40	b	4.19	c	3.63	k	33.21	a
1962	2.36		1.55	S	3.37	e	1.72		1.39		0.65	a	1.50		0.13	e	1.62	a	3.58		7.41		2.30	d	27.58
1963	1.51		4.53		1.95	c	2.93		0.95	b	2.51	b	3.77	a	4.32	b	0.94		4.19	b	7.90	a	3.95	e	39.45
1964	-----	z	-----	z	3.92		1.51		1.47		3.58		-----	z	-----	z	2.18		0.96		4.54	i	4.38		18.00	e
1965	4.27		4.10		0.43		3.41		1.39		0.49		0.54		1.73		1.01		2.01		5.47		6.31		31.16
1966	5.26		2.83		3.75		2.59		1.09		0.73		1.87		0.28		1.94		2.99		6.11		6.81		36.25
1967	7.77		1.90		3.59		3.36		0.51		1.52		0.05		0.00		1.15		5.40		2.64		6.40		34.29
1968	6.67		5.39		5.16		2.43		1.79		2.81		0.56		4.00		2.00		3.88		4.94		10.56		50.19
1969	5.35		3.67		1.77		3.51		2.39		1.18		0.22		0.23		5.08		1.85		2.68		8.12		36.05
1970	7.80		1.96		3.45		3.36		1.12		0.47		0.62		0.43		1.90		3.34		4.02		8.31		36.78
1971	5.21		3.94		7.06		2.38		1.44		2.09		1.11		0.51		3.87		2.64		4.71		4.42		39.38
1972	4.45		5.47		6.72		4.58		0.39		2.35		0.65		1.09		3.72		0.54		3.26		9.61		42.83
1973	5.42		1.58		2.38		1.18		1.26		1.82		0.17		0.52		1.53		2.38		6.76		8.63		33.63
1974	5.70		4.27		5.15		1.95		1.23		0.97		1.78		0.12		0.14		1.63		5.10		5.70		33.74
1975	5.30		4.74		4.48		2.23		1.46		1.21		0.05		2.98		0.03		7.50		6.43		6.76		43.17
1976	3.71		4.23		3.17		1.98		1.36		1.10		0.87		2.85		1.44		1.79		0.55		1.37		24.42
1977	2.13		1.88		4.35		1.18		4.08		1.05		0.55		1.84		2.86		2.56		4.53	b	4.79		31.80
1978	5.28		3.20		2.24		3.34		1.96		0.94		2.20		1.31		5.49		1.70		4.97	b	1.62		34.25
1979	0.89		5.06		1.03		2.07		0.85		0.46		-----	z	-----	z	1.69		4.18		1.87		8.69		26.79	b
1980	4.09		5.90		2.86		3.71		1.23		3.03		0.28		1.90		1.36		0.90		6.09		6.38		37.73
1981	3.43		8.44		2.47		2.12		2.80		1.48		1.54		0.19		3.13		6.85		4.42		6.43		43.30
1982	3.65		6.29		3.80		2.52		0.64	a	0.91		0.82		0.50		1.78		3.68		4.72		7.34		36.65
1983	5.80		4.57		3.83		0.89		1.88		1.72		1.57		-----	z	-----	z	-----	z	-----	z	-----	z	20.26	e
Period of Record Statistics
MEAN	4.74		3.90		3.29		2.25		1.71		1.44		0.72		0.92		1.71		3.07		4.69		5.65		35.05
S.D.	2.02		1.81		1.57		1.02		0.94		0.96		0.75		0.95		1.18		1.61		2.12		2.46		6.96
SKEW	0.37		0.27		0.58		0.40		0.90		0.57		1.64		1.54		1.04		0.54		0.03		0.67		-0.01
MAX	9.83		8.44		7.27		5.01		4.72		3.58		3.77		4.32		5.49		7.50		9.13		14.25		50.19
MIN	0.89		0.30		0.43		0.09		0.37		0.02		0.00		0.00		0.03		0.00		0.55		1.15		22.21
YRS	59		67		64		69		66		65		66		63		61		60		64		61		40