CHIWAWA RIVER, WA

Total of Precipitation (Inches)

(451426)

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
1925	-----	z	-----	z	-----	z	-----	z	-----	z	3.06		0.10		0.01	0.13		0.18		5.94		8.65		18.07	e
1926	6.69		12.38		0.83		2.81		0.72		0.02		0.03		0.99	4.37		7.38		7.74	p	8.76	s	36.22	b
1927	10.70	s	15.60	r	6.05	x	2.64	x	2.44	x	-----	z	-----	z	1.32	4.44	u	6.57	q	17.52		7.72	n	18.84	j
1928	10.03	l	3.13	q	10.55	i	4.32		1.86		0.30		1.86		0.87	0.88		4.70	w	4.75		4.45	v	14.84	e
1929	3.95		2.43		5.28	s	3.84		1.71		3.37		0.02		0.10	0.24		1.36		1.06		11.84	l	18.08	b
1930	4.17		12.01		7.11		2.30		1.29		2.00		0.20		0.43	0.75	y	3.25		4.67		1.92	w	37.43	b
1931	12.73		7.11		8.91		3.52		1.37		4.10		0.31		0.03	2.36		4.31		8.66		12.22		65.63
1932	8.61		11.83		10.23		2.76		0.46		0.03		1.61		0.63	1.36		5.48		19.94		11.67		74.61
1933	12.44	l	5.66		6.93		0.42		2.93		1.54		1.08		1.10	6.60		9.56		5.95		35.77		77.54	a
1934	16.00		3.37		7.18		0.56		2.55		0.33		1.09		0.48	1.67	w	11.25		14.93		13.27		71.01	a
1935	16.08	l	3.59		6.50	t	0.50		0.62	w	0.75		0.69		0.59	2.81	a	2.51	b	3.60		5.48		20.52	c
1936	12.57	l	7.29	r	5.21		0.46		2.09		2.88		0.57		0.10	1.45		1.32		0.60		16.30		30.98	b
1937	3.75		11.11		2.28		6.42		1.16		5.96		-----	z	0.47	1.97		5.73	t	16.82	g	16.86		49.98	c
1938	7.20		4.68		8.40	h	3.17		0.55	s	0.44		0.69		0.15	0.49		6.87	s	6.58		9.56		32.96	c
1939	13.90		4.37		3.31		1.10		2.68		0.36		0.19		0.07	1.04		3.86		6.37		17.29		54.54
1940	4.90		10.01		6.56		2.27		3.32		0.07		0.70		0.16	1.69		11.74		6.43		9.17		57.02
1941	6.58	a	4.12		1.59		1.81		3.33		1.78		0.33		2.52	4.18	j	5.28		9.60		14.36		51.30	a
1942	3.51		3.51		3.12		1.94		2.17		2.58		0.64		0.21	0.00		3.84		13.69		12.98		48.19
1943	7.74		6.64		8.57		6.42		0.83		0.99		0.38		0.49	0.32		6.91		4.31	a	-----	z	43.60	a
1944	7.16		4.98		3.64		1.46		2.75		1.40		0.55		0.22	4.38		2.81		8.76		2.25		40.36
1945	8.94		8.26		-----	z	-----	z	2.10		0.00		0.06		0.20	3.90		4.72	a	14.61		12.87		55.66	b
1946	-----	z	9.27		5.16		3.45		0.73		2.75	q	1.70		0.92	1.56		6.84		11.20		12.79		53.62	b
1947	11.08		9.13		2.16		2.09	q	0.45		3.08		1.88		0.46	0.36		14.61		3.98		9.87		57.06	a
1948	10.02	a	12.63		4.06		3.53		6.96		1.75		0.72		2.27	3.50		4.31		16.62		15.44		81.81
1949	1.81		14.81		4.30		1.39		1.33		0.70		0.82		0.39	4.11		7.68		17.71		13.96		69.01
1950	13.62		10.08		11.07		4.05		0.55		1.66		0.63		1.60	1.39		12.91		17.03		11.12		85.71
1951	15.12		17.46		6.44		0.96		4.33		0.80		0.28		1.10	4.72		8.70		9.33		8.19		77.43
1952	8.77		5.13		2.05		1.34		1.37		2.32		0.74		1.32	0.64		0.24	g	-----	z	-----	z	23.68	c
1953	-----	z	-----	z	-----	z	-----	z	-----	z	0.25	o	0.20		1.06	4.11		2.86		-----	z	-----	z	8.23	h
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	1.69		1.46	1.78		4.78		14.01		9.41		33.13	f
1955	4.12		10.58		6.05		3.42		2.00		0.40		2.24		0.00	1.26		12.26		18.73		14.88		75.94
1956	11.77		7.30		8.16		0.66		1.68		2.46		1.87		1.43	3.96		10.44		-----	z	-----	z	49.73	b
1957	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.43		0.43	1.40		3.10	h	-----	z	-----	z	2.26	i
Period of Record Statistics
MEAN	8.35		8.17		5.43		2.50		2.03		1.61		0.78		0.71	2.16		6.34		9.87		12.80		66.39
S.D.	4.09		3.96		2.86		1.69		1.41		1.45		0.65		0.65	1.72		3.92		5.78		6.19		14.62
SKEW	0.30		0.44		0.22		0.74		1.72		1.06		0.81		1.07	0.72		0.48		0.21		2.05		-0.42
MAX	16.00		17.46		11.07		6.42		6.96		5.96		2.24		2.52	6.60		14.61		19.94		35.77		85.71
MIN	1.81		2.43		0.83		0.42		0.45		0.00		0.02		0.00	0.00		0.18		0.60		2.25		40.36
YRS	23		26		23		26		26		28		31		33	29		27		27		23		11