PORTOLA, CA

Total of Snowfall (Inches)

(047085)

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)	JUL		AUG		SEP		OCT		NOV		DEC		JAN		FEB		MAR		APR		MAY		JUN		ANN
1914-15	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	15.20	a	23.00		-----	z	-----	z	-----	z	-----	z	38.20	j
1915-16	-----	z	-----	z	-----	z	-----	z	26.00		-----	z	112.00		3.50	y	13.00		-----	z	6.00		-----	z	157.00	h
1916-17	-----	z	-----	z	-----	z	-----	z	-----	z	27.00		-----	z	19.00		28.00		-----	z	0.00		-----	z	74.00	h
1917-18	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	32.00	a	34.00		-----	z	-----	z	-----	z	66.00	j
1918-19	-----	z	-----	z	-----	z	-----	z	11.50		-----	z	13.00		49.50		21.00		-----	z	-----	z	-----	z	95.00	h
1919-20	-----	z	-----	z	-----	z	-----	z	-----	z	31.00		-----	z	-----	z	37.00		-----	z	-----	z	-----	z	68.00	j
1920-21	-----	z	-----	z	-----	z	-----	z	-----	z	33.00	u	39.00	w	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	l
1921-22	-----	z	-----	z	-----	z	-----	z	-----	z	58.00	u	19.00	x	85.00	r	43.00	x	-----	z	-----	z	-----	z	0.00	l
1922-23	-----	z	-----	z	-----	z	-----	z	-----	z	36.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.00	k
1923-24	-----	z	-----	z	-----	z	-----	z	-----	z	10.00		-----	z	-----	z	22.50	x	2.00		-----	z	-----	z	12.00	j
1924-25	-----	z	0.00		-----	z	4.00		4.00		20.00	v	-----	z	21.00		21.00		-----	z	0.00		1.00		51.00	e
1925-26	0.00		-----	z	0.00		0.00		-----	z	-----	z	9.00	y	22.00		-----	z	1.00		-----	z	-----	z	23.00	g
1926-27	-----	z	-----	z	-----	z	-----	z	7.00		-----	z	11.50		19.50	u	20.00		11.00		0.70		-----	z	50.20	g
1927-28	-----	z	-----	z	-----	z	-----	z	4.00		7.00		23.00		2.00		5.00		19.00		-----	z	-----	z	60.00	f
1928-29	-----	z	-----	z	0.00		0.00		5.00		8.00		-----	z	-----	z	4.00		-----	z	0.00		-----	z	17.00	f
1929-30	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	a	38.00		27.00		9.00		7.50		1.00		-----	z	82.50	f
1930-31	-----	z	-----	z	0.00		-----	z	4.00		0.00		9.00		5.00		1.50		-----	z	-----	z	-----	z	19.50	f
1931-32	-----	z	-----	z	-----	z	0.00		21.00		27.00		44.00		2.00		2.00		1.00		-----	z	-----	z	97.00	e
1932-33	-----	z	-----	z	-----	z	-----	z	0.50		15.00		50.00		5.00		10.00		5.00		1.00		-----	z	86.50	e
1933-34	-----	z	-----	z	-----	z	3.00		-----	z	19.50		3.50		3.50		-----	z	-----	z	-----	z	-----	z	29.50	h
1934-35	-----	z	-----	z	-----	z	-----	z	6.80		20.00		-----	z	10.50	w	41.00		0.00		0.00		-----	z	67.80	g
1935-36	-----	z	-----	z	-----	z	0.00		11.00		8.00		4.00		30.00		3.00		2.80		-----	z	0.00		58.80	d
1936-37	-----	z	-----	z	-----	z	-----	z	3.00		30.00	a	71.00	r	14.50		3.00		-----	z	-----	z	-----	z	50.50	h
1937-38	-----	z	-----	z	-----	z	-----	z	-----	z	2.00		-----	z	86.00		23.00		-----	z	0.00		0.00		111.00	g
1938-39	-----	z	-----	z	0.00		0.00		0.00		0.00		13.00		19.00		32.00		-----	z	0.00		-----	z	64.00	d
1939-40	-----	z	-----	z	-----	z	0.00		-----	z	0.00		-----	z	-----	z	-----	z	0.00		-----	z	0.00		0.00	h
1940-41	-----	z	-----	z	-----	z	0.00		-----	z	8.00		-----	z	-----	z	-----	z	1.00		0.00		-----	z	9.00	h
1941-42	-----	z	-----	z	-----	z	-----	z	1.50		-----	z	6.00		15.00		7.00		19.00		4.00		-----	z	52.50	f
1942-43	-----	z	-----	z	-----	z	0.00		5.00		7.00		18.00		11.80	w	7.50		0.00		0.00		0.00		37.50	d
1943-44	-----	z	0.00		-----	z	0.00		-----	z	-----	z	12.50		31.90		-----	z	8.50		-----	z	-----	z	52.90	g
1944-45	-----	z	0.00		-----	z	0.00		7.00		-----	z	4.00		-----	z	-----	z	4.00		0.00		0.00		15.00	e
1945-46	0.00		0.00		0.00		0.00		8.00		15.00		1.50		13.00		20.50		0.00		0.00		0.00		58.00
1946-47	0.00		0.00		0.00		0.00		3.50		1.50		22.00		0.00		10.00		0.00		0.00		0.00		37.00
1947-48	0.00		0.00		0.00		0.00		0.00		1.50		0.00		6.50		14.00		21.00		0.00		0.00		43.00
1948-49	0.00		0.00		0.00		5.00		0.00		27.50		3.50	a	-----	z	9.00		0.00		0.00		0.00		45.00	a
1949-50	0.00		0.00		0.00		0.00		5.20		11.00		51.00		0.00		17.00		0.00	c	0.00	c	0.00		84.20
1950-51	0.00		0.00		0.00		0.00		0.00	c	0.00		31.00		10.00		6.00		1.50		0.00		0.00		48.50
1951-52	0.00		0.00		0.00	d	0.00	b	14.00		38.00		69.00		46.00		44.60		0.00		0.00		0.00		211.60
1952-53	0.00		0.00		0.00		0.00		1.00		25.00	d	9.00		0.00	a	2.00		-----	z	0.00		0.00		37.00	a
1953-54	0.00		0.00		0.00		0.00		3.00		1.50		19.00		10.00		6.00		0.00		0.00		0.00		39.50
1954-55	0.00		0.00		0.00		0.00		0.00		6.00		19.00		2.00	b	0.00		2.50		0.00		0.00		29.50
1955-56	0.00		0.00		0.00		0.00		0.00	r	0.00	e	-----	z	0.00	m	3.50		0.00	a	0.00		0.00		3.50	c
1956-57	0.00		0.00		0.00		3.00		0.50		0.00	e	0.00	x	0.00	c	0.00		0.00	h	0.00		0.00		3.50	b
1957-58	0.00		0.00		0.00		0.00		0.00		0.00	p	8.00	j	-----	z	-----	z	0.00	d	0.00		0.00		0.00	d
1958-59	0.00		0.00		-----	z	0.00		0.00	b	2.00		11.50	c	40.00		0.00	a	0.00		0.00	a	0.00		53.50	a
1959-60	0.00		0.00		0.00		0.00		0.00		0.00	e	21.50	c	14.00	e	0.00	c	0.00		4.00		0.00	d	39.50
1960-61	0.00		0.00		0.00		0.00		11.50	f	2.00		0.00		4.50		10.00		0.00	b	0.00		0.00	b	16.50	a
1961-62	0.00		0.00	d	0.00		0.00	f	11.50		3.00		0.00	d	23.00	g	-----	z	0.00	b	0.00		0.00		14.50	c
1962-63	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		3.00	c	0.00	d	0.00		0.00		3.00
1963-64	0.00		0.00		0.00		0.00		3.00		4.00		47.50		3.40		14.10		2.00		7.00		0.00		81.00
1964-65	0.00		-----	z	0.00		0.00		8.00		43.00		25.00		0.00		17.00		0.00		0.00		0.00		93.00	a
1965-66	0.00		0.00		0.00		0.00		14.00		52.00		5.00		10.00		0.50	a	1.00		0.00		0.00		82.50
1966-67	0.00		0.00		0.00		0.00		8.00		17.00		31.00		4.00		64.00		17.00		2.10		0.00		143.10
1967-68	0.00		0.00		0.00		0.00		16.50		22.00		-----	z	0.00		5.00		0.00		0.00		0.00		43.50	a
1968-69	0.00		0.00		0.00		0.00		6.10		45.50		25.50		80.30		9.20		0.00		0.00		0.00		166.60
1969-70	0.00		0.00		0.00		0.00		2.00		6.00		5.00		9.00		2.00		9.50		6.00		0.00		39.50
1970-71	0.00		0.00		0.00		0.00	g	4.00		65.00		48.00		5.00		4.00		9.00		7.50		-----	z	142.50	b
1971-72	0.00		0.00		4.00		1.50		-----	z	71.70		20.00		7.00		0.00		10.00		6.00		0.00		120.20	a
1972-73	0.00		0.00		0.00		0.00		8.50		12.50	d	-----	z	14.00		-----	z	1.00		0.00		0.00		36.00	b
1973-74	0.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	3.10	b	-----	z	-----	z	0.00		0.00		3.10	h
1974-75	0.00		0.00		0.00		-----	z	-----	z	-----	z	5.00		-----	z	-----	z	5.00		0.00		0.00		10.00	e
1975-76	0.00		0.00		0.00		0.00		3.00		3.00		4.00		7.00		13.00	a	1.00		0.00		0.00		31.00
1976-77	0.00		0.00		0.00		0.00		0.00		2.00		5.50		6.00		5.00		0.00		0.00		0.00		18.50
1977-78	0.00		0.00		0.00		0.00		4.00		1.00	r	-----	z	-----	z	0.00		0.00		0.00		0.00		4.00	c
1978-79	0.00		0.00		0.00		0.00		3.00		1.00	b	12.00		38.00		3.50		1.00		0.00		0.00		58.50
1979-80	0.00		0.00		0.00		0.00		0.00		11.00	a	6.00		0.50		4.00		0.00		0.00		0.00		21.50
1980-81	0.00		0.00		0.00		0.00		1.00		0.00		29.00		7.00		0.00		0.00		-----	z	0.00		37.00	a
1981-82	0.00		0.00		-----	z	-----	z	6.50		1.00		48.50	b	0.00		23.60		61.00		0.00		0.00		140.60	b
1982-83	0.00		0.00		0.00		0.00		24.80		15.00		4.00	f	15.00		6.00		1.50		0.00		0.00		62.30	a
1983-84	0.00		0.00		0.00		0.00		23.50		10.00		4.50	d	-----	z	0.00		0.00		0.00		0.00		38.00	a
1984-85	0.00		0.00		0.00		0.50		3.00		20.00		4.00		32.80		50.80		0.00		0.00		0.00		111.10
1985-86	0.00		0.00		0.00		0.00		24.00	a	5.00		1.00		3.00		5.00		0.50		0.00		0.00		38.50
1986-87	0.00		0.00		0.00		0.00		0.00		0.50		10.50		6.00		2.50		0.00		0.00		0.00		19.50
1987-88	0.00		0.00		0.00		0.00		0.00		26.00		20.50	c	0.00		0.00		0.00		0.00		0.00		46.50
1988-89	0.00		0.00		0.00		0.00		6.50		45.00		24.00		37.00		14.00		1.00		2.00		0.00		129.50
1989-90	0.00		0.00		0.00		2.00		6.00		0.00		19.50		57.50		11.00	a	0.00		2.00		0.00		98.00
1990-91	0.00	d	0.00		0.00		0.00		0.00	b	0.00	b	0.00		0.00		0.00		0.00		0.00		0.00		0.00
1991-92	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
1992-93	0.00		0.00		0.00		0.00		0.00		0.00	b	-----	z	-----	z	0.00		0.00		0.00		0.00		0.00	b
1993-94	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
1994-95	0.00		0.00		0.00		0.00		0.00		0.00		0.00	a	0.00		0.00	a	0.00	b	0.00		0.00		0.00
1995-96	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00	d	0.00		0.00		0.00		0.00		0.00
1996-97	0.00		0.00		0.00		0.00		0.00		0.00		0.00	b	0.00		0.00		0.00		0.00		0.00		0.00
1997-98	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
1998-99	0.00		0.00		0.00		0.00		0.00		0.00	b	0.00	b	0.00		0.00	a	0.00		0.00		0.00		0.00
1999-00	-----	z	0.00		0.00		0.00		0.00		2.00		0.00	b	0.00	a	0.00		0.00		0.00		0.00		2.00	a
2000-01	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00	b	0.00		0.00		0.00		0.00		0.00
2001-02	0.00		0.00		0.00		0.00		0.00		0.00		0.00	a	0.00		0.00		0.00		0.00		0.00		0.00
2002-03	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
2003-04	0.00		0.00		0.00		0.00		0.00		0.00		0.00	b	0.00		0.00		0.00		0.00		0.00		0.00
2004-05	0.00		0.00		0.00		0.00	c	0.00		0.00		0.00	j	0.00	b	0.00	d	0.00		0.00	a	0.00		0.00	a
2005-06	0.00		0.00		0.00		0.00	a	0.00	a	0.00	g	14.00		0.00	e	9.50	h	5.00	a	0.00		0.00		19.00	b
2006-07	0.00		0.00		0.00		0.00		3.00		5.50	a	0.00	a	49.50		2.00		2.00		0.00		0.00		62.00
2007-08	0.00		0.00		0.00		5.00		0.00		10.00	a	49.00		40.00		10.00	a	0.00		0.00		0.00		114.00
2008-09	0.00		0.00		0.00		0.00		1.00		35.40	a	0.50		16.50	a	27.00	a	0.00		0.00		0.00		80.40
2009-10	0.00		0.00		0.00		0.00		9.00		33.30		21.00		15.00	a	25.00		9.00		4.00		0.00		116.30
2010-11	0.00		0.00		0.00		0.00	b	33.00		21.00		-----	z	60.00	u	45.50	q	-----	z	-----	z	0.00	x	54.00	f
2011-12	0.00	q	0.00	r	0.00	y	0.00	v	-----	z	-----	z	-----	z	14.00	x	21.00	u	10.50	p	0.00	h	0.00	o	0.00	l
2012-13	0.00		0.00		0.00		5.00		4.00		47.50		7.00		2.00		5.00		0.00		0.00		0.00	a	70.50
2013-14	0.00		0.00		0.00		0.00		0.00		8.00		0.00		1.00		5.00	f	0.00		0.00	i	0.00		9.00	b
2014-15	0.00	a	0.00		0.00	k	0.00		0.00		4.00		0.00		7.00		0.00		1.50		0.00		0.00		12.50	a
2015-16	0.00		0.00		0.00		0.00		9.00		16.00		13.00		11.50		11.00		2.00		0.50		0.00		63.00
2016-17	0.00		0.00		0.00		0.50		2.50		6.70		78.00		17.50		16.00		16.00		0.10		0.00		137.30
2017-18	0.00		0.00		0.00		0.20		0.00		1.50		6.20		15.50		52.00	a	8.50		0.00	a	0.00		83.90
2018-19	0.00		0.00		0.00		0.00		1.00		2.50	d	24.10	n	6.00	q	0.00	e	0.00	a	1.70	a	0.00		5.20	b
2019-20	0.00		0.00		3.00		0.00		14.00	c	10.00		22.00		0.00		62.00	b	7.00		0.00		0.00		118.00
2020-21	0.00		0.00		0.00		0.00		1.00		9.00		30.00		1.00	a	9.00		2.00		0.00	a	0.00		52.00
2021-22	0.00		0.00		0.00		2.00		0.00		69.30		0.00		4.50		1.50		2.00		1.50		0.00		80.80
2022-23	0.00		0.00		0.00		0.00		12.00	b	42.00	b	45.00		38.50		80.00		5.00		0.00		0.00		222.50
2023-24	0.00		0.00		0.00		0.00		0.00		0.30		7.00		30.00		65.00		0.00	h	-----	z	-----	z	102.30	c
Period of Record Statistics
MEAN	0.00		0.00		0.09		0.37		4.82		12.95		16.20		13.35		12.08		3.26		0.65		0.01		58.77
S.D.	0.00		0.00		0.56		1.13		6.96		17.13		20.50		17.96		17.11		7.87		1.68		0.11		56.08
SKEW	0.00		0.00		6.19		3.18		1.99		1.61		2.05		1.91		2.01		5.00		2.80		8.83		1.03
MAX	0.00		0.00		4.00		5.00		33.00		71.70		112.00		86.00		80.00		61.00		7.50		1.00		222.50
MIN	0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00		0.00
YRS	78		79		78		85		89		92		82		86		90		88		88		81		49