Tornado Count by County				Tornado Count by Fujita Scale
county	total	Per 1000 mi^2		f0	f1	f2	f3	?
Alameda	3	4.1		3
Butte	13	7.9		6	4	1		2
Calaveras	1	1.0						1
Colusa	2	1.7		2
Contra Costa	5	6.9		4	1
Del Norte	6	6.0		3	2			1
El Dorado	2	1.2		2
Fresno	25	4.2		17	6	1		1
Glenn	6	4.6		4	1	1
Humboldt	1	0.3				1
Imperial	7	1.7		4	2			1
Inyo	1	0.1		1
Kern	12	1.5		11	1
Kings	8	5.8		5	1	1		1
Los Angeles	43	10.6		23	9	5		6
Madera	8	3.7		5	2			1
Marin	1	1.9			1
Mariposa	2	1.4		2
Mendocino	3	0.9		1	1			1
Merced	17	8.8		12	4			1
Monterey	4	1.2		2	2
Nevada	1	1.0			1
Orange	31	39.3		16	10	1	1	3
Placer	4	2.8		3	1
Riverside	21	2.9		15	3	1	1	1
Sacramento	11	11.4		8	2	1
San Benito	1	0.7				1
San Bernardino	29	1.4		13	7	2		7
San Diego	26	6.2		18	7			1
San Joaquin	18	12.9		14	2			2
San Luis Obispo	2	0.6		2
San Mateo	4	8.9		2	1			1
Santa Barbara	6	2.2		5				1
Santa Clara	6	4.6		3	1	2
Santa Cruz	5	11.2		3	2
Siskiyou	1	0.2			1
Solano	4	4.8		4
Sonoma	13	8.2		2	8	1		2
Stanislaus	9	6.0		2	4	1		2
Sutter	4	6.6		3	1
Tehama	6	2.0		1		2		3
Tulare	13	2.7		11	1	1
Ventura	6	3.3		6
Yolo	2	2.0		2
Yuba	3	4.8		1	2

[go to CSV File of All California Tornadoes] 

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