Lightning strikes in California by county

The detection network has located 3,391 lightning strikes in California since the archive began, including 3,371 in the last 7 days. The table counts every strike the network placed inside a county boundary.

#CountyStrikesLast 7 daysShare
1San Bernardino County90488826.7%
2Riverside County55655616.4%
3Mono County54854816.2%
4Inyo County42742712.6%
5Fresno County1961965.8%
6Stanislaus County1441444.2%
7Tuolumne County1131123.3%
8Imperial County1011013.0%
9Tulare County92922.7%
10San Diego County59591.7%
11Alpine County59581.7%
12Mariposa County49491.4%
13Madera County45451.3%
14Merced County35351.0%
15Ventura County25250.7%
16El Dorado County11110.3%
17Siskiyou County660.2%
18Monterey County550.1%
19Santa Barbara County550.1%
20Kings County440.1%
21Sierra County220.1%
22Amador County200.1%
23Santa Clara County110.0%
24Kern County110.0%
25Nevada County110.0%

Strike positions carry the network's mean location error of about 5.6 km, so strikes near a county line can be filed one county over. Method and caveats are on the data hub; the full state table is on the United States page.

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