4 states is more appropriate. Let me draw you the boundaries. States 1 (shasta) ...Humboldt, trinity, Tehama, Plumas, and all counties to the north. State 2 (North California)- Mendocino, glenn, butte, sierra, nevada, placer, El dorado, alpine, Calaveras, San joaquin, Alameda, San Mateo, and all counties in between. State 3 (South California)- santana cruz, santa clara, Stanislaus, Tuolumne, Mono, inyo, Tulare, kings , Monterey, and all counties in between. State 4 (New Costa)- San Luis Obispo, Kern, San Bernardino, and all counties to the south.
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