Many of the larger ones were "complexes", near by started at the same time, bit distinct fires added together I think. (Not a fire expert) https://www.fire.ca.

Many of the larger ones were "complexes", near by started at the same time, bit distinct fires added together I think. (Not a fire expert) https://www.fire.ca.gov/media/4jandlhh/top20_acres.pdf https://www.fire.ca.gov/media/4jandlhh/top20_acres.pdf