No idea how much is actually sent to California as federal 'disaster relief' - needs digging - but these are some of the $ damages claims.
The 'redbooks' (data source - link below) goes back to the 1940's.
https://www.fire.ca.gov/fire_protection/fire_protection_fire_info_redbooks
>>2369720 I think the tricky part is that there are so many different ways of gaining access to financial 'help' and few ways of tracking the results of that 'help'. (I'm thinking of how many scams were run during the Katrina disaster.)
https://www.caloes.ca.gov/cal-oes-divisions/recovery/public-assistance/california-disaster-assistance-act