Sure.
You are looking at one, in gasoline sales.
U6 over 15% looks pretty miserable:
http://helpthe99ers.blogspot.com/2012/02/graph-of-day-u3-u4-and-u6.html
and the less-easily-manipulated population employment ratio is bouncing along the bottom (maybe contracting):
http://data.bls.gov/timeseries/LNS12300000
General sales taxes in CA are down (although the latest data is not up yet):
http://www.indexmundi.com/facts/united-states/state-taxes/california/general-sales-and-gross-receipts/tax-revenue-per-capita/2011/q3#graph
Generally, the harder the statistic, the worse the situation looks. Which, given that we are in an election year and should expect the govt. to be juicing the economy as much as it can, should be worrying.