20% increase in food prices so far in California

Everyone buys different things so this all can change on a dime. However, my wife tells me regarding what she shops for the prices have gone up about 20% within one month.

If I had any illusions what is driving up food costs the articles I just read about Texas and California tell me why:

• California drought: 17 communities could run out o...
• 40 water systems in Texas likely to run out of wat...
• Mixed Messages regarding Texas Drought
• These are the Texas Towns Running Out of Water
• These 11 Cities May Completely Run Out Of Water So...