The study also found California's dry season has increased by 23 days.
Southern California residents are facing dire new wildfire warnings and power shutoffs while they prepare to flee at a moment’s notice.
The fires have burned more than 10,000 homes and other structures since Tuesday.
Officials say wildfires ravaging the Los Angeles area this week have killed at least 10 people and burned at least 10,000 homes, buildings and other structures.
Truckee Meadows Fire & Rescue, Reno Fire Department, and Clark County Fire Department say they are all sending a strike team to Southern California to help.
Southern California hasn’t seen more than 0.1 inches (0.25 centimeters) of rain since early May.
The strongest winds in more than a decade could hit Southern California, potentially causing structural damage and bringing extreme fire risk.
The fire erupted shortly before 11 p.m. Tuesday and swiftly moved south, jumping over the famous Pacific Coast Highway.
The Mountain Fire started Wednesday morning in Ventura County.
Forecasters have issued red flag warnings for fire danger until Saturday from the central coast through the San Francisco Bay Area.