Fire Season Declared

Yosemite National Park has declared fire season starting June 2, 2020 due to hotter and drier weather conditions. Fire season is officially enacted when fire danger rating indices for the park show Moderate for 3 consecutive days. Residential pile burning within the park is not permitted during the fire season. Make sure to follow all fire rules and regulations when recreating and help prevent human caused wildfires by making sure your campfire is out cold when you leave by using the “drown, stir, and feel method.”

Does anyone have any historical data about the date of declaration? I'd be curious to know how much climate change has extended fire season.