Hurricane Dean 's remnant low pressure system then drifted north into southern California , bringing thunderstorms to northern San Diego County , and over 2 inches ( 5 cm ) of rain to Lake Wohlford .
Hurricane Dean 's remnant low pressure system then drifted north into southern California . 
 Thunderstorms occurred in northern San Diego County , and over 2 inches ( 5 cm ) of rain fell at Lake Wohlford .