Caltrain and other Peninsula public transit modes are seeing ridership slump this year as Bay Area commuters become fed up with delays, outages and crowded trains and buses.

Compared to February 2016, SamTrans, the agency that runs Caltrain and Peninsula buses, reported a decrease of 12.3 percent in average weekly ridership on all its services. Caltrain ridership is down 3.7 percent compared to last year.

The SamTrans board of directors cite wet weather and a longer winter break at schools as contributing…