Temperature data (32 sites)

Hourly temperature data for 32 sites in Ontario (Canada), measured between Jan 2011- Dec 2015. Data was compiled from both HOBO U23 Pro v2 Data Loggers (U23-001)) and weather stations in close proximity, and allowed for the estimation of the following annual variables: ‘spring onset’, ‘calling date’, ‘active period’: period between spring onset and calling date; and ‘breeding period’: period between the calling date and the last day of June.