%>%                     Pseudo-function to re-export *magrittr*'s pipe.
get_saq_observations    Function to get *saqgetr* air quality
                        observations.
get_saq_processes       Function to get air quality time series
                        processes serviced by the *saqgetr* package.
get_saq_simple_summaries
                        Function to get simple summaries of air quality
                        observations.
get_saq_sites           Function to import information for monitoring
                        sites/stations/facilities serviced by the
                        *saqgetr* package.
get_saq_summaries       Function to import summary integers for used in
                        the *saqgetr* package.
get_saq_validity        Function to import validity integers for used
                        in the *saqgetr* package.
saq_clean_observations
                        Function to clean and format observational data
                        from *saqgetr*'s 'get_saq_observations'
                        function.
tz_central              Functions for time zone strings.
