excerpted from: https://www.dnr.state.mn.us/climate/historical/acis_stn_meta_csg.htmlCSG call: https://maps1.dnr.state.mn.us/cgi-bin/csg.pl?mode=get_data&name=sites_jsonJSONP explanation: https://stackoverflow.com/questions/3839966/can-anyone-explain-what-jsonp-is-in-layman-terms
