There is sub-hourly (5 min) data for a station near Barrow here, since 2006: https://www.ncdc.noaa.gov/crn/qcdatasets.html https://www.ncdc.noaa.gov/crn/qcdata

There is sub-hourly (5 min) data for a station near Barrow here, since 2006: https://www.ncdc.noaa.gov/crn/qcdatasets.html https://www.ncdc.noaa.gov/crn/qcdatasets.html