Pressure in JSON answer for PWS shows wrong value (real pressure is 1016 hPa, showed value is 1014 or even lower; but even today lowest pressure was minimum 1015 hPa !).
Even on first page of www.wunderground.com where javascript shows currently values is firstly opened false value, and then within a few seconds changed to true value.
Even on first page of www.wunderground.com where javascript shows currently values is firstly opened false value, and then within a few seconds changed to true value.