WU Barometric pressure .117 inches higher than WD stated pressure.

When I installed WD several years ago I adjusted the barometric pressure readout to sea level in “offsets”. The offset was about +1.5 inches.The adjusted readings were properly reported on WU for years. Recently both the pressure reported on WD and WU went haywire. I again adjusted the WD readings using Barometer “offsets” so that WD showed the correct sea level pressure. BUT then the WU started showing a pressure .117 inches HIGHER than (correct) WD reading.

Now I have adjusted the “Offsets” so that WD shows lower than actual seal level pressure so that WU is reporting the correct pressure.

By the way, I live at 1,200 feet above sea level and the offset when I set up the equipment was about +1.5 inches.

Equipment: Oregon Scientific WMR 200, WD build 54, Windows xp.

Is there something in settings that I am missing?

it could be that wunderground have decided to apply a barometer offset to bring your reading to what they think it should be