Barometer - Altimeter Setting from Envoy8x

Reported to CWOP and here as Altimeter Setting. Custom calibrated to match Presque Isle County Airport METAR KPZQ. Other Barometer data is standard Sea-Level pressure.

Plot of Davis barometric pressure. Left scale inches of Mercury. Right scale hPa (same as millibars).

Charts via Meteohub and Envoy8x. Uploaded by Meteohub.