K1M4 pressure (QNH) trend
Posey Field
The altimeter setting over time. Sharp falls mark approaching systems; the range tells you what to expect on a transition altitude.
Lowest QNH
1013 hPa
Sep 21, 2026
Highest QNH
1029 hPa
Sep 16, 2026
Mean QNH
1020 hPa
388 archived observations · Archive updated continuously
Advertisement
Sign up to browse without ads →
Advertisement