CYHD pressure (QNH) trend
Dryden Regional Airport
The altimeter setting over time. Sharp falls mark approaching systems; the range tells you what to expect on a transition altitude.
Lowest QNH
997 hPa
Sep 15, 2026
Highest QNH
1031 hPa
Sep 22, 2026
Mean QNH
1018 hPa
992 archived observations · Archive updated continuously
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