K00U pressure (QNH) trend
Hardin/Big Horn Cnty, MT, US
The altimeter setting over time. Sharp falls mark approaching systems; the range tells you what to expect on a transition altitude.
Lowest QNH
1003 hPa
Sep 14, 2026
Highest QNH
1025 hPa
Sep 9, 2026
Mean QNH
1016 hPa
1,246 archived observations · Archive updated continuously
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