15 GB
The barometric pressure field
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Barometric pressure display:
At the top right is the barometric
pressure at the time shown in the HIST
field (history).
If LLL (or LL.LL when setting the unit
inHg), the display range is below
850 hPa (25.1 inHg), if HHH (or
HH.HH), it is above.
By default the current barometric pressure (HIST = 0) is shown in the
unit mb (millibar) or hPa (hectopascal). However, the display can also
be set to the uncommon unit inHg (inch of mercury). Please refer to
section Basic settings.
The bar graph shows a graphic of the barometric pressure 0, 1, 2, 3,
6 and 12 hours ago.
The barometric pressure trend:
The trend will appear as rising (or dropping), when the
barometric pressure changes by 2 hPa (= 0.06 inHg) or
more within an hour and will maintain the direction for one
hour even without any further change.
The weather forecast:
The weather station calculates a weather forecast for about the next
12 hours based on the barometric pressure trend. Of course this fore-
cast can‘t compare to that of professional weather services supported
by satellites and high performance computers, but merely provides an
approximate indication of current developments.
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