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Author Topic: VWS Barometric values  (Read 861 times)
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obyapka
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« on: September 23, 2008, 10:41:37 AM »

Hi, I've started using VWSQL, and looking at my past 3 years worth of VWS data. For every BarometricPressure entry, the mb number has a 0.???? tagged onto it, thus
991.0420  1000.0430 etc etc

Can someone provide some references/info as to what these additional numbers are/mean.

To summarise, the numbers are 26, 40, 41, 42, 43, 44, 45 - hardly random!!

thanks
Brian
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« Reply #1 on: September 23, 2008, 02:32:21 PM »

could be rounding from the conversion to metric from imperial
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mackbig
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« Reply #2 on: September 23, 2008, 03:50:08 PM »

I noticed a similar finding with my data.   My station only displays to the mb. I posted something on ambient about this just prior to its sunset.

My station console shows 1032mb
VWS shows 1032mb  (even if you expand the decimals on VWS it will show 1032.0002654 or something, but always 1 or 2 zeroes)

WU upload says 1031.7
CWOP upload says 1031.8

In fact every entry today on CWOP has .8 (from 1031.8 to 1033.8 )
every entry on WU today has a .7 (from 1031.7 to 1033.7)

I think I have seen different point data, but its always consistent during the particular day.

???

Andrew

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Andrew - Davis VP2+ 6163, serial weatherlink, wireless anemometer, running Weather Display.  Boltek PCI Stormtracker, Astrogenic Nexstorm, Strikestar - UNI, CWOP CW8618, GrLevel3, (Station 2 OS WMR968, VWS 13.01p09), Windows 7-64
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