Weewx to generate a customized text file every archival period?

[Chotechai Piyavongsiri]

I've been running Weewx 4.x with Belchertown skin for quite some time.

I intend to use Weewx, if possible, to generate a text file containing one row of summary data from weewx database. The output file will be replaced every archival period, e.g. every 5 minute:

Sample data (1 row):

1005,2 00:02 1009,9 23:31 1009,5 02:38 1010,8 08:14 316.8,4.3,83.5,0.0,82.8,12.6,795.2,22.7,2132.6,182.9,2091.2,93.6,1901.9,60.5,1058.8,50.8 20

Values description:

Pressure max/min: yesterday and today, each value separated by one space:

yesterday lowest pressure value: 9999.9

yesterday lowest pressure time: hh:mm

yesterday highest pressure value: 9999.9

yesterday lowest pressure time: hh:mm

today lowest pressure value: 9999.9

today lowest pressure time: hh:mm

today highest pressure value: 9999.9

today lowest pressure time: hh:mm

Wind: direction, each value separated by comma (frequency of 16 wind directions in the last 24 hours

Each wind direction encompass 22.5 degrees (360 degree / 16 = 22.5 degree)

North (N) frequency  (wind direction value between 348.75-11.25 degree)

NNE frequency (wind direction value between 11.25-33.75 degree)

NE frequency (wind direction value between 33.75-56.25 degree)

ENE frequency.....

E frequency.....

ESE frequency....

SE frequency....

SSE frequency....

S frequency....

SSW....

SW....

WSW...

W....

WNW....

NW....

NNW....(wind direction value between 326.25 to 348.75)

Can it be done by creating Weewx template; or I have to write some kind of coding to achieve it?

Thank you

[Tom Keffer]

The pressure values and times are easy. Something like $yesteray.barometer.min $yesterday.barometer.mintime, etc.

The histogram of wind directions does not exist. You'd have to write a search list extension to do that. 

-tk

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[Chotechai Piyavongsiri]

Thanks.