Thank you Thomas. Your database trick worked and indeed shows ET at a very low value, which I then must better understand and figure-out (or a multiplier for display).
root@raspberrypi:/var/lib/weewx# sqlite3 weewx.sdb SQLite version 3.27.2 2019-02-25 16:06:06 Enter ".help" for usage hints. sqlite> select dateTime, datetime(dateTime, 'unixepoch','localtime'), ET from archive order by dateTime desc limit 20; 1569094200|2019-09-21 15:30:00|0.00113383667160128 1569093900|2019-09-21 15:25:00|0.00115460974957007 1569093600|2019-09-21 15:20:00|0.00117362977424164 1569093300|2019-09-21 15:15:00|0.0011904398413829 1569093000|2019-09-21 15:10:00|0.00120682836842174 1569092700|2019-09-21 15:05:00|0.0012226234610386 1569092400|2019-09-21 15:00:00|0.00123687715492316 1569092100|2019-09-21 14:55:00|0.00125017435348036 1569091800|2019-09-21 14:50:00|0.00126219404937789 1569091500|2019-09-21 14:45:00|0.0012752201510339 1569091200|2019-09-21 14:40:00|0.00128731319969464 1569090900|2019-09-21 14:35:00|0.0012972602173087 1569090600|2019-09-21 14:30:00|0.00130148004764894 1569090300|2019-09-21 14:25:00|0.00130622115073571 1569090000|2019-09-21 14:20:00|0.00131200388265713 1569089700|2019-09-21 14:15:00|0.00131627804628626 1569089400|2019-09-21 14:10:00|0.00131874529135357 1569089100|2019-09-21 14:05:00|0.00132100745579488 1569088800|2019-09-21 14:00:00|0.00132049046840312 1569088500|2019-09-21 13:55:00|0.00132219669245463 sqlite> Thanks, Xant On Tuesday, August 20, 2019 at 10:05:59 PM UTC-4, Thomas Keffer wrote: > > ET *is* in the database schema. > > To calculate it, you need radiation, wind, temperature and relative > humidity. If you have all that, it should be calculated automatically. > Check your database to see what's in it. > > This will show ET for the latest 20 archive records: > > sqlite3 weewx.sdb > sqlite> select dateTime, datetime(dateTime, 'unixepoch','localtime'), ET > from archive order by dateTime desc limit 20; > > Keep in mind that ET will be zero at night. > > -tk > > > On Tue, Aug 20, 2019 at 6:56 PM Xant <[email protected] <javascript:>> > wrote: > >> >> After getting hands-on with WeeWX and Belchertown Skin, changed PWS to >> acquire UV and Radiation. Not a Davis yet, which (at a cost) can provide ET >> by hardware. Still wondering if WeeWX per Radiation, time and the usual wx >> data, can calculate ET. >> >> Already placed "ET = software" in weewx.conf and publishing through >> Belchertown, but only "zero". >> >> Is this possible, or is this the correct way? If so, any else? (ie, must >> extend database?) >> >> Thanks, >> Xant >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/weewx-user/a9832655-1219-4132-806a-6d587e6a153f%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/a9832655-1219-4132-806a-6d587e6a153f%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/43a1bc08-056d-4226-bef9-4077aa7abc90%40googlegroups.com.
