We're not going to see the mythical spike detector <https://github.com/weewx/weewx/issues/3> resurrected are we? (also https://github.com/weewx/weewx/pull/228)
Gary On Monday, 24 June 2019 07:14:49 UTC+10, Thomas Keffer wrote: > > Hello, Jared > > Unfortunately, StdQC can only reject values that are outside of a [min, > max] range. > > However, this would not be a very hard service to write. Something like > (NOT TESTED): > > import time > from weewx.engine import StdService > > class MyQC(StdService): > """Check for time and temperature out of bounds """ > > def __init__(self, engine, config_dict): > super(MyQC, self).__init__(engine, config_dict) > > self.bind(weewx.NEW_ARCHIVE_RECORD, self.new_archive_record) > > def new_archive_record(self, event): > """Check for a high temperature at night""" > # Make sure there > if 'outTemp' in event.record and event.record['outTemp'] is not > None: > time_tuple = time.localtime(event.record['dateTime']) > hour = time_tuple.tm_hour > # This assumes US Customary units. You probably want to check > the unit system first!! > if (hour < 5 or hour > 20) and event.record['outTemp'] > 100: > event.record['outTemp'] = None > > This example uses a pretty stupid time / temperature check. You'd probably > want to substitute something more sophisticated. > > -tk > > On Sun, Jun 23, 2019 at 2:00 PM Jared Marquis <[email protected] > <javascript:>> wrote: > >> I've noticed a few issues with the occasional bad temperature/dew point >> measurement. Specifically, this week, my high temperature is: 101.0°F >> at 01:42:00 AM (Monday). While unusual, not impossible. That said, it >> happened overnight, and was surrounded by temperatures in the 50s. This is >> obviously an errant reading. >> >> I am currently recording information every 5min. How can I look at a >> time series of, say 5-10 temperature readings, to remove or flag suspect >> data? Also, I'd like to be able to restrict tendencies to do the same >> (e.g., +/-25* change in 5min is suspect and needs to examined with time >> series when more data comes in). >> >> Is there any flag variable in the observation objects or would this need >> to be added? Is it possible to examine other times with a qc function? >> >> Thanks! >> >> -- >> 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/b9af5ef9-66e7-41a6-8892-60f580f80b72%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/b9af5ef9-66e7-41a6-8892-60f580f80b72%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- 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/6b8bc1f4-e395-4cb4-acc2-66f399ffbc2d%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
