Wait. What version of WeeWX are you running? The algorithm used to calculate ET changed in Version 3.7 (released 11-Mar-2017) to something much more accurate.
-tk On Tue, Sep 25, 2018 at 4:48 AM DerekV <[email protected]> wrote: > I'm getting the following error on restart > ~$ sudo service weewx status -l > ● weewx.service - LSB: weewx weather system > Loaded: loaded (/etc/init.d/weewx) > Active: active (exited) since Tue 2018-09-25 07:47:09 EDT; 21s ago > Process: 1159 ExecStop=/etc/init.d/weewx stop (code=exited, > status=0/SUCCESS) > Process: 1169 ExecStart=/etc/init.d/weewx start (code=exited, > status=0/SUCCESS) > > Sep 25 07:47:30 garage weewx[1183]: **** File > "/usr/share/weewx/weewx/engine.py", line 75, in __init__ > Sep 25 07:47:30 garage weewx[1183]: **** > self.loadServices(config_dict) > Sep 25 07:47:30 garage weewx[1183]: **** File > "/usr/share/weewx/weewx/engine.py", line 136, in loadServices > Sep 25 07:47:30 garage weewx[1183]: **** > self.service_obj.append(weeutil.weeutil._get_object(svc)(se...ict)) > Sep 25 07:47:30 garage weewx[1183]: **** File > "/usr/share/weewx/weeutil/weeutil.py", line 1015, in _get_object > Sep 25 07:47:30 garage weewx[1183]: **** mod = __import__(module) > Sep 25 07:47:30 garage weewx[1183]: **** File > "/usr/share/weewx/weewx/wxservices.py", line 17, in <module> > Sep 25 07:47:30 garage weewx[1183]: **** from weewx.units import > CtoF, mps_to_mph, kph_to_mph, METER..._FOOT > Sep 25 07:47:30 garage weewx[1183]: **** ImportError: cannot import name > CtoF > Sep 25 07:47:30 garage weewx[1183]: **** Exiting. > > > > On Monday, September 24, 2018 at 8:57:57 PM UTC-4, Thomas Keffer wrote: >> >> Hmmm, I did the calculation by hand for the period you were using >> software record generation, and got values of about 0.0007 inches per >> archive interval, or about 0.008 in/hr --- Similar to what the VP2 was >> returning. >> >> Would you be willing to try software ET calculations again, this time >> using instrumented code? It would print out the values being used in the >> calculation. If so: >> >> - Save your old wxservices.py file to someplace safe. >> - Replace it with the attached. >> - Set ET calculation in [[Calculations]] to 'software'. >> - Restart weewx. >> - Run it for at least an hour during the daytime. >> - Post the log. >> >> Thanks! >> >> -tk >> >> >> >> >> >> >> >> On Mon, Sep 24, 2018 at 10:29 AM DerekV <[email protected]> wrote: >> >>> I had it set "ET = software" from around 10am to 11am. >>> (ignore 8:36am, I had the console unplugged) >>> >>> 1537740900|2018-09-23 18:15:00|36.9||0.0||0.0 >>> 1537741200|2018-09-23 18:20:00|36.8|88.0|0.0|7.0|0.0 >>> 1537741500|2018-09-23 18:25:00|36.7|88.0|0.0|9.0|0.0 >>> 1537741800|2018-09-23 18:30:00|36.7|88.0|0.0|11.0|0.0 >>> 1537742100|2018-09-23 18:35:00|36.7|89.0|0.0|12.0|0.0 >>> 1537742400|2018-09-23 18:40:00|36.7|89.0|0.0|14.0|0.0 >>> 1537742700|2018-09-23 18:45:00|36.7|89.0|0.0|16.0|0.0 >>> 1537743000|2018-09-23 18:50:00|36.7|89.0|0.0|19.0|0.0 >>> 1537743300|2018-09-23 18:55:00|36.8|89.0|0.0|24.0|0.0 >>> 1537788900|2018-09-24 07:35:00|37.1|89.0|0.0|23.0|0.0 >>> 1537789200|2018-09-24 07:40:00|37.4|88.0|0.0|22.0|0.0 >>> 1537789500|2018-09-24 07:45:00|37.6|88.0|0.0|23.0|0.0 >>> 1537789800|2018-09-24 07:50:00|37.8|88.0|0.0|25.0|0.0 >>> 1537790100|2018-09-24 07:55:00|38.0|88.0|0.0|26.0|0.0 >>> 1537790400|2018-09-24 08:00:00|38.4|87.0|0.0|29.0|0.0 >>> 1537790700|2018-09-24 08:05:00|38.6|87.0|0.0|29.0|0.0 >>> 1537791000|2018-09-24 08:10:00|39.0|86.0|0.0|31.0|0.0 >>> 1537791300|2018-09-24 08:15:00|39.6|85.0|0.0|32.0|0.0 >>> 1537791600|2018-09-24 08:20:00|40.1|84.0|0.0|41.0|0.0 >>> 1537792560|2018-09-24 08:36:00|||||0.0 >>> 1537792800|2018-09-24 08:40:00|43.1|75.0|0.0|323.0|0.0 >>> 1537793100|2018-09-24 08:45:00|44.0|73.0|0.0|317.0|0.0 >>> 1537793400|2018-09-24 08:50:00|44.9|70.0|1.0|341.0|0.0 >>> 1537793700|2018-09-24 08:55:00|45.7|67.0|1.0|366.0|0.0 >>> 1537794000|2018-09-24 09:00:00|46.5|63.0|1.0|375.0|0.006 >>> 1537794300|2018-09-24 09:05:00|47.1|61.0|1.0|375.0|0.0 >>> 1537794600|2018-09-24 09:10:00|47.6|59.0|1.0|408.0|0.0 >>> 1537794900|2018-09-24 09:15:00|47.9|57.0|1.0|293.0|0.0 >>> 1537795200|2018-09-24 09:20:00|48.0|59.0|1.0|145.0|0.0 >>> 1537795500|2018-09-24 09:25:00|48.4|59.0|1.0|459.0|0.0 >>> 1537795800|2018-09-24 09:30:00|49.0|58.0|0.0|451.0|0.0 >>> 1537796100|2018-09-24 09:35:00|49.5|57.0|1.0|485.0|0.0 >>> 1537796400|2018-09-24 09:40:00|50.0|58.0|0.0|498.0|0.0 >>> 1537796700|2018-09-24 09:45:00|50.5|57.0|1.0|512.0|0.0 >>> 1537797000|2018-09-24 09:50:00|50.9|54.0|1.0|527.0|0.0 >>> 1537797300|2018-09-24 09:55:00|51.1|56.0|1.0|542.0|0.0 >>> 1537797600|2018-09-24 10:00:00|51.2|52.0|1.0|544.0|0.235160612820487 >>> 1537797900|2018-09-24 10:05:00|51.5|54.0|1.0|564.0|0.24413249419622 >>> 1537798200|2018-09-24 10:10:00|52.1|53.0|1.0|574.0|0.252328128456589 >>> 1537798500|2018-09-24 10:15:00|52.4|51.0|1.0|585.0|0.265745945469234 >>> 1537798800|2018-09-24 10:20:00|52.6|51.0|1.0|595.0|0.286840815912483 >>> 1537799100|2018-09-24 10:25:00|52.8|50.0|1.0|607.0|0.295719160102809 >>> 1537799400|2018-09-24 10:30:00|53.2|50.0|1.0|619.0|0.302646560091949 >>> 1537799700|2018-09-24 10:35:00|53.3|52.0|1.0|623.0|0.311626673609453 >>> 1537800000|2018-09-24 10:40:00|53.5|49.0|2.0|637.0|0.317112463565332 >>> 1537800300|2018-09-24 10:45:00|53.9|48.0|1.0|645.0|0.322338596780738 >>> 1537800600|2018-09-24 10:50:00|54.1|48.0|1.0|652.0|0.329417877172646 >>> 1537800900|2018-09-24 10:55:00|54.5|47.0|1.0|661.0|0.335261633840994 >>> 1537801200|2018-09-24 11:00:00|54.6|49.0|1.0|670.0|0.012 >>> 1537801500|2018-09-24 11:05:00|54.6|46.0|1.0|679.0|0.0 >>> 1537801800|2018-09-24 11:10:00|54.8|47.0|1.0|680.0|0.0 >>> 1537802100|2018-09-24 11:15:00|55.1|49.0|0.0|695.0|0.0 >>> 1537802400|2018-09-24 11:20:00|55.4|45.0|2.0|701.0|0.0 >>> 1537802700|2018-09-24 11:25:00|55.5|49.0|1.0|707.0|0.0 >>> 1537803000|2018-09-24 11:30:00|55.8|47.0|1.0|709.0|0.0 >>> 1537803300|2018-09-24 11:35:00|55.9|50.0|1.0|714.0|0.0 >>> 1537803600|2018-09-24 11:40:00|56.2|53.0|1.0|719.0|0.0 >>> 1537803900|2018-09-24 11:45:00|56.6|47.0|1.0|723.0|0.0 >>> 1537804200|2018-09-24 11:50:00|56.7|50.0|1.0|728.0|0.0 >>> 1537804500|2018-09-24 11:55:00|56.6|50.0|1.0|732.0|0.0 >>> 1537804800|2018-09-24 12:00:00|56.6|50.0|1.0|732.0|0.014 >>> 1537805100|2018-09-24 12:05:00|56.9|54.0|1.0|737.0|0.0 >>> 1537805400|2018-09-24 12:10:00|57.1|53.0|1.0|739.0|0.0 >>> 1537805700|2018-09-24 12:15:00|57.3|51.0|1.0|741.0|0.0 >>> 1537806000|2018-09-24 12:20:00|57.7|52.0|1.0|742.0|0.0 >>> 1537806300|2018-09-24 12:25:00|57.6|52.0|1.0|745.0|0.0 >>> 1537806600|2018-09-24 12:30:00|57.6|52.0|3.0|745.0|0.0 >>> 1537806900|2018-09-24 12:35:00|57.8|51.0|1.0|744.0|0.0 >>> 1537807200|2018-09-24 12:40:00|58.0|51.0|1.0|741.0|0.0 >>> 1537807500|2018-09-24 12:45:00|58.4|52.0|1.0|734.0|0.0 >>> 1537807800|2018-09-24 12:50:00|58.4|49.0|2.0|741.0|0.0 >>> 1537808100|2018-09-24 12:55:00|58.5|53.0|1.0|747.0|0.0 >>> 1537808400|2018-09-24 13:00:00|58.8|52.0|1.0|742.0|0.015 >>> 1537808700|2018-09-24 13:05:00|59.0|52.0|1.0|735.0|0.0 >>> 1537809000|2018-09-24 13:10:00|59.5|52.0|1.0|736.0|0.0 >>> 1537809300|2018-09-24 13:15:00|59.0|53.0|3.0|733.0|0.0 >>> 1537809600|2018-09-24 13:20:00|58.7|52.0|2.0|728.0|0.0 >>> 1537809900|2018-09-24 13:25:00|59.0|55.0|1.0|728.0|0.0 >>> >>> >>> On Monday, September 24, 2018 at 10:58:34 AM UTC-4, Thomas Keffer wrote: >>>> >>>> What we need to see is the archive database. Using sqlite3, something >>>> like >>>> >>>> *sqlite3 /home/weewx/archive/weewx.sdb* # Adjust as necessary >>>> sqlite> *select dateTime, datetime(dateTime,'unixepoch','localtime'), >>>> outTemp, outHumidity, windSpeed, radiation, ET from archive where >>>> dateTime>1537675200 limit 200;* >>>> >>>> Also, were you using software or hardware record generation during that >>>> time period? >>>> >>>> -tk >>>> >>>> >>>> On Mon, Sep 24, 2018 at 7:13 AM DerekV <[email protected]> wrote: >>>> >>>>> Here's some lines from archive_day_et with hardware and then after >>>>> software was enabled: >>>>> >>>>> ET = prefer_hardware >>>>> >>>>> 1537675200|0.0|1537740900|0.0|1537740900|0.0|9|0.0|9 >>>>> 1537761600|0.0|1537788900|0.006|1537794000|0.006|25|0.006|25 >>>>> >>>>> ET = software >>>>> >>>>> 1537675200|0.0|1537740900|0.0|1537740900|0.0|9|0.0|9 >>>>> >>>>> 1537761600|0.0|1537788900|0.24413249419622|1537797900|0.485293107016707|29|0.485293107016707|29 >>>>> >>>>> >>>>> skin.conf >>>>> >>>>> [[[dayet]]] >>>>> >>>>> [[[[ET]]]] >>>>> aggregate_type = avg >>>>> aggregate_interval = 600 >>>>> plot_type = line >>>>> color = red >>>>> yscale = none,none,none >>>>> line_gap_fraction = .1 >>>>> >>>>> and the resulting plot: >>>>> >>>>> [image: dayet_software.png] >>>>> >>>>> >>>>> On Friday, September 21, 2018 at 7:45:59 PM UTC-4, Thomas Keffer wrote: >>>>>> >>>>>> Higher? That surprises me. I'm not home right now, so it's hard for >>>>>> me to investigate this, but it would help if you could send a few lines >>>>>> from your database. Alternatively, you can run WeeWX from the command >>>>>> line >>>>>> and send the resulting printout of a few archive records. >>>>>> >>>>>> On Fri, Sep 21, 2018 at 5:24 AM DerekV <[email protected]> wrote: >>>>>> >>>>>>> Thanks, however the ET values it is calculating in software appear >>>>>>> to be 10+ times higher than the hardware values. >>>>>>> >>>>>>> >>>>>>> On Thursday, September 20, 2018 at 7:51:26 PM UTC-4, Thomas Keffer >>>>>>> wrote: >>>>>>>> >>>>>>>> The default is for WeeWX to defer to hardware, but if you need more >>>>>>>> frequent ET updates, you could have the software calculate it. >>>>>>>> >>>>>>>> In sub section [[Calculations]] set >>>>>>>> >>>>>>>> ET = software >>>>>>>> >>>>>>>> See >>>>>>>> http://weewx.com/docs/usersguide.htm#%5B%5BCalculations%5D%5D >>>>>>>> >>>>>>>> -tk >>>>>>>> >>>>>>>> On Thu, Sep 20, 2018 at 10:47 AM DerekV <[email protected]> wrote: >>>>>>>> >>>>>>>>> Yes, it's a Vantage. Ok I understand. >>>>>>>>> >>>>>>>>> On Thursday, September 20, 2018 at 12:24:41 PM UTC-4, Thomas >>>>>>>>> Keffer wrote: >>>>>>>>>> >>>>>>>>>> You didn’t say what kind of weather station you have, but if it’s >>>>>>>>>> a Vantage, they update ET only once an hour. >>>>>>>>>> >>>>>>>>>> On Thu, Sep 20, 2018 at 4:55 AM DerekV <[email protected]> wrote: >>>>>>>>>> >>>>>>>>>>> What would cause a spikey plot when I reduce the >>>>>>>>>>> aggregate_interval ? I get a nice line at 1 hour but I need more >>>>>>>>>>> precision. >>>>>>>>>>> >>>>>>>>>>> [image: dayet2.png] >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Wednesday, September 19, 2018 at 1:47:39 PM UTC-4, DerekV >>>>>>>>>>> wrote: >>>>>>>>>>>> >>>>>>>>>>>> Hi, I'm trying to get a plot for my hourly ET and I just want a >>>>>>>>>>>> simple line graph like the exterior temperature. I have >>>>>>>>>>>> experimented with >>>>>>>>>>>> several combinations and now I'm getting the range of data I want >>>>>>>>>>>> but only >>>>>>>>>>>> fine dots are appearing on the plot. How do I get from where I am >>>>>>>>>>>> to a line >>>>>>>>>>>> ? >>>>>>>>>>>> >>>>>>>>>>>> here's my skin.conf: >>>>>>>>>>>> >>>>>>>>>>>> [[[dayet]]] >>>>>>>>>>>> >>>>>>>>>>>> [[[[ET]]]] >>>>>>>>>>>> aggregate_type = sum >>>>>>>>>>>> aggregate_interval = 3600 >>>>>>>>>>>> plot_type = line >>>>>>>>>>>> color = red >>>>>>>>>>>> yscale = none,none,1 >>>>>>>>>>>> >>>>>>>>>>>> and the resulting graph (you have to look closely to see the >>>>>>>>>>>> dots): >>>>>>>>>>>> >>>>>>>>>>>> [image: dayet.png] >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>> 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]. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> -tk >>>>>>>>>> >>>>>>>>> -- >>>>>>>>> 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]. >>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>> >>>>>>>> -- >>>>>>>> -tk >>>>>>>> >>>>>>> -- >>>>>>> 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]. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>> >>>>>> -- >>>>>> -tk >>>>>> >>>>> -- >>>>> 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]. >>>>> 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]. >>> 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]. > 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]. For more options, visit https://groups.google.com/d/optout.
