Re: [weewx-user] safety of wind instruments on metal pole on roof?

What about using a fiberglass pole instead? The wires to the instruments could still potentially attract lightning, but probably wouldn’t carry enough current to start a fire — might blow out the weather station electronics, but not burn down the house. Max-gain Systems se

Re: [weewx-user] When did the blast wave of the eruption "hit" your station?

I think you’re looking at the wrong time period.  The initial, direct wave arrived at the U.S. west coast — about 8400 Km from Tonga — around 4:00am Pacific time on Jan 15.  It should take 3-1/2 to 4 hours to travel the additional 4600 Km to your location.  That, plus the 4 hour time difference, wo

Re: [weewx-user] Fog detection?

Parameters like that can predict that fog is likely, but to actually identify fog you need to observe that the visibility is less than 1 km. (Visibility between 1 and 5 km is haze or mist.) The automated weather observation systems commonly installed at airports and other locations include a vis

Re: [weewx-user] Belchertown MQTT Issues

Ah, ok thanks. I’m running the web server unencrypted as well, for the same reason. -Les > On Jul 25, 2021, at 4:14 AM, Karen K wrote: > > ln77 schrieb am Sonntag, 25. Juli 2021 um 03:35:38 UTC+2: >> I don’t see the point of SSL on the websockets connection from the browser. >> The data

Re: [weewx-user] Belchertown MQTT Issues

I don’t see the point of SSL on the websockets connection from the browser. The data is all public, there’s nothing sensitive sent by the client, and if someone spoofs the mqtt broker, who really cares? Neither do I see much need for ssl on the weewx-to-broker connection when they’re running on

Re: [weewx-user] Belchertown MQTT Issues

I think the first configuration, with the local mqtt broker isn’t going to work because mqtt_websockets_host is set to localhost, which will only resolve to the weewx/mqtt server when the web browser is running on that server. You need to set something here that will resolve to the weewx/mqtt

Re: [weewx-user] Settings to change after IP address of Vantage changes

Ethernet interface? (ie disable the Wi-Fi). > > David. > On Thu, 8 Jul 2021 at 17:57, Les Niles mailto:l...@2pi.org>> > wrote: > Having both interfaces active isn’t a problem itself, but it doesn’t open up > the potential for various isconfigurations that can make netwo

Re: [weewx-user] Settings to change after IP address of Vantage changes

Having both interfaces active isn’t a problem itself, but it doesn’t open up the potential for various isconfigurations that can make networking flaky. I’ve discovered a number of them myself. :) Just want to eliminate that as the source of the problem. David, it would also be useful to turn

Re: [weewx-user] Settings to change after IP address of Vantage changes

This time it looks like you only have one instance of weewx running. That’s progress. What do you mean by your “network crashed”? I didn’t notice this before, but it looks like you’re using both the ethernet and wi-fi interfaces on the Pi. How is the Davis connected to the Pi? Please run th

Re: [weewx-user] Settings to change after IP address of Vantage changes

Do you have multiple instances of weewx running? That number enclosed in ‘[]’ after ‘weewx’ in the log messages should be the process ID; there are 3 different PIDs intermixed in your log. Run “ps uax | grep weewx” — there should be exactly one instance of python running weewxd. A reboot will

Re: [weewx-user] recommend IP cameras that are easy to grab a single frame from?

I use an Amcrest wifi security camera (IP4M-1026B). It’s configured to push a frame every minute via ftp. Pulling frames would’ve been a little easier, but this works just fine since there’s no need for frames to be captured at specific times. The timing doesn’t drift and the camera uses ntp so

Re: [weewx-user] Merge "parts" of two databases?

Here’s an outline of what I would do. I use mysql and know nothing about sqlite, but assume the basic export and delete operations are easy. 1. Export the data you want from the old sqlite database into a CSV file. Export the full archive records, not just the missing field(s). 2. Edit the CS

Re: [weewx-user] Can't get ftp working after reinstall

And, when doing that kind of testing, I copy/paste all the parameters — server name, user name, password and directory name — from weewx.conf to the ftp utility. Often the cause is a minor typo that is hard to spot, like substituting the letter “O” for the digit “0” or lower-case “l” for upper-

Re: [weewx-user] MQTT for Belchertown skin

mqtt_websockets_port = 9001 > bash: mqtt_websockets_port: command not found > pi@raspberrypi:~ $ mqtt_websockets_ssl = 0 > bash: mqtt_websockets_ssl: command not found > pi@raspberrypi:~ $ mqtt_websockets_topic = "weather/loop" > bash: mqtt_websockets_topic: comma

Re: [weewx-user] MQTT for Belchertown skin

berrypi systemd[1]: Stopped Mosquitto MQTT v3.1/v3.1.1 > Broker. > Mar 27 18:42:29 raspberrypi systemd[1]: mosquitto.service: Start request > repeated too quickly. > Mar 27 18:42:29 raspberrypi systemd[1]: mosquitto.service: Failed with result > 'exit-code'. > Mar 27 18:4

Re: [weewx-user] MQTT for Belchertown skin

27;). > 1616874585: Client weewx_aa8f33c8 disconnected. > 1616874603: New connection from 192.168.1.170 on port 1883. > 1616874603: New client connected from 192.168.1.170 as weewx_76212562 (c1, > k60, u'tph06784'). > 1616874603: Client weewx_76212562 disconnected. > 1616874605: N

Re: [weewx-user] MQTT for Belchertown skin

ey.pem > protocol mqtt > # websockets > listener 9001 > certfile /etc/mosquitto/certs/cert.pem > cafile /etc/mosquitto/certs/chain.pem > keyfile /etc/mosquitto/certs/privkey.pem > protocol websockets > > #persistence_location /var/lib/mosquitto/ > > log_dest file /var/log

Re: [weewx-user] MQTT for Belchertown skin

It looks like weewx is sending updates to the mqtt server. But the web browser isn’t connecting to the mqtt server to retrieve those updates. Please post your mqtt (mosquito) config file — you need to have websockets enabled there, on port 9001. My suggestion is to turn off SSL on the webso

Re: [weewx-user] Skin with webcam?

Belchertown isn’t exactly pre-loaded, but it is well integrated and the install is straightforward. It has a radar feed. It doesn’t have the webcam built in, but It has several places to insert user-defined content and it would be easy to put a webcam in one of them. I hacked it a little to pu

Re: [weewx-user] tag date and time of the last rain

Now that’s a name I've not heard in a long time. I remember the story well, but had forgotten the title. Thanks for the pointer! The other one that comes to mind in these kinds of conditions is “Sometimes a Great Notion.” A much longer read, but well worth it. -Les > On 22 Mar 2021, at

Re: [weewx-user] Problems with Weewx writing MQTT Broker

It’s happened before. That’s a hard one to spot, given the visual similarity “8” and “3”. -Les > On 21 Mar 2021, at 15:12, Dun Mac wrote: > > Thank you, a really dumb mistake on my part. System updating. Issue Resolved > > Duncan > > On Monday, March 22, 2021 at 3:25:06 AM UTC+11 ln77

Re: [weewx-user] MQTT error connection with Bekchertown skin

Comparing your configuration to mine, I think you should be publishing to “weather” rather than “weather/loop” That is, in the [[MQTT]] section, set “topic = weather” instead of “topic = weather/loop". Leave the "mqtt_websockets_topic = weather/loop” in [[Belchertown]][[[Extras]]] as-is. By

Re: [weewx-user] MQTT error connection with Bekchertown skin

I’ll make a wild guess and hypothesize that the problem is that the weewx MQTT module is trying to speak TLS to the broker on port 1883 rather than 8883. I would start by getting MQTT working without TLS — just remove the “[[[tls]]]” section from weewx.conf. Once that is working you can add TL

Re: [weewx-user] Question on heat index

That would be the sensible thing to do. But it’s a different algorithm, not just a change in the low-temperature limit. The new algorithm is closer to Steadman’s original concept of giving a perceived temperature relative to an average humidity, so low humidities can result in a heat index tha

Re: [weewx-user] Question on heat index

First, I misspoke — the change is in heatindexF(), not dewpointF() (duh!) In the weewx software directory (/usr/share/weewx when installed as a Debian package), there is a file weewx/wxformulas.py. Look for the line "if T is None or R is None:” — it’s line 164 in the 4.4.0 version. Add “ or T <

Re: [weewx-user] Question on heat index

It looks strange to see the heat index suddenly dropping a few degrees below the temperature when the temperature gets above 40ºF. (I just saw this this morning.) After looking through the thread on weewx’s new heat index calculation, I noticed an oddity at the National Weather Service: while th

Re: [weewx-user] Belchertown Skin Assistance

In general, you need forecasts enabled (Aeris) to get the forecast icons, and you need forecast_aeris_use_metar enabled (set to 1) to get the current condition icons. Please post your weewx.conf and skins/Belchertown/skin.conf files, after removing any sensitive information like login IDs and

Re: [weewx-user] Which Raspberry Pi to use? Will more memory help at all?

I run weewx with the Belchertown skin and a couple of other skins, with a mysql database; there’s a local nginx instance running but the pages are uploaded to a hosted server that gets most of the traffic. This configuration was tight on an RPi 1B+ with 512MB — every few months it would run out

Re: [weewx-user] Saving database etc to external drive

I just put everything on the SSD, so there’s no SD card to fail. It turned out to be really easy (running Debian Buster): 1. With the RPi set up on an SD card, shut down, plug in the SSD, and start up the RPi. Don’t try to mount it or anything; if the system tries to mount it automatically, t

Re: [weewx-user] wee_import date/time specifications

Thanks, Gary! This is admittedly minor, since wee_import clearly (and accurately!) reports what it’s doing. But cleaning up the docs should save others from some head scratching. -Les > On 24 Feb 2021, at 22:22, gjr80 wrote: > > Thanks Les, QC is obviously lacking at weewx.com

[weewx-user] wee_import date/time specifications

The documentation for wee_import says that the --from and --to date/times are inclusive and exclusive, respectively. But what is reported when an import is run, and what the code actually implements, is the other way around: the --from is exclusive and the --to is inclusive. (To further the con

Re: [weewx-user] Re: New internet provider - now ftp doesn't work

The server is responding to the PASV command by entering extended passive mode EPSV, which apparently is a legal response but which weewx/ftplib is not handling correctly. (I don’t have access to the code right now so can’t be more precise about where to fix.) The difference is that in EPSV mode

Re: [weewx-user] Question on Weewx, Vantage Vue, and CWOP

> On 12 Jan 2021, at 12:12, Nate Bargmann wrote: > > * On 2021 12 Jan 13:40 -0600, galfert wrote: >> Stop saying that the airport is at the same elevation or at different >> elevation from you. That is extraneous and irrelevant information. > > I am merely attempting to be factual as I'll admit

Re: [weewx-user] Looking for weather station hardware recommendation with solar radiation

I recently installed an Ecowitt GW1002 which apparently is a Fine Offset rebranding. It’s not a Davis (I’ve had a Pro2 for 6-8 years and think it’s great) but it includes solar radiation and UV, and the whole thing costs less than a Davis data

Re: [weewx-user] Is anyone using a Davis Airlink with weewx?

Box fans and square furnace filters are flying off the shelves here in N California. -Les > On Sep 15, 2020, at 5:57 PM, Tom Keffer wrote: > >  > Try buying an air purifier. The nearest one I could find was in Kalispell, > Montana. > >> On Tue, Sep 15, 2020 at 5:54 PM Alec Bennett wrot

Re: [weewx-user] Re: Using a ProData WiFi Logger?

Another data point: I’ve been running an RPi-based weewx with a Davis IP datalogger for several years. The RPi is sometimes down for over a week; when it restarts, all the data is recovered without loss, duplication, or manual intervention. This ability to spool the data while the host computer

Re: [weewx-user] weewx output to HDMI display on Headless Pi 4

The simple way to do this is have the Pi start up in desktop mode, auto login, and launch a web browser pointed to your weewx web site (which can just be the local html directory). For the first part, run rasps-config and set the boot options to Desktop/CLI->Desktop Autologin. To get the brow

Re: [weewx-user] Apple buys DarkSky, IBM own TheWeatherChannel and WU, what's the next shoe to drop?

They’ve been trying to do that for years, by proposing to give Accuweather exclusives to the NWS products. I was afraid it might happen when the CEO of Accuweather was nominated for NOAA administrator, but fortunately he didn’t get the job. -Les > On 1 Apr 2020, at 11:10, p q wrote: > > P

Re: [weewx-user] Re: Recommendations for forecast service

Yes. It would be great to get it merged. -Les > On 29 Feb 2020, at 13:32, mwall wrote: > > On Saturday, February 29, 2020 at 3:19:03 PM UTC-5, ln77 wrote: > I extended the weewx forecast module to support the NWS spot forecasts. > > les, > > could you make a merge request with your spot

Re: [weewx-user] Re: Recommendations for forecast service

Do you use the NWS spot forecasts? I live on a ridge in the Santa Cruz mountains with no NWS stations around and weather that is very different than the valleys on either side. The NWS forecast is pretty accurate, and much better than DarkSky which doesn’t seem to understand that we’re above t

Re: [weewx-user] Re: Mismatch Between Hardware and weeWX Data

JD said that he “suspects” that would be the right change. It would help if you tested it, but be prepared for it not to work or break the driver. Save the original version of the file, and restart weewx after changing it in order to load the new version. The location of the driver can depend

Re: [weewx-user] Re: Mismatch Between Hardware and weeWX Data

I thought your questions were answered: what you’ve done is a workaround. Fundamentally, it’s not a limitation of the LaCrosse hardware, it’s a bug in the driver. -Les > On 19 Feb 2020, at 12:05, Dan Blanchard wrote: > > Where did you all go? I was hoping for some comments on my last p

Re: [weewx-user] Mismatch Between Hardware and weeWX Data

That would work, other than having the station console reading uncorrected pressure. Or, the OP could just move to some place at sea level. :) -Les > On 16 Feb 2020, at 21:38, Andrew Milner wrote: > > well if it is hard coded for pressure then the station adjustment made by the > OP shoul

Re: [weewx-user] Re: Mismatch Between Hardware and weeWX Data

Setting those that way won’t fix the problem. Those settings are hints to weewx about what to use when the weather station hardware provides multiple values. The WS28XX driver is hard-coded to interpret the data from the station as weewx “pressure,” and that is the only pressure-related datum

Re: [weewx-user] Re: Mismatch Between Hardware and weeWX Data

OK… The “pressure” that your station is displaying is what it should be displaying: the ambient air pressure, correct for your altitude. In weewx, this is called “barometer” because that is what weather stations report for barometric pressure. “Altimeter” is basically the same thing; there are

Re: [weewx-user] Re: Mismatch Between Hardware and weeWX Data

The link in Gary’s mail explains how to run it — just give the full path to the config file as an argument to weewxd. Something like: sudo weewxd /etc/weewx/weewx.conf -Les > On Feb 11, 2020, at 9:21 AM, Dan Blanchard wrote: > >  > I have confirmed and to the best of my knowledge, the

Re: [weewx-user] Re: Mismatch Between Hardware and weeWX Data

33” is clearly too high for the barometric pressure. It is within spitting distance of what you would get if the pressure is corrected for your 2300’ elevation twice. Maybe the station is giving the corrected pressure but weewx is configured to think it’s the uncorrected pressure? -Les > On

Re: [weewx-user] Re: Public webpage using MQTT from weewx

You could use a hosted MQTT service like https://www.cloudmqtt.com/ which gives you your own broker. It’s free for a small number of connections and inexpensive for somewhat more. Or you could get a cloud compute instance on aws or your favorite cloud provider, and install an MQTT broker there.

Re: [weewx-user] Weewx on RPi Zero

Likewise — I have an RTC but no UPS on an RPi 3, and have zero problems with data loss or corruption due to power failures from a few seconds to several days in duration. The only issue is if the RPi is down for the 10-15 days that it takes the Davis logger’s memory to overflow. Going back t

Re: [weewx-user] Force auto-update of web page?

There’s a refresh tag that can be added to the html. As Andrew said, google for it to find the correct syntax. Or, use one of the AJAXy skins that does live weather feed — both MesoWX and Belchertown have worked well for me. Find them at https://github.com/weewx/weewx/wiki#skins

Re: [weewx-user] weewx barmeter offset

Jason, is the base unit adjusted for your station elevation? By convention barometric pressure is reported adjusted to a sea-level equivalent, and the 14 mb discrepancy you mention is suspiciously close to what the correction would be for 120 m elevation. Mercury barometers measure the absolute

Re: [weewx-user] Looking for sample weewx.conf file that includes two sensor sources for Vantage Pro

I have my anemometer connected to a separate sensor transmitter, with the ISS as station 4 and the anemometer as station 3 -- I have a neighbor with an ISS on station 1.  weewx is connected to the console by an ethernet data logger.  I never touched the iss_id in weewx.conf -- it's still the de

Re: [weewx-user] MQTT Weewx authentication

It’s in https://github.com/weewx/weewx/wiki/mqtt — put the username/password before the server name: server_url = mqtt://username:password@localhost:1883/ -Les > On Aug 29, 2019, at 4:08 AM, Rui Pinto > wrote: > > Hello!! > > I'm trying to publish data to a topic in the Mosquitto broker t

Re: [weewx-user] Davis... IP Datalogger.

I'd suggest disabling the upload to weatherlink.  I don't think that should be necessary, but it removes a variable. -Les On 7/15/19 4:39, Ruben Navarro Huedo wrote: Hello friends: I am trying to run last weewx with Davis and IP Datalogger. I have other davis using USB Datalogger and all is

Re: [weewx-user] Belchertown Earthquake data error

The USGS web site was timing out pretty frequently after the big shocks. -Les On 7/6/19 16:25, Patrick Mendiuk wrote: I have been running the Belchertown skin without any errors for a while now and this started happening after the California earthquakes.  Is anyone else getting this error?

Re: [weewx-user] Chronology

It is possible to reset the mysql root password as long as you have root access to the OS it’s running on. (Yes, I know this for the obvious reason….) There are a couple of ways to do this; here’s one: https://www.digitalocean.com/community/tutorials/how-to-reset-your-mysql-or-mariadb-root-pas

Re: [weewx-user] Re: Simultaneous clone to mySQL for weewx and weewx-WD?

Yup, I should’ve mentioned that it’s not particularly fast. But that’s OK, it’s not well tested either. :) Let me know if it works out for you, and if any issues crop up. -Les > On 6 Jan 2018, at 19:23, Chris Alemany wrote: > > initial run is on the go... 11,000 of 1.2 million records alr

Re: [weewx-user] Re: Simultaneous clone to mySQL for weewx and weewx-WD?

Yes,  I forgot to attach the conf file the first time.  The attached has examples for both mysql and sqlite, for both source & destination.  For mysql, the host, user, and password of course need to be filled in; likewise for the path(s) to the sqlite database file(s).  The database name for a mysq

Re: [weewx-user] Re: Simultaneous clone to mySQL for weewx and weewx-WD?

I wrote a little tool for syncing weewx data from one database to another, which I think can address Chris’ cloning request.  It’s weewx-specific — when run, it copies all archive records from the source database that are later than the latest record in the destination database, to the destination

Re: [weewx-user] Error 110 timeout on Raspbian 9

BTW, I run on mysql but I think there’s also a permission issue in creating the sqlite database file when running non-root, solved by pre-creating the file and setting its ownership. -Les > On 1 Jan 2018, at 16:05, Les Niles wrote: > > Under what user ID are you running weewx?

Re: [weewx-user] Error 110 timeout on Raspbian 9

Under what user ID are you running weewx? I install from the debian package on a Raspberry Pi, and have to work around some permission issues related to running non-root. IIRC, there are two: * weewx can’t create the PID file in /var/run, causing it to exit almost immediately. My hack is putt

Re: [weewx-user] Anyone using the La Crosse 330-2315 Professional Weather Station with weewx

I don’t see any interface for getting the data from that console, other than its wifi that appears to be specialized to posting the data to weather underground, so it doesn’t support weewx in the usual way. But there’s hope! I ran across this posting on the wxforum Lacrosse topic https://www.wx

Re: [weewx-user] Re: Assistance please

Try this.  I didn’t see aprs.tar.gz posted anywhere, so I just built this by cloning the git archive and tarring it up.  It seems to work on my weewx, though I don’t know if the generated packet is actually correct.  -Les -- You received this message because you are subscribed to the Google Gro

Re: [weewx-user] RTC vs NTP on Raspberry Pi 3

The problem with not having an RTC is mostly around startup, when the system time has not yet been set by NTP. Starting weewx can be delayed until the system time is set, but that becomes problematic if the internet connection isn’t available or is delayed when the system boots. Not having an

Re: [weewx-user] Re: Is it worth swapping from fine offset to Davis Vantage?

One of the factors that led me to go with Davis is the wind update rate. When it's really blowing it's usually pretty gusty and I want to see something approaching real time. I'd never believe an anemometer that's only showing 30 second averages or even 30 second latency. Also, after doing some

Re: [weewx-user] Re: weewx, raspberry pi and sd cards - the lifetime for card

On my RPi installs of jessie and wheezy, /var/run is just a symlink to /run, and /run is a tmpfs filesystem — it’s created by an init script, not mounted out of fstab, but it is tmpfs. -Les > On 7 Nov 2016, at 11:14, vince wrote: > > On Monday, November 7, 2016 at 8:47:51 AM UTC-8, frab

Re: [weewx-user] weewx, raspberry pi and sd cards - the lifetime for card

Hmm… have you looked at how much those monitoring programs hammer the storage? I’m not familiar with the ones you mention, but from the man page it looks like bwm-ng in particular could be writing pretty frequently. (Looks like it generates static HTML pages, with a default update rate of 2/sec!

Re: [weewx-user] Re: weewx, raspberry pi and sd cards - the lifetime for card

The SD card on my first weewx installation died after about 8 months. I didn’t want to add rotating magnetic storage (HDD), for reasons of engineering aesthetics, cost, and power consumption. Instead, I added a pair of USB flash drives, configured as a linux RAID-1 array and mounted as /var.

Re: [weewx-user] Best practices for wind calculations

A related question: Would it be difficult to hack weewx to use a mixture of hardware and software record generation? Specifically, to generate wind direction (and perhaps wind speed) records in software, while using hardware for everything else? I’m interested in doing this because the Davis s

Re: [weewx-user] USB over Ethernet & Belfryboy Clone USB logger

> On 22 Aug 2016, at 8:34, vince > wrote: > > On Monday, August 22, 2016 at 8:24:13 AM UTC-7, ln77 wrote: > At the risk of being one of "those guys" who replies to a simple question > with a redesign of the system: > Why not run weewx on a tiny computer -- a raspber

Re: [weewx-user] USB over Ethernet & Belfryboy Clone USB logger

At the risk of being one of "those guys" who replies to a simple question with a redesign of the system: Why not run weewx on a tiny computer -- a raspberry Pi or similar-- that's directly connected to the USB cable and upload the web pages (and sync/archive the data if you want) to the Debian s