Im about 15 miles away On Wednesday, August 20, 2025 at 6:47:42 PM UTC-4 kufuu wrote:
> My actual elevation is 1865ft , weewx is set to 0 > > Using configuration file /etc/weewx/weewx.conf > REC: 2025-08-20 18:35:00 EDT (1755729300) 'altimeter': > '29.856197863702114', 'appTemp': '84.16620032955495', 'barometer': > '29.850973617639387', 'cloudbase': '1750.7310847902036', 'dateTime': > '1755729300', 'dewpoint': '69.42478322692313', 'ET': 'None', 'heatindex': > '77.86800000000002', 'humidex': '91.66911741879971', 'inDewpoint': > '56.232061622715676', 'inHumidity': '56', 'inTemp': '72.86000000000001', > 'interval': '5', 'maxSolarRad': '192.36417227192797', 'outHumidity': '78', > 'outTemp': '76.82000000000002', 'pressure': '29.778039395', 'rain': '0.0', > 'rainRate': '0.0', 'usUnits': '1', 'windchill': '76.82000000000002', > 'windDir': 'None', 'windGust': '0.0', 'windGustDir': 'None', 'windrun': > '0.0', 'windSpeed': '0.0' > > LOOP: 2025-08-20 18:35:44 EDT (1755729344) 'altimeter': > '29.856197863702114', 'appTemp': '84.16620032955495', 'barometer': > '29.850973617639387', 'cloudbase': '1750.7310847902036', 'dateTime': > '1755729344', 'dewpoint': '69.42478322692313', 'ET': 'None', 'heatindex': > '77.86800000000002', 'humidex': '91.66911741879971', 'inDewpoint': > '56.232061622715676', 'inHumidity': '56', 'inTemp': '72.86000000000001', > 'inTempBatteryStatus': '0', 'maxSolarRad': '189.6877965534115', > 'outHumidity': '78', 'outTemp': '76.82000000000002', > 'outTempBatteryStatus': '0', 'pressure': '29.778039395', 'rain': 'None', > 'rainBatteryStatus': '0', 'rainRate': '0.0', 'rxCheckPercent': '100', > 'usUnits': '1', 'windBatteryStatus': '0', 'windchill': '76.82000000000002', > 'windDir': 'None', 'windGust': '0.0', 'windGustDir': 'None', 'windrun': > 'None', 'windSpeed': '0.0' > > KPSK dublin VA > > > *Current conditions at* Dublin / New River Valley (KPSK) *Lat: *37.13°N > *Lon: *80.68°W*Elev: *2106ft. > > Mostly Cloudy > > 76°F > > 24°C > > *Humidity* > 76% > *Wind Speed* > E 7 mph > *Barometer* > 29.95 in > *Dewpoint* > 68°F (20°C) > *Visibility* > 10.00 mi > *Heat Index* > 77°F (25°C) > *Last update* > 20 Aug 6:35 pm EDT > > *More Information:* > > Local Forecast Office <https://www.weather.gov/rnk>More Local Wx > <http://forecast.weather.gov/obslocal.php?warnzone=VAZ013&local_place=2%20Miles%20N%20Dublin%20VA&zoneid=EDT&offset=14400>3 > > Day History <http://forecast.weather.gov/data/obhistory/KPSK.html>Hourly > Weather > Forecast > <https://forecast.weather.gov/MapClick.php?lat=37.1333&lon=-80.6833&unit=0&lg=english&FcstType=graphical> > > > > On Wednesday, August 20, 2025 at 6:00:53 PM UTC-4 [email protected] > wrote: > >> The three pressures on your LOOP was "altimeter", "barometer" and >> "pressure". >> If you set station altitude = 0 then you are telling your weather >> station's barometer that it is located at sea level. >> Therefore all three pressures shouldl read the same. >> >> "pressure" is just your local atmospheric pressure at your location's >> altitude.. >> "altimeter" is a sea level pressure that factors in your altitude above >> sea level and "corrects" your local pressure (station pressure) and >> calculates an equivalent pressure at sea level. >> "barometer" is also a sea level pressure except it factors in your >> station pressure "(pressure" in WeeWX) , local temperature and humidity >> and "corrects" it to an equivalent pressure at sea level. >> >> I took a quick look at your weather station's manual and it appears that >> your display console reads "relative pressure" only. So in your case if you >> set station altitude = 0 in WeeWX, WeeWX's SLP correction will calculate a >> correction = 0. It makes sense because you told WeeWX you are located at >> sea level so there is no need to correct your "pressure" to sea level - you >> are already at sea level! Therefore "pressure" = "barometer" at sea level ( >> altitude = 0). >> >> I am not familiar with LaCrosse barometer operations- but I'll try to >> help. Other LaCrosse owners can certainly jump in... >> >> Things to check. >> >> 1. What have you entered as your station altitude in WeeWX? Did you >> ensure that the station altitude you entered in WeeWX is the altitude of >> the barometric sensor (total height above sea level?) How did you calculate >> your station altitude? >> >> 2. Your weather station manual makes no mention of sea level pressure >> calculations, entering an altitude or elevation in your display console.or >> using an offset. The manual implies that the console only displays relative >> pressure? Can you confirm that? >> >> 3. How close are you to an official weather station at an airport? Can >> you provide the ICAO code for it? Or the name of the airport? >> >> 4. Your July 31 LOOP altimeter and barometer readings appear to be >> unseasonably high for typical summertime weather. >> >> 5. WeeWX is calculating altimeter correctly but WeeWX barometer seems >> high compared to the Starpath online SLP calculator using the same input >> parameters. WeeWX "barometer" should be close to be the same or less than >> "altimeter" at the temperatures you reported. >> >> 6. Does your weather station use PC software from the manufacturer? If >> so, what is it reporting currently for absolute pressure and relative >> pressure? Can you adjust your absolute pressure? >> >> 7. Can you do another LOOP and give us the three pressures (altimeter, >> barometer, and pressure)? >> >> At the same time you do a LOOP ,can you obtain the altimeter setting of a >> close-by airport. And finally, can you obtain the elevation of that airport. >> >> Summing up, we need: your station altitude, your weather station's >> absolute pressure, relative pressure and the current WeeWX LOOP pressure >> values (altimeter, barometer, and pressure) and the LOOP outside >> temperature. In order to make some pressure comparisons and accuracy >> checks. We would also need , the name(s) of any close-by airport(s) and how >> close you are to these airports. lus we need the airport altimeter setting >> reading and elevation. As Tom mentioned in the wiki, you have to be careful >> about comparing your relative pressure on your display console with the >> WeeWX "barometer" calculation. They could be two different things. >> >> Michael's advice is I think, correct. You probably need to re-calibrate >> or at least verify if your station pressure/absolute value is accurate. >> >> On Wednesday, August 20, 2025 at 1:33:38 AM UTC+4 [email protected] >> wrote: >> >>> >>> Which obs_type "reads what is on the display", when altitude is set to >>> 0? pressure, altimeter or barometer or all three? (It should be all three) >>> When setting your altitude, pressure should always "read what is on the >>> display", altimeter and barometer will change with the altitude you >>> configure. >>> >>> You should calibrate your station to the real pressure provided by a >>> reliable station near you, which is located at the same altitude. Then >>> configure the altitude of the station in weewx, then choose the obs_types >>> you want to have displayed in your report. Depending on what you choose, >>> the may or may not "read what is on the display", which is perfectly fine >>> for altimeter and barometer. >>> kufuu schrieb am Dienstag, 19. August 2025 um 21:09:21 UTC+2: >>> >>>> If I put 0 altitude in weewx config then it reads what is on the >>>> display, is there any way to correct or just leave it 0 ? >>>> >>>> On Thursday, July 31, 2025 at 9:29:40 AM UTC-4 kufuu wrote: >>>> >>>>> It can wait till then and good luck, >>>>> >>>>> On Thursday, July 31, 2025 at 9:06:30 AM UTC-4 kufuu wrote: >>>>> >>>>>> Let me redo this and put the dates in order, >>>>>> LOOP: 2025-07-31 08:45:20 EDT (1753965920) 'altimeter': >>>>>> '31.994965595814566', 'appTemp': '82.83203424777768', 'barometer': >>>>>> '31.942483641883886', 'cloudbase': '2805.6732703464695', 'dateTime': >>>>>> '1753965920', 'dewpoint': '70.70103761047554', 'ET': 'None', >>>>>> 'heatindex': >>>>>> '76.113', 'humidex': '90.81599237942409', 'inDewpoint': >>>>>> '55.52280883736111', 'inHumidity': '58', 'inTemp': '71.06', >>>>>> 'inTempBatteryStatus': '0', 'maxSolarRad': '357.687499228319', >>>>>> 'outHumidity': '87', 'outTemp': '74.84', 'outTempBatteryStatus': '0', >>>>>> 'pressure': '29.919783335', 'rain': '0.0', 'rainBatteryStatus': '0', >>>>>> 'rainRate': '0.0', 'rxCheckPercent': '100', 'usUnits': '1', >>>>>> 'windBatteryStatus': '0', 'windchill': '74.84', 'windDir': 'None', >>>>>> 'windGust': '0.0', 'windGustDir': 'None', 'windrun': 'None', >>>>>> 'windSpeed': >>>>>> '0.0' >>>>>> REC: 2025-07-31 08:45:00 EDT (1753965900) 'altimeter': >>>>>> '31.994965595814566', 'appTemp': '82.83203424777768', 'barometer': >>>>>> '31.942483641883886', 'cloudbase': '2805.6732703464695', 'dateTime': >>>>>> '1753965900', 'dewpoint': '70.70103761047554', 'ET': 'None', >>>>>> 'heatindex': >>>>>> '76.113', 'humidex': '90.81599237942409', 'inDewpoint': >>>>>> '55.52280883736111', 'inHumidity': '58.0', 'inTemp': '71.06', >>>>>> 'inTempBatteryStatus': '0.0', 'interval': '5.0', 'maxSolarRad': >>>>>> '351.7781598061274', 'outHumidity': '87.0', 'outTemp': '74.84', >>>>>> 'outTempBatteryStatus': '0.0', 'pressure': '29.919783335', 'rain': >>>>>> '0.0', >>>>>> 'rainBatteryStatus': '0.0', 'rainRate': '0.0', 'rxCheckPercent': '97.5', >>>>>> 'usUnits': '1', 'windBatteryStatus': '0.0', 'windchill': '74.84', >>>>>> 'windDir': 'None', 'windGust': '0.0', 'windGustDir': 'None', 'windrun': >>>>>> '0.0', 'windSpeed': '0.0' >>>>>> Traceback (most recent call last): >>>>>> File "/usr/share/weewx/weewx/reportengine.py", line 248, in run >>>>>> obj.start() >>>>>> File "/usr/share/weewx/weewx/reportengine.py", line 465, in start >>>>>> self.run() >>>>>> File "/usr/share/weewx/weewx/reportengine.py", line 621, in run >>>>>> ncopy += weeutil.weeutil.deep_copy_path(path, html_dest_dir) >>>>>> File "/usr/share/weewx/weeutil/weeutil.py", line 1811, in >>>>>> deep_copy_path >>>>>> shutil.copy(path, d) >>>>>> File "/usr/lib/python3.9/shutil.py", line 418, in copy >>>>>> copyfile(src, dst, follow_symlinks=follow_symlinks) >>>>>> File "/usr/lib/python3.9/shutil.py", line 264, in copyfile >>>>>> with open(src, 'rb') as fsrc, open(dst, 'wb') as fdst: >>>>>> PermissionError: [Errno 13] Permission denied: >>>>>> '/var/www/html/weewx/seasons.css' >>>>>> >>>>>> >>>>>> >>>>>> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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