CWOP Information for CW2158 (C2158) in Sturgeon Bay, WI, US

The following information is known about CW2158. If you think that any information is incorrect, then please follow the instructions for correcting that data item.

It is possible that this page will report a problem where no problem exists. If you believe that this has happened, then please contact me (address at the bottom of this page) and explain clearly why you think this page is in error. Note that any changes that you make may take a few days to show up here, so please give it a week before commenting.

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Registered Location

Latitude: 44° 49' 50" N (deg min sec), 44.8306° (decimal), 4449.84N (LORAN)
Longitude: 87° 20' 31" W (deg min sec), -87.3419° (decimal), 08720.52W (LORAN)
Elevation: 200 metres (656 feet) -- validated against 193 metres (632 feet) from NED Contiguous U. S. 1/3E arc second elevation data
Location: Sturgeon Bay, WI, US
County: Door, WI
Forecast Office: Green Bay (GRB)
Weather station Manager/Operator: John
Station type/software: Davis Vantage Pro 2/Vue with Weatherlink

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'CW2158' marker) will display the latitude/longitude of that point.

If the displayed location (or elevation) of the weather observing location is incorrect, please drag the marker to the right location (or click in the right location), and then send the updated information. Please note that we are trying to spot either the Stevenson Screen (or equivalent) or the location where the barometric readings are taken.

NOTE: The Registered Location is the location that the station owner provided when they signed up with CWOP. Show location history.

There are no photographs of the station. If you are the site operator and have pictures of this location, then please email them to

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs.

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APRS Location

APRS Location recorded at 2019-Aug-21 14:08 UTC
Latitude: 44° 48' 0" N (deg min sec), 44.8000° (decimal), 4448.00N (LORAN)
Longitude: 87° 18' 0" W (deg min sec), -87.3000° (decimal), 08718.00W (LORAN)

The location reported in the weather reports (via APRS) is significantly different to the registered location above. In particular, the difference is about 3.0 miles. If you have changed your location (or software) since the time above, then this can be a false alarm. Check the location currently being reported at

Please check which location is correct. If the registered location is incorrect, then you can correct it by dragging the marker above and using the 'send the updated information link'. If the APRS location is incorrect, then you must enter the correct coordinates into your software which generates the weather report (APRS) messages. Note that the various different types of software take the location in different formats, so be sure to use the correct format when entering the latitude and longitude.

Data Status

Over the last 28 days, no data was seen on the following dates: 2019-07-25 to 2019-08-20.

All the means and standard deviations shown below are from the last 28 days. Change analysis period to Last 3 days  Last 7 days  Last 14 days  Last 8 weeks  Last 13 weeks  Last 26 weeks  Last 39 weeks  Last 52 weeks  

The inconsistency noted above in your location information means that the analyzed readings for your location may be incorrect. For example, if your location is incorrect, then the analysis values will be for a location other than your station. This will give different analysis results, probably leading to errors being shown below. If the elevation is incorrect, then the comparison of temperature readings will be in error.

A recently received weather report from this station was

This report was seems to be a valid APRS record, but not a valid weather record.

Neighboring Stations

This is a list of stations that are close to this station. You can look at those for comparison purposes. The average difference between your station and each station below is listed as well. This may allow you to detect local stations which are erroneous. You can also use these numbers to adjust your instruments -- especially if a number of ASOS stations have similar differences to your station. Also, try increasing the analysis period to more than the default 28 days. The difference is only given if both stations report reasonably often during each day. Some stations only report every 6 hours, and this makes the average of less interest. In this case, the average is not displayed. The values reported are the differences between this station and the neighboring station. I.e. if the difference is positive, then this station is reading higher than the neighboring station. Since this station has not been reporting continuously during the analysis period (it missed 27 days out of 28), the offsets below may not be accurate.

You can also subscribe to an RSS feed to tell you when new stations come online in this area. Choose either within 100 miles or 250 miles . For stations covered by your Forecast Office: Green Bay (GRB) .

KSUE4.0 milesWest Sturgeon Bay, WI, United States (lat 44.8394°, long -87.4219°, altitude 221 metres)
K3D222.4 milesNorth Ephraim-Gilbraltar AP, Ephraim, WI, United States of America (lat 45.1357°, long -87.1881°, altitude 235 metres)
KOCQ28.0 milesWest Oconto J. Douglas Bake Memorial Airport, WI, United States of America (lat 44.8742°, long -87.9096°, altitude 184 metres)
FW307943.7 milesSouthwest Green Bay, WI, US (lat 44.4908°, long -88.0918°, altitude 199 metres)
KGRB46.0 milesSouthwest AUSTIN STRAUBEL INTERNATIONAL AIRPORT , WI, United States (lat 44.4794°, long -88.1367°, altitude 209 metres)
DW758449.1 milesSouthwest Seymour, WI, US (lat 44.5432°, long -88.2550°, altitude 253 metres)
EW480351.3 milesSouthwest Reedsville, WI, US (lat 44.2332°, long -87.9592°, altitude 265 metres)
KMTW51.3 milesSouth Manitowoc, Manitowoc County Airport, WI, United States (lat 44.1288°, long -87.6806°, altitude 198 metres)
EW976353.5 milesSouthwest Wrightstown, WI, US (lat 44.3274°, long -88.1667°, altitude 199 metres)
KFKS57.8 milesEast Frankfort, Frankfort Dow Memorial Field Airport, MI, United States (lat 44.6252°, long -86.2008°, altitude 193 metres)

Location Formats

The location is shown in three different formats. Each of these is used in some software, and is shown on some websites.

Degrees Minutes Seconds: VWS/VWSAPRS, WeatherLink 5.5, WeatherLink (5.2-5.4), WeatherView (Linux)

Decimal degrees: FreeWX, WeatherView32 (PC application)

LORAN: WeatherDisplay, WUHU, Henriksen WServer


CWOP Home: This describes the whole CWOP program and has a large amount of useful information.

CWOP Siting Guide (PDF): This is a guide to siting and operating a CWOP station. This is a must-read document.

Another CWOP Guide (PDF): This is another guide to siting and operating a CWOP station. This is a must-read document.

Urban Siting and Operations (PDF): This is a guide to siting and operating a CWOP station in an urban environment.

APRS WX Message format: This describes the actual format of the messages transmitted that carry WX information.

WXQC Mailing List: This is a mailing list where data quality issues are discussed. Assistance with software configuration can often be found here.

Topo Map Reading Guide: How to read USGS topographic maps, with a good section on reading contours.

Geographically nearby web pages: Use Geourl to find web pages that deal with locations geographically close to this site.

Overall website comments, problems etc to Philip Gladstone
Page layout last modified Sunday, 28 February 2016
Questions for this weather station owner/operator to John
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