CWOP Information for CW7974 (C7974) in Chester, IL, US

The following information is known about CW7974. If you think that any information is incorrect, then please follow the instructions for correcting that data item.

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Registered Location

Latitude: 37° 53' 39" N (deg min sec), 37.8942° (decimal), 3753.65N (LORAN)
Longitude: 89° 48' 38" W (deg min sec), -89.8105° (decimal), 08948.63W (LORAN)
Elevation: 173 metres (567 feet) -- validated against 173 metres (568 feet) from NED Contiguous U. S. 1/3E arc second elevation data
Location: Chester, IL, US
County: Randolph, IL
Forecast Office: St. Louis (LSX)
Weather station Manager/Operator: Scott
Station type/software: Davis Vantage Pro 2 Plus with Weatherlink-IP

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'CW7974' 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.

The station (or view from the station) is shown here. You can choose the view direction to see the surroundings. Other information (and somewhat larger images) can be found by clicking on the picture.

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

Data Status

Over the last 28 days, no data was seen on the following dates: 2018-11-12 to 2018-11-13, 2018-11-15 to 2018-11-23, 2018-11-25 to 2018-12-08.

A reasonably recent weather report (15 days ago) received from this station was

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  

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 25 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: St. Louis (LSX) .

KPCD3.3 milesSouthwest Perryville Rgnl, Perryville, MO, United States of America (lat 37.8687°, long -89.8621°, altitude 113 metres)
UP8046.2 milesNorthwest Reily1, IL, United States Of America (lat 37.9531°, long -89.8956°, altitude 118 metres)
UP8056.9 milesSoutheast Rkwdjt, IL, United States Of America (lat 37.8411°, long -89.7038°, altitude 117 metres)
UP81010.9 milesNortheast Stelvl, IL, United States Of America (lat 38.0077°, long -89.6707°, altitude 131 metres)
UP46118.3 milesSoutheast Jacob1, IL, United States Of America (lat 37.7445°, long -89.5340°, altitude 110 metres)
KSAR18.4 milesNorth Sparta, Sparta Community-Hunter Field Airport, IL, United States (lat 38.1462°, long -89.7024°, altitude 164 metres)
UP78919.7 milesNorthwest Kidd1, IL, United States Of America (lat 38.0742°, long -90.0900°, altitude 119 metres)
KMDH31.8 milesEast SOUTHERN ILLINOIS AIRPORT, IL, United States (lat 37.7833°, long -89.2453°, altitude 125 metres)
KFAM35.0 milesWest Farmington Airport, MO, United States (lat 37.7626°, long -90.4293°, altitude 288 metres)
EW820335.7 milesNorthwest Waterloo, IL, US (lat 38.3358°, long -90.1493°, altitude 780 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 Scott
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