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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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The site location should be at the mark shown -- or very close.
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.
Can you help with location quality? Please indicate if the marker on the map points at the weather instrument cluster:
The location information for this site was gathered from 2 data sources. The source which most closely matches the consensus is chosen. Many of these sources only report the location to the nearest minute (or hundredth of degree). This can lead to the marker being placed noticeably incorrectly. Please see Discussion of Location Errors for more information. Show location history.
Latitude: dummy (deg min sec), dummy (decimal), dummy (LORAN)
Longitude: dummy (deg min sec), dummy (decimal), dummy (LORAN)
Estimated elevation is dummy metres (dummy feet) from dummy.
Location is dummy (reverse geocoded).
Move marker to new address.
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. (There are some) (There are none) (There may be some) (Automatically loaded if any)
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
NOTE: If the error above is POSITIVE, then it means that the analysis temperature is HIGHER than the reported temperature. This means that your sensor is reading COLDER than expected. |
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Latest daily graph:
Your readings are not within an acceptable error range. The automated problem analysis cannot identify the problem. You can signup on the wxqc mailing list and post information about this situation there. This is may be caused by poor siting of the sensor (e.g. under eves, in screen porch, or in thick tree coverage). For information on siting, see CWOP Station Guide.
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 23 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: Salt Lake City (SLC) .
| Site | Distance | Location | Barometer | Temperature | Dewpoint | ||
|---|---|---|---|---|---|---|---|
| CW4611 | 9.4 miles | Northeast | Aspen Mtn, UT, US (lat 40.7945°, long -111.1337°, altitude 2300 metres) | ||||
| FW8379 | 14.8 miles | West | Park City, UT, US (lat 40.7431°, long -111.4848°, altitude 2002 metres) | ||||
| GW5423 | 17.5 miles | West | PARK CITY, UT, US (lat 40.7053°, long -111.5485°, altitude 2004 metres) | ||||
| FW0319 | 25.9 miles | West | Salt Lake City, UT, US (lat 40.7533°, long -111.6998°, altitude 1730 metres) | ||||
| CW8826 | 30.0 miles | West | Salt Lake City, UT, US (lat 40.6927°, long -111.7885°, altitude 1555 metres) | ||||
| EW6393 | 31.6 miles | West | Salt Lake City, UT, US (lat 40.7222°, long -111.8171°, altitude 1480 metres) | ||||
| FW6938 | 32.5 miles | Southwest | Alpine, UT, US (lat 40.4495°, long -111.7602°, altitude 1550 metres) | ||||
| GW4949 | 32.5 miles | West | SALT LAKE CITY, UT, US (lat 40.6970°, long -111.8368°, altitude 1381 metres) | ||||
| FW0287 | 33.2 miles | West | Murray, UT, US (lat 40.6407°, long -111.8487°, altitude 1342 metres) | ||||
| W7CBM | 33.5 miles | West | Salt Lake City, UT, US (lat 40.6532°, long -111.8548°, altitude 1325 metres) |
The 'MADIS rating' reports on the percentage of observations that pass the MADIS checks. You should aim for two thumbs up!
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 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.
