AIRNow Information for AN479 in Frisco C31, TX, United States of America

The following information is known about AN479. 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: 33° 7' 57" N (deg min sec), 33.1324° (decimal), 3307.95N (LORAN)
Longitude: 96° 47' 11" W (deg min sec), -96.7864° (decimal), 09647.19W (LORAN)
Elevation: 237 metres (777 feet) -- validated against 233 metres (766 feet) from NED 1/3rd arc-second: Eastern United States
Location: Frisco C31, TX, United States of America
County: Collin, TX
Data provider: TCEQ
Forecast Office: Dallas/Fort Worth (FWD)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'AN479' 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.

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. This position has been modified based on user feedback. The user provided this information: I've passed by the station and wanted to update the information. At the base of the marker you can see a long shadow. That shadow is of the tower the instruments are mounted on.

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

Data has been seen on each of the last 27 analyzed days.

Recent observations from this weather station can be downloaded as a CSV file suitable for importing into various spreadsheet programs: last 7 days, last 14 days, last 28 days, last 56 days. This data can also be linked directly from Excel using a Web Query. The main link goes to the page with the data on it, and the IQY link is the Web Query that will access it: last 7 days (IQY: last 7 days), last 14 days (IQY: last 14 days), last 28 days (IQY: last 28 days), last 56 days (IQY: last 56 days).

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  


Latest daily graph:

Latest daily graph

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.

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: Dallas/Fort Worth (FWD) .

AN9112.6 milesWest Frisco Eubanks C1010, TX, United States of America (lat 33.1447°, long -96.8288°, altitude 195 metres) 0.2°F
DW28932.8 milesSoutheast Plano, TX, US (lat 33.1043°, long -96.7518°, altitude 232 metres) -0.4°F
N5KR4.7 milesSouth Plano, TX, US (lat 33.0674°, long -96.7659°, altitude 224 metres) -0.4°F
EW74734.9 milesNortheast Mckinney, TX, US (lat 33.1865°, long -96.7307°, altitude 198 metres) 0.7°F
EW91155.8 milesSoutheast Allen, TX, US (lat 33.0962°, long -96.6965°, altitude 205 metres) 0.4°F
DW41117.1 milesSouth Plano, TX, US (lat 33.0356°, long -96.7481°, altitude 209 metres) -0.1°F
K5BL8.5 milesEast McKinney, TX, US (lat 33.1662°, long -96.6453°, altitude 205 metres) 0.2°F
FW09428.7 milesSoutheast Plano, TX, US (lat 33.0450°, long -96.6776°, altitude 177 metres) 0.2°F
DW18988.8 milesSoutheast Plano, TX, US (lat 33.0350°, long -96.6900°, altitude 191 metres) 0.1°F
EW71189.0 milesSouthwest Lewisville, TX, US (lat 33.0533°, long -96.9097°, altitude 158 metres) -0.2°F

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
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