MesoWest Information for LIB08 in 111Line-Columbine Trail, CA, United States Of America (site inactive)

The following information is known about LIB08. 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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LIB08
EW3758
FW7537
KQ7A
KJ6IX
DW2103
FW9917
CW6917
DW8590
EW8944
DW9413
EW9139
GAPWX
EW6293
GW0254
DW9019
EW1336
K7SFN
CW4253
FW6330
KC7WRB
FW8247
DW8690
FW9304
GW5419
DW9436
FW9934
GW4188
CW2998
FW0079
GW1849
FW0451
FW6155
N6YV
FW5892
FW1750
GW0367
GW2216
CW6601
FW7206
GW1258
GW0946
FW7603
EW8905
DW7259
CW9148
EW6216
KN6IKM
K6MLE
DW4069
FW9354
CW5914
CW5121
EW4543
EW6476
EW1869
N7FEQ
GW5980
EW1922
DW9396
EW5691
GW1956
EW6551
AD7ZD
FW9226
KE6OBI
DW5805
FW0538
N6ZQK
CW6129
CW6842
AJ7E
WA5KWK
CW6120
CW1177
FW9150
EW8204
DW0026
N7QMJ
GW3537
FW0443
KI6PPU
DW9434
DW4464
FW9070
EW8856
DW7401
EW3821
GW0714
GW0434
FW5459
DW8862
GW4338
DW7413
WA7JAY
EW4740
K9JM
GW4632
EW9947
CW2857
EW6267
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Registered Location

Latitude: 38° 53' 26" N (deg min sec), 38.8906° (decimal), 3853.44N (LORAN)
Longitude: 119° 57' 35" W (deg min sec), -119.9596° (decimal), 11957.58W (LORAN)
Elevation: 1980 metres (6496 feet) -- validated against 1993 metres (6539 feet) from Geonames
Location: 111Line-Columbine Trail, CA, United States Of America
County: El Dorado, CA
Data provider: LIBERTY
Forecast Offices: Sacramento (STO), Reno (REV)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'LIB08' 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 1 data source. 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.

There are no photographs of the station. If you have pictures of this location, then please email them to lib08@photo.gladstonefamily.net.

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs. (There are none)

Data Status

Over the last 28 days, no data was seen on the following dates: 2025-02-17 to 2025-02-20, 2025-03-03 to 2025-03-15.

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  

Temperature

  24 hours  Day time  Night time
Average temperature error-1.2 °F0.4 °F-2.4 °F
Error standard deviation2.7 °F2.0 °F2.6 °F

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.

 
 
MADIS
rating
MADIS rating 98% QC OK
 

Latest daily graph:

Latest daily graph

These values are within the acceptable range. This probably means that your sensor is sited correctly and is calibrated correctly.

Dewpoint -- or switch to Relative Humidity

  24 hours  Day time  Night time
Average dewpoint error-0.2 °F-0.6 °F0.2 °F
Error standard deviation2.2 °F2.5 °F1.9 °F

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.

 
 
MADIS
rating
MADIS rating 99% QC OK
 

Latest daily graph:

Latest daily graph

These values are within the acceptable range. This probably means that your sensor is sited correctly and is calibrated correctly.

Wind Vector

The wind vector is the average wind over the relevant period. Note that if the wind blows North for half the time at 2 knots, and then blows South for the other half of the time at 2 knots, then the result is zero -- i.e. North wind and South wind will cancel out. Over time, the direction of the wind and of the analysis should match pretty well. If the lengths of the vector are different, then it could mean either that your anemometer reads high or low, or that you are in a more shielded or more open space.
MADIS
rating
MADIS rating 100% QC OK
TodayLast 7 days
Wind vector chartWind vector chart for last 7 days

Neighboring Stations

This is a list of stations that are close to this station. Note that this is not the list of stations that are used in the data analysis. That list of stations is known only to MADIS. You can see all the stations at MADIS Data Display. Your station should be in the middle of the display. If you think that the analysis is incorrect, then maybe one of the close stations has failed.

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 17 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: Sacramento (STO),Reno (REV) .

SiteDistanceLocationBarometerTemperatureDewpoint
EW37582.9 milesSouthwest Meyers, CA, US (lat 38.8715°, long -120.0068°, altitude 1913 metres) 4.9°F-3.9°F
KQ7A7.6 milesEast GARDNERVILLE, NV, US (lat 38.8790°, long -119.8183°, altitude 1463 metres) 8.2°F-2.9°F
FW991713.7 milesNorth Glenbrook, NV, US (lat 39.0882°, long -119.9318°, altitude 1940 metres) 5.7°F-2.8°F
EW894417.3 milesNortheast Carson City, NV, US (lat 39.0920°, long -119.7680°, altitude 1476 metres) 5.6°F-2.3°F
EW629324.4 milesNorth Incline Village, NV, US (lat 39.2418°, long -120.0002°, altitude 1939 metres) 3.4°F-3.9°F
GW025425.3 milesNorth Incline Village, NV, US (lat 39.2565°, long -119.9823°, altitude 2074 metres) 2.3°F-0.3°F
EW133626.8 milesNorth Incline Village, NV, US (lat 39.2778°, long -119.9430°, altitude 2258 metres) 3.4°F1.0°F
DW943634.3 milesNorth Truckee, CA, US (lat 39.3498°, long -120.1993°, altitude 1972 metres) 6.6°F-2.0°F
GW418834.5 milesNorthwest TRUCKEE, CA, US (lat 39.3370°, long -120.2458°, altitude 2118 metres) 3.1°F-2.5°F
CW299835.1 milesNortheast Dayton, NV, US (lat 39.2713°, long -119.5267°, altitude 1326 metres) 7.7°F-3.3°F

Quality Control Notes

This page reports on the quality control checks performed by MADIS. The green check mark and red cross are chosen based on the average performance during the analysis period (which is selectable above). The red cross can appear even if MADIS reports that all observations pass the MADIS QC checks.

The 'MADIS rating' reports on the percentage of observations that pass the MADIS checks. You should aim for two thumbs up!

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

Resources

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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