MesoWest Information for UP590 in Castle, CA, United States Of America (site inactive)

The following information is known about UP590. 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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UP590
CW0136
FW0579
CW2060
FW7364
FW1340
KI6IKQ
N6XE
GW2334
GW1393
DW0946
K7FED
DW9278
EW9135
FW2692
CW6620
DW3588
KN6DHD
DW8427
KJ6MC
DW7479
CW4719
K6NC
GW5235
EW4850
GW4205
EW8331
GW2871
K6BIV
DW1155
N6SPP
FW6305
EW4496
CW9085
KD7ECD
W6CX
FW3932
EW9715
GW3201
EW6555
CW0443
FW8380
DW9558
K6PDT
EW4459
GW0959
FW7514
CW3884
FW9090
KN6ETB-1
KJ6APE
CW9461
GW5230
W6ACT
EW2266
GW5949
FW1863
N6OIM
EW8856
EW1628
EW3975
GW4012
EW8430
GW2732
DW6835
EW9060
KA6UPU-1
GW2602
GW3349
EW2333
DW5348
CW9181
EW1867
WA5KWK
FW4603
EW7741
FW0443
DW7413
GW4975
EW4740
FW9070
FW5459
EW6413
GW0070
DW7401
CW6944
DW4464
FW1470
EW9856
FW9048
DW9396
GW1835
K2MRS
DW3560
DW3835
KN6IKM
GW5416
FW0228
FW5661
EW7041
GW2040
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Registered Location

Latitude: 38° 2' 7" N (deg min sec), 38.0353° (decimal), 3802.12N (LORAN)
Longitude: 121° 16' 43" W (deg min sec), -121.2787° (decimal), 12116.72W (LORAN)
Elevation: 10 metres (32 feet) -- validated against 10 metres (32 feet) from NED 1/3rd arc-second: Western United States
Location: Castle, CA, United States Of America
County: San Joaquin, CA
Data provider: UPR
Forecast Office: Sacramento (STO)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'UP590' 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. Show location history.

There are no photographs of the station. If you have pictures of this location, then please email them to up590@photo.gladstonefamily.net.

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs. (There may be some)

Data Status

Over the last 14 days, no data was seen on the following dates: 2025-03-03 to 2025-03-11.

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 14 days. Change analysis period to Last 3 days  Last 7 days  Last 4 weeks  Last 8 weeks  Last 13 weeks  Last 26 weeks  Last 39 weeks  Last 52 weeks  

By default, the longer analysis periods display graphs that show the long term performance of this station. The graphs show the mean error over time, and include error bars which are one standard deviation long. This provides an easy way to see if there are any underlying trends in the data. Note that a 'step' in your data does not (necessarily) mean that something happened to your station. It could mean that another station came online in the local area, and they are changing the analysis.

The analysis is performed by MADIS. This web page just provides visualization of the data that MADIS produces. There are a number of very knowledgeable people who participate on the WXQC Mailing List who do understand exactly how MADIS works and can resolve issues when the analysis seems to be broken. However, in most cases, the station readings are at fault, or the software that is transmitting the data to CWOP. Please check those paths first.

You can also see how this station compares with other stations.

Temperature

  24 hours  Day time  Night time
Average temperature error3.3 °F3.6 °F3.1 °F
Error standard deviation1.6 °F1.4 °F1.8 °F
Worst average temperature error3.5 °F3.7 °F3.5 °F
Worst standard deviation1.9 °F1.5 °F2.1 °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.

  Daytime mean error (3.6) and night time mean error (3.1) both large and positive
 
MADIS
rating
MADIS rating 99% QC OK
 

Latest daily graph:

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.

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 9 days out of 14), 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) .

SiteDistanceLocationBarometerTemperatureDewpoint
CW01363.7 milesWest Stockton, CA, US (lat 38.0332°, long -121.3473°, altitude 2 metres) 4.1°F
FW05796.0 milesNortheast Lodi, CA, US (lat 38.1007°, long -121.2065°, altitude 19 metres) 5.6°F
FW736410.3 milesNorth Acampo, CA, US (lat 38.1743°, long -121.2093°, altitude 27 metres) 6.5°F
FW134010.6 milesNorth Acampo, CA, US (lat 38.1883°, long -121.2810°, altitude 15 metres) 6.7°F
KI6IKQ14.0 milesSouth Lathrop, CA, US (lat 37.8350°, long -121.3128°, altitude 3 metres) 5.3°F
K7FED23.4 milesSouth Tracy, CA, US (lat 37.7155°, long -121.4167°, altitude 31 metres) 3.1°F
DW358826.0 milesWest Brentwood, CA, US (lat 37.8990°, long -121.7230°, altitude 54 metres) 0.3°F
KN6DHD26.2 milesNorth Elk Grove, CA, US (lat 38.4097°, long -121.3458°, altitude 17 metres) 5.2°F
KJ6MC26.9 milesNorth Elk Grove, CA, US (lat 38.4193°, long -121.3603°, altitude 15 metres) 5.3°F
CW471927.8 milesNorth Elk Grove, CA, US (lat 38.4308°, long -121.3738°, altitude 12 metres) 5.4°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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