MesoWest Information for MWDO3 in Miller Woods, OR, United States Of America (site inactive)

The following information is known about MWDO3. 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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MWDO3
FW9373
EW6020
DW7214
DW9680
AD7L
EW9081
K2PO
GW0980
K5VP
GW5652
FW1632
KI7JYE
FW8164
FW6934
DW3664
FW3327
GW4392
GW0388
K7JKM
EW3257
EW1145
W7BDB
AA0PB
EW8660
EW7604
N7NKE
CW0493
CW3999
FW9069
DW2058
FW8313
CW5404
DW3044
K7LWV
GW5460
EW9430
FW3199
FW8005
GW1734
GW4545
FW2474
EW5295
GW4214
N7BTW-13
GW3771
FW8063
WA7SHP-13
EW9917
DW2050
CW7563
FW0232
EW1829
GW4449
GW5568
FW7314
CW9822
EW4932
N1GRZ
FW6720
CW5416
FW0675
GW3760
EW1133
CW3453
FW8409
DW6123
FW1747
DW4881
FW2189
EW2235
CW5646
KD7RJ
FW8831
KF7HDR
EW0159
GW3154
GW1195
GW2619
DW2889
GW2905
EW4831
KA7IKB-2
GW2877
GW4652
GW5960
EW6890
FW9318
FW4829
DW3557
EW6055
EW6204
FW6494
GW1267
PACCTY-2
EW5093
FW4628
KI7RM-1
GW1777
FW9116
FW3963
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Registered Location

Latitude: 45° 14' 51" N (deg min sec), 45.2475° (decimal), 4514.85N (LORAN)
Longitude: 123° 16' 32" W (deg min sec), -123.2756° (decimal), 12316.54W (LORAN)
Elevation: 128 metres (420 feet) -- validated against 129 metres (425 feet) from Google
Location: Miller Woods, OR, United States Of America
County: Yamhill, OR
Data provider: SNOTEL
Forecast Office: Portland (PQR)

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'MWDO3' 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. 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.

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 may be some)

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 2025-03-14.

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-0.3 °F0.6 °F-1.0 °F
Error standard deviation1.6 °F1.5 °F1.3 °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 100% 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.

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 16 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: Portland (PQR) .

SiteDistanceLocationBarometerTemperatureDewpoint
DW968011.8 milesNortheast Yamhill, OR, US (lat 45.3712°, long -123.1090°, altitude 90 metres) 4.9°F
GW098015.6 milesSouthwest Willamina, OR, US (lat 45.0817°, long -123.4923°, altitude 91 metres) 5.6°F
FW163216.5 milesNortheast Laurel, OR, US (lat 45.4187°, long -123.0397°, altitude 307 metres) 1.0°F
KI7JYE16.8 milesEast Newberg, OR, US (lat 45.3121°, long -122.9429°, altitude 80 metres) 4.2°F
FW816416.9 milesSoutheast Keizer, OR, US (lat 45.0778°, long -123.0262°, altitude 37 metres) 4.0°F
GW439219.7 milesSoutheast KEIZER, OR, US (lat 45.0228°, long -123.0278°, altitude 58 metres) 3.3°F
GW038820.2 milesNorth Forest Grove, OR, US (lat 45.5175°, long -123.1160°, altitude 62 metres) 4.8°F
EW114520.7 milesNorth Forest Grove, OR, US (lat 45.5328°, long -123.1450°, altitude 91 metres) 4.9°F
AA0PB21.2 milesNortheast CORNELIUS, OR, US (lat 45.5155°, long -123.0617°, altitude 59 metres) 4.5°F
N7NKE21.5 milesNorth Forest Grove, OR, US (lat 45.5417°, long -123.1318°, altitude 68 metres) 4.4°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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