Quality Controlled Local Climatological Data
QCLCD (v.1.3)
Your Access Will Require Payment
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- The Quality Controlled Local Climatological Data product consists of hourly, daily, and monthly summaries for approximately 1600 U.S. locations.
Daily Summary forms are not available for all stations.
- The best product for customers requesting multi-month, multi-station capability is the CDO system:
http://cdo.ncdc.noaa.gov/pls/plclimprod/poemain.accessrouter?datasetabbv=SOD (daily only)
http://cdo.ncdc.noaa.gov/pls/plclimprod/poemain.accessrouter?datasetabbv=DS3505 (hourly data)
SOD is daily; 3505 is hourly.
- Some differences between ASOS and non-ASOS stations:
ASOS:
Elevation is available and will be displayed
Fahrenheit temperature variables will be displayed in whole degrees
Celsius temperature variables will be displayed in tenths of degrees
Non ASOS:
Daily summary forms are not available
Fahrenheit and Celsius variables will be displayed in whole degrees
Sea Level Pressure and Total Precipitation values are not available
Other elements/values will occasionally be unavailable
- Want to know more about ASOS and AWOS stations? Visit this FAA web site for more information.
- ASCII comma-delimited version is provided for those who desire to import the data into other applications.
- The data provided have been processed through automated quality control processing. First-order stations also undergo additional quality control after the end of the month.
- Subscriptions provide access for one year from date of purchase. Subscriptions can be ordered for All Stations
All Years or for a Single Station All Years. A subscription for ALL also allows downloading of ALL stations for each month
in ASCII format. If you have purchased a subscription, you may access it using the
Subscription Login screen.
- ASCII format download of this data available at http://www5.ncdc.noaa.gov/ulcd for unlimited subscription customers and FREE domains.
- Final Data loads occur on a monthly basis, usually overnight. Data gaps may exist during this time frame.
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