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NOAA ThreadEx Long-term Station Extremes for America

Climate Data Guide Image: ThreadEx

ThreadEx is a data set of extreme daily temperature and precipitation values for 270 locations in the United States. For each day of the year at each station, ThreadEx provides the top 3 record high and low daily maximum temperatures, the top 3 record high and low daily minimum temperatures, the top 3 daily precipitation totals, along with the years the records were set for the date. Many of the time series are available back to the 1800s AD. This archive was developed for the express purpose of conveying general climate perspectives information. It is not appropriate for climate research.

Key Strengths:

  • Stitches together data from multiple sources to create long time series of extreme temperatures and precipitation amounts for each day of the year

Key Limitations:

  • Limited online documentation (more to be added here when available)
  • The 'threading' of data from nearby stations along with no adjustments for changing location and instrumentation makes it unsuitable for (say) climate change research.

Years of Record

1870/01 to 2011/12
temporal metadataID:

Formats

Timestep

Daily

Data Time Period Extended?

yes, data set is extended

Domain

North America

Spatial Resolution

in-situ

Ocean or Land

Land Only

Missing Data Flag

missing data present

Vertical Levels

Surface Data Set

Input Data

station data

Earth system components and main variables

Atmosphere, Air Temperature, Maximum Air Temperature, Minimum Air Temperature, Precipitation

Data Access: Please Cite data sources, following the data providers' instructions.

  1. Download from ThreadEx website

Key Figures

Click the thumbnails to view larger sizes

Thumbnails

Captions
Climate Data Guide Image: ThreadEx ThreadEx extreme daily temperature and precipitation values for Milton, MA for 1893-2011. (TMAXHI->Highest maximum temperature; TMAXLO->Lowest maximum temperature; TMINHI->Highest minimum temperature; TMINLO->Lowest minimum temperature; PRCPHI - Highest precipitation). (Climate Data Guide; D. Shea)

Cite this page

National Center for Atmospheric Research Staff (Eds). Last modified 20 Nov 2013. "The Climate Data Guide: NOAA ThreadEx Long-term Station Extremes for America." Retrieved from https://climatedataguide.ucar.edu/climate-data/noaa-threadex-long-term-station-extremes-america.

Acknowledgement of any material taken from this page is appreciated. On behalf of experts who have contributed data, advice, and/or figures, please cite their work as well.