In accordance with Service Change Notice 14-25 from the National Weather Service, NCEI has stopped providing data from the 72 Southwest Regional Climate Reference Network stations since June 1, 2014. The historical data for these stations will remain available. This change does not affect any station in the Climate Reference Network.

U.S. Regional Climate Reference Network

The U.S. Regional Climate Reference Network (USRCRN) pilot project was deployed in the Southwestern U.S. by NOAA during the period 2009-2011. These stations were designed to provide the same level of climate science quality measurements as the national-scale U.S. Climate Reference Network (USCRN), but are spaced more closely, and focus solely on temperature and precipitation. USRCRN stations are deployed at a 130 km spatial resolution to provide for the detection of regional climate change signals.

The long-term vision is to deploy the network in each of the nine NOAA climate regions of the United States to detect climate change very rapidly, as it is happening. As with the USCRN, USRCRN stations have triple redundancy and are placed in pristine environments. About 538 locations in the United States will have either a USRCRN or USCRN station when this project is completed. Expansion beyond the Southwest has been suspended at this time. This project is managed by NOAA's National Weather Service Office of Science and Technology in partnership with NOAA's National Centers for Environmental Information and NOAA's Atmospheric Turbulence and Diffusion Division.

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