1.0 DCPLUS 20250602 20342200 20251124 20342200 https://www.arcgis.com/sharing/rest/content/items/acbacc8816da4f55853fd6bde5a618ec/info/thumbnail/thumbnail1748897947768.png https://www.arcgis.com/home/item.html?id=acbacc8816da4f55853fd6bde5a618ec acbacc8816da4f55853fd6bde5a618ec Feature Service https://services3.arcgis.com/0Fs3HcaFfvzXvm7w/arcgis/rest/services/nClimGrid_Historical_Observations_Temperature_Variables/FeatureServer nClimGrid Historical Observations Temperature Variables CRIS nClimGrid temperature This layer provides geographical summaries of historical temperature variables within the Contiguous United States. The variables cover the period 1950 - 2020 and are part of the U.S. Climate Resilience Information System and were derived by Esri from the nClimGrid historical climate observations. <div>The <a href='https://cris.climate.gov/' target='_blank' rel='nofollow ugc noopener noreferrer'>Climate Resilience Information System</a> (CRIS) provides data and tools for developers of climate services. This layer has historical variables in decadal increments from 1950 to 2020 derived from historical observations of air temperature and precipitation.</div><div> </div><div>The variables included are:</div><div><ul><li>Annual average daily maximum temperature (°F)</li> <li>Annual average daily temperature (°F)</li> <li>Annual average daily minimum temperature (°F)</li> <li>Annual single highest maximum temperature (°F)</li> <li>Annual single lowest minimum temperature (°F)</li> <li>Annual average summertime (June, July, August) temperature (°F)</li> </ul></div><div>This layer uses data from the <a href='https://www.ncei.noaa.gov/access/metadata/landing-page/bin/iso?id=gov.noaa.ncdc:C00332' target='_blank' rel='nofollow ugc noopener noreferrer'> NOAA Monthly U.S. Climate Gridded Dataset (nClimGrid)</a>. Further processing by Esri is explained below.</div><div><br /></div><div>For each variable, there are mean values for the defined respective geography: counties, tribal areas, HUC-8 watersheds. The process for deriving these summaries is available from the CRIS Website’s <a href='https://cris.climate.gov/pages/about-the-data' target='_blank' rel='nofollow ugc noopener noreferrer'>About the Data</a>. Other climate variables are available from the <a href='https://cris.climate.gov/pages/cris-data' target='_blank' rel='nofollow ugc noopener noreferrer'>CRIS Data</a> page. Additional geographies, including Alaska, Hawai’i and Puerto Rico will be made available in the future.</div><div><br /></div><div><u>Geographies</u></div><div>This layer provides historic values for three geographies: county, tribal area, and HUC-8 watersheds.</div><div><ul><li>County: based on the U.S. Census TIGER/Line <a href='https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.2022.html#list-tab-790442341' target='_blank' rel='nofollow ugc noopener noreferrer'>2022 distribution</a>. </li><li>Tribal areas: based on the U.S. Census American Indian/Alaska Native/Native Hawaiian Area dataset <a href='https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.2022.html#list-tab-790442341' target='_blank' rel='nofollow ugc noopener noreferrer'>2022 distribution</a>. This dataset includes federal- and state-recognized statistical areas.</li><li>HUC-8 watershed: based on the <a href='https://www.usgs.gov/national-hydrography/watershed-boundary-dataset' target='_blank' rel='nofollow ugc noopener noreferrer'>USGS Washed Boundary Dataset</a>, part of the National Hydrography Database Plus High Resolution. </li></ul></div><div><u>Time Ranges</u></div><div>Historic climate threshold values (e.g. Days Over 90&deg;F) were calculated for each year from 1950 to 2020. To ensure the layer displays time correctly, under 'Map properties' set Time zone to 'Universal Coordinated Time (UTC)' and under 'Time slider options' set Time intervals to '1 Decade'.</div><div><br /></div><div><u>Data Citation</u></div><div><div>Vose, Russell S., Applequist, Scott, Squires, Mike, Durre, Imke, Menne, Matthew J., Williams, Claude N. Jr., Fenimore, Chris, Gleason, Karin, and Arndt, Derek (2014): NOAA Monthly U.S. Climate Gridded Dataset (nClimGrid), Version 1. NOAA National Centers for Environmental Information. <a href='https://doi.org/10.7289/V5SX6B56' target='_blank' rel='nofollow ugc noopener noreferrer'>https://doi.org/10.7289/V5SX6B56</a>.</div></div><div><br /></div><div><u>Data Export</u></div><div>Exporting this data into shapefiles, geodatabases, GeoJSON, etc is enabled.</div><div><br /></div> NOAA, Esri <p>This work is licensed under <a href='https://creativecommons.org/licenses/by/4.0/?ref=chooser-v1' target='_blank' style='display:inline-block;' rel='nofollow ugc noopener noreferrer'>Creative Commons Attribution 4.0 International<img style='height:22px!important;margin-left:3px;vertical-align:text-bottom;' src='https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1' alt='' /><img style='height:22px!important;margin-left:3px;vertical-align:text-bottom;' src='https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1' alt='' /></a></p> -124.90222422792601 -66.01874431538516 52.88066170030746 24.39536829201759 1 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acbacc8816da4f55853fd6bde5a618ec https://services3.arcgis.com/0Fs3HcaFfvzXvm7w/arcgis/rest/services/nClimGrid_Historical_Observations_Temperature_Variables/FeatureServer Feature Service EPSG