Service Description: Annual Average and Maximum Days over 90 Degrees (2019-2023)
Service ItemId: 01a6ac129aa74a2c809933f31120825b
Has Versioned Data: false
Max Record Count: 2000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
Supports Shared Templates: False
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Description: This dataset uses daily PRISM climate data (maxT - dry bulb) from 2019-2023 to create average annual and maximum annual days over 90 degrees (F), by census block group. This dataset was developed to provide a community level geospatial layer that communicates relative heat risk (dry bulb--humility is not factored). Daily maximum temperature rasters were taken from PRISM Climate Group. These daily maximum temperatures were converted to binary layers: >=90 degrees (1) and <90 degrees (0). These binary layers were added together and divided by 5 (years) to get an average estimate of days above 90 degrees, as well as a maximum over the 5-year period. Raster data was aggregated into 2022 census block groups using a focal spatial join. This data layer is currently being used in EJScreen.
Extent: CONUS only
Citations:
PRISM Climate Group
PRISM Climate Group, Oregon State University, https://prism.oregonstate.edu, data created 28 Jan 2024, accessed 20 Jan 2024.
Suitability of gridded climate datasets for use in environmental epidemiology
https://www.nature.com/articles/s41370-018-0105-2
Copyright Text: 1.) Alex Hall, US Environmental Protection Agency, Office of Environmental Justice and External Civil Rights.
2.) PRISM Climate Group, Oregon State University, https://prism.oregonstate.edu, data created 28 Jan 2024, accessed 20 Jan 2024.
Spatial Reference: 102100 (3857)
Initial Extent:
XMin: -9787723.54294224
YMin: 5070337.39413781
XMax: -9726137.54554855
YMax: 5098816.46807709
Spatial Reference: 102100 (3857)
Full Extent:
XMin: -19951914.9256
YMin: -1617129.1067
XMax: 16259827.9852
YMax: 11554348.2474
Spatial Reference: 102100 (3857)
Units: esriMeters
Child Resources:
Info
Supported Operations:
Query
ConvertFormat
Get Estimates
Create Replica