What's New on the PRISM Portal

New features are added to this public portal on a regular basis, always on the last day of the month. This page lists the most recent additions or changes so you can make sure you haven't missed any. The most recent entries appear at the top.

  • (31 Aug 2017) Added ability to batch download data for multiple points/sites (and multiple climate variables) via a single request using the Data Explorer Bulk Download tool
  • (31 May 2017) Added ability to query/download multiple climate variables at a time using the Data Explorer
  • (31 May 2017) Modified the Recent Years section to include the "provisional annual" grid (i.e., the annual grid from the prior year, before it is considered fully stable). The provisional annual grid is also now available in the Data Explorer
  • (31 Jan 2017) Replaced previous "Gallery" with new Projects section hosting maps and data that were originally proprietary, but have now been released for public use. Includes the Plant Hardiness Zone data we developed for USDA
  • (31 Aug 2016) Released vapor pressure deficit minimum/maximum (vpdmin/vpdmax) data. Vapor pressure deficit minimum and maximum are now available at daily (1981 forward), monthly (1895 forward), and annual (1895 forward) time scales, and are also available in the Data Explorer
  • (31 May 2016) Released mean dewpoint temperature (tdmean) data. Mean dewpoint temperature is now available at daily (1981 forward), monthly (1895 forward), and annual (1895 forward) time scales, and is also available in the Data Explorer
  • (30 Jun 2015) Updated PRISM datasets document, available from each section
  • (30 Jun 2015) Released new precipitation versions (1981 onward): daily and monthly values now reconcile at the end of each month
  • (30 Jun 2015) Updated PRISM datasets document, available from each section
  • (28 Feb 2015) Added Data Explorer tool to analyze time-series data for a single location
  • (28 Feb 2015) Added "provisional" (likely to change) version of 2014 annual summary data on PRISM ftp site
  • (28 Feb 2015) Added new page featuring publications about PRISM
  • (31 Jan 2015) Incorporated "preview" version of 2014 annual summary data to Comparisons section; this data is reflected in both Drought Indicator and Anomalies pages
  • (31 Dec 2014) Updated PRISM datasets document available from each section
  • (31 Dec 2014) Added 30-Year Normals for 3 new humidity variables: mean dewpoint temperature, minimum vapor pressure deficit, maximum vapor pressure deficit
  • (31 Dec 2014) Made elevation data available, on 30-Year Normals page
  • (31 Oct 2014) Implemented Data Update Calendar to provide specifics on when each dataset from the "provisional" period (most recent 6 months) was last updated
  • (30 Sept 2014) Added Drought Indicator Tool showing how precipitation over a selected window of time since 1990 deviates from long-term averages
  • (31 Aug 2014) Incorporated a station inventory as part of every data package
  • (31 Aug 2014) Updated Frequently Asked Questions to describe where to find the new station data and state images
  • (31 Jul 2014) Added Gallery of state map images