On this page: Temporal Coverage | Spatial Coverage | Levels | Update Schedule | Download/Plot Data | Analysis Tools
Restrictions | Details | Caveats | File Naming | Citation | References | Original Source | Contact

Prism Data Set

[an error occurred while processing this directive] Note, this version of the dataset is currently only available locally at PSD.

Brief Description:

  • Prism: Monthly High Resolution US Precipitation and Temperature (Average Maximum and Average Mininum).

Temporal Coverage:

  • Monthly values for 1895/01 - present.
  • Long term monthly means, derived from data for years 1981-2010.

Spatial Coverage:

  • 0.04 degree latitude x 0.04 degree longitude global grid (1405x621).
  • 24.0625-49.89584N, 234.9792-293.4792E
Latest available data: Click to Enlarge


  • N/A

Update Schedule:

  • Monthly

Download/Plot Data:

Variable Statistic Level Download File Create Plot/Subset
Precipitation Total /Datasets.private/prism/precip.mon.total.nc plot
Precipitation Long Term Mean /Datasets.private/prism/precip.mon.ltm.nc plot
Maximum Temperature Mean /Datasets.private/prism/tmax.mon.mean.nc plot
Maximum Temperature Long Term Mean /Datasets.private/prism/tmax.mon.ltm.nc plot
Minimum Temperature Mean /Datasets.private/prism/tmin.mon.mean.nc plot
Minimum Temperature Long Term Mean /Datasets.private/prism/tmin.mon.ltm.nc plot

Usage Restrictions:

  • OSU should be cited as below.

Detailed Description:

  • See the OSU Prism website. The old version at PSD was replaced with the new version on Aug 19. The new version includes more stations as well as improved methods. Daily data is available at OSU.


  • Provisional data is stored for the last 6 months and will be overwritten with the 'stable' data.

Related File Naming & Structure Information:

File Names:

  • var.time.stat.nc   (In directory: /Datasets.private/prism/)

Dataset Format and Size:

  • PSD standard NetCDF 4 (1.4-1.8G) Mbytes for each monthly file.
  • PSD standard NetCDF 42 Mbyte file for each long term mean file.

Missing Data:

  • Missing data is flagged with a value of -9.36e36


  • Please note: If you acquire Prism data products from PSD, we ask that you acknowledge us in your use of the data. This may be done by including text such as Prism data provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, from their Web site at http://www.esrl.noaa.gov/psd/ in any documents or publications using these data. We would also appreciate receiving a copy of the relevant publications. This will help PSD to justify keeping the Prism data set freely available online in the future. Thank you!
  • When referring to the data, the original OSU source must be clearly and prominently stated and include, at a minimum, our name, URL, and the date of data creation. For example:PRISM Climate Group, Oregon State University, http://prism.oregonstate.edu, created 4 Feb 2004. The last download is in the netCDF files at PSD. Note stable data will overwrite provisional data. Provisional data is the last 6 months.


Original Source:


  • Physical Sciences Division: Data Management
    325 Broadway
    Boulder, CO 80305-3328