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Data Set ID:

Adjusted Monthly Precipitation, Snowfall and Rainfall for Canada (1874-1990), Version 1

This data set was distributed by NSIDC until October, 2003, when it was withdrawn from distribution because it duplicates the NOAA National Climatic Data Center (NCDC) data set TD-9816 'Canadian Monthly Precipitation' (Groisman, P.Y. 1998. National Climatic Data Center Data Documentation for TD-9816, Canadian Monthly Precipitation. National Climatic Data Center 151 Patton Ave., Asheville, NC. 21 pp.). TD-9816 contains monthly rainfall, snowfall and precipitation (the sum of rainfall and snowfall) values from 6,692 stations in Canada. NCDC investigator Pavel Groisman obtained the original data from the Canadian Atmospheric Environment Service (AES) in the early 1990s and adjusted the measurements to account for inconsistencies and changes in instrumentation over the period of record. TD-9816 contains both the original and adjusted data. Related data are the Historical Adjusted Climate Database for Canada, Version December 2002, and Rehabilitated Precipitation and Homogenized Temperature Data Sets provided by the Climate Monitoring and Data Interpretation Division's Climate Research Branch, Meteorological Service of Canada. Monthly Rehabilitated Precipitation and Homogenized Temperature Data Sets (updated annually) includes an alternative version of this data set using different correction methods. It is distributed by the Meteorological Service of Canada, who also provides a Microsoft Word document that compares the two different data correction methods.

Geographic Coverage

Spatial Coverage:
  • N: 84, S: 41, E: -52, W: -141

Spatial Resolution: Not Specified
Temporal Coverage:
  • 1 January 1874 to 31 December 1990
Temporal Resolution: Not specified
  • Precipitation > Precipitation Amount
  • Precipitation > Precipitation Rate
  • Precipitation > Rain
  • Precipitation > Snow
  • Snow/Ice > Snow Cover
Data Format(s):
  • ASCII Text (.txt)
Version: V1
Data Contributor(s): Pavel Groisman, Mark Serreze

Data Citation

As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

P. Groisman 2000. Adjusted Monthly Precipitation, Snowfall and Rainfall for Canada (1874-1990), Version 1. [Indicate subset used]. Asheville, North Carolina USA. NCDC: National Climatic Data Center. [Date Accessed].
Questions? Please contact:

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Contact Address:
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University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA