Description

30 Year Spatial Climate Averages are used to describe the average climatic conditions for an area and include variables for maximum temperature, minimum temperature, precipitation, and climate moisture index. At the end of each decade, scientists at Natural Resources Canada have been creating the newest models for as many climate variables as possible. Using a program called ANUSPLIN and climate data points, models for Canada and the United States are created. The NRCan Climate Averages are a large suite of datasets that can be used to compare weather of the past and present to help predict the future climate. The 30 year averages are computed for a uniform 30 year period and consists of the 12 monthly averages computed over the 30 year time period. The 30-year periods included in this series are: 1901-1930; 1921-1950; 1931-1960; 1951-1980; 1961-1990; 1971-2000; 1981-2010; 1991-2020. These are standard 30-year WMO (World Meteorological Organization) periods. Although this data has been processed successfully on a computer system at the Canadian Forest Service, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general scientific purposes, nor shall the act of distribution constitute any such warranty. The disclaimer applies both to individual use of the data and aggregate use with other data. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. The Canadian Forest Service shall not be held liable for improper or incorrect use of the data described and/or contained herein.

Resources

Name	Format	Description	Link
30 Year Average; 1961-1990	ZIP		https://ftp.maps.canada.ca/pub/nrcan_rncan/Climate-archives_Archives-climatologiques/NAM_30_Year_Averages/1961-1990
30 Year Average; 1971-2000	ZIP		https://ftp.maps.canada.ca/pub/nrcan_rncan/Climate-archives_Archives-climatologiques/NAM_30_Year_Averages/1971-2000
30 Year Average; 1981-2010	ZIP		https://ftp.maps.canada.ca/pub/nrcan_rncan/Climate-archives_Archives-climatologiques/NAM_30_Year_Averages/1981-2010
30 Year Averages; 1991-2020	ZIP		https://ftp.maps.canada.ca/pub/nrcan_rncan/Climate-archives_Archives-climatologiques/NAM_30_Year_Averages/1991-2020

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