Yesterday's snow cover extent across Northern Hemisphere lands. For more daily charts,
including the departure from satellite-era normal, click the map.
24 km weekly snow extent now available from Sep. 1980 forward. Download the netCDF or see more details at NSIDC. Enhanced maps at 24 km resolution, including daily departures are coming soon.
Snow Extent CDR
Rutgers University Global Snow Lab maps, figures and
tabular data are generated from the Northern Hemisphere SCE CDR v01r01. This is the latest version, now available from NCEI.
[
October 2025
Average snow cover extent for the latest month. Based on Rutgers GSL analysis of NOAA daily snow maps. For more results, including the monthly departure from normal for this and other months back to the late 1960s click the map.
2024 Annual ReportAnnual snow cover extent (SCE) over Northern Hemisphere lands averaged 23.9 million square kilometers in 2024. This was 1.0 million sq. km less than the 1991-2020 mean and ranks 2024 as having the 3rd least extensive cover on record... [download]
SupportSupport for the development and maintenance of this website is provided through the National Oceanic and Atmospheric Administration's Climate Data Record Program.