Field

Rutgers snowcover
Climate Data Record (CDR) of Northern Hemisphere (NH) Snow Cover Extent (SCE) (CDR Name: Snow_Cover_Extent_NH_IMS_Robinson)
X axis: whole world in 360 1.00° steps, first point at 89.50° W, last point at 269.50° E
Y axis: regular grid with 80 1.00° steps, first point at 10.50° N, last point at 89.50° N

Monthly data available from Jan1966 to Dec2021 ( 672 months)
Variable snow_cover_extent (monthly mean of daily NOAA/NCDC Climate Data Record of snow cover extent) in
Full metadata.

Get grid points, average area or generate subset

Mask:	no mask mask17.txt ALA AMZ Antarctica Arctic CAM CAR CAS CEU CGI CNA EAF EAS ENA EQPacific MED NAS NAU NEB NEU NIndian NTPacific SAF SAH SAS SAU SEA SSA STPacific TIB WAF WAS WIndian WNA WSA   add a mask to the list
Latitude:	°N - °N
Longitude:	°E - °E
Boundaries:	halfway grid points interpolated
Make:	average max min set of grid points subset of the field
Demand at least:	% valid points in this region

Create a field with lower time resolution

New time scale:	annual (Jul-Jun) annual (Jan-Dec) biannual seasonal
New variable:	mean sd sum sum above sum below number min time of min max time of max first time last time of snowcover
Threshold:	no cut less than greater than absolute value percentile normal 1971-2000
Minimum:	% valid data
First apply:	-month running mean
Missing data:	ignore, climatology, trend, persistence.

Create a field with lower spatial resolution

Average over blocks of longitude and latitude grid cells

Construct a statistical forecast model from this field

Rutgers University does not allow us to redistribute this file. Please contact Thomas Estilow for access to these data.