Why would anyone want to calculate data, that can be plotted, from these;
NSIDC-0050 Arctic and Antarctic Research Institute (AARI) 10-Day Arctic Ocean EASE-Grid Sea Ice Observations
G00799 Arctic and Southern Ocean Sea Ice Concentration
G01938 Arctic Climatology Project - EWG Arctic Meteorology and Climate Atlas
G01358 Arctic Ocean Drift tracks from Ships, Buoys and Manned Research Stations
G02139 AWI Moored ULS Data, Greenland Sea and Fram Strait, 1991-2002
G01359 AWI Moored ULS Data, Weddell Sea (1990-1998)
NSIDC-0020 Coordinated Eastern Arctic Experiment (CEAREX), 1988 through 1989
G01111 The Dehn Collection of Arctic Sea Ice Charts, 1953-1986
G01962 Environmental Working Group Joint U.S.-Russian Arctic Sea Ice Atlas
N/A Global Digital Sea Ice Data Bank (GDSIDB)
G02177 Ice Draft and Ice Velocity Data in the Beaufort Sea, 1990-2003
G00791 International Arctic Buoy Program (IABP) Drifting Buoy Gridded Pressure, Temperature, Position, and Interpolated Ice Velocity
G00807 International Ice Patrol (IIP) Iceberg Sightings Database
NSIDC-0084 IPAB Antarctic Drifting Buoy Data
G02169 March through August Ice Edge Positions in the Nordic Seas, 1750-2002
G02186 Multisensor Analyzed Sea Ice Extent – Northern Hemisphere (MASIE-NH)
G02140 Morphometric Characteristics of Ice and Snow in the Arctic Basin: Aircraft Landing Observations from the Former Soviet Union, 1928-1989
G02172 National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format
G00917 National Meteorological Center/Climate Analysis Center Arctic and Antarctic Sea Ice, 1973-1990
G02176 Sea Ice Charts of the Russian Arctic in Gridded Format, 1933-2006
G02182 Sea Ice Edge Location and Extent in the Russian Arctic, 1933-2006
G01169 Sea Ice Melt Pond Data from the Canadian Arctic, 1994
G02129 Southern Hemisphere Ice Limits, 1973-1978
G01360 Submarine Upward Looking Sonar Ice Draft Profile Data and Statistics
02/23/2011 12:00AM 136,192 melt_1979_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1980_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1981_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1982_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1983_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1984_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1985_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1986_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1987_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1988_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1989_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1990_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1991_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1992_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1993_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1994_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1995_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1996_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1997_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1998_v02_n.bin
02/23/2011 12:00AM 136,192 melt_1999_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2000_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2001_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2002_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2003_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2004_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2005_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2006_v02_n.bin
02/23/2011 12:00AM 136,192 melt_2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_earliest_1979-2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_latest_1979-2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_mean_1979-2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_median_1979-2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_range_1979-2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_stdev_1979-2007_v02_n.bin
02/23/2011 12:00AM 544,768 melt_trend_1979-2007_v02_n.bin