Intended to aid in planning sailing voyages, to help visualize weather patterns, and to integrate with the weather routing plugin to compute optimal sailing routes.

Satellite weather data from the last 30 years is averaged, then represented using only useful bits, then compressed to produce a much smaller database used by the plugin.

Raw Data is compiled from the following sources:

Wind: ftp://eclipse.ncdc.noaa.gov/pub/seawinds/SI/uv/ (1987 to 2013)
Current: http://podaac.jpl.nasa.gov/dataset/OSCAR_L4_OC_third-deg (1992 to 2012)
Surface Air Temperature: ftp://ftp.cdc.noaa.gov/Datasets/ncep.marine/air.mean.nc
Precipitation: ftp://ftp.cdc.noaa.gov/Datasets/cmap/std/precip.mon.mean.nc
Relative Humidity: ftp://ftp.cdc.noaa.gov/Datasets/icoads/1degree/global/enh/rhum.mean.nc
Cloud: http://www.jisao.washington.edu/data/coads_climatologies/cldccoadsclim5079.nc
Sea Level Pressure: http://www.jisao.washington.edu/data/coads_climatologies/slpcoadsclim5079.nc
Sea Surface Temperature: http://www.jisao.washington.edu/data/coads_climatologies/sstcoadsclim6079.1deg.nc
Lightning: ftp://ghrc.nsstc.nasa.gov/pub/lis/climatology/HRMC/data/LISOTD_HRMC_V2.3.2013.hdf
Sea Depth: http://www.esrl.noaa.gov/psd/data/data.nodc.woa98.html
Cyclone Tracks: http://unisys.com
El Nino Years: http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ensoyears.shtml

The Climatology Plugin is written and maintained by Sean D'Epagnier