Climate sites
Institut Pierre-Simon Laplace
UCLA Department of Atmospheric
Sciences
Lamont Doherty Earth Observatory
MétéoFrance
Statistics sites
Groupe "Climstat"
NCAR geophysical statistics
project
Software
R
scilab
SSA-MTM Toolkit
Analyseries
python
Climate data
NCEP reanalyses
Climatic Research Unit
instrumental data
ECA European intrumental data
(temperature and precipitation)
Paleoclimate data: tree rings
Discussions
Realclimate.org