1. Program for Climate Model Diagnosis and Intercomparison, Lawrence Livermore National Laboratory; Livermore California USA
2. Remote Sensing Systems; Santa Rosa California USA
3. National Center for Atmospheric Research; Boulder Colorado USA
4. Department of Atmospheric and Oceanic Sciences; University of Colorado at Boulder; Boulder Colorado USA
5. Canadian Centre for Climate Modelling and Analysis, Environment Canada; Victoria, British Columbia Canada
6. National Climatic Data Center, National Oceanic and Atmospheric Administration; Asheville North Carolina USA
7. Geophysical Fluid Dynamics Laboratory, National Oceanic and Atmospheric Administration; Princeton New Jersey USA
8. Met Office Hadley Centre; Exeter UK
9. Lawrence Berkeley National Laboratory; Berkeley California USA