Sign of observed California temperature trends depends on data set homogenization: implications for weighting and downscaling

Alexander Benedict Charn1, Travis Allen O'Brien2, Mark Daniel Risser3, Julia Longmate4 and Daniel Feldman3, (1)Indiana University Bloomington, Bloomington, IN, United States, (2)Lawrence Berkeley National Lab, Climate & Ecosystem Sciences Division, Berkeley, CA, United States, (3)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (4)Oakland, CA, United States