return_period hist ccsm3 cgcm3.1_t47 cnrm_cm3 echam5 echo_g hadcm ipsl_cm4 miroc_3.2 pcm1 20yr 11.76 11.61 13.49 13.38 12.33 10.30 12.32 13.14 14.21 12.10 50yr 14.28 14.28 16.27 16.49 15.25 12.52 15.17 15.76 17.41 14.70 100yr 16.34 16.50 18.52 19.15 17.76 14.34 17.56 17.88 20.11 16.85