http://cdec.water.ca.gov/cdecapp/snowapp/swcchart.action http://cdec.water.ca.gov/cgi-progs/snow/PAGE6 ftp://ftp.wcc.nrcs.usda.gov/data/water/wcs/gis/maps/ca_swepctnormal.pdf http://www.wrcc.dri.edu/cgi-bin/sno_narr3_pl http://cdec.water.ca.gov/cgi-progs/snow/PLOT_SWC