40 University of CaUfornia Publications in Botany [Vol.9 



Table 5. — Depth of Snow at the Canadian Station of Summit, Placer County, 



7017 Feet. 



(Derived from data covering five years, during whicli time the mean annual 

 snow-fall was 90.3% of the normal of 44 years. Data in inches.) 



150 



140 



130 



120 



110 



100 



90 



70 



40 



30 



20 



Sept. Oct. Nov. Dec. Jan. Feb. Mar. April May June July Aug. 



