40 



University of California Puhlications 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 •which 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 



80 



70 



60 



50 



40 . 



30 



20 



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



