HI 



a: 

 Z) 



\- 



w 

 O 



O 



00 



28 30 32 

 WEEK 



Figure IS. — Soil moisture at the station on the southwest exposure at 7,100 feet 

 elevation: 5-year average and range of weekly readings at the 100-cm. depth. 



Table 



12. 



--Average 



monthly 



soil moisture 



at the 



station 



on the south- 







west exposure at 



the 



7 , 100-foot elevation 





Year 



Depth \ 



May 



June 



July 



: '^"g- : 



Sept . 



'. Oct. .' 



Wilting point' 















Percent by weight- - - 





1964 



20 



cm. 



26 



30 



10 



25 



5 



5 



26 





50 



cm . 



24 



26 



13 



5 



5 



5 



18 





100 



cm. 



24 



28 



23 



14 



11 



11 



18 



196S 



20 



cm . 



29 



28 



21 



10 



15 



24 



26 





50 



cm. 



25 



27 



24 



9 



9 



21 



18 





100 



cm. 



22 



26 



27 



18 



14 



19 



18 



1966 



20 



cm . 



32 



28 



10 



5 



12 



14 



26 





50 



cm . 



27 



27 



13 



5 



5 



5 



18 





100 



cm . 



26 



25 



22 



13 



11 



12 



18 



1967 



20 



cm . 



27 



32 



23 



9 



5 



14 



26 





50 



cm . 



26 



27 



23 



7 



5 



5 



18 





100 



cm. 



16 



27 



26 



16 



11 



10 



18 



1968 



20 



cm . 



29 



32 



19 



U 



17 



23 



26 





50 



cm. 



27 



30 



18 



7 



7 



12 



18 





100 



cm . 



27 



31 



23 



14 



14 



14 



18 



5-year 



average 



















20 



cm. 



29 



30 



17 



8 



11 



16 



26 





50 



cm . 



26 



27 



18 



7 



6 



10 



18 





100 



cm . 



23 



27 



24 



15 



12 



13 



18 



'Determined by pressure membrane at 15-atm. 



-Electrical resistance in excess of 1 million ohms, arbitrarily assigned 

 5 percent soil moisture. 



22 



