130 



Stations. 



F 

 p 



c 



F 



o 

 B 

 °S. 



r*- 

 B 



S^ 

 CD 



o -• 



p 

 cr 



o 



CD 



B 



> 



a 3 

 =•- 



!.= 

 II 



ffl o 

 en ~> 



Fort Reading 

 Red Bluff -.. 



Tehama 



Chico 



Marysville .. 

 Sacramento.. 



Stockton 



Modesto 



Merced 



Borden* 



Tulare 



Delano 



Sumner 



40° 30' 

 40° 10' 

 40° 



39° 40' 

 39° 21' 

 38° 34' 



37° 57' 



37° 40' 

 37° 20' 



122° 

 122° 

 ]22° 

 121° 

 121° 

 121° 



05' 

 15' 

 08' 

 50' 

 30' 

 28' 



121° 17' 



30° 

 36° 

 35° 



55' 

 14' 

 43' 



35° 23' 



120° 

 120° 

 120° 

 119° 

 119° 

 118° 



55' 

 26' 



18' 



12' 



58' 



674 feet. 

 307 feet. 

 222 feet. 

 193 feet. 



67 feet. 



30 feet. 



23 feet. 



91 feet. 

 171 feet. 



274 feet. 

 282 feet. 

 313 feet. 

 415 feet. 



1852- 

 1872. 

 1870- 

 1871- 

 1871- 

 1849- 

 1 854- 

 1871- 

 1871- 

 1871- 

 1875- 

 1875- 

 1875- 

 1875- 



1856 



1877 



1877 



1877 



1877 



1877 



1857 } 



1877 j 



1877 



1877 



1877 



1877 



1877 



1S77 



29.11 

 18.41 



16.30 

 21.99 

 17.46 



18.75 



13.23 



9.60 

 9.36 

 3.32 

 4.83 

 4.03 

 3.92 



*Fort Miller, twenty-five miles northeast from Borden, with a greater elevation of one hundred and twenty- 

 eight feet, from a record of nearly seven years, receives an annual average of eighteen and ninety-nine one- 

 huudredths inches. 



THE SECOND PROPOSITION, 



That the mountains should receive more rain than the valleys, is 

 also confirmed by the following exhibit, wherein have been selected 

 successive stations on a line as nearly as possible east from San Fran- 

 cisco, thereby avoiding any increase of precipitation due to increase 

 of latitude. The law as stated bj^ Guyot, deduced from experiment 

 and observation, is, that an elevation of three hundred and fifty feet 

 is sufficient to diminish the mean temperature of a given place by 

 one degree of Fahrenheit; that is to say, the effect is the same as if 

 the place were situated seventy miles further north. Commencing 

 near the center of the Sacramento Valley, at the lowest elevation 

 above the sea: 



Stations. 



F 

 p 



b 



El 



F 

 o 



s 



°S. 



et- 



B 

 B- 

 o 



P B* 

 en- 



il 



! < 



I CB 



I c-»- 

 ' B" 

 I CD 



ct- 

 O 



B 



> 



23 

 E l 



Is 



Stockton 



Sacramento 



Rocklin 



Auburn 



Colfax 



Alta 



Emigrant Gap 



Cisco 



Summit 



121° 17' 



121° 28' 

 121° 12' 

 121° 02' 

 120° 55' 

 120° 

 120° 

 120° 28' 

 120° 15' 



52' 

 35' 



23 feet. 



30 feet. 

 249 feet. 

 1,363 feet. 

 2,421 feet. 

 3,612 feet. 

 5,230 feet. 

 5,939 feet. 

 7.017 feet. 



1854- 

 1871- 

 1849- 

 1S70- 

 1870- 

 1870- 

 1870- 

 1870- 

 1870- 

 1S70- 



1857 

 1877 

 1877 

 1877 

 is; 7 

 1877 

 1877 

 1877 

 1877 

 1877 



13.23 



18.75 



1 7.30 

 29.79 

 42.72 

 47.32 

 51.49 

 55.32 

 58.48 



