-I A I 1 \«;i;i« I I II i; \l. SOCIETY. 



373 



ing temperature in the Sacramento Valley, and never for more than an 

 hour or two at a time. 



Map No. 3 — Minimum Temperature. 



Note. — Localities frequently referred to in these tables are designated by numbers in 

 circles, as follows: 1, Redding; 2, Red Bluff; 3, Chico (Oroville is situated southeast of 

 Chico, in the same county); 4, Sacramento: 5, Fresno; 6, SanJos€; 7, Los Angeles; 8, Riv- 

 erside; 9, San Diego. 



Maximum Temperature. 



Map No. 4 exhibits the distribution of the lines of maximum tempera- 

 ture. San Diego, Los Angeles, Stockton, Sacramento, Auburn, and Colfax 

 are situated on this map within the same isothermal inclosure, marked 

 100° to 105°. Marysville, Chico, and Red Bluff come within an ellipse 

 marked 105° to 110°, as does also nearly the whole of the San Joaquin 

 Valley from Lathrop south, Riverside also bordering on this belt. It is a 

 curious fact, as shown by the Signal Service records, that Sacramento, dur- 

 ing the Summer months, is the coolest city of the interior, the temperature 

 increasing in both directions — north and south. But the reader must again 

 bear in mind that the figures just given are for the highest recorded ex- 



