96 



RESOURCES OF CALIFORNIA. 



other climates, depend on an excess of water in the air, and 

 on sudden changes of temperature. The moisture does not 

 condense on your windows, nor on the plastered walls ; salt 

 does not liquify, nor even exhibit the slightest dampness ; and 

 the housewife has no trouble in drying her clothes, provided it 

 should not rain. In fact, the atmosphere of San Francisco, in 

 spite of sea winds and mists, is a dry atmosphere." 



71. January and July '. The following table shows the 

 mean temperature of January and July, and the difference be- 

 tween them in certain prominent points in California, and other 

 countries and States. 



