HISTORY OP CALIFORNIA. 



141 



Lawson, U. S. Army, with thermometrical observa 

 tions, taken at the following places in California, 

 viz : At San Francisco, by Assistant-Surgeon W. C. 

 Parker, for six: months, embracing the last quarter of 

 1847 and the first quarter of 1848. The monthly 

 mean temperature was as follows : October, 57; 

 November, 49; December, 50; January, 49; 

 February, 50; March, 51. 



" At Monterey, in latitude 36 38' north and longi 

 tude 121 west, on the coast, about one degree and a 

 half south of San Francisco, by Assistant-Surgeon 

 W. S. King, for seven months, from May to Novem 

 ber inclusive. The monthly mean temperature was : 

 May, 56; June, 59; July, 62; August, 59; Sep 

 tember, 58; October, 60; November, 56. 



" At Los Angeles, latitude 34 7', longitude west 

 118 7', by Assistant-Surgeon John S. Griffin, for 

 ten months, from June, 1847, to March, 1848, inclu 

 sive. The monthly mean temperature was : June, 

 73; July, 74; August, 75; September, 75; 

 October, 69; November, 59; December, 60; 

 January, 58; February, 55; March, 58. This 

 place is about forty miles from the coast. 



" At San Diego, latitude 32 45', longitude west 

 117 11', by Assistant-Surgeon J. D. Summers, for 

 the following three months of 1849, viz : July, 

 monthly mean temperature, 73; August 75; Sep 

 tember, 70. 



" At Suttersville, on the Sacramento River, latitude 

 38 32' north, longitude west 121 34', by Assistant- 

 Surgeon R. Murray, for the following months of 1849: 

 July, monthly mean temperature, 73; August, 70; 

 September, 65; October, 65. 



" These observations show a remarkably high tempe- 



