Monroe County 



425 



In the vicinity of Rochester are several extensive nurseries which 

 produce both fruit and ornamental trees. 



Monroe is one of the leading counties in raising swine, ranking 

 second in the state. 



Manufacturing is very important in the city of Rochester 

 (p. 431). 



CLIMATE AND RAINFALL 



Records here given for Monroe County were taken at Rochester 

 at an elevation of about 500 feet. 



The average dates for the last killing frost in spring and the 

 first in fall are April 30 and October 18, respectively, giving a 

 growing season of 170 days. 



The following tables, compiled from observations covering the 

 period of 1872. to 1914, show both normal and extreme tempera- 

 tures and precipitation. The snowfall data cover the period from 

 1885 to 1914. 



Record op Temperature and Precipitation at Rochester 



January. . 

 February . 



March 



April 



May 



June 



July 



August . . . 

 September 

 October. . . 

 November 

 December 



Year 



Temperature 



Aver- 

 age 



24.7 

 23.5 



31 6 

 44.3 

 56.8 

 66.1 

 70.9 

 68.8 

 62.7 

 50.8 

 38.8 

 28.8 



47.3 



Highest 

 maximum 



Degrees Year 



71 

 70 

 86 

 90 

 93 

 95 

 101 

 97 

 98 

 87 

 75 

 70 



101 



1906 



1906 



1905 



1885 



1895* 



1901* 



1911 



1893 



1881 



1900* 



1909 



1875 



1911 



Lowest 

 minimum 



Degrees Year 



—14 



—12 



—7 



11 



27 



36 



45 



43 



34 



19 



1 



—10 



—14 



1904 

 1875 



1885^ 



1879 



1911 



1879 



1898 



1884 



1896* 



1879 



1875 



1884 



1904 



Precipitation 



Average 

 inches 



3.08 

 2.70 

 2.98 

 2.47 



2.79 

 33.69 



Amount in 24 

 hours 



Greatest 



record, 



inches 



2.11 

 2.20 

 2.98 

 1.80 

 2.58 

 2.28 

 3.57 

 4.19 

 2.12 

 3.77 

 2.26 

 2.20 



4.19 



Year 



1878 

 1900 

 1900 

 1886 

 1893 

 1872 

 1897 

 1893 

 1911 

 1873 

 1890 

 1901 



1893 



Snow, 

 average 

 depth 



in inches 



19.8 



20.5 



13.2 



5.3 



0.3 



0.4 



7.1 

 16.5 



1 



* Also earlier years. 



TOPOGRAPHY AND NATURAL CHARACTERISTICS 



The surface is generally level or slightly undulating, with a 



moderate inclination toward the lake. The shore of the lake is 



low except in the east and the extreme west, where it rises in 



bluffs ten to thirty feet in height. The surface gradually slopes 



