422 



TRANSACTIONS OF THE 



Rainfall at San Bernardino, San Bernardino County. 



to 



The rainfall at San Bernardino was furnished by Mr. Sidney P. Waite, 

 of the San Bernardino Water Company, and extends from July, 1870, to 

 March 1, 1887, and is as follows: 



* Twelve inches snow January 12, 1882. 



t Total for season of 1886-87, from July to March 1, 1887. 



Summary of the Weather at Riverside, San Bernardino County,. 



California, for the Year 1887. 



Month. 



Mean 

 Temperature. 



Highest 

 Temperature. 



Lowest 

 Temperature. 



Rainfall, 

 in Inches. 



Prevailing 



Wind 

 Direction. 



January _. 



February 



March 



April 



May - 



June 



July 



August 



September 



October 



November 



December 



Yearly average 



51.4 

 49.7 

 69.0 

 64.1 

 67.4 

 71.3 

 76.2 

 73.6 

 73.3 

 66.5 

 57.9 

 50.1 



63.5 



78.0 

 84.0 

 88.0 

 89.5 

 90.5 

 99.0 

 105.0 

 99.5 

 98.0 

 94.0 

 85.0 

 72.0 



105.0 



25.5 

 29.0 

 39.0 

 43.0 

 44.0 

 47.0 

 50.0 

 51.0 

 48.0 

 42.0 

 33.0 

 29.5 



25.5 



.13 



2.85 

 .02 



1.71 

 .17 

 .00 

 .00 

 .00 

 .00 

 .86 

 .92 



1.50 



8.16 



-_-N. 

 -S.W. 

 -S.W. 



-S.W. 

 -S.W. 

 -S.W. 

 -8.W. 

 -S.W. 

 . S.W- 

 -S.W. 

 .S.W. 

 -S.W. 



S.W. 



