ABSTRACT 



OF METEOEOLOGICAL OBSEEVATIONS FOR 1875. 



* Mean height of barometer (at 32° F.) in inches : - - - 28.998 



Mean tenijieratnre in open air 43°. 06 



Mean maximum temperature 54°. 60 



Mean minimum temperature t 29°. 58 



Eange of temperature during the year 127° 



Percentage of cloudiness 56 



Eelative humidity 79 



Eain and melted snow in inches 28.237 



Depth of snow fall, in inches - 63^ 



Ozone — Day observation 4. 53 



'•' Nidit observation 5.04 



^£3* 



* The barometric pressure was measured by Pike's Barometer till the close of 1874. By comparison 

 ■with Green's Standard Barometer this was found to give an error of .12 inch too low. This sum 

 should be added to the observations prior to 1875 to give correct results. 



