METEOROLOGY. 



FROM THE SMITHSONIAN INSTITUTION. 



The following tables show, first, the tomperature and the amount of rain 

 falling iu the month of September, and then the comparison between the weather 

 for that month of this year and of the same month in five years previous. An 

 examination of the last column in the last table will show how this September 

 compares with the average of other years. 



Tahle sJiow'i7ig the Jiigltest and loivest range of the titer mometer, (vrith dates pfe- 

 Jixed,) the mean temperature, and amount of rain, (in inches and tenths,) 

 for Septonher, 1863, at the following places, as given bij the observers named' 

 Daihj observations ivere made at the hours of! a. m., and 2 and 9 2>- ^"• 



TEMPEEATURE AND RAIN OP SEPTEMBER, 1863. 



