Table sJioiving the average temperature and Jail of rain [in inches and 

 tenths) for the month of Septemher, for each of the years named, and for 

 the jice years first named collectively , with the average number of places in each 

 State in ichicJt the observations ivcre made. 



States and Territories. 



Averages, Averages. Averages^, ' Averages, Averages, 

 1855. ' 1856. ' 1857. 1858. 1859. 



Av. for Averages for 

 five years. I 1863. 



s , s s 



Maine , 6 



New Hampshire \ 4 



Vermont 4 



Massachusetts | 12 



Rhode Island j 1 



Connecticut 1 4 



New York i 18 



New Jersey | 4 



Pennsylvania 20 



Maryland .' j 5 



District of Columbia.. ' 1 



Kentucky 3 i 



Ohio 19 I 



Michigan 1 8 | 



Indiana i 5 i 



Illinois I 13 ! 



Missouri ' 2 I 



Wisconsin i 9 j 



Iowa i 8 j 



Minnesota j 3 ' 



Nebraska Territory . . I 2 I 



Kansas | 4 



California 2 



Deg. 

 56.4 

 59.2 

 58.1 

 61.1 

 61.9 

 62.4 

 62.2 

 65.4 

 66.7 

 67.8 



70. 1 I 2. 9 I 



74.5 

 69.7 

 65.0 

 71.5 

 69.9 

 73.1 

 63.0 

 67.1 

 60.4 



I 4. 7 

 5.4 

 16.0 

 I 5.7 

 '2.6 

 3.9 

 j4.5 

 4.7 



Deg. 

 58.8 

 60.1 

 58.3 

 61.4 

 62.2 

 6.3.4 

 61.9 

 65.1 

 64.1 

 66.7 

 67.4 

 64.8 



63. 3 I 2. 4 

 57. 8 I 3. 1 

 63. I I 0. 7 

 63. 3 1 3. 



65. G 

 58.4 

 61.5 

 49.9 



T>eg. 

 57.8 

 58.7 

 57.8 

 60.8 

 60.3 

 61.5 

 61.2 

 65.3 

 64.4 

 66.3 



69.1 

 65.4 

 61.6 

 67.7 

 66.4 

 70.0 

 61.8 

 65.2 

 60.0 

 75.3 

 70.6 

 65.1 



In. 

 1.6 

 1.3 



1.8 

 2.9 

 2.3 

 3.0 



2.8 

 2.7 

 1.7 

 ■1.4 

 I 1.6 

 I 2. 3 

 ;1.4 

 1 2. 6 

 11. 6 

 '2.2 

 1 2.1 

 13.8 

 ,2.4 

 3.0 

 2.5 



0.0 I 



Beg. 

 58.8 

 58.1 

 59.0 

 61.1 

 62.2 

 61.4 

 54.2 

 63.6 

 64.1 

 65.1 

 66.5 

 67.3 

 65.0 

 60.3 

 66.2 

 65.1 

 71.3 

 60.6 

 63.7 

 57.8 

 64.9 

 69.8 

 68.7 



In: 

 3.5 

 5.0 



Is 8 

 3.8 

 13.1 

 4.9 

 3.7 

 'l.5 

 ll.7 

 I3.6 

 |2k9 

 J2.8 

 il.6 

 J3. 1 

 12.9 

 13.7 

 3.9 

 !4. 1 

 |3.7| 

 I 3.6 I 

 !2.6 

 I 2. 5 

 !0.0 



Beg. 

 55.9 

 48.2 

 56.0 

 58.4 

 59.6 

 59.1 

 59.3 

 62.1 

 62.7 

 66.3 

 67.2 

 67.4 

 62.9 

 63.5 

 65.2 

 62.3 

 66.4 

 58.0 

 61.6 

 55.4 

 6:j.O 

 68.3 



\In. 



4.0 

 4.2 



[4.2 

 4.0 



[3.7 

 I 4.0 



1 4. 2 

 7.3 

 7.0 



1 8. 4 



Beg. 

 57.6 

 56.9 

 57.8 

 62.6 

 61.5 

 61 6 

 59.8 

 61.3 

 64.4 

 66.5 



3.4 

 3.3 

 5.4 

 3 

 4.4 

 3.0 

 2.9 

 3.6 

 2.1 

 (1.9 



io.o 



65.3 

 61.6 

 66.7 

 65.4 

 69.3 

 60.4 

 63.8 

 56.7 

 67.7 

 69.5 

 68.2 



Beg. 

 55.9 

 54.9 

 56.3 

 .58.5 I 



57.8 I 

 58.1 



56.9 1 

 60.0 1 

 62.4 • 

 61.1 



1 5. 8 67.8 

 3. 2 i 68. 6 



3.0 1 6.J.3 

 2.9i 



1 2. 9 

 ;3.6 

 !3.3 

 2.9 



[3.4 

 J3.8 

 3.3 

 3.4 

 2.4 

 2.2 

 0.0 



62.1 

 56. 5 

 64.5 

 63.2 

 69.0 

 58.3 

 62.2 

 59.1 

 65.6 

 72.6 



In. 

 3.68 

 2.34 

 3.42 

 2.38 

 1.74 

 2.31 

 2.31 

 1.30 

 2.52 



.3.09 



2.18 

 1.98 

 2.05 

 3.07 

 2.86 

 1.27 

 3.65 

 1.87 

 1.75 

 0.55 



THE FEOSTS OF AUGUST 1863. 



The most prominent feature iu the meteorology of August was one of those 

 marked depressions of temperature wliich occur at all seasons and in every year, and 

 which sometimes prevail over the whole of the United States, east of the Eocky 

 mountains, and even beyond, both north and south. These changes are 

 interesting alike to the agriculturist and to the meteorologist, sometimes awaken- 

 ing the anxiety of the former for the safety of his crops, and always furnishing 

 to the latter fresh materials for the study of those general laws wliich control 

 the movements and changes of the atmosphere. The depression during the latter 

 part of August, from its visible effect iu the form of frost, has attracted much 

 public notice ; but changes similar in kind, though often less distinctly marked, 

 so far fiom being unusual, are exhibited in the meteorological i-ecords of every 

 season. It may be interesting to the observers to see grouped together a few of 

 the principal facts exhibiting the beginning and progress of this depression of 

 temperature. To investigate it fully, in connexion with the winds, moisture, 

 and barometric changes, would occupy more space and time than these monthly 

 publications allow, and would require registers from further west and north than 

 have been received, and also the observations for the early part of September. 



