C 26 ] 
Height of Barometer,* 
corrected. 
Height of Ther- 
mometer without. 
Degrees of Moisture by 
Daniell’s Hygrometer. 
Rain.t 
1823. 
Greatest 
height. 
Least 
height. 
Mean 
height. 
Greatest 
height. 
Least 
height. 
Mean 
height. 
Greatest 
height. 
Least 
height. 
Mean 
height. 
Inches. 
Inches. 
Inches. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Deg. 
Inches. 
January 
30,181 
29,047 
29,673 
47 
22 
34,2 
IOOO 
575 
778 
0,605 
February 
30,204 
28,586 
29,438 
50 
31 
41,0 
IOOO 
614 
813 
1,981 
March 
30,423 
29,060 
29,803 
55 
32 
43,6 
IOOO 
517 
767 
0,937 
April 
30,435 
29,018 
29,831 
64 
39 
0° 
97 1 
377 
694 
1,043 
May 
30,400 
29,559 
29,903 
73 
46 
60,4 
901 
OO 
OO 
O 
6l I 
0,542 
June 
30,296 
29,238 
29,883 
73 
50 
61,8 
801 
3 6 7 
573 
0,976 
July 
30,057 
29,472 
29,802 
72 
5 i 
64,4 
937 
424 
6 39 
1,151 
August 
30,195 
29,464 
29,876 
75 
59 
65,4 
912 
497 
665 
1,049 
September 
30 , 35 2 
29,289 
29,967 
7 * 
50 
60,0 
850 
499 
682 
0,798 
October 
30,452 
29,698 
29,688 
59 
40 
5°,7 
966 
00 
799 
2,512 
November 
30,625 
29,423 
29 , 1 *3 
54 
33 
45 , 6 
1000 
722 
864 
GI 59 
December 
30,517 
29,138 
30,761 
52 
3 ° 
41,8 
970 
5 68 
862 
1,104 
Whole year 
29,811 
5 i ,4 
729 
‘ 3,857 
* The quicksilver in the bason of the barometer is 100 feet above the level 
of low water spring tides at Somerset-place. 
f The Rain Gage is 114 feet above the same level, and 75 feet above 
the surrounding ground. 
