82 METEOROLOGICAL JOURNAL 
TABLES concluded. 
Years. 
Medium temperature, 
per ann.^ at 9 a. m., 
taking the extremes. 
Medium temperature, 
per ann.^ at 11 p. m., 
taking the extremes. 
Medium pressure, 
per ann.^ at noonday, 
taking the extremes. 
Years. 
, Medium temperature, 
per anjus at 9 a. m., 
adding the columns. 
g i 1 
2 ^ S 
l:s 
i; a, c3 
434 
42 1 
444 
424 
434 
424 
434 
414 
434 
444 
43| 
43 
I* C3 P 
^ § 1 
29>| 
29,83 
29,6-4 
29,84 
29,84 
29,84 
29,84 
29,6| 
29,74 
29,74 
29,74 
29,84 
1809 
1810 
1811 
1812 
1813 
1814 
1815 
1816 
1817 
1818 
1819 
1820 
o 
45 
47 
48 
454 
47 
46 
484 
43| 
47 
484 
47| 
48 
434 
434 
444 
424 
42| 
41| 
434 
40 
434 
454 
434 
444 
29,94 
29,8| 
29,84 
29,84 
29,84 
29,8| 
29,8 
29,8 
29,7 
29,8 
29,7 
29,84 
1809 
1810 
1811 
1812 
1813 
1814 
1815 
1816 
1817 
1 1818 
1819 
1820 
474 
464 
47| 
45 
474 
464 
46| 
444 
464 
48 
46f 
474 
Average for 
the 12 year' 
^ 474 
422 
29,8 
Average fo 
the 12 year 
46 ^ 6 
1 ^Hl 
29,84 
The lowest fall of the barometer, here, during the twelve 
years, was on the 5th of March 1818, at noonday ;^ — the 
thermometer, at that hour, stood at 4^° ; very high wind ; 
Inches. Lines. 
- — the barometer at . . 28 1 
The highest rise of the barometer was on the 
8th January 1820, . .31 0 
Hence the gTeatest range of the barometer for 
the twelve years, ......... 2 9^ 
The warmest day during the twelve years was the 12th 
of June 1818, when the thermometer stood at 844°. The 
coldest day during the twelve years was the 18th January 
1820, when the thermometer fell, before sunrise, to zero, 
