Barometric Observations. 75 
ANNUAL RESULTS. 
; Barometer. Inches. 
Highest observation, January 23d... = .. Wind N, 30-880 
Lowest do. (continuing 14 hours) Dec. 26th. S. 27:380 
Range of the mercury Lo cs ob eA oh Gan UU 
Mean annual barometrical pressure .. .. +. «+ 29°987 
Greatest range of the mercury in December .. «2 —2°820 
Least do. HG.) sie Mie es) Sel Neea sO eu 
Mean annual range of do... «. «2 oe oe 1-606 
Spaces described by do... 2. «. «+ «2 «+ 97°600 
Total number of changes in the year Bell) vale rah GUEeRRD 
Srx’s Thermometer. 
Greatest observation, August 23d. .. WindS.E. 78-000 
Least do. January 2d and 3d. Ni fi ap 
and February 26th. \ EY cine 
Range of the mercury in the thermometer sel, wa) 08000 
Mean annual temperature ST pais) laiots dees 0 ty Ad aOO 
Greatest range in August 2 ah Tt SOS ae ee Pe OOO 
Least do. December dal 20 PRO ges oe BOOO 
Mean annual do. os LOS Oras Wal 006" sete, tk TEA TG 
Winds. Days. 
North and East ..  .. ahd F Kat com Ue 
North-East and South-East 
seh die aS 8 Vn 
South and West .. .. « ete? Widen iguane 
F a ht oe LOOT) 
South-West and North-West .. eo. gam ace SECU 
WEHA DLE Wor fey 0%, tinh ah cat abets Pumps sete -aUOue 
Rain, ec. Inches. 
Greatest quantity in December Se ee ee iene a One 
Least do. Febtaary Sees ak 268 
Total amount for the year... .. «- «¢ «eo «+ 28960 
Observations. 
Pressure.—The most prominent features which present them-, 
selves, and the most worthy of remark, are, the great elevation 
of the Barometer in January, and its unprecedented depressions 
in December, the greatest of which, and the minimum for the 
year, occurred near midnight on the 24th, and continued until 
2p.m. the 25th, attended with a most violent gale from the 
South; thunder and lightning, and torrents of rain amounting 
with what had fallen the previous night to nearly three inches, 
On the 29th, the Barometer again fell to 27:73, after which it 
rose rapidly. From the 16th to the 3lst it never attained 
29-00, though the changes in its direction were almost daily, and 
frequently considerable. 
Temperature.—The mean annual temperature, which , one 
ey degree 
