xXXX 
Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
in the month of April 1871. 
Solar Radiation, Weather, &e. 
21 
22 
23 
24 
26 
OA era Dds oa Nl aaa Cee eed kt a ae re 
\i Cirri,—i Strati, 71 Cumuli, \i Cirro-strati, »_i Cumulo-strati, 1 Nimbi, 
Max. Solar 
radiation. 
i 
~~ 
° 
142.0 
137.6 
Rain Guage 
13 ft. above 
= 
=] 
ee, 6D 
=e 
is") 
v2) 
0.47 |S by W& SSW 
0.12 |EN E,S &S by W 
1.46 
140.8 
147.0 
150.2 
9) 145.5 
144.8 
Ground. - 
WIND. 
Prevailing 
direction. 
Daily 
Velocity. 
General aspect of the Sky. 
SE&S 
SbyW&SS WwW 
Variable 
SSWe&S 
SW &Sby W 
S&SSE 
0.40 |SSW,SWéS 
SSW 
Sby W.SSW&S 
SSW&S 
S &Sby W 
— 
Max 
=" Pressure 
1.8 
4.0 
4.4. 
4.2 
| Miles } 
92.4 
91.2 
164.7 
195.3 
261.0 
200.9 
65.0 
218.9 
165.3 
Bto a. m., \ito 94. M., 71 
to 4Pp.M., \ito 7P.M., B 
afterwards. 
Bto 6 a. M., 1 afterwards 
T&D at 32 vp. mu. 
Bto7 a.m. “ito 5pr.m.O 
afterwards. Brisk wind from 
43 to 53 p. mM. T from 5 to 8 
ep. M. L from 6 to 10 p. m. R. 
from 42 to 10 P. um. 
Sto4a.m.\i tol p.m., 
Sto 4 p.m., O afterwards. 
Brisk wind from 10to 12 a. m. 
T&L from 5? to 8 vp. Mm. Light 
Rat 6,8 &1ll p.m. 
O to 64a. um. Wito 10 4. M., 
Oto2~r.m., Wito7 p.m.,O 
afterwards. Briskwind at 11 
A. M., 83 & 103 vp. m., T after 
intervals Lat 3 a.m. & from 
7 to9 vp. m., R from 92 a. M., 
to2 & 8} to 10 Pp. mM. 
Sto5a.m.,\.itol0a.m., 
“1 afterwards. Lon S W at 
92 & 11 P.M. 
S tol0Oa. m., “i & \Wi af- 
terwards. D at midnight. 
Nito3a.m., \.ito8P. M., 
O afterwards. L from 9 to 1L 
p.M., 1 & R from 10 to 11 
P. M. ; 
Oto 8a. m., clouds of dif- 
ferent kinds afterwards. T at 
midnight L at midnight & 8 
jp. Mm. R from midnight to 3 
ke SNS 
B to7a.M.. “ito8 Pp. My 
\i afterwards. L on Eat 7 
P. M. 
\i to 11 a. M., “ito 6 P.M., 
B afterwards 
B to3 a.M., “ito 3 p.m., B 
afterwards. 
B to2p.m., ito 8P. Mey 
B afterwards. 
\ni Cirro-cumuli, B clear, 8 stratoni, O overcast, T thunder, L lightning, 
R rain, D drizzle. 
