Ixxvi Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
im the month of April, 1868. 
Hourly Means, &e. of the Observations and of the Hygrometrical elements 
dependent thereon.—( Continued). 
2 “5 3 EB eS TS ee ee aaa, 
A Si erie os) ee el ee see 
a pa 2 ey) Ese a2 
CP) o (ie) ap op . 2 
= 5 é 3 hl d deeb | oe) Soe 
Hour. 8859 q | QA 2 oe eS mes = — 2 ° 5 
See ie Bl | Sele 2. ae el SS ea 
Be oe |) SEO} ee || cea |e Sele cree eres 
Sg > 2 >o | €5 | 288 Siselaee 3 
S Bees a = = a = 
oct | = oh Ere | 
| 
0 0 0 ro) Inches. |Troy grs.|Troy grs. 
Mid- is ic i 2 2 
sane, | eee 3.9 72.7 6.6 | 0.792 8.56 2.03 |. 0.81 
ill 75A 3.9 73.47 6.6 792 56 03 S81 
2 75.4 3.4 73.0 5.8 Sol 65 1.79 83 
3 753 3.2 73.1 5.4 803 70 .65 84 
4, 75.8 POM 7S 4.9 822 89 52 85 
5 75.5 PEE NG 4.6 817 84 41 86 
6 95.7 2.6 73.9 4.4, 824, 94 34 1ST, 
af 76.3 2.9 74.3 | 4.9 835 9.03 53 86 
8 "7.9 4.5 74.7 Ten 846 08 2.53 |) 78 
9 ry 6.5 Haya |, aL 830 8.87 3.74 70 
10 79.6 8.1 ee | DBO 846 99 4.57 .66 
il 80.2 9.8 743 | 1507 835 83 5.67 61 
Noon.{ 80.5 | 11.0 73.9 | 17.6 824. 69 6.46 57 
iL 80.0 | 12.7 72.4 | 20.8 785 26 7.42, 53 
2 SOM) ENO 72.3 | 20.8 783 22 64 52 
3 Stoel 72.4 | 20.6 785 24 57 52 
A OS | 129 72.0 | 19.5 776 16 6.99 bd 
5 TSC \eLOr7, Desmalal 783 29 5.96 5S 
6 774, 8.7 71.3 | 14.8 758 08 4.87 62 
7 76.6 7.5 71.3 | 12.8 758 ll 10 .66 
8 76.2 6.3 Paes | NOL 771 26 3.38 aa 
9 76.2 DOME Z2Ie 9.5 783 41 2.99 74 
10 75.7 5.2 721 | 88 778 38 rie .76 
11 75.5 4,4. OAM 7A 785 46 32 79 
Allthe Hygrometrical elements are computed by the Greenwich Constants. 
From the Ist January, 1868, the Greenwich New Factors have been used 
for Computing Dew-point. 
