120 



Second Memoir with reference to 



[No. 98. 



Meteorological Observations at the Surveyor General's Office, 



Calcutta. 

 Thursday, the 19th September, 1839. 



Time. 



Sunrise 



At 9h. 50m. . . 

 Apparent noon 

 At 2h. 4Um. . . 

 At 4 p.m. 

 Sunset. 

 Rain. 



Bar. 



Inches. 



29-600 

 •630 

 •616 

 •512 

 •480 

 •478 



Mer. 



80.5 

 85.6 

 87.9 

 86.4 

 85.5 

 84.2 



Air. 



80.0 

 87.9 

 90.4 

 90.0 



88.9 

 85.8 



Evpg. 



79.8 

 84.9 

 84.9 

 85.0 

 85.0 

 83.3 



Wind. 



E. 

 E. 



NE. 

 N. 

 W. 

 E. 



Aspect of the Sky. 



Generally clear. 



Cumuli, or stacked clouds. 



Cumuli. 



Very cloudy. 



Cloudy. 



To the E. Nimbi, or rain cloud? 



Inches. 



N.B. — The rain which fell on the 18th, was noted on the 19th at noon. 



20th September, 1839. 



Time. 



Bar. 



29-430 



Mer. 



Air. 



Evpg. 

 Sur. 



Wind. 



Sunrise. 



79.0 



77.0 



77.0 



NE. 



At 9h. 50m. . . 



•446 



80.5 



77.9 



77.1 



N. 



Apparent noon. 



•375 



80.0 



78.1 



77.5 



NE. 



At 2h. 40m. . . 



•333 



80.1 



78.0 



77.1 



N. 



At 4 p.m. 



•333 



79.8 



77.6 



76.9 



NW. 



Sutset. 



•339 



79.0 



77.0 



76.6 



NW. 



Rain. .... 



.... 



... 



.... 



.... 



.... 



Aspect of the Sky. 



Overcast, rainy, and squally . 

 Overcast, squally & smart rain. 

 Drizzly and squally. 

 Overcast, rain, and squally. 

 Blowg.a gale withincessant rain 



5 Blowing a gale (but rather 



^moderate,) 



Inches 2.62 of the 19ths. 



21st September, 1839. 



Time. 



Bar. 



Mer. 



Air. 



Evpg. 

 Sur* 



Wind. 



Aspect of the Sky. 













Very 





Sunrise. 



29-426 



78.5 



76.0 



76.0 



H ^ h 



Cloudy. 



At 9h. 50m. . . 



•491 



80.7 



81.2 



78.5 



Ditto 



Cloudy. 



Apparent noon. 



•499 



80.7 



79.5 



77.5 



High 

 SW. 



Raining. 



At2h. 40m. .. 



490 



80.5 



79.9 



77.0 



sw. 



Cloudy. 



At 4 p.m. 



•486 



80.5 



79.5 



77.0 



SW. 



Cloudy. 



Sunset. 



•496 



80.0 



78.8 



76.5 



sw. 



Cirro strati, or vein clouds. 



Rain. 







.... 





— 



Inches 4.32 of the 20ths. 



We now arrive at the more inland stations, and as the tempest 

 seems to have travelled from the mouths of the Megna, inland, 

 towards Rungpore, I have, to enable the reader better to trace it, 

 begun at Burrisaul, in lat. 22° 35', long. 90° 22', near the spot 



