Meteorological Observa lions. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of July 1869. 



Latitude 22° 33' 1" North. Longitude 88° 20' 84* East. 



Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 



Daily Means, &c. of the Observations and of the Hygrometrical elements 

 dependent thereon. 



Date. 





Range of the Barometer 

 during the day. 



Max. 



Min. 



Diff. 





Eange of the Temper; 

 ture during the day. 



Max. Min. Diff. 



Inches. 



Inches. 



Inches. 



29.556 



29.610 



29.499 



.541 



.595 



.469 



.502 



.549 



.448 



.448 



.492 



.383 



.421 



.470 



.370 



.452 



.493 



.409 



.461 



.527 



.399 



.563 



.648 



.490 



.676 



.744 



.618 



.646 



.710 



.565 



.563 



.617 



.487 



.554 



.603 



.510 



.573 



.610 



.522 



.574 



.604 



.525 



.498 



.564 



.416 



.456 



.502 



.387 



.468 



.509 



.408 



.431 



.481 



.358 



.485 



.564 



.429 



.536 



.595 



.475 



.555 



.600 



.491 



.567 



.613 



.509 



.561 



.604 



.495 



.549 



.599 



.473 



.561 



.628 



.506 



.626 



.672 



.574 



.610 



.657 



.548 



.607 



.655 



.530 



.632 



.672 



.578 



.647 



.700 



.585 



.654 



.685 



.603 



0.111 

 .126 

 .101 

 .109 

 .100 

 .084 

 .128 

 .158 

 .126 

 .145 

 .130 

 .093 

 .088 

 .079 

 .148 

 .115 

 .101 

 .123 

 .135 

 .120 

 .109 

 .104 

 .109 

 .126 

 .122 

 .098 

 .109 

 .125 

 .094 

 .115 



85.0 

 86.5 

 84.7 

 85.0 

 84.6 

 83.8 

 82.4 

 82.1 

 84.1 

 85.0 

 85.1 

 84.7 

 82.7 

 81.7 

 83.4 

 82.4 

 83.2 

 83.2 

 82.9 

 80.9 

 79.9 

 83.5 

 82.9 

 82.6 

 83.3 

 84.6 

 86.3 

 87.2 

 87.0 

 85.8 

 81.0 











89.5 



81.2 



92.0 



81.4 



90.5 



80.8 



89.8 



81.0 



89.1 



82.0 



89.2 



81.5 



87.5 



78.4 



86.0 



79.5 



89.0 



80.3 



90.0 



81.5 



89.6 



81.7 



89.2 



81.0 



86.5 



80.2 



86.0 



79.5 



87.5 



78.5 



85.4 



79.5 



87.8 



80.5 



88.0 



81.0 



86.7 



80.0 



84.7 



79.0 



83.5 



77.5 



87.7 



80.0 



88.0 



80.0 



87.4 



79.8 



88.0 



80-0 



89.8 



79.5 



91.6 



82.0 



92.7 



83.0 



92.6 



82.7 



88.7 



83.0 



87.6 



82.4 



8.3 

 10.6 



9.7 

 8.8 

 7.1 

 7.7 

 9.1 

 6.5 

 8.7 

 8.5 

 7.9 

 8.2 

 6.3 

 6.5 

 9.0 

 5.9 

 7.3 

 7.0 

 6.7 

 5.7 

 6.0 

 7.7 

 8.0 

 7.6 

 8.0 

 10.3 

 9.6 

 9.7 

 9.9 

 5.7 

 5.2 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 

 Thermometer Means are derived, from the hourly observations, made during 

 the day. 



