Meteorological Observations. 



IX 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General' s Office, Calcutta, 

 in the month of July, 1859. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.11 



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

 dependent thereon. 





O QJ 









:£ C 











aj> 43 « 



Range 



of the Bar 



ometer 



(£j "5 



Range of the Tem 



pera- 





[f C l^ 



du 



•ing the day. 



7,2 



ture during the 



day. 





03 — r "" n 

 C 03 «° 

















Date. 



















Max. 



Min. 



Diff. 



03 CT 1 



Max. 



Min. 



Diff. 













S 





o 







Inches. 



Indies. 



Inches. 



Indies. 



o 



o 



o 



1 



29.625 



29.693 



29.584 



0.109 



85.8 



90.0 



82.4 



7.6 



2 



.678 



.723 



.627 



.096 



84.7 



90.0 



79.6 



10.4 



3 



Sunday. 

















4 



.699 



.744 



.647 



.097 



*85.8 



91.2 



82.0 



9.2 



5 



.688 



.751 



.642 



.109 



85.4 



91.8 



81.8 



10.0 



6 



.616 



.677 



.547 



.130 



87.3 



94.0 



81.8 



12.2 



7 



.581 



.648 



.526 



.122 



86.5 



93.8 



79.6 



14.2 



8 



.549 



.588 



.498 



.090 



88.5 



94.1 



84.4 



9.7 



9 



.602 



.667 



.532 



.135 



88.1 



94.0 



83.4 



10.6 



10 



Sunday. 

















11 



.685 



.722 



.622 



.100 



87.0 



93.2 



82.9 



10.3 



12 



.716 



.762 



.651 



.111 



87.0 



93.4 



82.2 



11.2 



13 



.703 



.747 



.638 



.109 



86.8 



93.6 



82.4 



11.2 



14 



.683 



.736 



.625 



.111 



86.7 



92.0 



83.0 



9.0 



15 



.646 



.699 



.582 



.117 



86.0 



92.2 



82.2 



10.0 



16 



.590 



.633 



.524 



.109 



85.8 



93.8 



82.2 



11.6 



17 



Sunday. 

















18 



.487 



.548 



.407 



.141 



87.6 



94.8 



82.4 



12.4 



19 



.424 



.485 



.341 



.144 



84.9 



89.4 



82.0 



7.4 



20 



.396 



.464 



.348 



.116 



84.0 



88.2 



80.9 



7.3 



21 



3.98 



.452 



.322 



.130 



83.1 



89.5 



80.8 



8.7 



22 



.461 



.515 



.403 



.112 



83.4 



91.4 



80.1 



11.3 



23 



.464 



.512 



.402 



.110 



83.6 



89.8 



80.2 



9.6 



24 



Sunday. 

















25 



.262 



.339 



.158 



.181 



85.0 



91.6 



81.0 



10.6 



26 



.154 



.257 



.012 



.245 



81.1 



85.8 



77.8 



8.0 



27 



.113 



.446 



28.721 



.725 



80.4 



83.8 



78.0 



5.8 



28 



.490 



.552 



29.451 



.101 



83 7 



87.8 



80.1 



7.7 



29 



.536 



.581 



.481 



.100 



85.7 



92.0 



81.4 



10.6 



30 



.533 



.586 



.465 



.121 



85.9 



90.9 



82.6 



8.3 



3L 



Sunday. 















1 



The Mean height of the Barometer, as likewise the Mean Dry and Wot Bulb 

 Thermometers are derived from the twenty-four hourly observations made during 

 the day. 



