Meteorological Observe tiovs. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Ojfice } Calcutta ) 



in the month of June 1866. 



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





S 8 -a 

 W * 



Range of the Barometer 

 during the day. 





Range of the Tempera- 

 ture during the day. 

















Date. 

















rt M>! 









<=! Si 











1 s 2 



0, -fl -4-= 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



o 



o 







o 



1 



29.610 



29.662 



29.548 



0.114 



89.9 



99.2 



83.0 



16.2 



2 



.629 



.682 



.557 



.125 



87.4 



98.0 



79.6 



18.4 



3 



.625 



.678 



.555 



.123 



87.8 



98.4 



79.2 



19.2 



4 



.593 



.647 



.480 



.167 



88.9 



98.2 



81.4 



16.8 



5 



.571 



•628 



.499 



.129 



90.2 



98.4 



83.4 



15.0 



6 



.509 



.557 



.404 



.153 



90.4 



98.6 



84.0 



14.6 



7 



.494 



.551 



.431 



.120 



91.1 



99.8 



84.2 



15.6 



8 



.551 



.612 



.479 



.133 



91.4 



101.6 



83.6 



18.0 



9 



.570 



.622 



.497 



.125 



90.5 



97.8 



82.0 



15.8 



10 



.546 



.621 



.447 



.174 



89.5 



98.6 



76.2 



22.4 



11 



.503 



.573 



.423 



.150 



88.3 



96.8 



80.2 



16.6 



12 



.499 



.550 



.425 



.125 



89.1 



95.6 



85.4 



10.2 



13 



.532 



.604 



.462 



.142 



89.4 



98.4 



83.0 



15.4 



14 



.538 



.596 



.450 



.146 



89.9 



98.2 



84.6 



13.6 



15 



.492 



.544 



.440 



.104 



83.4 



86.5 



80.8 



5.7 



16 



.494 



.533 



.443 



.090 



83.3 



87.3 



79.6 



7.7 



17 



.515 



.571 



.451 



.120 



82.2 



85.0 



79.6 



5.4 



18 



.531 



.575 



.476 



.099 



82.9 



87.2 



78.4 



8.8 



19 



.503 



.563 



.436 



.127 



82.7 



86.8 



80.0 



6.8 



20 



.425 



.485 



.350 



.135 



84.3 



89.0 



81.8 



7.2 



21 



.375 



.4i6 



.319 



.097 



80.9 



82.4 



79.0 



3.4 



22 



.429 



.519 



.365 



.154 



82.1 



89.2 



79.0 



10.2 



23 



.502 



.557 



.446 



.111 



83.3 



90.8 



79.4 



11.4 



24 



.483 



.545 



.408 



.137 



82.9 



87,8 



79.6 



8.2 



25 



.441 



.489 



.380 



.109 



85.7 



91.2 



81.8 



9.4 



26 



.431 



.477 



.376 



.101 



85.3 



89.5 



81.2 



8.3 



27 



.465 



.520 



.415 



.105 



83.3 



85.1 



80.6 



4.5 



28 



.514 



.579 



.452 



.127 



84.1 



88.6 



82.0 



6.6 



29 



.573 



.637 



.503 



.134 



87.2 



93.4 



83.4 



10.0 



30 



.607 



.667 



.560 



.107 



83.9 



87.4 



81.8 



5.6 



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. 



