Meteorological Observations. 



xliit 



Abstract of the Results of Me Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mouth of June 1870. 



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



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



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

 dependent thereon. 







Range of the Barometer 



13 6 Bange of the Tempera- 





£ V, -4 



during the da 



J- 



«| 



ture during the day. 











ft 2 







- j 2 £m 









)ate, 















1 









a £ 









: 



! 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 















o 



I 



29.542 



29.690 



29.458 



0.232 



87.0 



97.5 



76.5 



21.0 



2 



.599 



.665 



.531 



.134 



84,4 



92.5 



78.0 



14.5 



3 



.611 



.693 



.534 



.159 



86.9 



95.6 



77.5 



18.1 



4 



.627 



.697 



.538 



.159 



87.1 



95.0 



80.6 



14,4 



5 



.660 



.707 



.619 



.088 



87.2 



93.6 



82.0 



11.6 



6 



.711 



.768 



.623 



.145 



87.3 



93.8 



79.5 



14,3 



7 



.668 



.745 



.595 



.150 



86.2 



92.5 



80.0 



12.5 



8 



.597 



.668 



.516 



.152 



87.7 



92.9 



84.2 



8.7 



9 



.606 



.696 



.535 



.161 



87.3 



93.8 



77.8 



16.0 



10 



.659 



.706 



.612 



.094 



86.1 



92.7 



80.3 



12.4 



11 



.662 



.725 



.586 



.139 



87.6 



91,5 



82.5 



12.0 



12 



.670 



.736 



.588 



.148 



88.0 



94.8 



82.5 



12.3 



13 



.701 



.741 



.670 



.071 



83.7 



90.7 



80.0 



10.7 



14 



.650 



.708 



.589 



.119 



86.0 



91.7 



80.5 



11.2 



15 



.589 



.644 



.490 



.154 



87.5 



94.5 



82.2 



12.3 



16 



.545 



.592 



.474 



.118 



84.5 



91.9 



81.4 



10.5 



17 



.504 



.554 



.444 



.110 



82.8 



88.2 



78.5 



9.7 



18 



.439 



.521 



.346 



.175 



83.9 



89.9 



80.2 



9.7 



19 



.330 



.403 



.236 



.187 



83.0 



87.0 



80.2 



6.8 



20 



.405 



.536 



.330 



.206 



79.3 



80.8 



78.2 



2.6 



21 



.602 



.686 



.505 



.181 



79.8 



84.8 



77.0 



7.8 



22 



.654 



.716 



.587 



.129 



84.0 



89.8 



79.4 



10.4 



23 



.658 



.698 



.611 



.087 



80.5 



83.7 



78.0 



5.7 



24 



.637 



.692 



.573 



.119 



79.8 



82.6 



77.5 



5.1 



25 



.613 



.656 



.545 



.111 



82.7 



88.5 



79.0 



9.5 



26 



.613 



.655 



.588 



.087 



83.6 



88.8' 



78.8 



10.0 



27 



.630 



.677 



.586 



.091 



83.0 



87.7 



80.3 



7.4 



28 



.638 



.686 



.569 



.117 



83.9 



88.7 



80.0 



8.7 



29 



.651 



.698 



.579 



.119 



85 4 



91.8 



80.8 



11.0 



30 



.651 



.688 



.600 



.088 



84.5 



89.0 



81.0 



8.0 



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. 



