Meteorologica I Observa do n s . 



xyxvi 



Absfr&ct of (he Results of the Hourly Meteorological Olservatiom 



taken at (he Surveyor General's Office, Calcutta, 



m the month of May 1870, 



Hourly Means, &c. of the Observations and of ike Ilygroinetriciil elements 



dependent thereon. 



Hour 



Mid- 

 night, 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



Noon. 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



e^ 



4j 





O 



58 





,-, 



P-l 







OJ 











;( 









6 



A 1 







a i 



OB 



"-! 



o 



S 



t 



w 



rd 



| 



Ilange of the Barometer 



for each hour during 



the inontli. 



Max. 



Min. 



Diff. 



r£2 



C3 rj 



l?ange of the Tempera* 

 ture for each hour 

 during the month. 



Max. 



Min. ; .Din: 



Inches. 



Incites. 



Indies. | 



Inches. 







29.610 



29.768 



29.480 



0.288 



82.9 



.597 



.'761 



.468 



.293 



82.6 



.586 



.751 



.459 



.292 



82-4 



.579 



.742 



.453 



.289 



82.1 



.582 



.741 



.456 



,285 



81.9 



.598 



.745 



.466 



.279 



81.7 



.614 



.760 



.486 



.274 



81.7 



.634 



.770 



.495 



.275 



83.0 



.650 



.789 



.493 



.296 



85.6 



.661 



.810 



.503 



.307 



88.5 



.660 



.806 



.497 



.309 



91.0 



.648 



.797 



.489 



.308 



93.5 



.633 



.785 



.470 



.315 



91,8 



.611 



.758 



.451 



.307 



96.0 



.584 



.738 



.414 



.324 



96.2 



.561 



.715 



.410 



.305 



95.9 



.540 



.689 



.397 



.292 



95.0 



.531 



.650 



.394 



.256 



93.3 



.540 



.651 



.399 



.252 



90.9 



.561 



.668 



.432 



.236 



87.6 



.589 



.7'58 



.446 



.312 



85.8 



.611 



.748 



.455 



.293 



$4. A] 



.619 



.736 



.481 



.255 



83.9 



.616 



i .726 



.488 



.238 



83.5 



85.7 

 85.2 

 85.0 

 84.7 

 84.5 

 83.7 

 83.5 

 85.0 

 87.7 

 90.5 

 93.5 

 96.5 



99.5 

 101.4 

 101.8 

 103.4 



103.6 



103.0 



99.6 



94.5 



91.2 

 88.0 

 89.5 

 87.4 



76.5 



76.5 

 76.5 



76.5 

 76.8 

 76.6 

 77.3 

 78.5 

 81.5 

 83.2 

 86.0 

 88.0 



89.0 

 86.5 

 84.8 

 83.0 

 82,6 

 826 

 82.8 

 75.0 

 76.0 

 75.7 

 76.5 

 75.5 



9.2 



8 7 

 8.5 

 8.2 

 7.7 

 7.1 

 6.2 

 6.5 

 6.2 



l ?y 

 7.5 



S.5 



10.5 

 14,9 

 17.0 



20.4 

 21.0 



21 K \: 



19.5 

 15.2 

 12.3 

 13.0 

 11.9 



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

 Thermometer Means arc derived from the observations made at I lie several 

 tours during the moiitk. 



