Meteorological Observations. xi 



Abstract of the Hesults of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of June, 1860. 



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

 dependent thereon. 



Hour. 



Height of 

 Barometer 

 \2" Fabt. 



Ranse of the Barometer for 



each hour during the 



month. 



;5 •-" 

 pa % 



« 2 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 



















Max. 



Min. 



Diff. 



03 &1 



Max. 



Min. 



Diff. 





§ 









e=1 











Inches. 



Inches. 



Inches. 



Inches. 















o 



Mid- 

 night. 



29.555 



29.742 



29.369 



0.373 



81.8 



85.6 



77.7 



7.9 



1 



.541 



.712 



.349 



.363 



81.5 



85.4 



77.7 



7.7 



2 



.531 



.682 



.310 



.372 



81.2 



85.3 



77.6 



7.7 



3 



.530 



.628 



.390 



.238 



81.2 



85.2 



77.6 



7.6 



4 



.532 



.650 



.301 



.349 



80.8 



85.0 



78.0 



7.0 



5 



.537 



.647 



.302 



.345 



80.9 



84.2 



77.8 



6.4 



6 



.554 



.665 



.317 



.348 



81.1 



846 



78.0 



6.6 



7 



.569 



.679 



.344 



.335 



82.0 



85.6 



79.4 



6.2 



8 



.582 



.688 



.356 



.332 



84.5 



89.0 



79.6 



9.4 



9 



.587 



.692 



.360 



.332 



86.2 



90.8 



79.8 



11.0 



10 



.586 



.691 



.363 



.328 



88.2 



93.2 



81.4 



11.8 



11 



.579 



.684 



.364 



.320 



89.5 



96.4 



81.8 



14.6 



Noon. 



.564 



.690 



• .346 



.344 



90.2 



99.0 



81.9 



17.1 



1 



.547 



.677 



.325 



.352 



89.8 



99.2 



81.4 



17.8 



2 



.526 



.647 



.315 



.332 



89.7 



99.0 



81.2 



17.8 



3 



.509 



.640 



.297 



.343 



89.4 



98.9 



77.0 



21.9 



4 



.490 



.634 



.293 



.341 



88.7 



97.8 



77.6 



20.2 



5 



.494 



.620 



.300 



.320 



87.8 



97.2 



77.7 



19.5 



6 



.501 



.629 



•324 



.305 



85.8 



940 



77.6 



16.4 



7 



.522 



.650 



.332 



.318 



84.4 



91.0 



78.0 



13.0 



8 



.538 



.658 



.347 



• .311 



83.7 



90.0 



77.8 



12.2 



9 



.556 



.678 



.367 



.311 



83.3 



88.6 



77.8 



10.8 



10 



.569 



.687 



.367 



.320 



82.9 



87.8 



77.8 



10.0 



11 



.561 



.691 



.374 



.317 



82.3 



86.6 



78.4 



8.2 



The Mean height of the Barometer, as likewise the Mean Dry and Wet Eulb 

 Thermometers are derived from the observations made at the several hours 

 during the month. 



