Meteorological Observatiotis 



iiii 



Abstract of the Results of the llourh/- Meteorological OhKcrrationa 

 taken at the Surveyor General's Office, Calcultaj 

 in the month of Jidy V61^, 



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



o «* 



JKange of the Barometer 



for each liour during 



the month. 



Max. 



Min. 



Diff. 





Eange of the Tempera, 

 ture for each liour 

 during the month. 



Max. 



Min. 



Inches. 



29.613 

 .603 

 .592 

 .580 

 .572 

 .583 

 .597 

 .612 

 .625 

 .632 

 .630 

 .619 



.605 

 .586 

 ,568 

 .547 

 .532 

 .528 

 .541 

 .559 

 .580 

 .602 

 .619 

 .617 



Inches. 



.728 

 .712 

 .699 

 .687 

 .676 

 .688 

 .702 

 .721 

 .737 

 .735 

 .739 

 .721 



.715 

 .688 

 .678 

 .655 

 .631 

 .624 

 .629 

 .665 

 .688 

 .706 

 .725 

 .728 



Inches. 



29.375 

 .361 

 .355 

 .351 

 .357 

 .366 

 .386 

 .385 

 .401 

 .431 

 .434 

 .427 



.408 

 .381 

 .373 

 .347 

 .344 

 .339 

 .348 

 .354 

 .369 

 .384 

 .400 

 .396 



Inches. 



0.353 

 .351 

 .344 

 .336 

 .319 

 .322 

 .316 

 .336 

 .336 

 .304 

 .305 

 .294 



.307 

 .307 

 .305 

 .308 

 .287 

 .285 

 .281 

 .311 

 .319 

 .322 

 .325 

 .332 



82.0 

 81.6 

 81.3 

 81.0 



80.7 

 80.5 

 80.5 

 81.3 

 83.0 

 81.8 

 85.9 

 87.1 



87.7 

 87.8 

 87.5 

 87.5 

 86.8 

 85.7 

 84.4 

 83.6 

 83.1 

 82.6 

 82.1 



85.0 

 84.2 

 83.8 

 83.0 

 82.8 

 82.5 

 82.5 

 83.6 

 85.6 

 87.0 

 89.0 

 91.0 



92.3 

 93.4 

 93.5 

 94.0 

 94.2 

 93.5 

 92.5 

 89.7 

 88.5 

 87.4 

 86.0 

 85.5 



79.5 

 79.0 

 :79.0 

 79.0 

 79.0 

 79.4 

 79.0 

 79.3 

 800 

 80.0 

 80.5 

 81.5 



83.0 

 79.5 

 79.4 

 78.2 

 79.0 

 79.0 

 79.1 

 78.6 

 78.5 

 78.8 

 78.5 

 78.5 



Diflf. 



5.5 

 5.2 

 4.8 

 4.0 

 3.8 

 3.1 

 3.5 

 4.3 

 h.^ 

 7.0 

 8.5 



9.3 



13.9 



14.1 



15.8 



15.2* 



14.5 



13.4 



11.1 



10.0 



8.6 



7.5 



7.0 



■^^^T^an Height of the Barometer, as likewise the Dij and Wet Bulb 

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



