[ 136 ] 



Monthly Mean Pressure, Temperature, and Dew Point, &c. of 1828; deduced from the Observations 

 recorded in the preceding Journal. 



I I 



22929. 

 4+0,29. 



30.507^9 

 30.521I29 

 3°-395i 28 

 30-38329 

 30.34029 

 3°-337|29 



30.34029.4062 

 .'30.59429. 

 .30.50329. 

 .30.37429. 

 ,30.47519. 



1.307 29.965^9, 



!. 473 29.85529. 



.398,29.94430. 



.154 29.79829. 

 (.900 29.882 29, 



.014 30.002 (3 O, 



1.7*9 29.7*1 z 9 , 

 ). 934 .29.884 29 

 ; . 176 29.982 29 

 "55 30.093 30 

 .133 29.92029 

 .227 30.028 29 



|30. 398 29.26629.92^ 1. 132 [29. 922I29.919I29. 923^9. 921 



29.974 

 29-855j 

 95829.949 

 80229.799 

 879 29.881! 

 019 30.009 

 72429.722: 

 888 29.882 

 94629.969 

 107 30.096 

 911 29.913 

 00930.010' 



40.7. 



40.047.340.7 

 43-05I-442.3 

 848.8^6.447.2 

 55.88156.865.1 53.9 



63.55 62.370-661 



59.8^68.8 58.6 

 59.167.355.0 

 47.958 

 43.250.644.3 



70.7I31.551.63I50.6I58.449.7I 52.9 



I j Min. jlSS 



J r 



5023.653 



* In June the Means are calculated from 29 days only. 









Hygrometer indicating Dew Point. 







Scale of the Win 









Rain. 



1828. 



































Me. 



Dew Point at 



Mean 





Mean 



Least 























Mouths. 



Morn. 



Noon. 



Night. 



Dew 

 Point. 



Vapour". Dryness. 





degree of 

 Moisture. 





N. E. 



E. 



S. K. 









N.W. 



Davs. 



In. Pts. 





40.I 



434 



40.2 



41.2 



O.292! 1.1 



965 



759 











3 







7 



8 



5 





31 



3-7* 





39.2 



44.2 



40.1 



4 I. I 



O.292' I.5 



960 



682 







3 





3 



3 



5 



6 



29 



o.94 



March 



41.0 



43-0 



40.4 



4I.4 



O.292 4.1 



858 



558 









4 





6 



7 



6 



31 



0.59 



April . 



+6.3 



48.5 



45.2 



46.7 



O.352 4.1 





525 



6 









7 



7 



3 



3 



30 





May.. 



52.9 



54.2 



51.9 



S3- 



0.444' 5-6 



844 



488 







9 





6 









31 



1.40 





57-7 



58.3 



57-4 



57.8 



0.457' 6.5 



798 



457 



I 





5 







8 



9 





3° 



1.94 



July . 



60.4 



64.2 



59-9 



6,. 5 



°«577 3-i 



907 



5>5 











6 





6 



4 



31 



4.38 



Aug. . 



58.4 



62.0 



57.8 



59-4 



0.543 2.9 



914 



579 











5 



9 





3 



3* 



4-35 





57-5 



60.1 



54-4 



57-3 



0.508 3.1 



935 



464 







8 



3 





8 







30 



403 



Oct. . . 



47-i 



53-1 



47.2 



49.1 



0.388 2.1 



937 



703 







5 





3 



8 





3 



3« 



1. 18 



Nov. . 



42.7 



47-7 



43.8 



44-7 



0.328 1.3 



93i 



738 







3 



5 



4 



3 







30 





Dec. . . 



435 



46.9 



43-7 



44-7 



0.328; 1.6 



93i 



752 









3 



9 



6 



9 





31 



1.77 



Aver. 



48.9 





48.5 



49.8 



o. 4 ooj 3.0 



905 



601 



|.. 



35 





30 



>2 



82 | 68 



36 



366 



27-85 



culated from 29 days only. 



