[ 368 ] 



Monthly Mean Pressure, Temperature, and Dew Point, &c. of 1831 ; deduced from the Observations 

 recorded in the preceding Journal. 



\i : _ : ht. 



Oi so , 



Jan. .'30 

 Feb. . 30 



March'30. 



April 30. 



May . 30. 



June. 30. 



July . 30. 



Aug. 130. 



Sept. 30. 



Oct. . 30. 



N0V.J30. 



Dec. . 30. 



66529.151 29.887, 

 44628.99429.877, 

 51529.17729.90^ 



47029.209.29.737, 

 357 29-452 29-9 z8 j 

 2 n 29.646 29.962 

 364 29.584 29. 975 J 

 25829.64229.956 

 270 29.582 29. 930| 

 42329.24629.886, 

 57829.287,29.935' 

 494 28. 943 :29- 825] 

 42129.326l29.900] 



.514 29.90^29 



.452 |2 9 . 84829 

 .338 29.90429 

 .26l 29.749^9 

 .905 29.934.29 

 .565 29.96029 

 .780129.98329 

 .6l6 29.959^9 



.688 29.94629 

 .177 29.88929 

 .291 29.928 29 

 .551 29.824(29 



873:29.833129.885 

 87329.901 29.874 

 886 29.907 29.899 

 723 29. 727 29.733 

 92929.92629.929 

 964 29.963 29.962 

 970^29.986 29.976 

 95 5 29. 954 29.956 

 .923 29.926 29.931 

 88229.890 29.887 

 92 3 j2 9 .942 29.931 

 .823 29.827 29.824 



. 094 29 . 902 29 . 893 29 . 902 29 . 899' 



34-439- 

 41-7 47- 

 45-3 51- 

 51.257. 

 55-262. 

 62.267. 

 65.772. 

 65.872. 

 57.664. 

 56.061. 

 42.6| 47 . 

 .5 41.045. 



3i 65.5 

 26 58.3 

 15 43-6 



70.3 31 51.6 ki-557-449 



9Q-s\ 58 



1831. 



Hygrometer indicating Dew Point. 



Scale of the Winds. 



Rain. 





Mean 



Dew Po 





Mean 

 Dew 



Mean 





Mean 



Least 























Mont!,.. 









Force of 































Morn. 



Noon. 



Night. 



Point. 





Diywas. 







N. 

















Days. 



In. Pts. 



Jan.. 



34-o 



37-6 



34.6 



35-4 



O.243 



0.67 



979 



758 





6 





3 







3 









Feb. . 



4I.0 



43-9 



39-9 



41.6 



O.299 



1.70 



934 



574 







3 





6 



6 









2.27 



March 



44.I 



46.O 



43-8 



44.6 



0-335 



2.48 



917 



540 





3 



6 





4 



5 



13 







1. 91 





48.9 



50.0 



46.5 



48.4 



O.381 



3.64 



886 



555 







4 



3 













I.96 



May. 



50.4 



50.7 



48.9 



50.0 



O.40O. 



5.82 



818 



443 





5 







6 













June. 



57-5 



56.2 



55-9 



56.5 



O.5OI 



5.81 



833 



39i 





















i-37 



July. 





60.6 



59-9 



60.5 



O.568 



5.84 



829 



436 



4 





8 







H 

 10 



9 

 9 







2.52 





62.8 



62.1 





6,. 7 



0.589 



4.58 



861 



441 







4 





6 



3 









i-59 



Sept.. 



57-i 



59.I 



54-3 



56.8 



O.505 



2.04 



935 



673 



4 





3 







6 









4-'9 



Oct. 



55-8 



58.9 



54-5 



56.4 



O.498 



1.06 



965 



74i 











l 9 



8 









3.81 



Dec. 



42.4 



45.6 



41.7 



43-2 



O.319 



0.74 



972 



734 











3 





8 



3 



30 







44-9 



41.4 



42.4 



O.309 



0.29 



987 













5 



»7 



3 





3 1 



2.38 





| 49-6 



51.4 



48.4 



49.8 



O.4II 



, 9 



909 



596 



1 24 



33 



49 



11 



75 



>3 



7 1 



19 



365 



26.93 



