392 



Prof, 



Dewey'' 3 Meteorological Observations. 



1819. 



) 



1 



Hig;hest 



Lowest 



Mean of 



Mean of 



Water. 



WitiHs. 



" ^ 



"^' 



Months. 



Highest* Lowest* 



'y 



mean of 

 any day* 



mean of 

 any da y. 



the 



month* 



Baromet. 



inches. 



inches. 













N.W. 



s,w. 



S. 



fS. £. 



E. 



w. 



NW all day 



January 



55.2 -5.5 



45.3 



1.3 



28.14 



29.30 



1.212 



5) 



13 



14 



11 



1 



1 



11 



February 



55 



3.5 



47.2 



12.4 



27.7 3 



29.12 



2.251 



54 



1 



7 



1 



11 



8 



I 



1 



10 



March 



5:2 



-1.4 



40.3 11.2 



25.86 



29.08 



3.958 4?! 



1 



6 



20 



17 







C 



J 



9 



April 



73.5 17.5 



53.4 1 25.5 



42.19 



29.171 2,342 63 



■ 



.2 



11 



10 



^ 



I 



c; 



17 



May 



86.5 



35.5 



68.7 



41.9 



55.30 



29.051 2.946 



40 



6 



14 



27, 



'2ne 







9 



June 



92 



51 



T9.3 



57.0 



67.2gi 



29.17 



2.697 



40 



7 



31 



7 











9 



July 

 August 



93.3 



48.5 



80.S 57.5 



70.31 



29.33 



6.311 



45 



5 



38 



b 







1 



10 



' 94 43.7 



80.7 



53.7 



68.99 



29.27 



1 



2.985 



63 



6 



15 



10 











18 



Septem, 



1 



90.5 43.2 



77.5 



50.4 



1 



64.01 



29.20 



3.755 



26 



11 



15 



22 



I 



4 



5 



October 



79.3 



28.0 



68.1 



29.8 



46.31 



29.17 



1.148 



44 



12 



29 



4 







2 



10 



Novem. 



72 



16 



50.1 



22.6 



38.21 



29.25 



1 



0.995 



45 



6 



19 



15 







2 



12 



Decern. 



50 



^5.5 



1 



40.3 



2.5 



25.07 



29.06 



1.565 



67 

 586 



5 

 85 



11 



S 



I 



5 



4 

 17 



18 



Sum 



893.3 

 74.44 



274.5 

 2iJ.88 



747.7 

 62.3! 



365.8 



1 



559.34 350.17 



32.163 



228137 



138 



Mean 



30.48 



46.61 



29.18 

















Mean temperature of the jear. 



a 



- 46^6I. 

 48.66, . 



4€ 



(i 



of highest and lowest in each month 



of greatest and least mean temp, of each month 46,39. 



height of the barometer • - . 



Quantity of rain and snow 



29.18 inch. 



32,163 « 



Dividing the winds, at the three daily observations, into 100 parts. 



W. 55: S.W 



W. 1.6 J andN. E. ^V 



W 



Aurora Borealis was seen fourteen evenings, six of which were in 



October. 



