Trof, Beweifs Meteorological Observations » 



691 



18ia 



Months. 



January 



Highest. 



4^0 





February|49 

 March 



Lowest. 



-18 



-22.5 

 -3 



27 

 36 

 49 



Mean of [Mean of 

 the / Baroiu. 

 monih. 



20.26 



14.94 



29.20 

 29.14 

 29.26 



39.09l28.91 

 53.59 28.98 



31.23 



Winds. 



W mer. 



April 

 May 

 June 

 July 



August 189 I 45 165.95(29.23 



Septem. 84 



25 

 22 



S. E. I S. W 



s. 



64.5 

 65 



88 



94.5 I 49 68.50(29. 10| 



92.2 53.5fn.25i29.lS 



11 



6 



5 



20 



25 i 11 



21 



11 



6 



r 



6 



S 



3 



October 

 Noveni. 

 Decern. 



65.7 



42 



33 



£1.3 



21 



-8 



55.60 



48.11 



39.75 

 22.03 29.25 



29.11 



29.19 

 29.16 



18 



^ 



21 



6 



24 



6 



22 



6 



22 



7 



22 



6 



27 





6 

 6 



9 

 8 



5 



9 / IQ 



15 12.294 



12 

 14 



15 



1.716 



3.701 



14.522 



6 

 12 



3 



6 



r 



1 



14 



6 



5 

 11 



9 

 6 



12 4.2S9 



6 4.307 

 9 5. 1 55 



11 

 15 

 14 

 1 



18 





3.04S 



0.282 



.178 

 1.042 





The first/owr columns of wintl show the number of times the wind lias been from those 

 points at the regular hour of observation, and the last column the number of tlaj3 in which 

 the wind has been N, W. through the day- 

 Mean temperature of the year 44°. 19. 



« of the highest and lowest temperature 45 .17. 



t( 



height 



59 



Dividing the winds at the three daily ohscrvations into 100 parts, ahout 

 are N. W. ,• 14, S. E. ; 10, S. W. ; 13, S. ; 1, E. ; 2, W. j 1, N. E. 

 Zodiacal light observed several evenings at the end of February and 



beginning of March. 



observed 



24 and 25th ; and October 6 and 7th. 



Mean temperature of 1818 a little less than that of 1816. 



«* of 1816, 1817, and 1818,44M1. 



« temperature of three springs for two years 48°.31, 47°.22, and 

 45°.83 J the mean of which is 47M2. This is nearly the mean, according 

 (o Kirvvan's theory, allowing the elevation of this place to be 1000 feet 

 above the tide water of the Hudson at Troy, and allowing 1° of reduction 

 from the standard temperature for an elevation of thirty feet in a mile. 



53 



^t 



