M. A.Kupffer's Note on the Mean Temperature ofNicolaieff. \ 33 



Nicolaieff is situated on the Black Sea, in north lat. 4?6°58'' \, 

 and in longitude 32° O' east of Greenwich; and its height above 

 the Black Sea is about 20 toises. 



The following are the mean results of these observations; 

 and it must be observed that they are reckoned according to 

 the Julian Calendar, which is still employed throughout all 

 Russia. The observations were made twice a day at lO** a.m. 

 and lO*" P.M., and the maxima and minima were also observed. 



Table I. Mean State of the Octogesimal or Reaumui's Ther- 

 mometer at Nicolaieff, in the Years 1827 — 1830. 



Meap Temp, of 1827—1830, at 10" a.m. and 10" p.m. 

 Mean Temp, at the hours of Max, and Min 



Reaumur. 



+7°'5a 

 +7-70 



Fahr. 

 48"-92 

 49 -32 



Table II. 



Mean Temperature of Wells at Nicolaieff, in 

 1827, 1829, and 1830. 



Mean of I827 70-4 



Mean of 1829 6 -2 



In 1828 the observations on the temperature of this well 

 were interrupted ; but they were resumed in 1829, and obser- 

 vations were also made on another well. 



