210 



TENTH ANNUAL REPORT, ETC. 

 TABLE No. 5. 



Observations for twenty-four successive hours, taken on the 22c? of 



December, 1855. 



Remaiiks. — From 6 p. m. of the 20th to 7 p. m. of the 21st it rained, with brief inter- 

 missions, to the amount of 0.268 inch, with the wind light from S. E., and remained 

 cloudy up to the hour the present observations were commenced. On tlie corresponding 

 day in 1853 the weather was clear, with the wind fresh from N. W. ; the mean tempera- 

 ture on the same day being 44°, and the mean reading of the barometer 30.15 inches. 



At 10 p. m. of the 23d the sky was entirely covered with cumulo-stratilied clouds ; and 

 by 9 p. m. entirely clear, with the wind strong from N. W. 



On the morning of the 24th, the thermometer fell to 25- ; and on the morning of the 

 26th the unprecedented fall of snow occurred. 



