140 



METEOROLOGICAL OBSERVATIONS 



4 degrees below the average. On the 27th the common ther- 

 mometer indicated 4 degrees below freezing, and the radiating 

 one 10 degrees below that point. There was a slight frost so- 

 early in the month as the 6th. The amount of rain was nearly 

 an inch below the average. Tlie 16th was boistei'ous, and much 

 rain fell on the 19th. The Dahlias were much injured by the 

 frost of the 27th. 



October. — This month was warm and rather moist, according 

 to the hygrometer. Heavy rain fell on the 23rd ; but the total 

 amount was nearly an incli below the average for the month. 

 There was a slight frost on the 21st; and the thermometer 

 indicated 4 degrees below freezing on the night of the 25th. 



November. — There were some very fine days in this month ; 

 but, with this exception, it maintained its usual character, foggy 

 and damp. The mean temperature was a degree above the 

 average ; the amount of rain somewhat less than usual. The 

 barometer stood high, as is usually the case in foggy weather. 



December. — The mean temperature was very little above the 

 average. There were only slight frosts. Up to the 18th the 

 weather was frequently boisterous, especially on the 4th, 6th, 

 7th, and 17th. On the 6tli there was lightning at night, and 

 the barometer was then remarkably low, the atmospheric pres- 

 sure balancing little more than 28i inches of mercury. 



1848. 



