Meteorological Journal for the year 1839. 



273 



Art. YIII. — Abstract of a Meteorological Journal for the year 

 1839, kept at Marietta, Ohio, Lat. 39^ 25' N., and Lon. 4P 

 28' W. of Washington City; by S. P. Hildreth, M. D. 



Remarks on the year 1839. — The mean temperature for the 

 year 1839 is 52.54°, which is two degrees greater than that of 

 1838, and may be considered as about the mean for this place. 

 The quantity of rain and meUed snow is 33.32 inches ; and is 

 two inches less than that of the preceding year, which was con- 

 sidered as a remarkable one for the little rain that fell in the latter 

 half of it, and is about nine inches less than the mean amount 

 for this region. In the past year, however, the distribution of 

 rain has been very equal, so that every month had its due share 

 in such seasonable showers as to afford a good supply for vegeta- 

 tion, and the crops of all kinds of grain and grass were never 

 more abundant. The mean temperatures of the four seasons are 

 as follows, the winter being made up with the aid of December, 

 1838, which properly belongs to it. 



Winter months, 33.27° Spring months, 54.84° 



Summer months, 69.88 Autumn months, 49.43 



The winter was milder than that of 1838 by three degrees, 

 and the spring warmer by five degrees. The summer was cooler 

 by nearly five degrees, and far more pleasant and fruitful. Au- 

 tumn varied but little from the preceding one. The pear and 

 cherry tree were in blossom on the lltli of April, the apple on the 



Vol. xxsviii, No. 2.— Jan.-March, 1840. 35 



