2 Meteorological Observations. 
2; From an attempt made a few years since to ascertain 
the mean temperature of the day, the méan of the tempera- 
ture at these three hours was found to give it very nearly. 
To effect this I poi the temperature every hour through the 
day. and night for several successive days, and at different 
seasons of the year. The mean of the twenty-four daily ob- 
observations ina day. But for the year, this mean is seen in 
the note to be too low. It is-readily acknowledged, that the 
obtained on this subject before. It is obtained by so _— 
aa in this eee that the cheerios will not often be 
peated. 
‘It is hnéped that the importance of uniformity w will — 
observers to adopt the above hours, or to tak the observ 
tions only twice in the day, viz. at the rising ae setting of 
the sun. It is certain-at least that so far as the temperature 
is concerned, a Masoreloeial Journal will not possess much 
utility until there be inthe t time and setae sd the 
deems by the Editor. 
‘The Sipairannt subject of meteorological sbeutintions is 
beginning to command an inc increasing share of public atten- 
tion in the United States. It appears by a circular si 
by 5. De Witt, vice-chancellor of the university of New-York, 
at snares ve adc _@ resolution to _furnish each of 
