150 Meteorological Register. 
=~? ie the climate of the United States hitherto port 
oh is to be hoped, that, agreeably to Dr. Lovell’s sugges- 
tion, the observations will be continued, until a fair average 
shall be obtained, of all those variations to rere our climate 
is liable. 
It is justly observed, in the remarks prefatory to the Regis- 
ter, that the question so often agitated, whether the climate 
of a country is permanently affected by the progress of cul- 
tivation and population, can be more satisfactorily settled in 
the United States than perhaps in any other country.“ For 
here, within the memory of many now living, the face of 
whole districts of country has been entirely changed. And 
in several of the States two centuries have effected as much as 
two thousand years in many parts of Europe. In this re- 
spect, the “ landing of the pilgrims” in 1620 is as remote a 
: perio’ 3 as that of the invasion of Gaul, or of Britain by Julius 
In this register, ‘¢ the first twelve tables for each year give 
This last or Sees table we shall copy, as it is the most 
a and presents results exceedingly interesting and 
instr 
Climate i is influenced as much by elevation above the level 
of the sea as by latitude. It is remarked that the elevation 
of the north-western or interior stations over those on the At- 
lantic coast, has not been accurately ascertained, but the fol- 
owing are given as Se 
Name: : Feet above tide water. 
Fort Brady, Outlet of = anes Superior, - 595 
Fort Howard, South end of a Bay, 600 
Fort Crawford, Prairie du Chie 580 
Fort Snelling, Junction of St. aS and Mississippi, 780 
Council Bini, near junction of Platte and Missouri, 
w’s interesting memoir the time of the flowering of ow 
ian fruit trees oe ah important and accurate means of judging 
of the observations should be multiplied. 
the Ist vol. of this J 
