Peessuee of Dey Aie. 



425 



TABLE XXrV. — Hourly Variations of the Pressure of Dry Air for each Astronomical Quarter, and 



for the year 1844. 



Pressure op the Wind. 



TABLE XXV. — Daily, Weekly, and Monthly Means of the Pressure of Wind, in Pounds on the 

 Square Foot of Surface, deduced from the greatest pressures occurring between the Hourly Obser- 

 vations, in 1844. 



UAG. AND MET. OBS. 1844. 



5p 



