140 



EXPLORATION OF THE UPPER ATMOSPHERE 



OBSERVATIONS AT NASSAU, JULY 1, 1903. 



5 cumulus, 2 alto-cumulus, f Light scud under kite, t Kite in cumulus at 10.57 a m 



"Wh /''l"' , H.'° cumulo-nimbus. || Kite in cumulus. 1 Kite obscured by cumulus. 



Whole sky clouded m region of kite, tt Kite in cumulo-nimbus. « Thunder at 4.05 p. m. 



nl loff TZ ^PP-'^^^t'y "'oving northward. Average pressure decrease 0.10 inch 



per 107 feet. Average temperature decrease 1° F. per 173 feet. 



