Reproduced from the Monthly Weather Review, 42: 423
This figure shows the horizontal projections as far as the balloon was observed, not the entire distance traveled until it landed.
CHART NO. 2
Vertical Temperature Gradient, Avalon, California, July 27, 1913
Solid line represents the ascent of the recording apparatus, the dotted line the descent. (Verticals 25° C. or 45° F.)
Reproduced from the Monthly Weather Review, 42: 412
CHART NO. 3
Mean Vertical Temperature Gradient
Figure reproduced from Monthly Weather Review, 42: 413.
Altitude values are in kilometers at the left, and in miles at the right: Temperature values are in Centigrade at bottom, in Fahrenheit at top.
Maximum airplane altitude 26,242 feet or 5 miles.