The Ascent of Denali (Mount McKinley) / A Narrative of the First Complete Ascent of the Highest / Peak in North America

by Hudson Stuck

Head of Muldrow Glacier

Muldrow Glacier, barometric reading	19.640	in.	Temp.	36°
Barometer reduced to standard temperature	−.013	“
	19.627	in.
Fort Gibbon, barometric reading	30.065	in.	Temp.	71°
Barometer reduced to standard temperature	−.115	“
	29.950	in.
Muldrow Glacier, corrected barometer	19.627	in.	11,441	ft.
Fort Gibbon, corrected barometer	29.950	“	(−)45	“
			11,486	ft.
Temperature, 53.5°—approximate
difference in elevation	11,486	ft.	+79	“
Latitude, 65°—approximate difference
in elevation	11,565	“	+8	“
Mean temperature, 53.5°—approximate
difference in elevation	11,565	“	+63	“
Elevation lowest, 45—approximate
difference in elevation	11,565	“	+6	“
Elevation above Fort Gibbon			11,642	ft.
Elevation of Fort Gibbon			334	“
Elevation above sea			11,976	ft.

Parker Pass

Parker Pass, barometric reading	17.330	in.	Temp.	43°
Barometer reduced to standard temperature	−.023	“
	17.307	in.

Fort Gibbon, barometric reading	30.050	in.	Temp.	69.5°
Barometer reduced to standard temperature	−.111	“
	29.939	in.
Parker Pass, corrected barometer	17.307	in.	14,861	ft.
Fort Gibbon, corrected barometer	29.939	“	(−)35	“
			14,896	ft.
Mean temperature, 56.25°—approximate
difference in elevation	14,896	ft.	+185	“
Latitude, 64°—approximate difference
in elevation	15,091	“	+11	“
At temperature of 56.25°—approximate
difference in elevation	15,091	“	+92	“
Elevation lowest, −35°—approximate
difference in elevation	15,091	“	+11	“
Elevation above Fort Gibbon			15,195	ft.
Elevation of Fort Gibbon			334	“
Elevation above sea			15,529	ft.

Last Camp

Last Camp, barometric reading	15.220	in.	Temp.	40°
Barometer reduced to standard temperature	−.016	“
	15.204	in.
Fort Gibbon, barometric reading	29.660	in.
Barometer reduced to standard temperature	−.120	“	Temp.	73.5°
	29.540	in.
Last Camp, corrected barometer	15.204	in.	18,382	ft.
Fort Gibbon, corrected barometer	29.540	“	329	“
			18,053	ft.

Mean temperature, 56.75°—approximate
difference in elevation	18,053	ft.	+248	ft.
Latitude, 64°—approximate difference
in elevation	18,301	“	+17	“
Mean temperature, 56.75°—approximate
difference in elevation	18,301	“	+112	“
Elevation lowest, 329—approximate
difference in elevation	18,301	“	+16	“
Elevation above Fort Gibbon			18,446	ft.
Elevation of Fort Gibbon			334	“
Elevation above sea			18,780	ft.