TABLE 4.

Mountaineers’ survival records.

	Ascent group	Date	Names	BP [hPa]	Temp [°C]	Wind [ms–1]	WCT [°C]	FFT [min]
1	ME-noO2	1985.04.29	Ang Rita Sherpa	329	−33	7	−48	6
2	ME-noO2	1984.04.20	Christo Ivanov Prodanov†	329	−31	21	−54	3
3	wL&K-noO2 (NP)	2018.01.25	T. Mackiewicz†, E. Revol	346	−45	10	-67	3
4	wL&K-noO2 (GI)	2012.03.09	A. Bielecki, J. Goła̧b	348	−44	10	−66	3
5	wH&H-noO2 (KG)	1986.01.11	K. Wielicki, J. Kukuczka	337	−28	48	−56	−4
6	wL&H-noO2 (SP)	2005.01.14	P. Morawski, S. Moro	366	−28	46	−55	−4
7	wH&H-noO2 (KS)	2012.02.15	P. Kunz, K. Chhiri Lama, L. Ongya Sherpa, N. Wangdi Sherpa, T. Dorje Sherpa	342	−35	46	−65	−3
8	wME-noO2	1987.12.22	Ang Rita Sherpa	331	−33	26	−59	2
9	ME-noO2	1985.10.30	N. Yamada	331	−32	27	−57	2
10	K2-noO2	2021.01.16	N. Purja	334	−40	5	−55	5
11	K2-noO2	2007.10.02	D. Urubko, S. Samoilov	336	−36	22	−60	2
12	wH&H-noO2 (LH)	1988.12.31	K. Wielicki	338	−37	22	−63	2
13	wME-yesO2	1980.02.17	L. Cichy, K. Wielicki	320	−41	24	−69	1
14	wME-yesO2	1982.12.27	Y. Kato†	328	−31	46	−59	−3

Numbers in bold represent the record value.

Mountaineer survival records without supplemental oxygen:

Barometric pressure (BP) of 329 hPa: 1, 2.

Air temperature (Temp) ≤ −44°C: 3, 4.

Wind speed (Wind) ≥ 46 m⋅s^–1: 5, 6, 7.

Wind chill temperature (WCT) ≤ −66°C: 3, 4.

Facial frostbite time (FFT) of -4 min: 5, 6.

Combined conditions: BP ≤ 333 hPa, Temp ≤ –30°C, Wind ≥ 25 m⋅s^–1, WCT ≤ –54°C and FFF ≤ 3 min: 8, 9.

Combined conditions: BP ≤ 346 hPa, WCT ≤ –54°C: 1, 2, 3, 5, 7, 8, 9, 10, 11, 12.

Mountaineer survival records with supplemental oxygen: the most extreme combined conditions: 13, 14.

ME-noO₂, Everest non-oxygen non-winter ascents; K2-noO₂, K2 non-oxygen non-winter ascents; wME-noO₂, Everest non-oxygen winter ascents; wK2-noO₂, K2 non-oxygen winter ascents; wH&H-noO₂, high Himalayan 8K peaks non-oxygen winter ascents; wL&H-noO₂, low Himalayan 8K peaks non-oxygen winter ascents; wL&K-noO₂, low Karakoram 8K peaks non-oxygen winter ascents; w8000-yesO₂, 8K peaks oxygen-supported winter ascents; wME-yesO₂, Everest winter oxygen-supported ascents; NG, Nanga Parbat, GI, Gasherbrum I, KG, Kangchenjunga, SP, Shisha Pangma, KS, Kangchenjunga South, LH, Lhotse, ^†died during descent; BP, barometric pressure; Temp, temperature; Wind, wind speed; WCT, wind chill equivalent temperature; FFT, facial frostbite time.