boukreev began his descent to camp iv at 14:30, having spent nearly 1.5 hours at or near the summit helping others complete their climb. by that time, hall, krakauer, harris, beidleman, namba, and mountain madness clients martin adams and klev schoening had reached the summit, and the remaining four mountain madness clients had arrived. after this time, krakauer noted that the weather did not look so benign. at 15:00 snow started to fall, and the light was diminishing.