Really people in winter clothes or blankets can tolerate very cold temperatures for a very long time, especially indoors out of the wind. Healthy people with ad

Really people in winter clothes or blankets can tolerate very cold temperatures for a very long time, especially indoors out of the wind. Healthy people with adequate clothing in NYC could easily survive in -10C temperatures for a week or more. The more pressing need at that point would be access to water (assuming it needs electricity for distribution).