In recent years, Denver has taken a stance on helping people who are or become homeless, particularly under the administrations of mayors John Hickenlooper and Wellington Webb. At a rate of 19 homeless per 10,000 residents in 2011 as compared to 50 or more per 10,000 residents for the four metro areas with the highest rate of homelessness, Denver's homeless population and rate of homeless are both considerably lower than many other major cities. However, residents of the city streets suffer Denver winters – which, although mild and dry much of the time, can have brief periods of extremely cold temperatures and snow.