Columbine seemed to kick off a spate of school shootings in the country in the years since, the deadliest taking place in 2007 when a gunman opened fire on the campus of Virginia Tech University in Blacksburg, Va., killing 32. Sue Klebold recalled the horror of that morning in her interview with Sawyer.
Average Weather in Waterloo Iowa, United States. Waterloo has a humid continental climate with hot summers and no dry season. The temperature typically varies from 12Â°F to 84Â°F over the course of the year, and is rarely below -9Â°F or above 92Â°F. The warm season lasts for 128 days, from May 17 to September 22, with an average daily high temperature above 72Â°F.
Wind chills dropped to 15 to 25 below zero over much of central Iowa Tuesday night the 30 th. Des Moines only recorded 6 days in which the average daily temperature was below normal while Waterloo had 9 days below normal.Figure 1: Average Monthly Temperature Departure from Mean for the month of December 2014.The majority of the state was 3 to 4 degrees above normal.ind chills dropped to 15 to 25 below zero over much of central Iowa Tuesday night the 30 th. Des Moines only recorded 6 days in which the average daily temperature was below normal while Waterloo had 9 days below normal.