On average, January is the most humid. On average, July is the least humid month. The average annual percentage of humidity is: 50.0% The mean monthly relative humidity over the year in Calgary, Canada. Data from nearest weather station: Great Falls, United States of America (441.4 KM). More climate information
toll 1. (tÅl) n. 1. A fixed charge or tax for a privilege, especially for passage across a bridge or along a road. 2. A charge for a service, such as a telephone call to another country. 3. An amount or extent of loss or destruction, as of life, health, or property: Poverty and inadequate health care take their toll on the quality of a community's health (Los Angeles Times).
The WSTC reviews traffic and revenue each year to determine whether new toll rates are needed to cover operational costs and debt payments. This review process starts in the fall and, if new rates are adopted, they are in effect the following July. Learn more about toll rate setting process.