Dive summary:

• Evaporation rate is crucial information for pouring concrete, so Holcim offers a phone app for Android, Apple 4 and 4S and Blackberry phones that delivers climate data for any city of ZIP code in the U.S. and now has been expanded for global use.
• The application, which also can run on tablets and laptops, converts temperatures between Celsius and Fahrenheit and other measurements between English and metric.
• Wind speeds and temperature and humidity are combined with data about the concrete mix involved to give four days' worth of guidance about pouring conditions.

From the article:

The application, launched in January 2012, is designed to help construction professionals determine the quality of conditions for placing concrete. ...