Simple as can be. As this post is written (August 2014) there is no GMO popcorn on store shelves nor is there any available for farmers to grow. I raise popcorn for Weaver Popcorn, and they currently have no plans to explore any biotech traits.
Cold-Weather Concreting. Concrete can be placed safely without damage from. freezing throughout the winter months in cold climates if. certain precautions are taken. Cold weather is defined by. ACI Committee 306 as a period when for mor e than 3 suc-. cessive days the average daily air temperature drops. below 5Â°C (40Â°F) and stays below 10Â°C (50Â°F) for more.
The cold season lasts for 3.0 months, from December 3 to March 5, with an average daily high temperature below 41Â°F. The coldest day of the year is January 18, with an average low of 19Â°F and high of 31Â°F.