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 coldest day of 2013 was December 24, with a low temperature of -15Â°F. For reference, on that day the average low temperature is 17Â°F and the low temperature drops below 0Â°F only one day in ten. The coldest month of 2013 was December with an average daily low temperature of 11Â°F.