The lowest monthly average temperature in Santee for December is 56 degrees. The most monthly precipitation in Santee occurs in January with 0 inches. The air quality index in Santee is 22% worse than the national average. The pollution index in Santee is 96% better than the national average.
According to the US Census Bureau's population clock, the estimated 2015 United States population (July 2015) is over 321.3 million. This differs a bit from the 325.1 million estimated by the United Nations.
The smallest nation is Vatican City, which has a population of under 1000 and has a Swiss Guard regiment of 110. Nauru is also fairly small, having a population of 10000 and 23 guns among 100 police officers. If the country from 1000 years ago were placed geographically adjacent to the modern one, the country from 1000 years ago would definitely win. There is only so much ammo the Swiss guards ...