Abundant evidence supports the major contentions of the seafloor-spreading theory. First, samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached, and the sediment cover is thinner near the ridge.irst, samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached, and the sediment cover is thinner near the ridge.
Polk County Weather. The average temperature of Polk County is 72.96Â°F, which is higher than the Florida average temperature of 71.80Â°F and is much higher than the national average temperature of 54.45Â°F. Historical Weather. Heating Cost Index, #14.
Gainesville, Florida, gets 52 inches of rain per year. The US average is 37. Snowfall is 0 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 113. On average, there are 224 sunny days per year in Gainesville, Florida. The July high is around 92 degrees. The January low is 43. Our comfort index, which is based on humidity during the hot months, is a 28 out of 100, where higher is more comfortable. The US average on the comfort index is 44.