At 100 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.81 inHg and the temperature at 58.6 F.
On Oct 6 the noon sun stands 47 degrees above the horizon at 37.45 N, and the day is 11 h 27 min long. Level ground there takes 73 per cent of the noon sunlight a surface facing the sun would.