At 9 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.91 inHg and the temperature at 59.0 F.
On Oct 6 the noon sun stands 47 degrees above the horizon at 37.39 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.