At 840 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.02 inHg and the temperature at 56.0 F.
On Oct 4 the noon sun stands 48 degrees above the horizon at 37.24 N, and the day is 11 h 32 min long. Level ground there takes 75 per cent of the noon sunlight a surface facing the sun would.