A barograph is a barometer that records the barometric pressure over time in graphical form. This instrument is also used to make a continuous recording of atmospheric pressure.

What is unit of barograph?

A barometer measures atmospheric pressure in units of measurement called atmospheres or bars. An atmosphere (atm) is a unit of measurement equal to the average air pressure at sea level at a temperature of 15 degrees Celsius (59 degrees Fahrenheit).

What do you do with the recorded barogram paper?

After a barogram is complete and removed from the drum, it should be marked Lat, Long, Dates and comparison with a barometer for the benefit of the Met office. These records along with weather log books are handed over to the meteorological office of the home port.