The Observatory main purpose is to contribute to the monitoring of global climate change monitoring standard meteorological parameters. The automatic weather station AWS Modesta is located on the Priestley Nèvè (74° 37′ 35″ S - 164° 0′ 40″ E) at 1924 m a.s.l., and has been installed on the 1 February 1989. It acquired, every hour, all year round, the meteorological vaiables of wind velocity, wind direction, temperature, pressure and relative humidity, plus snow height acquired as daily averages.