baseline pressure: 1011.85 mb
1011.84
relative altitude:  0.1 meters,  0 feet
1011.89
relative altitude: -0.3 meters, -1 feet
1011.89
relative altitude: -0.3 meters, -1 feet
1011.85
relative altitude:  0.0 meters,  0 feet
1011.86
relative altitude: -0.1 meters, -0 feet
1011.87
relative altitude: -0.2 meters, -1 feet
1011.90
relative altitude: -0.4 meters, -1 feet
1011.83
relative altitude:  0.2 meters,  0 feet
1011.89
relative altitude: -0.3 meters, -1 feet
1011.90
relative altitude: -0.4 meters, -1 feet
1011.86