A data frame with 70 observations on the following 11 variables.
V1
a vector with pressure values (hPa)
V2
a vector with height (m)
V3
a vector with temperature values (Celsius)
V4
a vector with dew point temperature values (Celsius)
V5
a vector with relative humidity values (%)
V6
a vector with mixing ratio values (g/kg)
V7
a vector with wind direction values (degrees)
V8
a vector with wind speed values (knots)
V9
a vector with potential temperature (K)
V10
a vector with equivalent potential temperature (K)
V11
a vector with virtual potential temperature (K)