np.mean https://numpy.org/doc/stable/reference/generated/numpy.mean.html
np.std
Var Name: #YY MM DD hh mm WDIR WSPD GST WVHT DPD APD MWD PRES ATMP WTMP DEWP VIS TIDE Units: #yr mo dy hr mn degT m/s m/s m sec sec degT hPa degC degC degC mi ft
DEWP, VIS, & TIDE are always missing, so they were removed from the data set