      subroutine   midwin
      common /sixs_atm/z(34),p(34),t(34),wh(34),wo(34)
      real z3(34),p3(34),t3(34),wh3(34),wo3(34)
      real z,p,t,wh,wo
      integer i
c
c     model: midlatitude winter mc clatchey
c
      data(z3(i),i=1, 34)/
     1    0.,    1.,    2.,    3.,    4.,    5.,    6.,    7.,    8.,
     2    9.,   10.,   11.,   12.,   13.,   14.,   15.,   16.,   17.,
     3   18.,   19.,   20.,   21.,   22.,   23.,   24.,   25.,   30.,
     4   35.,   40.,   45.,   50.,   70.,  100.,99999./
      data (p3(i),i=1,34) /
     a1.018e+03,8.973e+02,7.897e+02,6.938e+02,6.081e+02,5.313e+02,
     a4.627e+02,4.016e+02,3.473e+02,2.992e+02,2.568e+02,2.199e+02,
     a1.882e+02,1.610e+02,1.378e+02,1.178e+02,1.007e+02,8.610e+01,
     a7.350e+01,6.280e+01,5.370e+01,4.580e+01,3.910e+01,3.340e+01,
     a2.860e+01,2.430e+01,1.110e+01,5.180e+00,2.530e+00,1.290e+00,
     a6.820e-01,4.670e-02,3.000e-04,0.000e+00/
      data (t3(i),i=1,34) /
     a2.722e+02,2.687e+02,2.652e+02,2.617e+02,2.557e+02,2.497e+02,
     a2.437e+02,2.377e+02,2.317e+02,2.257e+02,2.197e+02,2.192e+02,
     a2.187e+02,2.182e+02,2.177e+02,2.172e+02,2.167e+02,2.162e+02,
     a2.157e+02,2.152e+02,2.152e+02,2.152e+02,2.152e+02,2.152e+02,
     a2.152e+02,2.152e+02,2.174e+02,2.278e+02,2.432e+02,2.585e+02,
     a2.657e+02,2.307e+02,2.102e+02,2.100e+02/
      data (wh3(i),i=1,34) /
     a3.500e+00,2.500e+00,1.800e+00,1.200e+00,6.600e-01,3.800e-01,
     a2.100e-01,8.500e-02,3.500e-02,1.600e-02,7.500e-03,6.900e-03,
     a6.000e-03,1.800e-03,1.000e-03,7.600e-04,6.400e-04,5.600e-04,
     a5.000e-04,4.900e-04,4.500e-04,5.100e-04,5.100e-04,5.400e-04,
     a6.000e-04,6.700e-04,3.600e-04,1.100e-04,4.300e-05,1.900e-05,
     a6.300e-06,1.400e-07,1.000e-09,0.000e+00/
      data (wo3(i),i=1,34) /
     a6.000e-05,5.400e-05,4.900e-05,4.900e-05,4.900e-05,5.800e-05,
     a6.400e-05,7.700e-05,9.000e-05,1.200e-04,1.600e-04,2.100e-04,
     a2.600e-04,3.000e-04,3.200e-04,3.400e-04,3.600e-04,3.900e-04,
     a4.100e-04,4.300e-04,4.500e-04,4.300e-04,4.300e-04,3.900e-04,
     a3.600e-04,3.400e-04,1.900e-04,9.200e-05,4.100e-05,1.300e-05,
     a4.300e-06,8.600e-08,4.300e-11,0.000e+00/
      do 1 i=1,34
      z(i)=z3(i)
      p(i)=p3(i)
      t(i)=t3(i)
      wh(i)=wh3(i)
      wo(i)=wo3(i)
    1 continue
      return
      end
