c     ------------------------------------------------------------------
c     file 'w1pavg.inc'
c
c     This common block contains the state variables relating to
c     the monthly average WERM weather parameters.
c
c     Parameter include files:
c
c     + + + VARIABLE DECLARATIONS + + +
c
      real             awtmmx
      real             awtmmn
      real             awdair
      real             awztpt
      real             awtpav
      real             awupav
      real             awnuet
      real             aweuet
c
      common / w1pavg /
     r                  awtmmx, awtmmn, awdair, awztpt, awtpav,
     r                  awupav, awnuet, aweuet
c
c     + + + VARIABLE DEFINITIONS + + +
c
c     awtmmx - Maximum monthly air temperature (deg C) average
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the average for the month
c              of the maximum daily air temperature.
c
c     awtmmn - Minimum monthly air temperature (deg C) average
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the average of the month
c              of the minimum daily air temperature.
c
c     awdair - Average air density (Kg/m^3) for the month
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the average of the monthly
c              air density.
c
c     awzppt - Total period precipitation (mm)
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the value of the total period
c              precipitation.
c
c     awtpav - Mean period air temperature (deg C)
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the value of the mean period
c              air temperature.
c
c     awupav - Average daily daily windspeed (m/s)
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the value of the average daily
c              windspeed the simulation period.
c
c     awnuet - Number of days wind speed exceeds threshold
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the number of days the wind
c              speed exceeds the threshold.
c
c     aweuet - Total wind energy exceeding threshold (MJ)
c
c              range values       min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the value of the total wind
c              energy that exceeds the threasold.
c
c     ------------------------------------------------------------------