The timestep in years used in the solver within SIBERIA (TimeStep <1).
1/Timestep should be an integer. If it isn't SIBERIA will round to nearest
appropriate number that divides evenly into 1.0.
2
StatTime
Period between diagnostic statistics (years)
Period in years between the output of diagnostic statistics of
the run. NOTE: If these data are required at very frequent intervals this
file can be very large. Typically you should set StatTime>RunTime so
you only get this data at the beginning and the end of the run