The PDM state files (sfilein) contain the following data:
0
5  123456
79.48435      4.6171375E-02  0.0000000E+00  0.0000000E+00  0.0000000E+00
The third line of this file contains data about:
(1) Soil moisture content (mm)
(2) baseflow (mm/hr)
(3) surface flow (mm/hr)
(4) previous surface flow (mm/hr)
(5) inflow into surface flow store