Table 2: Statistical summary of the SUFI-2 hydrological calibration procedure.

Gauge stationCalibration
Period -factor -factor NSEPbiasRSR

USGS 03584600Jan-2004/Dec-20070.670.820.840.5235.78%0.70
USGS 03588500Jan-2001/Dec-20050.780.990.690.68−6.91%0.57
USGS 0357479650Jan-1999/Dec-20040.520.670.620.54−21.58%0.68
USGS 03574500Jan-1991/Dec-20000.630.880.710.5720.93%0.66
USGS 03586500Jan-1991/Dec-20000.540.660.900.87−16.61%0.35

Validation
USGS 03584600Jan-2008/Dec-20100.390.580.530.4913.54%0.72
USGS 03588500Jan-2006/Dec-20100.650.800.870.8412.82%0.40
USGS 0357479650Jan-2005/Dec-20100.350.680.780.18−83.94%0.90
USGS 03574500Jan-2001/Dec-20100.410.80.590.514.03%0.70
USGS 03586500Jan-2001/Dec-20100.820.810.830.80−16.75%0.45

USGS 03584600: Elk River at Prospect, TN; USGS 03588500: Shoal Creek at Iron City, TN; USGS 0357479650: Hester Creek near Plevna, AL; USGS 03574500: Paint Rock River near Woodville, AL; USGS 03586500: Big Nance Creek at Courtland, AL. NSE: Nash-Sutcliffe efficiency coefficient; Pbias: percent bias; RSR: ratio of the root mean square error to the standard deviation of measured data.