Observed and urbanization-adjusted annual maximum peak discharge and associated urban fraction and precipitation values at USGS streamgage:
05536179 HART DITCH AT DYER, IN

Observed annual peak-flood magnitudes were adjusted to 2010 land-use conditions on the basis of panel data regression model with fixed effect analysis. The symbols presented in the figure are: "observed annual peaks", "adjusted annual peaks", and "fraction of urbanization in the watershed"

Legend for Graph

Water year Segment Discharge code Cumulative reservoir storage (acre-feet) Urban fraction Precipitation (inches) Observed peak discharge (ft3/s) Adjusted peak discharge (ft3/s) Exceedance probability
1990 1 -- 0 0.218 1.569 927 1240 0.526
1991 1 -- 0 0.226 3.016 3010 3650 0.023
1992 1 E 0 0.234 0.532 631 868 0.775
1993 1 -- 0 0.242 1.853 1110 1430 0.408
1994 1 -- 0 0.250 0.981 1590 1960 0.181
1995 1 E 0 0.257 1.021 721 950 0.725
1996 1 -- 0 0.265 3.328 1420 1740 0.252
1997 1 -- 0 0.273 2.058 1650 1990 0.175
1998 1 -- 0 0.281 1.845 1230 1510 0.364
1999 1 -- 0 0.289 0.607 1080 1330 0.469
2000 1 -- 0 0.297 1.290 950 1170 0.578
2001 1 -- 0 0.315 0.692 1120 1340 0.463
2002 1 -- 0 0.332 1.680 1120 1310 0.478
2003 1 -- 0 0.350 1.242 887 1030 0.669
2004 1 -- 0 0.368 0.880 453 543 0.932
2005 1 -- 0 0.386 1.173 1170 1290 0.491
2006 1 -- 0 0.404 3.231 1430 1540 0.346
2007 1 -- 0 0.422 2.010 2660 2790 0.058
2008 1 -- 0 0.440 4.328 3110 3200 0.038
2009 1 -- 0 0.457 1.171 1450 1480 0.381