Observed and urbanization-adjusted annual maximum peak discharge and associated urban fraction and precipitation values at USGS streamgage:
05536178 PLUM CREEK NEAR 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
1955 1 7 0 0.028 3.370 2480 3620 0.053
1966 1 -- 0 0.056 1.515 2080 3020 0.093
1967 1 -- 0 0.059 1.177 991 1580 0.509
1968 1 -- 0 0.061 1.580 1390 2090 0.284
1969 1 -- 0 0.064 0.496 916 1460 0.574
1970 1 -- 0 0.066 1.490 1330 2010 0.315
1971 1 -- 0 0.074 0.973 430 796 0.896
1972 1 -- 0 0.081 1.265 816 1300 0.658
1973 1 -- 0 0.089 0.920 1860 2640 0.147
1974 1 -- 0 0.096 0.983 1380 2020 0.310
1975 1 -- 0 0.104 1.339 1600 2260 0.222
1976 1 -- 0 0.111 1.567 914 1390 0.613
1977 1 -- 0 0.119 0.722 285 545 0.957