Observed and urbanization-adjusted annual maximum peak discharge and associated urban fraction and precipitation values at USGS streamgage:
05518000 KANKAKEE RIVER AT SHELBY, IN
| 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 |
| 1940 | 1 | -- | 7303 | 0.016 | 0.447 | 3600 | 4010 | 0.735 |
| 1941 | 1 | -- | 7303 | 0.017 | 0.270 | 2150 | 2450 | 0.898 |
| 1942 | 1 | -- | 7303 | 0.018 | 0.161 | 4260 | 4710 | 0.646 |
| 1943 | 1 | -- | 7303 | 0.018 | 0.533 | 6350 | 6930 | 0.374 |
| 1944 | 1 | -- | 7303 | 0.019 | 0.685 | 4820 | 5300 | 0.571 |
| 1945 | 1 | -- | 7303 | 0.019 | 0.055 | 3550 | 3940 | 0.744 |
| 1946 | 1 | -- | 7303 | 0.020 | 0.680 | 3200 | 3570 | 0.785 |
| 1947 | 1 | -- | 7303 | 0.021 | 0.592 | 3970 | 4380 | 0.687 |
| 1948 | 1 | -- | 7303 | 0.021 | 0.310 | 4420 | 4860 | 0.628 |
| 1949 | 1 | -- | 7303 | 0.022 | 0.214 | 3500 | 3880 | 0.752 |
| 1950 | 1 | -- | 7303 | 0.022 | 0.019 | 5910 | 6440 | 0.425 |
| 1951 | 1 | -- | 7303 | 0.023 | 0.341 | 3890 | 4280 | 0.700 |
| 1952 | 1 | -- | 7303 | 0.024 | 0.923 | 4200 | 4610 | 0.658 |
| 1953 | 1 | -- | 7303 | 0.025 | 0.179 | 2650 | 2960 | 0.851 |
| 1954 | 1 | -- | 7303 | 0.026 | 0.379 | 3620 | 3990 | 0.738 |
| 1955 | 1 | -- | 7303 | 0.027 | 0.057 | 5040 | 5480 | 0.544 |
| 1956 | 1 | -- | 7303 | 0.028 | 0.702 | 4540 | 4950 | 0.618 |
| 1957 | 1 | -- | 7303 | 0.029 | 0.762 | 4240 | 4630 | 0.656 |
| 1958 | 1 | -- | 7303 | 0.030 | 1.234 | 3480 | 3820 | 0.758 |
| 1959 | 1 | | 7303 | 0.031 | 0.082 | 5100 | 5530 | 0.538 |
| 1960 | 1 | -- | 7303 | 0.031 | 0.025 | 4160 | 4530 | 0.668 |
| 1961 | 1 | -- | 7303 | 0.032 | 0.179 | 4640 | 5030 | 0.608 |
| 1962 | 1 | -- | 7303 | 0.033 | 0.439 | 4840 | 5240 | 0.580 |
| 1963 | 1 | -- | 7303 | 0.034 | 0.139 | 3410 | 3730 | 0.768 |
| 1964 | 1 | 2 | 8057 | 0.035 | 0.286 | 2200 | 2440 | 0.899 |
| 1965 | 1 | -- | 8057 | 0.035 | 0.741 | 3760 | 4090 | 0.725 |
| 1966 | 1 | -- | 8057 | 0.036 | 0.257 | 4270 | 4620 | 0.657 |
| 1967 | 1 | -- | 8057 | 0.037 | 0.431 | 4770 | 5140 | 0.595 |
| 1968 | 1 | -- | 8057 | 0.038 | 0.053 | 5020 | 5400 | 0.556 |
| 1969 | 1 | -- | 8057 | 0.038 | 0.238 | 4770 | 5130 | 0.596 |
| 1970 | 1 | -- | 8057 | 0.039 | 1.574 | 4030 | 4350 | 0.691 |
| 1971 | 1 | -- | 8057 | 0.041 | 0.398 | 3590 | 3880 | 0.752 |
| 1972 | 1 | -- | 8057 | 0.043 | 0.370 | 4220 | 4530 | 0.668 |
| 1973 | 1 | -- | 8057 | 0.045 | 0.382 | 5060 | 5400 | 0.556 |
| 1974 | 1 | -- | 8057 | 0.047 | 0.865 | 4700 | 5010 | 0.611 |
| 1975 | 1 | -- | 8057 | 0.049 | 0.525 | 4720 | 5020 | 0.609 |
| 1976 | 1 | -- | 8057 | 0.050 | 0.823 | 5200 | 5510 | 0.540 |
| 1977 | 1 | -- | 17057 | 0.052 | 0.470 | 4250 | 4510 | 0.671 |
| 1978 | 1 | -- | 17057 | 0.054 | 0.970 | 5490 | 5790 | 0.502 |
| 1979 | 1 | -- | 17057 | 0.056 | 0.834 | 5420 | 5700 | 0.513 |
| 1980 | 1 | -- | 17057 | 0.058 | 0.134 | 4030 | 4250 | 0.704 |
| 1981 | 1 | | 17057 | 0.059 | 0.192 | 6200 | 6490 | 0.419 |
| 1982 | 1 | | 17057 | 0.060 | 0.225 | 7650 | 7970 | 0.285 |
| 1983 | 1 | -- | 17057 | 0.061 | 0.414 | 5120 | 5360 | 0.561 |
| 1984 | 1 | -- | 17108 | 0.062 | 0.226 | 4290 | 4500 | 0.672 |
| 1985 | 1 | -- | 17108 | 0.063 | 0.017 | 6340 | 6610 | 0.406 |
| 1986 | 1 | -- | 17108 | 0.064 | 0.510 | 4700 | 4910 | 0.622 |
| 1987 | 1 | -- | 17108 | 0.065 | 0.203 | 4450 | 4650 | 0.654 |
| 1988 | 1 | -- | 17108 | 0.066 | 0.381 | 4300 | 4490 | 0.674 |
| 1989 | 1 | -- | 17108 | 0.067 | 0.726 | 4830 | 5030 | 0.609 |
| 1990 | 1 | -- | 17108 | 0.068 | 0.440 | 5150 | 5350 | 0.563 |
| 1991 | 1 | -- | 17108 | 0.070 | 0.229 | 5660 | 5860 | 0.493 |
| 1992 | 1 | -- | 17108 | 0.073 | 0.385 | 2820 | 2940 | 0.852 |
| 1993 | 1 | -- | 17108 | 0.075 | 0.346 | 5580 | 5750 | 0.507 |
| 1994 | 1 | -- | 17108 | 0.077 | 0.143 | 5480 | 5630 | 0.523 |
| 1995 | 1 | -- | 17108 | 0.079 | 0.197 | 4430 | 4550 | 0.666 |
| 1996 | 1 | -- | 17108 | 0.081 | 0.242 | 5480 | 5600 | 0.527 |
| 1997 | 1 | -- | 17108 | 0.083 | 0.334 | 5850 | 5970 | 0.480 |
| 1998 | 1 | -- | 17108 | 0.086 | 0.351 | 5220 | 5310 | 0.568 |
| 1999 | 1 | -- | 17108 | 0.088 | 0.215 | 5160 | 5240 | 0.579 |
| 2000 | 1 | -- | 17108 | 0.090 | 0.624 | 4480 | 4540 | 0.667 |
| 2001 | 1 | -- | 17108 | 0.091 | 1.278 | 4600 | 4660 | 0.652 |
| 2002 | 1 | -- | 17108 | 0.092 | 0.282 | 5110 | 5160 | 0.590 |
| 2003 | 1 | -- | 17108 | 0.093 | 0.532 | 4510 | 4550 | 0.665 |
| 2004 | 1 | -- | 17108 | 0.094 | 0.027 | 3570 | 3600 | 0.781 |
| 2005 | 1 | -- | 17108 | 0.095 | 0.411 | 5570 | 5610 | 0.527 |
| 2006 | 1 | -- | 17108 | 0.097 | 0.098 | 3500 | 3520 | 0.790 |
| 2007 | 1 | -- | 17108 | 0.098 | 0.399 | 5500 | 5520 | 0.539 |
| 2008 | 1 | -- | 17108 | 0.099 | 0.029 | 6230 | 6250 | 0.447 |
| 2009 | 1 | -- | 17108 | 0.100 | 0.455 | 6460 | 6470 | 0.422 |