05268000 - PLATTE RIVER AT ROYALTON, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 45o50'43" longtitude 94o17'40" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1C 1968-11-05 13:25 265.0 No 1D 1969-08-21 11:30 49.0 Yes 1E 1972-04-18 14:20 1130.0 Not Determined 2 1972-05-08 9:45 506.0 Not Determined 3 1972-07-24 14:55 5020.0 Not Determined 4 1972-07-26 9:45 5480.0 Not Determined 5 1972-08-08 8:15 1470.0 Not Determined 5A 1972-10-18 9:00 186.0 Not Determined 6 1973-03-21 9:30 1110.0 Not Determined 7 1973-05-02 10:55 206.0 Not Determined 7A 1973-09-12 11:20 106.0 Not Determined 7B 1974-07-31 14:55 47.6 Not Determined 8 1975-04-17 10:15 891.0 Not Determined 8A 1975-08-22 12:20 46.6 Not Determined 9 1976-03-31 13:20 1840.0 Not Determined 9A 1976-06-03 11:10 53.9 Not Determined 9C 1976-09-29 10:40 3.89 Yes 10 1978-04-25 7:55 376.0 Not Determined 10A 1978-05-22 14:00 113.0 Not Determined 11 1978-06-07 16:10 339.0 Not Determined 11A 1978-09-05 15:30 75.7 Not Determined 12 1979-04-11 10:15 906.0 Not Determined 13 1979-05-23 13:00 555.0 Not Determined 14 1981-07-06 16:12 298.0 Not Determined 15 1983-03-09 17:22 2330.0 Not Determined 16 1984-04-05 18:10 642.0 Not Determined 17 1984-05-11 9:05 823.0 Not Determined 18 1984-06-13 12:15 1060.0 Not Determined 19 1984-09-27 10:10 443.0 Not Determined 20 1986-04-04 16:20 2370.0 Not Determined 21 1986-05-13 14:15 2390.0 Not Determined 22 1986-09-03 11:30 470.0 Not Determined 23 1987-05-08 11:07 105.0 Not Determined 24 1988-03-18 13:05 164.0 Not Determined 25 1988-06-16 15:15 6.21 Not Determined 26 1990-04-30 Not Available 190.0 Not Determined 27 1991-03-26 17:15 1320.0 Not Determined 28 1992-03-07 15:00 353.0 Not Determined 29 1993-07-13 15:00 1010.0 Not Determined 30 1996-04-16 14:25 1580.0 Not Determined 31 1997-04-04 16:30 3310.0 Not Determined 32 1998-04-15 8:40 375.0 No 33 1999-03-29 16:25 183.0 No 34 2001-04-10 17:15 3400.0 Not Determined 35 2003-06-26 9:46 2120.0 No 1 1936-10-08 Not Available 4.73 Not Determined 1A 1936-11-19 Not Available 16.6 Not Determined 1B 1936-12-15 Not Available 4.93 Not Determined 9B 1976-08-17 Not Available 5.43 Yes Notes: 1 Regulation includes human influences on streamflow from causes such as hydropower, reservoirs, water supplies, or wastewater discharges. 2 Base flow is defined as a period of at least 10-14 days without precipitation that produces detectable runoff.