05355024 - CANNON RIVER AT NORTHFIELD MN Streamflow potentially affected by regulation1 - Yes Location.-- latitude 44o27'19" longtitude 93o09'46" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1972-03-24 Not Available 1278.0 Not Determined 2 1973-05-02 13:50 7510.0 Not Determined 3 1979-04-06 13:40 2130.0 Not Determined 4 1979-08-29 12:45 3740.0 Not Determined 5 1979-08-29 15:35 4100.0 Not Determined 6 1984-05-03 13:20 4700.0 Not Determined 7 1986-03-25 12:12 4260.0 Not Determined 8 1988-06-29 18:07 102.0 Not Determined 9 1992-03-02 15:40 2260.0 Not Determined 10 1995-09-14 13:50 211.0 Yes 11 1996-04-11 8:52 1060.0 No 12 1996-05-07 8:45 687.0 No 13 1996-06-20 14:40 2080.0 No 14 1996-07-22 11:50 198.0 Yes 15 1996-08-21 12:30 131.0 Yes 16 1997-03-31 11:25 2940.0 No 17 1999-11-16 13:50 169.0 Not Determined 18 2000-04-10 13:40 249.0 Not Determined 19 2000-05-22 10:55 1850.0 Not Determined 20 2000-06-03 9:25 4460.0 No 21 2000-10-05 13:50 114.0 Not Determined 22 2001-06-18 12:15 4590.0 Not Determined 23 2002-04-09 14:15 269.0 Not Determined 24 2005-04-01 12:40 3330.0 Not Determined 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.