05077700 - RUFFY BROOK NEAR GONVICK, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 47o44'50" longtitude 95o24'45" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1957-03-26 Not Available 68.5 Not Determined 2 1957-04-03 Not Available 22.6 Not Determined 3 1957-04-18 Not Available 23.3 Not Determined 4 1957-04-24 Not Available 118.0 Not Determined 5 1957-05-24 Not Available 9.63 Yes 6 1957-06-17 Not Available 6.67 Yes 7 1957-06-27 Not Available 194.0 Not Determined 8 1957-07-17 Not Available 7.57 Yes 9 1957-08-20 Not Available 2.3 Not Determined 10 1957-09-05 Not Available 6.09 Not Determined 11 1957-10-24 Not Available 5.03 Not Determined 12 1957-11-22 Not Available 4.73 Not Determined 13 1958-03-25 Not Available 2.75 Not Determined 14 1958-04-08 Not Available 5.53 Not Determined 15 1958-05-23 Not Available 3.49 Not Determined 16 1958-06-18 Not Available 11.8 Not Determined 17 1958-07-23 Not Available 9.32 Not Determined 18 1958-08-20 Not Available 0.61 Not Determined 19 1958-09-22 Not Available 0.82 Not Determined 20 1959-03-28 Not Available 41.6 Not Determined 21 1959-04-07 Not Available 21.1 Not Determined 22 1959-05-19 Not Available 24.3 Not Determined 23 1959-06-16 Not Available 11.6 Yes 24 1959-07-24 Not Available 4.27 Yes 25 1959-08-14 Not Available 3.93 Yes 26 1959-09-16 Not Available 0.97 Yes 27 1959-09-29 Not Available 1.45 Yes 28 1959-10-14 Not Available 2.62 Not Determined 29 1960-03-30 Not Available 20.2 Not Determined 30 1960-04-05 Not Available 17.9 Not Determined 31 1960-04-07 Not Available 62.3 Not Determined 32 1960-04-12 Not Available 30.7 Not Determined 33 1960-04-20 Not Available 25.6 Not Determined 34 1960-05-18 Not Available 6.87 Yes 35 1960-06-02 Not Available 11.1 Not Determined 36 1960-06-29 Not Available 23.2 Not Determined 37 1960-08-01 Not Available 0.97 Not Determined 38 1960-09-07 Not Available 2.44 Not Determined 280 1978-04-07 Not Available 387.0 No 281 1978-04-09 Not Available 215.0 No 287 1979-04-18 Not Available 238.0 No 288 1979-04-20 Not Available 257.0 No 292 1982-04-15 Not Available 217.0 No 304 1986-03-31 Not Available 160.0 Not Determined 305 1986-04-16 Not Available 23.7 Not Determined 306 1986-05-21 Not Available 20.6 Not Determined 307 1986-06-23 Not Available 16.6 Not Determined 308 1986-07-22 Not Available 4.98 Not Determined 309 1986-08-27 Not Available 2.24 Not Determined 310 1986-09-30 Not Available 5.54 Not Determined 311 1987-10-14 Not Available 3.36 Not Determined 312 1987-10-28 Not Available 2.93 Not Determined 313 1988-06-16 Not Available 2.65 Not Determined 314 1989-04-07 Not Available 91.2 Not Determined 315 1989-04-19 Not Available 93.2 Not Determined 316 1991-04-03 Not Available 15.0 Not Determined 317 1992-08-24 Not Available 56.8 Not Determined 318 1993-03-29 Not Available 85.7 Not Determined 319 1993-08-19 Not Available 11.3 Not Determined 320 1994-07-14 Not Available 33.7 Not Determined 321 1996-04-16 13:05 86.4 Not Determined 322 1996-04-19 15:10 389.0 Not Determined 323 1997-04-05 17:45 212.0 Not Determined 324 1998-02-28 17:20 66.9 Not Determined 325 1999-03-29 Not Available 137.0 Not Determined 326 1999-04-08 15:15 116.0 No 327 2000-06-23 11:50 130.0 Not Determined 328 2001-04-04 12:55 35.9 Not Determined 329 2001-04-11 7:50 140.0 Not Determined 330 2002-06-21 12:10 87.6 Not Determined 331 2002-06-24 10:25 168.0 Not Determined 332 2004-04-01 14:43 34.2 No 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.