05272300 - JOHNSON CREEK NEAR ST. AUGUSTA, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 45o27'49" longtitude 94o09'19" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1963-10-03 3:35 6.21 Yes 2 1964-04-14 3:10 67.8 Yes 3 1964-05-01 10:00 29.2 Yes 4 1964-05-12 12:35 78.4 Yes 5 1964-06-12 3:10 11.0 Yes 6 1964-07-09 9:35 4.65 Yes 7 1965-04-15 16:45 458.0 Yes 8 1965-06-16 11:00 39.6 Yes 9 1965-07-08 2:30 38.7 Yes 10 1965-09-01 3:25 15.7 Yes 11 1967-03-29 14:10 83.0 Yes 12 1967-03-31 14:55 312.0 Yes 13 1967-04-24 14:45 18.3 Yes 14 1968-03-28 9:40 23.4 Yes 15 1968-05-17 11:00 23.4 Yes 16 1968-06-22 18:45 23.6 Yes 17 1968-07-25 15:25 6.43 Yes 18 1968-08-29 10:40 6.51 Yes 19 1968-10-11 9:40 13.7 Yes 20 1969-04-05 14:45 252.0 Yes 21 1969-04-15 16:10 177.0 Yes 21A 1969-08-21 15:50 5.17 Yes 21B 1970-08-19 13:05 6.46 Yes 22 1971-03-31 14:24 136.0 Yes 23 1971-04-08 9:25 98.2 Yes 24 1971-05-13 10:50 17.3 Not Determined 25 1971-06-15 9:10 24.0 Yes 26 1972-07-25 13:40 74.0 Yes 27 1973-03-28 11:20 55.2 Yes 28 1974-09-18 12:10 8.22 Yes 29 1975-04-21 15:30 172.0 Yes 30 1975-05-15 8:45 40.7 Yes 31 1975-06-11 Not Available 28.4 Not Determined 32 1975-07-15 11:30 23.5 Not Determined 33 1975-09-30 12:28 11.6 Not Determined 34 1975-11-05 8:30 14.1 Yes 35A 1976-08-18 Not Available 4.01 No 35 1977-03-24 16:50 16.7 Yes 36 1977-04-01 4:15 24.2 Yes 37 1978-03-27 11:26 97.7 Yes 38 1978-05-23 Not Available 22.4 Yes 39 1978-06-06 15:40 23.7 Yes 40 1979-04-11 15:30 142 Yes 41 1979-05-10 16:30 670 Yes 42 1981-06-18 10:30 53.5 Yes 43 1981-07-06 11:00 15.1 Yes 44 1981-09-02 12:10 10.6 Yes 45 1981-10-14 9:50 53.2 Yes 46 1982-05-21 13:53 47.3 Yes 47 1982-09-29 10:08 17.4 Yes 48 1983-04-01 13:20 89.7 Yes 49 1983-06-26 14:30 560 Yes 50 1983-07-05 15:55 110 Yes 51 1983-07-15 11:30 31.5 Yes 52 1983-08-23 9:34 27.4 Yes 53 1983-09-30 11:43 50.1 Yes 54 1984-05-15 16:38 57.1 Yes 55 1984-06-12 17:58 198 Yes 56 1985-03-19 13:37 40.1 Yes 57 1985-09-09 11:20 1970 Not Determined 58 1988-04-25 15:53 13.0 Yes 58A 1988-07-06 7:50 0.65 Not Determined 59 1989-03-27 17:30 52.0 Not Determined 60 1989-03-27 17:30 52.0 Not Determined 61 1990-03-14 10:50 54.5 Yes 62 1991-03-21 16:40 55.0 Yes 63 1991-03-26 14:51 103 Yes 64 1991-07-19 9:40 26.1 Yes 65 1992-03-07 17:05 150 Yes 66 1995-07-28 11:35 17.3 Not Determined 67 1999-05-13 10:55 155 Not Determined 68 2003-04-22 8:15 135 Not Determined 69 2005-04-13 12:29 143 Not Determined 70 2008-11-05 12:53 10.4 Yes 71 2009-03-23 15:40 282 Not Determined 72 2010-03-16 8:21 208 Not Determined 73 2011-03-21 11:16 199 Not Determined 74 2011-07-18 14:29 218 Not Determined 75 2011-10-05 13:07 17.2 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.