USGS Water-Year Summary for Site 06893830

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	Available Parameters
	00010 Temperature, water(Mean,Min.,Max.)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	63680 Turbidity, Form Neph(Min.,Max.,Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

06893830 ADAIR CREEK AT INDEPENDENCE, MO

LOCATION - Lat 39°02'16", long 94°21'48" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 NW 1/4 sec.29, T.49 N., R.31 W., Jackson County, MO, Hydrologic Unit 10300101, near concrete culvert next to old 71 Highway bypass, approximately 1.0 mi above the confluence with the Little Blue River.

DRAINAGE AREA - 5.14 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD -

Oct 6, 2008 to Jan 31, 2018.

Sep 22, 2020 to current.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 745.40 ft above NAVD of 1988.

REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Oct 2008 to Jan 2018. pH: Oct 2008 to Jan 2012. WATER TEMPERATURE: Oct 2008 to Jan 2018. DISSOLVED OXYGEN: Oct 2008 to Jan 2012. TURBIDITY: Oct 2008 to Jan 2012. Dec 2012 to Jan 2018.

REMARKS -

Interruptions or periods of missing record may be due to instrument failure, ice conditions, no flow conditions, or data corrections exceeding allowable criteria, which were deleted.

SPECIFIC CONDUCTANCE: For Water Year 2017, records are rated excellent, except for the following periods: Nov. 24-27, July 5, rated fair, Jan. 12-13, rated poor.

WATER TEMPERATURE: For Water Year 2017, records are rated excellent, except for the following periods: Jan. 12-13, rated poor.

TURBIDITY: For Water Year 2017, records are rated excellent except for the following periods: Nov. 24, Dec. 26, rated poor.

As of April 17, 2015, turbidity data collected using YSI EXO2 sensors (previously collected using YSI 6136 6-series sensors). Note that extreme values recorded using YSI EXO2 sensors may exceed those previously recorded using YSI 6136 sensors. Manufacturer specifications of range and accuracy for both sensor models are as follows: YSI 6136: 0 to 1000 FNU, ±2% of the reading or 0.3 NTU (whichever is greater). YSI EXO2: 0 to 999 FNU: 0.3 FNU or ±2% of reading (whichever is greater); 1000 to 4000 FNU: ±5% of reading.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 2,610 uS/cm, Feb. 27, 2011, but may have been higher during periods of missing record; minimum recorded, 99 uS/cm, Jul. 27, 2017.

pH: Maximum recorded 9.1 standard units, Jul. 24 and 26, 2010; minimum recorded, 6.9 standard units, Aug. 10-13, 16, 2010.

WATER TEMPERATURE: Maximum recorded, 33.4 °C, Aug. 14, 2010; minimum recorded, -0.1 °C, Dec. 9, 2009 and Jan. 13, 2012, but may have been lower during periods of missing record.

DISSOLVED OXYGEN: Maximum recorded, 18.8 mg/L, Apr. 13, 2011; minimum recorded, 1.3 mg/L, Aug. 31, 2010, Aug. 3, 2011.

TURBIDITY: Maximum recorded, 1,420 FNU, Aug 5., 2011, but may have been higher during periods of missing record; minimum recorded, 0.0 FNU (+/- 2.0 FNU), several days, Mar. - May, Jul. - Aug., 2014, Oct. 28, 2014, Jan. 1, many days, Mar. - Jun., 2016, 2017.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum daily, 2,160 uS/cm, Jan. 27, 2010, but may have been higher during periods of missing record; minimum daily, 188 uS/cm, Aug. 7, 2014.

pH: Maximum daily, 8.4 standard units, Dec. 23, 2009; minimum daily, 6.9 standard units, Aug. 11-13, 2010.

WATER TEMPERATURE: Maximum daily, 31.2 °C, Aug. 14, 2010; minimum daily, 0.7 °C, Jan. 6, 2014, but may have been lower during periods of missing record.

DISSOLVED OXYGEN: Maximum daily, 14.9 mg/L, Dec. 26, 2008, but may have been higher during periods of missing record; minimum daily, 2.1 mg/L, Aug. 17, 2010, but may have been lower during periods of missing record.

TURBIDITY: Maximum daily, 270 FNU, Mar. 10, 2009, but may have been higher during periods of missing record; minimum daily, 0.0 FNU, Aug. 14-15, 19, 2014, Nov. 6, 2016.