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|USGS Climate-Response Network (CRN) Well WLN08|
|Township:||Unorganized (T61N R13W)|
|Location:||1.0 mile west of the intersection of MN HWY 21 and Co. Rd. 904|
|Land-surface elevation:||1478.07 +/- 0.07 feet, NAVD88|
|Installation:||Nov. 30, 2016, for the U.S. Geological Survey|
|Open interval:||14.78–24.06 feet|
|Original and current use:||Monitoring, for the USGS National Groundwater and Streamflow Information Program|
|Type:||Surficial sand and gravel|
|Thickness:||More than 24.7 feet (0–>24.7 feet, BLS)|
|Deposit:||Glacially deposited sand and gravel outwash|
This site is monitored as part of the USGS National Groundwater and Streamflow Information Program.
Water levels below land surface are accurate to 0.01 feet. Water levels above North American Vertical Datum of 1988 (sea level) are calculated by subtracting recorded water levels from the land surface elevation, which is accurate to 0.03 feet based on a differential GPS survey. Water-level differences are accurate to within 0.01 feet.
Water temperature is accurate to plus-or-minus 0.1°C, and differences in temperature are accurate to 0.1°C.
Precipitation is accurate to 0.01 inches except during freezing periods (about Dec. through early Apr.). The rain gage is unheated and uncovered. The precipitation data during freezing periods result from melting of snow (accumulated in the rain gage) during warm periods and do NOT represent actual precipitation. Precipitation totals during freezing periods May underestimate actual totals because the rain gage funnel may be full of snow (preventing further accumulation) or because snow in the funnel may sublimate instead of melt.