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December 2017

Compiled by J. Curtis Weaver

In cooperation with the North Carolina Department of Environment and Natural Resources, National Weather Service, and other State, Local, and Federal agencies.

U.S. Geological Survey · 3916 Sunset Ridge Road · Raleigh, North Carolina 27607 · (919) 571-4000

Rainfall

Data provided by the National Weather Service

Click on a city name to view rainfall graphs.

Rain Map

Asheville | Charlotte | Greensboro | Raleigh | Wilmington | Elizabeth City

Water-level Hydrographs

Click on a site number or name to view hydrographs.

Hydrographs Map

Streamflow gaging stations
French Broad River at Asheville, NC (SW3)
Rocky River near Norwood, NC (SW8)
Black River near Tomahawk, NC (SW13)
Groundwater wells
Blantyre well (GW2)
Mocksville well (GW4)
Simpson well (GW6)

Streamflow Conditions

Streamflow Stations Map

December 2017 streamflow conditions
[mi2, square mile; ft3/s, cubic foot per second; in, inch; a, above (streamflow in the upper 75th percentile); b, below (streamflow in the lower 25th percentile); n, normal (streamflow between the 25th and 75th percentiles); *, Record high monthly mean discharge for December]
Station name and site index number Drainage area (mi2) Monthly mean flow (ft3/s) Percent of long-term median a,b,n Runoff (in.) Monthly mean flow last month (ft3/s) Maximum daily flow Minimum daily flow Additional Data
ft3/s Date ft3/s Date
Valley River at Tomotla (site SW1) 104 163 69 n 1.81 123 396 12/24 82.4 12/4 NWISWeb
Oconaluftee River at Birdtown (site SW2) 184 425 80 n 2.66 411 983 12/24 234 12/4 NWISWeb
French Broad River at Asheville (site SW3) 945 1412 71 n 1.72 1896 2560 12/21 1180 12/17, 18 NWISWeb
First Broad River near Casar (site SW4) 60.5 33.3 43 b 0.63 38.7 44.3 12/21 28.0 12/4 NWISWeb
South Fork New River near Jefferson (site SW5) 205 310 80 n 1.74 482 388 12/24 267 12/16 NWISWeb
Elk Creek at Elkville (site SW6) 50.9 56.0 63 n 1.27 85.4 64.0 12/24 51.9 12/31 NWISWeb
South Yadkin River near Mocksville (site SW7) 306 163 55 b 0.61 169 235 12/21 139 12/4 NWISWeb
Rocky River near Norwood (site SW8) 1,372 238 25 b 0.20 150 740 12/10 129 12/4 NWISWeb
Reedy Fork near Oak Ridge (site SW9) 20.6 8.51 43 b 0.48 6.91 13.5 12/9 6.99 12/28 NWISWeb
Deep River at Moncure (site SW10) 1,434 141 13 b 0.11 77.1 304 12/12 86.5 12/2 NWISWeb
Flat River at Bahama (site SW11) 149 9.17 8 b 0.07 3.53 45.6 12/10 2.01 12/1 NWISWeb
Lumber River at Boardman (site SW12) 1,228 687 65 b 0.64 283 994 12/21 238 12/6 NWISWeb
Black River near Tomahawk (site SW13) 676 474 80 n 0.81 169 1050 12/13 136 12/1, 2 NWISWeb
Little Fishing Creek near White Oak (site SW14) 177 52.6 37 b 0.34 29.4 305 12/10 19.2 12/5 NWISWeb
Trent River near Trenton (site SW15) 168 96.6 73 n 0.66 40.9 253 12/12 44.6 12/1 NWISWeb
Potecasi Creek near Union (site SW16) 225 121 93 n 0.62 54.0 404 12/10 30.1 12/5 NWISWeb

Period of Record Maximum Mean Monthly Discharge for December

"e" is Estimated Monthly Mean Discharge -or- Estimated Daily Value

*Record high December monthly discharge for period of record.

Groundwater Levels

Ground-water wells Map

December 2017 groundwater levels
[a, above (water level in the upper 75th percentile); b, below (water level in the lower 25th percentile); n, normal (water level between the 25th and 75th percentiles); p, based on partial record for the month]
Station name and site index number Monthly mean level (feet) Monthly mean level last month (feet) a,b,n Low daily level High daily level Additional Data
Feet Date Feet Date
Camp Hope, NC-40 (GW1) 5.36 5.24 b 5.44 12/31 5.26 12/21, 22 NWISWeb
Blantrye, NC-144 (GW2) 30.82 31.48 n 30.94 12/25 30.68 12/12 NWISWeb
Piedmont RS 1, NC-193 (GW3) 7.31 7.28 n 7.40 12/4, 31 7.16 12/12, 21 NWISWeb
Mocksville, NC-142 (GW4) 19.37 19.25 n 19.41 12/4, 16, 17, 18, 19, 20 19.30 12/12, 23, 24 NWISWeb
Comfort, NC-173 (GW5) 6.42 7.66 n 8.34 12/4 4.85 12/30 NWISWeb
Simpson, NC-160 / PI-532 (GW6) 3.21 2.57 n 4.06 12/4 2.30 12/9 NWISWeb

Period of record minimum monthly water level (for indicated month).

* Monthly water levels not determined due to missing record during the month (equipment problems).

The data presented herein are provisional and are subject to revision as new data becomes available.

Return to the Monthly Conditions Archive

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French Broad River at Asheville Blantyre well Mocksville well Rocky River near Norwood Black River near Tomahawk Simpson well