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South Atlantic Water Science Center

May 2018

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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

May 2018 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 May]
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) 104 321 140 a 3.56 361 1,700 5/30 165 5/14 NWISWeb
Oconaluftee River at Birdtown (site SW2) 184 670 137 a 4.20 668 1,700 5/31 357 5/14 NWISWeb
French Broad River at Asheville (site SW3) 945 5,927 303 a 7.23 2,770 20,200 5/30 1,700 5/15 NWISWeb
First Broad River near Casar (site SW4) 60.5 126 156 a 2.40 171 907 5/30 55.4 5/15 NWISWeb
South Fork New River near Jefferson (site SW5) 205 1,282 300 a 7.21 985 4,490 5/19 519 5/15 NWISWeb
Elk Creek at Elkville (site SW6) 50.9 320 356 a 7.25 270 1,010 5/18 81.5 5/14 NWISWeb
South Yadkin River near Mocksville (site SW7) 306 563 182 a 2.12 624 2,240 5/19 204 5/15 NWISWeb
Rocky River near Norwood (site SW8) 1,372 562 99 n 0.47 1,787 1,750 5/30 253 5/16 NWISWeb
Reedy Fork near Oak Ridge (site SW9) 20.6 15.2 91 n 0.85 21.5 42.2 5/18 8.52 5/14 NWISWeb
Deep River at Moncure (site SW10) 1,434 1,061 135 n 0.85 2,321 4,840 5/20 233 5/16 NWISWeb
Flat River at Bahama (site SW11) 149 303 444 a 2.34 288 2,960 5/19 34.6 5/15 NWISWeb
Lumber River at Boardman (site SW12) 1,228 687 79 n 0.64 908 1,270 5/3 314 5/17 NWISWeb
Black River near Tomahawk (site SW13) 676 656 137 a 1.12 671 1,560 5/31 131 5/16 NWISWeb
Little Fishing Creek near White Oak (site SW14) 177 241 272 a 1.57 165 1,270 5/23 31.4 5/16 NWISWeb
Trent River near Trenton (site SW15) 168 343 440 a 2.35 228 1,500 5/31 42.5 5/17 NWISWeb
Potecasi Creek near Union (site SW16) 225 148 128 n 0.76 220 402 5/22 33 5/15 NWISWeb

Period of Record Maximum Mean Monthly Discharge for May

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

*Record high May monthly discharge for period of record.


Groundwater Levels

Ground-water wells Map

May 2018 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) 3.61 4.53 a 3.97 5/26 2.41 5/30 NWISWeb
Blantrye, NC-144 (GW2) 26.21 26.94 n 26.80 5/1 25.23 5/31 NWISWeb
Piedmont RS 1, NC-193 (GW3) 6.52 6.49 a 6.68 5/15 6.37 5/21 NWISWeb
Mocksville, NC-142 (GW4) 17.26 16.95 n 17.60 5/16, 17 16.73 5/31 NWISWeb
Comfort, NC-173 (GW5) 3.26 2.96 a 5.32 5/17 0.28 5/29 NWISWeb
Simpson, NC-160 / PI-532 (GW6) 3.27 2.94 a 3.86 5/16, 17 2.33 5/30 NWISWeb

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

* Based on partial record for the month.


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


Asheville Charlotte Greensboro Raleigh Wilmington Elizabeth City

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