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USGS Surface-Water Daily Statistics for South Carolina

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The daily maximum and minimum gage-height and discharge values after September 30, 2019 are no longer being displayed on NWISWeb for most stations in (South Carolina/North Carolina). However, these values can be determined using the instantaneous values that are available through the "Time-Series: Current/Historical Observations" option in the available data dropdown box for the station.


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC


Horry County, South Carolina
Hydrologic Unit Code 03040206
Latitude  33°49'58", Longitude  79°02'38" NAD27
Drainage area 1,440  square miles
Gage datum -5.06 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1993-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 2,030 1,990 2,610 2,010 1,180 743 721 909 1,370 3,410 1,760 1,180
2 2,140 2,030 2,530 1,940 1,230 716 727 945 1,320 3,120 1,680 1,100
3 2,180 2,070 2,510 1,920 1,190 695 795 937 1,380 2,910 1,630 1,120
4 2,230 2,260 2,530 1,910 1,160 703 875 906 1,490 2,800 1,570 1,100
5 2,270 2,500 2,500 1,850 1,140 685 865 882 1,550 2,880 1,530 1,140
6 2,160 2,620 2,450 1,790 1,130 703 840 929 1,890 2,740 1,450 1,150
7 2,170 2,680 2,450 1,760 1,080 785 807 894 1,930 2,740 1,430 1,180
8 2,180 2,740 2,380 1,710 1,060 842 803 1,040 1,900 2,880 1,350 1,160
9 2,110 2,700 2,310 1,760 1,040 903 825 1,020 1,840 3,200 1,280 1,170
10 2,150 2,700 2,320 1,690 1,040 886 839 995 1,820 3,200 1,240 1,220
11 2,180 2,720 2,250 1,680 1,030 844 848 1,010 1,860 3,100 1,290 1,300
12 2,220 2,790 2,180 1,660 1,100 784 820 1,010 1,850 3,040 1,310 1,300
13 2,140 2,840 2,180 1,670 1,050 832 865 1,090 1,930 2,970 1,270 1,280
14 2,050 2,860 2,180 1,610 1,050 831 870 1,070 1,970 2,970 1,220 1,260
15 2,060 2,890 2,160 1,540 1,090 791 919 1,170 2,100 2,970 1,190 1,330
16 2,040 2,880 2,150 1,590 1,080 781 872 1,220 2,700 2,980 1,180 1,400
17 2,010 2,930 2,170 1,530 1,080 809 868 1,210 2,980 3,080 1,160 1,460
18 1,950 2,950 2,090 1,410 1,070 773 871 1,250 3,120 3,130 1,140 1,430
19 1,880 2,920 2,030 1,350 977 748 867 1,190 3,210 3,020 1,080 1,400
20 2,000 2,800 2,080 1,350 883 768 882 1,110 3,330 2,850 1,060 1,480
21 1,930 2,760 2,240 1,300 849 732 856 1,120 3,640 2,690 1,050 1,490
22 1,870 2,710 2,310 1,280 766 694 910 1,130 4,080 2,650 1,120 1,500
23 1,850 2,710 2,280 1,220 743 715 923 1,180 4,430 2,490 1,070 1,700
24 1,950 2,690 2,190 1,200 752 677 991 1,240 4,600 2,400 1,040 1,900
25 1,990 2,650 2,140 1,220 694 693 950 1,260 4,540 2,260 1,050 1,920
26 2,030 2,680 2,130 1,190 650 681 932 1,280 4,470 2,150 1,100 1,900
27 2,100 2,750 2,050 1,140 618 660 903 1,360 4,440 2,050 1,160 1,970
28 2,080 2,710 2,010 1,120 598 715 908 1,350 4,190 1,990 1,120 2,030
29 2,050 2,920 2,030 1,140 636 700 940 1,360 3,920 1,890 1,130 1,990
30 2,040   2,010 1,150 728 700 867 1,320 3,670 1,890 1,120 2,030
31 2,020   1,990   755   856 1,300   1,800   2,020