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USGS Daily Statistics for South Carolina

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The daily maximum and minimum water level values for groundwater wells after September 30, 2023 are no longer being displayed on NWISWeb. 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°49'57.4", Longitude  79°02'37.4" NAD83
Drainage area 1,440  square miles
Gage datum -6.14 feet above NAVD88
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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 -> 2024-09-30)

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 2,010 2,010 3,030 1,950 1,100 935 807 908 1,500 3,210 1,590 1,240
2 2,120 2,050 2,920 1,870 1,150 912 814 930 1,440 2,950 1,520 1,170
3 2,170 2,090 2,860 1,840 1,120 918 870 913 1,480 2,750 1,470 1,160
4 2,220 2,200 2,830 1,840 1,080 948 930 942 1,570 2,640 1,420 1,130
5 2,250 2,490 2,760 1,790 1,070 951 918 964 1,620 2,700 1,380 1,160
6 2,150 2,580 2,690 1,750 1,040 1,010 916 1,040 1,910 2,570 1,310 1,160
7 2,150 2,640 2,670 1,720 1,000 1,100 879 1,060 1,940 2,550 1,290 1,170
8 2,160 2,700 2,570 1,680 978 1,140 877 1,200 1,910 2,660 1,220 1,140
9 2,100 2,650 2,450 1,740 954 1,190 907 1,170 1,860 2,920 1,160 1,140
10 2,130 2,640 2,410 1,680 934 1,150 911 1,150 1,850 2,910 1,130 1,180
11 2,160 2,690 2,340 1,670 929 1,080 917 1,160 1,930 2,830 1,180 1,240
12 2,200 2,770 2,280 1,650 980 1,010 903 1,150 1,910 2,800 1,280 1,240
13 2,150 2,850 2,250 1,660 942 1,020 944 1,200 1,970 2,720 1,330 1,200
14 2,070 2,890 2,230 1,620 942 994 946 1,180 1,980 2,720 1,270 1,210
15 2,070 2,930 2,200 1,570 975 938 991 1,260 2,080 2,710 1,220 1,280
16 2,060 2,910 2,160 1,570 960 905 959 1,320 2,580 2,720 1,220 1,330
17 2,070 2,990 2,170 1,490 957 915 944 1,310 2,840 2,710 1,220 1,380
18 2,000 3,110 2,100 1,400 938 852 936 1,340 3,060 2,720 1,190 1,340
19 1,920 3,180 2,040 1,350 869 813 930 1,290 3,120 2,620 1,150 1,310
20 2,020 3,160 2,080 1,330 794 829 948 1,240 3,190 2,500 1,130 1,370
21 1,930 3,180 2,190 1,270 753 802 924 1,250 3,460 2,400 1,120 1,380
22 1,860 3,150 2,240 1,240 685 769 955 1,240 3,820 2,330 1,190 1,410
23 1,860 3,180 2,190 1,190 673 775 986 1,260 4,100 2,190 1,150 1,600
24 1,940 3,180 2,120 1,180 677 734 1,050 1,320 4,230 2,110 1,140 1,840
25 1,980 3,160 2,080 1,190 620 756 993 1,360 4,170 2,000 1,170 1,880
26 2,040 3,180 2,070 1,150 584 751 971 1,360 4,110 1,910 1,240 1,890
27 2,090 3,250 1,990 1,100 576 740 945 1,430 4,050 1,870 1,270 1,930
28 2,000 3,190 1,950 1,070 608 791 946 1,330 3,830 1,810 1,240 1,970
29 2,030 3,480 1,970 1,080 670 789 971 1,340 3,580 1,730 1,200 1,930
30 2,020   1,940 1,090 842 787 898 1,320 3,380 1,720 1,180 1,950
31 2,010   1,930   881   867 1,370   1,620   1,950