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USGS Daily Statistics for Texas

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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 08111850 Brazos Rv at San Felipe, TX


Waller County, Texas
Hydrologic Unit Code 12070104
Latitude  29°48'30", Longitude  96°05'44" NAD83
Drainage area 44,670  square miles
Contributing drainage area 44,670  square miles
Gage datum 0.0 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 2012-10-01 -> 2025-09-30)

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 10,700 4,900 3,970 8,690 14,000 29,400 12,200 3,490 10,100 2,270 8,820 5,470
2 9,700 4,970 3,720 7,320 15,400 27,900 11,900 3,220 8,340 2,740 10,600 5,640
3 10,500 5,580 3,670 6,430 15,600 27,000 11,600 3,080 6,420 2,080 12,200 5,690
4 10,900 7,080 3,730 6,030 16,200 25,900 11,200 2,890 4,670 1,950 12,800 6,050
5 10,700 7,030 3,660 5,670 16,900 25,400 10,300 2,780 4,130 1,860 12,100 6,100
6 10,600 6,520 3,450 5,260 17,500 25,000 9,640 2,780 4,690 1,720 10,400 6,240
7 10,900 5,530 3,180 5,650 19,000 23,700 9,450 2,720 4,810 1,630 9,050 6,270
8 11,200 4,870 3,160 5,490 21,000 22,500 9,700 2,650 4,050 1,550 9,240 7,860
9 10,700 4,490 3,610 6,470 22,400 21,000 9,570 2,530 3,220 1,420 9,560 9,270
10 9,730 4,160 7,380 7,130 22,000 20,200 8,750 2,430 2,690 1,390 9,700 9,280
11 8,940 3,930 9,650 6,950 20,400 19,800 8,260 2,380 2,350 1,320 9,720 9,270
12 8,400 4,100 9,620 6,870 18,800 19,300 8,060 2,290 2,190 1,440 9,480 9,180
13 8,230 4,180 9,680 8,430 18,500 19,100 7,960 2,170 2,180 1,680 8,810 8,320
14 7,880 4,140 9,490 9,380 19,600 20,300 8,400 2,110 2,280 2,010 7,980 8,080
15 7,400 4,380 8,890 9,940 19,500 21,200 8,850 2,120 2,410 2,350 7,410 8,060
16 7,020 4,640 8,650 9,320 18,600 21,300 8,330 2,180 2,340 2,810 7,110 7,810
17 7,050 4,210 8,330 7,810 18,800 21,300 7,500 2,260 2,140 4,060 7,050 7,650
18 7,060 4,030 7,980 10,400 19,800 21,500 6,770 2,350 1,990 5,250 7,720 7,440
19 7,040 3,990 7,690 14,000 21,700 21,800 6,440 2,670 1,890 5,910 7,600 6,800
20 7,320 4,200 7,310 13,400 22,900 21,600 6,210 3,100 1,830 6,170 7,110 6,330
21 7,260 5,300 7,170 12,600 21,700 20,100 5,680 3,510 1,950 6,180 6,440 7,150
22 6,750 5,130 8,150 12,400 20,000 18,200 5,370 3,750 1,990 5,930 5,640 6,860
23 7,260 5,250 8,800 12,300 18,200 16,300 5,210 4,020 2,250 5,760 5,140 6,050
24 9,660 5,790 9,040 11,700 17,600 15,200 5,390 4,000 2,090 5,620 5,160 5,410
25 12,400 5,190 8,750 10,600 19,200 14,500 5,240 3,610 1,820 5,600 4,970 5,100
26 12,200 5,680 7,810 9,600 20,100 14,200 4,700 3,240 1,980 6,150 5,370 4,980
27 10,500 5,300 7,000 10,100 23,000 14,200 4,590 5,280 2,070 7,560 5,280 5,680
28 8,380 4,340 6,800 11,200 31,700 13,700 4,370 12,200 1,850 8,090 5,180 8,350
29 6,910 5,650 8,350 12,200 33,900 13,000 4,080 14,100 1,780 7,750 4,900 9,450
30 6,240   9,940 12,600 32,400 12,500 3,790 12,700 2,240 7,630 4,880 9,890
31 5,440   9,520   30,800   3,570 11,400   8,320   10,700