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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 14,400 31,300 12,800 3,490 10,100 2,270 8,820 5,470
2 9,700 4,970 3,720 7,320 15,900 29,700 12,600 3,220 8,340 2,740 10,600 5,640
3 10,500 5,580 3,670 6,880 16,100 28,600 12,300 3,080 6,420 2,080 12,200 5,690
4 10,900 7,080 3,730 6,430 16,200 27,500 11,800 2,890 4,670 1,950 12,800 6,050
5 10,700 7,030 3,660 6,020 16,900 27,000 10,900 2,780 4,130 1,860 12,100 6,100
6 10,600 6,520 3,450 5,570 17,500 26,400 10,100 2,780 4,690 1,720 10,400 6,240
7 10,900 5,530 3,180 6,020 18,700 25,000 9,940 2,720 4,810 1,630 9,050 6,270
8 11,200 4,870 3,160 5,860 19,800 23,600 9,700 2,650 4,050 1,550 9,240 7,860
9 10,700 4,490 3,610 6,940 20,900 21,900 9,570 2,530 3,220 1,420 9,560 9,270
10 9,730 4,160 7,380 7,650 20,400 20,900 8,750 2,430 2,690 1,390 9,700 9,280
11 8,940 3,930 9,650 7,460 18,900 20,500 8,260 2,380 2,350 1,320 9,720 9,270
12 8,400 4,100 9,620 7,380 18,000 20,100 8,060 2,290 2,190 1,440 9,480 9,180
13 8,230 4,180 9,680 9,090 18,300 19,800 7,960 2,170 2,180 1,680 8,810 8,320
14 7,880 4,140 9,490 10,100 19,700 19,600 8,400 2,110 2,280 2,010 7,980 8,080
15 7,400 4,380 8,890 10,800 19,700 19,700 8,850 2,120 2,410 2,350 7,410 8,060
16 7,020 4,640 8,650 10,100 18,900 19,500 8,330 2,180 2,340 2,810 7,110 7,810
17 7,050 4,210 8,330 8,460 19,400 19,700 7,500 2,260 2,140 4,060 7,050 7,650
18 7,060 4,030 7,980 11,300 20,600 20,200 6,770 2,350 1,990 5,250 7,720 7,440
19 7,040 3,990 7,690 15,300 22,700 20,500 6,440 2,670 1,890 5,910 7,600 6,800
20 7,320 4,200 7,310 14,600 24,200 20,300 6,210 3,100 1,830 6,170 7,110 6,330
21 7,260 5,300 7,170 13,700 23,200 19,000 5,680 3,510 1,950 6,180 6,440 7,150
22 6,750 5,130 8,150 13,500 21,500 17,400 5,370 3,750 1,990 5,930 5,640 6,860
23 7,260 5,250 8,800 13,300 19,500 15,800 5,210 4,020 2,250 5,760 5,140 6,050
24 9,660 5,790 9,040 12,700 19,000 14,800 5,390 4,000 2,090 5,620 5,160 5,410
25 12,400 5,190 8,750 11,500 20,700 14,400 5,240 3,610 1,820 5,600 4,970 5,100
26 12,200 5,680 7,810 10,300 21,600 14,300 4,700 3,240 1,980 6,150 5,370 4,980
27 10,500 5,300 7,000 10,800 24,800 14,500 4,590 5,280 2,070 7,560 5,280 5,680
28 8,380 4,340 6,800 11,500 34,300 14,100 4,370 12,200 1,850 8,090 5,180 8,350
29 6,910 5,650 8,350 12,400 36,600 13,600 4,080 14,100 1,780 7,750 4,900 9,450
30 6,240   9,940 12,800 34,200 13,100 3,790 12,700 2,240 7,630 4,880 9,890
31 5,440   9,520   32,600   3,570 11,400   8,320   10,700