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USGS Daily Statistics for the Nation

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 08066500 Trinity Rv at Romayor, TX


Liberty County, Texas
Hydrologic Unit Code 12030202
Latitude  30°25'30", Longitude  94°51'02" NAD27
Drainage area 17,186  square miles
Contributing drainage area 17,186  square miles
Gage datum 25.51 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 1923-10-01 -> 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 9,360 8,450 11,400 11,800 12,900 14,300 9,130 2,780 2,710 1,970 5,950 6,240
2 9,140 8,080 11,600 11,600 13,300 14,400 8,900 2,640 2,450 1,840 5,770 5,830
3 9,070 7,910 11,800 11,500 14,100 14,400 8,560 2,570 2,270 1,860 5,680 5,590
4 9,000 8,030 11,900 11,500 14,700 14,200 7,890 2,490 2,110 1,970 5,830 5,880
5 8,940 8,600 12,000 11,200 15,200 13,700 7,340 2,490 1,950 2,120 6,420 5,920
6 9,090 9,100 12,000 10,800 15,600 13,400 6,980 2,470 1,930 2,040 6,860 6,250
7 9,550 9,330 12,000 10,700 15,900 13,300 6,600 2,390 1,990 2,010 6,900 6,570
8 9,970 9,420 11,900 10,900 15,900 13,400 6,390 2,380 2,030 2,190 6,890 6,960
9 9,890 9,710 12,000 10,900 15,400 13,400 6,250 2,370 2,100 2,410 6,720 7,250
10 9,990 10,300 12,100 11,000 14,800 13,200 6,020 2,410 2,190 2,540 6,540 7,130
11 9,740 10,500 12,400 11,200 14,700 13,100 5,700 2,500 2,130 2,610 6,500 7,270
12 9,630 10,700 12,600 11,200 15,000 13,000 5,460 2,340 2,240 2,690 6,390 7,800
13 9,880 10,900 12,900 10,900 15,500 12,700 5,330 2,190 2,580 2,830 6,350 8,130
14 9,890 10,900 13,200 10,900 16,400 12,500 5,250 2,070 2,780 3,020 6,410 8,020
15 9,890 10,600 13,000 10,900 16,800 12,400 5,030 2,020 2,820 3,360 6,250 8,060
16 9,810 10,400 12,700 10,500 16,900 11,900 4,730 1,950 2,800 4,110 6,080 8,540
17 9,950 10,100 12,400 10,400 17,100 11,500 4,490 1,840 2,710 5,010 5,820 8,670
18 10,200 9,720 12,000 10,700 17,500 11,200 4,320 1,800 2,600 5,580 5,900 9,010
19 10,900 9,400 11,700 10,800 17,700 11,000 4,200 1,910 2,510 5,590 5,830 9,110
20 11,100 9,380 11,600 10,900 17,500 11,000 4,050 1,960 2,630 5,290 5,660 9,030
21 10,700 9,680 11,800 11,200 17,400 11,000 3,920 1,950 2,690 4,910 5,400 8,940
22 10,400 10,500 11,800 11,300 17,100 10,800 3,840 2,040 2,580 4,730 5,410 8,760
23 10,100 10,900 11,500 11,300 16,500 11,000 3,790 2,060 2,440 4,530 5,710 8,630
24 10,200 11,100 11,500 11,100 15,900 11,000 3,760 1,960 2,330 4,370 6,230 8,910
25 10,500 11,500 11,400 10,800 15,400 10,900 3,720 1,880 2,600 4,410 6,770 9,240
26 10,400 12,100 11,300 10,600 15,000 10,900 3,700 1,840 2,430 4,580 6,940 9,150
27 10,000 12,100 11,100 10,700 14,800 10,900 3,750 2,000 2,200 4,670 6,890 9,290
28 9,790 11,600 11,100 10,800 14,900 10,500 3,670 2,460 2,130 4,720 6,780 9,830
29 9,350 9,850 11,400 11,200 14,700 9,900 3,460 2,550 2,080 4,940 6,450 9,860
30 9,370   11,800 12,000 14,400 9,410 3,240 2,540 2,080 5,260 6,310 9,600
31 8,950   12,000   14,400   2,950 2,660   5,740   9,430