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USGS Surface-Water 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 08159500 Colorado Rv at Smithville, TX


Bastrop County, Texas
Hydrologic Unit Code 12090301
Latitude  30°00'45", Longitude  97°09'42" NAD27
Drainage area 40,371  square miles
Contributing drainage area 28,968  square miles
Gage datum 270.15 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 1929-10-01 -> 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 1,590 1,500 1,610 1,890 3,130 3,640 3,900 2,390 1,570 2,310 3,440 1,600
2 1,370 1,640 1,610 1,780 3,310 3,800 3,690 2,030 1,550 2,350 2,510 1,620
3 1,510 1,720 1,720 1,590 3,260 3,370 3,300 2,000 1,580 2,480 1,930 1,880
4 1,670 2,000 1,660 1,640 3,610 3,920 3,620 1,900 2,260 2,280 2,380 1,600
5 1,670 1,830 1,630 1,640 3,700 3,970 3,580 1,850 2,190 1,670 2,620 1,610
6 1,530 1,800 1,720 1,760 3,260 3,610 3,240 1,800 2,190 1,650 2,090 1,720
7 1,560 1,750 2,010 1,920 3,270 4,520 3,290 1,780 2,630 1,740 1,730 1,600
8 1,700 1,560 2,010 2,290 3,200 4,480 3,260 1,780 2,540 2,440 1,690 1,790
9 1,520 1,550 1,690 2,440 3,290 3,660 3,170 1,690 2,910 2,660 1,700 1,870
10 1,430 1,620 1,900 2,050 3,060 4,040 3,370 1,610 2,780 2,440 1,760 1,700
11 1,490 1,590 1,830 1,800 3,270 4,500 3,300 1,570 2,730 2,270 1,860 1,640
12 1,620 1,830 1,940 1,870 3,360 3,780 3,140 1,580 2,560 2,390 1,520 1,920
13 1,620 1,980 1,990 1,990 3,430 3,850 3,030 1,600 2,490 1,650 1,530 1,660
14 1,900 1,740 1,830 1,820 3,470 3,330 2,970 1,580 2,280 1,830 1,520 1,480
15 1,590 1,700 1,740 1,590 3,530 3,310 2,900 1,550 2,000 2,300 1,550 1,450
16 1,470 1,490 1,830 1,540 4,080 6,200 3,000 1,580 1,830 2,770 1,720 1,940
17 1,690 1,900 1,700 1,720 4,390 5,710 3,090 1,640 2,480 2,780 2,170 1,730
18 1,730 1,710 1,710 2,320 4,150 4,700 2,760 1,750 2,740 3,580 1,770 1,450
19 2,060 1,950 1,880 2,260 4,590 4,630 2,450 1,690 2,760 4,170 1,860 1,470
20 1,700 1,740 2,050 2,060 5,140 3,270 2,240 1,660 2,740 3,340 1,690 1,410
21 1,910 2,370 2,250 1,990 4,680 3,220 2,250 1,790 2,810 2,170 1,730 1,400
22 2,270 2,550 1,940 2,020 4,080 3,040 2,160 1,920 2,540 2,040 1,930 1,360
23 2,260 2,730 1,840 2,320 3,970 2,810 2,100 1,700 2,730 2,410 2,220 1,220
24 2,170 2,110 1,730 2,600 4,590 2,810 2,660 1,700 2,990 2,220 2,390 1,220
25 2,060 1,890 1,700 2,800 4,750 2,790 3,600 1,650 2,560 2,240 2,500 1,210
26 2,160 1,910 1,730 2,870 4,560 2,790 4,540 1,650 1,730 2,130 1,660 1,170
27 1,740 1,840 1,800 2,890 5,350 2,680 4,710 2,320 1,720 2,170 1,570 1,330
28 1,530 1,750 1,890 3,230 5,170 2,630 4,170 2,510 2,580 2,010 1,590 1,670
29 1,370 1,300 2,190 3,580 4,210 2,760 3,470 1,960 3,250 2,480 1,580 1,360
30 1,600   1,950 3,510 3,710 3,380 2,900 1,730 2,800 2,880 1,600 1,410
31 1,420   1,820   3,480   2,720 1,620   2,780   1,630