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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 08121000 Colorado Rv at Colorado City, TX


Mitchell County, Texas
Hydrologic Unit Code 12080002
Latitude  32°23'33", Longitude 100°52'42" NAD27
Drainage area 3,966  square miles
Contributing drainage area 1,585  square miles
Gage datum 2,030.79 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 1951-10-01 -> 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 5.1 3.6 4.4 4.6 55 98 24 14 26 21 13 2.3
2 4.2 3.8 3.4 3.9 15 79 41 14 29 24 22 2.2
3 2.6 4 3.1 3.2 19 64 37 4.6 52 33 11 2.7
4 2.5 4.8 3.7 2.5 10 69 22 4.1 40 29 7.9 2.3
5 2.7 7.3 10 2.9 16 100 23 7.4 47 104 6.9 2.2
6 2.5 9.3 17 6.3 31 66 32 5.2 65 65 12 2.5
7 2.6 16 11 8.4 39 44 37 3.4 95 31 25 2.8
8 3.1 29 4.2 4 18 56 36 4.4 36 23 14 5.2
9 3 5.3 3.8 4.1 34 52 33 4.7 40 24 7.6 4.5
10 2.5 4.3 20 8.1 26 47 16 29 67 16 3.4 3.4
11 2.6 3.8 20 7.4 165 53 20 23 21 12 2.4 3.1
12 2.9 3.7 8.2 11 91 52 28 11 15 14 2.2 2.8
13 2.8 3.4 5.6 65 88 163 23 32 15 17 2.2 3
14 3 4.6 5.4 51 69 80 24 83 15 16 2.1 2.7
15 2.8 3.9 4.3 32 24 35 7.1 96 15 17 2.7 2.9
16 2.6 3.2 4.9 16 183 56 9 74 15 10 7.2 5.1
17 2.6 5 4.2 21 122 60 5 35 29 7.6 32 6.4
18 2.9 4.7 3.7 51 137 47 11 15 37 35 45 6.1
19 3 3.4 3.3 24 77 93 12 12 27 45 29 5.7
20 3 6.2 5.9 16 17 81 31 33 30 25 14 7.1
21 3.7 11 14 26 20 44 30 21 35 20 6.4 7.2
22 4.4 10 9.3 60 45 33 25 7.6 64 17 5.2 7.3
23 3.7 6.4 105 26 84 34 14 4.2 50 41 6.7 7.8
24 3.6 6.6 131 15 71 42 13 11 29 29 6.1 6.6
25 3.5 10 24 24 182 16 9.6 71 34 50 12 4.8
26 3.7 8.8 8.7 75 87 19 8.1 90 28 20 10 4.2
27 4.3 7.5 5 20 56 91 16 56 68 14 7.9 3.8
28 4.4 5.7 5 23 66 84 13 57 59 26 4.3 3.5
29 4 5.1 4.7 93 69 42 8.3 58 131 16 2.8 3.4
30 3.5   4.1 98 95 27 7.4 31 69 19 2.9 3
31 3.5   5.2   155   7.6 10   15   3.7