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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 08189200 Copano Ck nr Refugio, TX


Refugio County, Texas
Hydrologic Unit Code 12100405
Latitude  28°18'12", Longitude  97°06'44" NAD27
Drainage area 87.8  square miles
Contributing drainage area 87.8  square miles
Gage datum 15.93 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 1969-10-01 -> 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 18 24 31 17 34 39 50 14 40 32 71 10
2 16 22 27 14 35 46 44 12 38 29 86 16
3 12 25 24 17 66 47 39 9 39 22 81 22
4 12 37 19 22 79 49 45 6.6 40 26 78 24
5 11 43 15 40 57 42 53 4.7 36 28 68 20
6 9.5 50 25 41 47 34 75 4.8 29 23 62 18
7 8 50 43 46 46 33 106 6.1 24 28 53 16
8 6.2 40 40 49 45 28 115 4 21 25 40 14
9 7.6 30 29 48 44 23 120 2.3 25 20 32 13
10 13 28 32 45 52 18 104 2.6 34 32 30 12
11 32 31 31 45 63 16 85 3.1 79 33 26 11
12 35 39 45 42 61 43 66 2.7 152 39 21 15
13 31 36 49 33 58 95 51 2.1 160 52 25 18
14 26 28 57 25 63 100 41 1.6 132 62 27 17
15 36 25 55 19 72 87 49 1.4 101 71 26 18
16 40 23 45 19 96 70 72 1.3 84 71 35 17
17 35 18 41 28 106 64 92 1.5 82 72 42 17
18 29 15 46 34 98 65 114 2.2 83 86 43 17
19 25 13 61 31 95 50 104 3.2 112 110 40 19
20 20 13 55 28 93 75 83 2.4 116 116 51 23
21 24 15 46 24 86 97 67 2.8 113 113 63 23
22 27 13 39 19 81 102 54 3.6 100 99 57 32
23 23 13 32 17 70 90 38 6.1 92 83 54 34
24 23 13 27 19 57 79 27 5.5 93 74 45 35
25 30 22 21 21 43 67 24 4.7 75 69 37 35
26 30 35 17 19 51 59 25 22 56 57 28 34
27 37 33 13 20 41 71 28 29 44 53 20 31
28 38 31 14 38 32 70 32 37 39 47 16 25
29 31 35 28 42 30 59 29 42 32 45 14 21
30 26   28 34 36 51 23 40 29 40 11 17
31 26   21   44   18 36   54   15