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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 08195000 Frio Rv at Concan, TX


Uvalde County, Texas
Hydrologic Unit Code 12110106
Latitude  29°29'18", Longitude  99°42'16" NAD27
Drainage area 389  square miles
Contributing drainage area 389  square miles
Gage datum 1,203.54 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 98 82 84 82 118 147 641 84 194 90 112 86
2 90 81 83 87 111 119 524 87 94 87 109 86
3 87 81 83 84 128 141 177 96 83 85 108 85
4 85 85 111 84 107 142 196 86 78 106 121 84
5 84 85 94 86 100 149 206 84 76 167 114 83
6 83 85 88 152 96 124 133 82 83 197 118 83
7 82 84 91 95 126 112 130 78 133 107 109 83
8 82 83 88 88 102 106 142 84 167 189 104 83
9 82 85 86 83 100 132 126 77 117 153 107 83
10 81 85 84 81 112 118 117 73 95 116 106 82
11 80 83 84 80 116 129 145 81 85 106 101 83
12 79 82 85 79 98 153 129 134 82 151 98 81
13 79 81 85 79 134 241 206 255 79 253 96 81
14 78 81 85 78 124 480 138 168 85 129 96 81
15 78 80 102 111 121 160 216 108 153 171 173 81
16 79 81 97 98 108 264 150 94 388 199 131 81
17 80 80 94 95 137 220 159 81 124 125 106 80
18 86 80 90 142 186 165 138 79 104 121 98 80
19 84 79 88 98 108 133 201 75 161 147 95 80
20 82 79 87 97 98 121 147 82 130 133 93 107
21 86 80 99 90 97 117 159 70 170 111 91 137
22 83 83 90 86 93 348 126 68 144 147 89 102
23 82 104 86 170 143 162 173 279 128 196 88 94
24 81 91 84 116 197 132 181 100 113 146 88 90
25 81 163 84 99 163 149 112 79 135 119 88 88
26 81 99 86 99 131 233 97 83 117 116 87 87
27 82 89 89 124 122 144 92 71 208 111 87 87
28 82 86 85 103 177 128 88 69 111 248 88 86
29 81 84 94 102 236 212 87 66 163 149 88 89
30 81   86 124 122 133 85 80 100 127 87 92
31 91   84   160   90 87   122   259