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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 -> 2026-09-30)

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 82 118 147 635 84 193 90 111 86
2 90 81 83 87 111 119 519 87 94 87 108 86
3 87 81 83 84 128 141 175 96 83 85 108 85
4 85 85 111 84 107 142 200 86 78 106 120 84
5 84 85 94 86 100 148 210 84 76 166 114 83
6 83 85 88 152 96 123 134 82 82 195 118 83
7 82 84 91 95 126 111 130 78 132 107 108 83
8 82 83 88 88 102 105 141 84 166 187 104 83
9 82 85 86 83 100 130 125 77 117 152 107 83
10 81 85 84 81 112 117 116 74 94 116 105 82
11 80 83 84 80 116 129 144 81 85 105 100 83
12 79 82 85 79 98 152 128 133 81 150 98 81
13 79 81 85 79 134 239 205 253 79 251 96 81
14 78 81 85 78 124 475 212 167 84 128 95 81
15 78 80 102 111 121 159 242 108 152 170 172 81
16 79 81 97 98 108 261 159 94 384 197 130 81
17 80 80 94 95 137 218 163 81 124 124 106 80
18 86 80 90 142 186 164 140 78 104 120 97 80
19 84 79 88 98 108 132 202 75 159 146 95 80
20 82 79 87 97 98 120 149 82 130 132 93 107
21 86 80 99 90 97 116 160 70 169 111 91 137
22 83 83 90 86 93 345 127 68 143 146 89 102
23 82 104 86 170 143 160 173 276 127 194 88 94
24 81 91 84 116 197 131 181 99 112 145 88 90
25 81 163 84 99 163 148 113 79 134 118 88 88
26 81 99 86 99 131 231 97 83 116 116 87 87
27 82 89 89 124 122 142 93 71 207 110 87 87
28 82 86 85 103 177 127 89 69 111 246 88 86
29 81 84 94 102 236 210 87 66 162 148 88 89
30 81   86 124 122 132 85 79 99 126 87 92
31 91   84   160   90 87   122   259