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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 82 119 149 641 84 194 90 112 86
2 90 81 83 88 112 120 524 87 94 87 109 86
3 87 81 83 85 130 143 177 96 83 85 108 85
4 85 85 111 85 108 143 196 86 78 106 121 84
5 84 85 94 87 101 149 206 84 76 167 114 83
6 83 85 89 153 96 124 133 82 83 197 118 83
7 82 84 92 96 127 112 130 78 133 107 109 83
8 82 83 88 88 103 106 142 84 167 189 104 83
9 82 85 86 83 101 132 126 77 117 153 107 83
10 81 85 85 82 113 118 117 73 95 116 106 82
11 80 83 85 81 117 129 145 81 85 106 101 83
12 79 82 86 80 99 153 129 134 82 151 98 81
13 79 81 86 80 135 241 206 255 79 253 96 81
14 78 81 86 78 125 480 138 168 85 129 96 81
15 78 80 103 112 122 160 216 108 153 171 173 81
16 79 81 98 99 109 264 150 94 388 199 131 81
17 80 80 95 96 139 220 159 81 124 125 106 80
18 86 80 91 143 188 165 138 79 104 121 98 80
19 84 79 89 99 109 133 201 75 161 147 95 80
20 82 79 88 98 99 121 147 82 130 133 93 107
21 86 80 100 90 98 117 159 70 170 111 91 137
22 83 83 91 87 94 348 126 68 144 147 89 102
23 82 104 87 171 144 162 173 279 128 196 88 94
24 81 91 85 117 199 132 181 100 113 146 88 90
25 81 163 85 100 164 149 112 79 135 119 88 88
26 81 99 87 100 132 233 97 83 117 116 87 87
27 82 89 90 125 123 144 92 71 208 111 87 87
28 82 86 86 104 178 128 88 69 111 248 88 86
29 81 84 94 103 238 212 87 66 163 149 88 89
30 81   86 125 123 133 85 80 100 127 87 92
31 91   85   161   90 87   122   259