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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 -> 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 99 83 85 82 119 149 641 84 194 91 113 87
2 91 82 84 88 112 120 524 87 94 88 109 87
3 88 82 83 85 130 143 177 96 83 86 109 86
4 86 86 112 85 108 143 196 86 78 107 122 84
5 85 86 95 87 101 149 206 84 76 169 115 84
6 84 85 89 153 96 124 133 82 83 199 119 83
7 83 85 92 96 127 112 130 78 133 108 110 84
8 83 84 88 88 103 106 142 84 167 190 105 84
9 82 86 86 83 101 132 126 77 117 154 108 83
10 81 85 85 82 113 118 117 73 95 118 107 83
11 80 84 85 81 117 129 145 81 85 107 102 83
12 80 83 86 80 99 153 129 134 82 153 99 82
13 80 82 86 80 135 241 206 255 79 255 97 82
14 79 81 86 78 125 480 138 168 85 131 97 82
15 78 81 103 112 122 160 216 108 153 173 175 82
16 79 81 98 99 109 264 150 94 388 201 132 82
17 81 80 95 96 139 220 159 81 124 126 107 81
18 87 80 91 143 188 165 138 79 104 123 99 80
19 84 80 89 99 109 133 201 75 161 148 95 80
20 83 79 88 98 99 121 147 82 130 135 94 108
21 87 81 100 90 98 117 159 70 170 113 92 138
22 84 84 91 87 94 348 126 68 144 149 90 102
23 83 105 87 171 144 162 173 279 128 198 89 95
24 82 92 85 117 199 132 181 100 113 148 89 91
25 81 164 85 100 164 149 112 79 135 120 88 89
26 81 100 87 100 132 233 97 83 117 117 88 88
27 82 90 90 125 123 144 92 71 208 112 88 87
28 82 86 86 104 178 128 88 69 111 251 89 87
29 82 84 94 103 238 212 87 66 163 150 89 90
30 82   86 125 123 133 85 80 101 128 88 93
31 92   85   161   90 87   124   261