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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 1,203.71 feet above NGVD29
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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 -> 2020-09-30)

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
1 102 85 88 85 124 154 674 87 204 95 117 90
2 94 84 87 91 116 125 551 91 99 91 113 89
3 90 85 86 88 135 148 185 101 87 89 113 88
4 89 89 117 88 112 148 206 90 81 111 126 87
5 88 89 98 90 105 155 216 87 80 175 120 87
6 86 89 92 160 100 129 139 85 87 206 124 86
7 86 88 95 100 132 116 136 81 139 112 114 87
8 85 87 92 92 107 109 148 88 175 198 109 87
9 85 89 89 86 105 137 132 80 123 160 112 86
10 84 88 88 85 118 123 122 77 99 122 110 86
11 83 86 88 84 121 135 152 85 89 111 106 86
12 82 86 89 83 103 160 135 140 85 159 103 84
13 82 84 89 83 141 253 217 268 83 265 100 84
14 81 84 89 81 131 504 145 176 89 135 100 85
15 80 84 107 117 128 167 227 114 160 180 182 85
16 82 84 102 103 113 276 157 99 408 209 137 84
17 83 83 98 100 145 231 167 85 130 131 111 83
18 90 83 95 149 197 173 144 82 109 127 102 83
19 87 82 92 103 113 139 211 79 169 154 99 83
20 86 82 91 102 103 127 155 86 137 140 97 112
21 89 84 103 94 102 122 167 74 179 117 95 143
22 87 87 94 91 97 362 132 71 151 155 93 106
23 85 109 90 179 150 167 182 293 134 205 92 98
24 85 95 88 123 208 137 189 104 119 154 92 94
25 84 172 88 104 171 156 117 82 142 125 91 91
26 84 104 90 104 137 244 101 87 122 122 91 91
27 85 93 93 131 128 150 97 74 219 116 91 90
28 85 89 89 108 186 134 92 72 117 261 92 89
29 85 89 98 107 249 222 91 70 172 156 92 93
30 85   90 130 127 139 89 83 105 133 91 96
31 95   88   168   94 91   128   271