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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 92 - 93 years of record in, ft3/s   (Calculation Period 1923-10-01 -> 2018-09-30)

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
1 103 85 88 86 125 156 688 89 208 92 112 89
2 94 84 87 92 117 126 562 92 101 88 108 88
3 90 85 87 89 136 150 188 102 88 87 109 87
4 89 89 118 89 112 150 209 91 82 109 122 86
5 88 89 99 91 105 157 220 89 80 175 116 86
6 86 89 92 162 101 130 141 86 84 207 120 85
7 86 88 95 101 133 117 138 82 138 111 110 86
8 85 87 92 92 108 110 151 89 132 136 106 86
9 85 89 90 87 104 139 133 81 113 116 109 85
10 84 88 89 85 118 124 124 78 92 103 107 85
11 82 87 89 84 122 136 155 86 84 100 103 85
12 82 86 89 84 103 162 137 143 82 152 100 84
13 82 84 90 83 142 257 220 273 80 262 98 84
14 81 84 90 82 131 514 147 180 86 130 98 84
15 80 84 108 118 128 170 231 116 158 153 181 84
16 82 84 102 104 113 281 159 100 388 120 136 84
17 83 83 99 101 146 234 170 86 112 106 109 83
18 90 83 95 151 199 175 146 84 98 110 100 82
19 87 82 93 104 114 141 215 80 162 140 97 82
20 86 82 92 103 103 128 157 87 130 127 95 113
21 90 84 104 95 102 124 170 75 174 106 93 145
22 87 87 95 91 98 369 134 72 141 145 91 106
23 85 110 91 182 152 170 185 299 127 198 90 98
24 84 96 88 124 211 139 192 106 113 145 90 94
25 84 174 89 105 173 158 119 83 138 116 90 91
26 84 104 91 105 139 248 102 89 119 114 90 91
27 85 94 94 133 129 152 98 75 218 109 90 89
28 85 90 90 110 189 135 93 73 114 257 91 89
29 85 89 99 108 253 226 92 71 170 151 91 92
30 85   90 132 129 141 90 85 102 127 90 96
31 96   88   170   95 93   123   277