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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 08178565 San Antonio Rv at Loop 410, San Antonio, TX


Bexar County, Texas
Hydrologic Unit Code 12100301
Latitude  29°19'19", Longitude  98°27'00" NAD27
Drainage area 125  square miles
Contributing drainage area 125  square miles
Gage datum 488.43 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 1986-10-01 -> 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 75 99 104 83 218 119 272 51 96 55 128 80
2 97 130 85 108 121 366 149 68 83 73 140 83
3 106 203 99 112 120 226 126 78 130 56 117 221
4 99 249 176 124 105 135 169 60 141 111 128 114
5 78 126 90 154 295 90 212 70 98 67 185 104
6 96 87 85 110 144 84 220 62 92 77 127 76
7 84 82 79 135 104 79 136 134 167 78 70 105
8 69 81 77 109 136 74 107 55 257 146 107 95
9 95 83 115 73 80 244 131 50 218 289 130 88
10 109 117 90 99 113 163 117 53 155 90 68 74
11 83 123 99 88 139 167 138 46 157 83 61 81
12 85 99 155 73 101 120 90 66 108 72 70 83
13 79 86 174 112 277 132 77 71 86 97 70 105
14 81 110 123 93 166 144 84 65 124 125 98 73
15 171 90 109 97 253 108 229 80 123 113 116 112
16 127 85 134 80 167 80 431 323 163 73 117 96
17 92 77 117 125 107 143 167 127 103 507 139 89
18 160 128 82 132 101 89 138 90 113 274 108 111
19 80 76 84 82 181 86 97 150 90 136 100 244
20 73 154 193 121 180 131 96 98 124 122 106 139
21 75 98 141 141 207 130 163 124 81 88 83 174
22 174 113 103 81 109 153 95 111 128 109 245 237
23 82 153 100 177 171 137 103 93 69 151 97 115
24 163 131 101 156 243 120 113 89 62 307 114 112
25 168 111 89 180 522 128 150 59 72 200 94 81
26 155 118 113 131 161 82 108 59 279 141 99 93
27 115 79 127 81 348 62 108 56 76 97 91 88
28 88 85 235 115 118 154 91 56 68 83 139 99
29 104 93 134 133 267 215 57 93 104 77 79 83
30 78   118 152 192 187 58 110 50 125 75 92
31 102   118   147   55 121   134   83