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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 75 101 106 83 218 119 272 51 96 55 128 80
2 97 133 87 111 121 366 149 68 83 73 140 83
3 109 208 102 114 120 226 126 78 130 56 117 221
4 102 255 180 127 105 135 169 60 141 111 128 114
5 80 129 92 157 295 90 212 70 98 67 185 104
6 98 89 87 112 144 84 220 62 92 77 127 76
7 85 84 81 138 104 79 136 134 167 78 70 105
8 70 83 79 112 136 74 107 55 257 146 107 95
9 91 85 118 75 80 244 131 50 218 289 130 88
10 107 119 92 101 113 163 117 53 155 90 68 74
11 84 124 102 90 139 167 138 46 157 83 61 81
12 87 99 159 74 101 120 90 66 108 72 70 83
13 80 88 178 115 277 132 77 71 86 97 70 105
14 83 113 126 95 166 144 84 65 124 125 98 73
15 175 92 112 100 253 108 229 80 123 113 116 112
16 130 87 138 81 167 80 431 323 163 73 117 96
17 94 78 120 128 107 143 167 127 103 507 139 89
18 164 132 84 135 101 89 138 90 113 274 108 111
19 82 78 86 84 181 86 97 150 90 136 100 244
20 74 158 198 101 180 131 96 98 124 122 106 139
21 77 100 145 144 207 130 163 124 81 88 83 174
22 179 116 105 82 109 153 95 111 128 109 245 237
23 84 157 102 160 171 137 103 93 69 151 97 115
24 166 134 96 159 243 120 113 89 62 307 114 112
25 172 114 90 180 522 128 150 59 72 200 94 81
26 159 121 106 131 161 82 108 59 279 141 99 93
27 117 80 120 81 348 62 108 56 76 97 91 88
28 90 87 239 115 118 154 91 56 68 83 139 99
29 106 93 137 133 267 215 57 93 104 77 79 83
30 79   121 152 192 187 58 110 50 125 75 92
31 104   120   147   55 121   134   83