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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 08171000 Blanco Rv at Wimberley, TX


Hays County, Texas
Hydrologic Unit Code 12100203
Latitude  29°59'39", Longitude  98°05'19" NAD27
Drainage area 355  square miles
Contributing drainage area 355  square miles
Gage datum 797.4 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 -> 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
1 103 149 140 126 137 211 184 67 72 49 122 85
2 105 134 133 120 252 265 249 66 61 46 111 97
3 102 144 142 115 263 222 283 67 62 49 171 107
4 100 255 202 155 191 227 212 60 68 139 113 94
5 100 176 156 157 157 230 355 57 55 70 98 109
6 98 161 150 163 177 331 177 56 116 80 103 92
7 95 145 143 132 145 254 133 54 71 81 89 90
8 92 136 132 159 166 161 117 55 134 68 89 101
9 92 140 127 131 161 255 116 54 93 59 92 95
10 91 130 126 114 204 230 104 53 66 53 95 93
11 100 127 125 119 182 239 102 50 433 76 85 127
12 97 135 201 119 148 247 102 50 73 89 83 108
13 97 124 131 118 179 233 98 47 67 101 82 98
14 94 123 134 125 146 219 92 47 55 108 103 95
15 93 119 142 140 150 237 170 50 95 133 343 146
16 103 192 182 151 167 232 141 49 58 140 151 110
17 103 136 140 136 241 191 149 75 59 321 248 99
18 171 142 155 166 224 210 133 52 57 194 133 96
19 129 128 152 150 209 150 108 47 64 105 114 104
20 220 150 152 165 162 131 99 49 59 101 109 124
21 163 140 200 260 176 133 139 45 52 83 109 262
22 130 157 146 178 153 358 98 55 92 116 151 201
23 149 182 134 136 154 178 97 48 68 167 141 152
24 122 153 130 231 892 134 114 45 54 107 120 120
25 126 162 128 220 270 129 90 45 59 109 116 108
26 121 157 139 164 272 147 85 43 69 97 100 106
27 134 141 161 253 199 143 82 49 77 85 103 113
28 118 136 142 169 549 135 79 53 63 79 95 106
29 127 100 126 178 280 128 79 49 61 194 92 110
30 117   153 160 245 265 72 56 58 230 88 103
31 116   135   218   67 76   230   108