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USGS Daily Statistics for the Nation

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 08153500 Pedernales Rv nr Johnson City, TX


Blanco County, Texas
Hydrologic Unit Code 12090206
Latitude  30°17'30", Longitude  98°23'57" NAD27
Drainage area 901  square miles
Contributing drainage area 901  square miles
Gage datum 1,096.69 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 1938-10-01 -> 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
1 112 177 122 134 282 481 142 55 95 39 145 75
2 101 217 135 129 319 407 340 309 75 42 101 83
3 95 285 136 119 445 303 227 400 88 38 140 98
4 88 638 250 195 233 408 693 80 51 658 177 88
5 90 257 146 144 195 379 462 51 122 221 116 114
6 89 218 150 320 208 257 178 46 115 92 155 90
7 90 155 162 182 221 264 121 61 111 91 101 81
8 88 135 128 136 311 150 100 62 297 69 110 107
9 93 186 121 126 251 239 98 81 120 96 101 126
10 97 129 126 133 276 245 96 75 701 126 85 112
11 103 123 169 190 382 320 123 82 1,560 72 75 214
12 93 133 216 146 168 336 133 68 93 164 72 108
13 92 118 186 160 298 311 121 83 109 362 71 85
14 88 133 154 141 226 274 87 77 87 190 95 85
15 87 121 137 539 366 189 135 54 79 203 304 236
16 91 141 289 281 301 330 105 48 67 338 164 154
17 124 131 162 153 388 420 263 498 67 144 230 97
18 184 125 208 154 225 247 100 69 70 333 96 85
19 153 112 197 133 236 215 81 51 110 566 87 172
20 256 216 209 165 287 145 81 43 63 242 95 431
21 195 217 210 175 360 126 128 40 81 141 88 662
22 107 202 166 167 212 613 85 118 236 190 92 221
23 99 217 138 169 311 323 63 66 70 113 91 147
24 97 170 125 652 373 203 92 45 99 113 102 103
25 92 172 124 291 752 198 88 37 50 221 107 94
26 110 162 228 303 434 322 72 39 50 114 84 109
27 116 138 196 319 345 224 109 43 57 117 86 123
28 105 125 159 210 303 175 76 213 45 149 89 125
29 147 103 157 179 355 215 75 91 143 270 78 106
30 120   295 168 566 283 52 412 59 111 73 99
31 104   160   313   55 81   460   164