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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
1 112 176 120 133 279 476 141 54 95 39 145 75
2 101 215 134 127 315 403 336 306 75 42 101 83
3 95 281 135 118 440 300 224 396 88 38 140 98
4 88 631 247 192 230 412 690 79 51 658 177 88
5 90 254 144 143 193 377 494 51 122 221 116 114
6 89 216 148 317 206 255 185 46 115 92 155 90
7 90 153 161 180 219 261 132 61 111 91 101 81
8 88 134 127 134 308 148 104 62 297 69 110 107
9 93 184 120 124 249 237 99 81 120 96 101 126
10 97 127 125 131 273 243 99 75 701 126 85 112
11 103 122 168 188 378 319 124 82 1,560 72 75 214
12 93 131 213 144 166 337 133 68 93 164 72 108
13 92 117 184 158 295 309 121 83 109 362 71 85
14 88 131 152 139 224 272 91 77 87 190 95 85
15 87 119 135 533 362 188 136 54 79 203 304 236
16 91 140 286 277 297 327 106 48 67 338 164 154
17 124 130 160 151 383 416 261 498 67 144 230 97
18 184 123 205 152 222 245 100 69 70 333 96 85
19 153 111 195 132 233 212 81 51 110 566 87 172
20 256 214 206 163 284 144 81 43 63 242 95 431
21 195 214 208 173 356 125 127 40 81 141 88 662
22 107 200 165 165 210 606 85 118 236 190 92 221
23 99 215 137 167 312 319 63 66 70 113 91 147
24 97 168 123 644 370 201 91 45 99 113 102 103
25 92 170 123 287 744 196 87 37 50 221 107 94
26 110 160 225 300 430 319 72 39 50 114 84 109
27 116 136 193 315 344 221 108 43 57 117 86 123
28 105 124 157 207 301 173 75 213 45 149 89 125
29 147 103 156 177 352 213 75 91 143 270 78 106
30 119   291 166 561 280 52 412 59 111 73 99
31 103   158   311   55 81   460   164