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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 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 -> 2024-09-30)

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
1 113 177 122 136 285 484 144 55 96 40 147 76
2 102 217 135 130 322 410 344 312 75 42 102 84
3 96 285 136 121 450 306 229 405 86 38 141 99
4 89 638 250 197 235 412 701 81 47 666 179 89
5 91 257 146 146 197 383 468 52 122 224 117 115
6 90 218 150 324 210 260 180 46 115 93 157 92
7 91 155 162 184 223 266 122 62 112 92 102 82
8 89 135 128 137 314 151 100 63 300 69 112 108
9 94 186 121 127 254 242 98 82 121 98 103 128
10 98 129 126 134 279 248 96 76 709 128 86 113
11 104 123 169 192 387 322 124 83 1,580 73 76 216
12 94 133 216 147 170 339 135 69 94 166 72 109
13 93 118 186 162 302 314 122 84 110 366 71 86
14 89 133 154 143 229 277 88 78 88 192 96 86
15 88 121 137 545 370 191 137 55 80 206 307 239
16 92 141 289 284 304 334 106 49 67 342 166 155
17 125 131 162 155 392 425 266 504 67 146 232 98
18 186 125 208 156 227 250 101 70 71 337 97 86
19 154 112 197 135 238 217 82 51 111 573 88 174
20 259 216 209 167 291 147 82 44 64 245 96 436
21 197 217 210 177 364 127 129 40 82 142 89 670
22 108 202 166 169 215 620 86 119 238 192 93 223
23 101 217 138 171 315 326 61 66 71 115 92 149
24 98 170 125 660 377 205 91 46 101 114 103 105
25 93 172 124 294 761 200 86 38 51 223 108 95
26 111 162 228 307 439 326 72 39 51 116 85 110
27 117 138 196 323 349 226 109 43 58 119 87 125
28 106 125 161 212 306 177 76 215 45 151 90 127
29 149 103 159 181 359 218 76 92 144 273 79 108
30 120   298 170 573 287 53 416 60 112 74 100
31 104   162   314   56 82   466   166