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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 1,096.70 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 79 - 80 years of record in, ft3/s   (Calculation Period 1938-10-01 -> 2019-09-30)

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
1 119 187 128 142 298 499 150 58 98 42 155 80
2 107 229 143 136 282 425 362 329 79 44 107 88
3 101 301 144 126 429 274 241 429 91 40 149 104
4 93 677 264 205 164 418 742 84 49 707 189 94
5 96 272 153 148 195 396 494 54 129 237 123 122
6 94 231 157 323 214 266 184 48 120 99 165 97
7 96 163 171 188 230 276 118 65 117 97 108 87
8 94 143 135 141 200 154 102 66 318 73 118 114
9 99 197 127 131 231 249 101 86 114 103 108 135
10 104 136 132 139 281 256 98 80 747 135 90 119
11 110 129 179 201 399 335 129 87 1,670 77 80 229
12 99 138 228 154 170 355 140 73 99 176 76 115
13 97 123 197 169 310 329 127 88 116 389 75 91
14 94 139 163 148 235 290 91 82 93 203 101 91
15 92 126 144 577 385 199 143 57 84 218 326 253
16 97 148 306 299 311 351 111 51 71 363 175 165
17 132 138 171 162 407 447 280 535 71 154 246 104
18 196 131 221 163 235 253 106 73 74 357 102 91
19 163 118 209 141 247 224 85 54 117 608 93 184
20 274 228 222 175 301 152 85 46 67 259 102 463
21 209 229 224 186 381 132 135 42 86 151 94 711
22 113 213 172 177 223 651 89 126 253 204 98 236
23 106 230 143 179 321 342 64 70 75 121 97 158
24 103 179 130 697 393 214 95 48 106 121 109 110
25 98 182 130 306 795 209 90 40 54 237 114 100
26 117 171 242 322 457 343 75 41 54 122 89 116
27 124 145 208 340 364 238 115 45 61 123 92 131
28 112 132 169 223 311 185 80 228 48 158 95 134
29 157 111 167 190 327 229 79 97 153 288 83 114
30 126   315 178 597 302 55 442 63 118 78 105
31 109   170   324   58 86   494   175