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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 08150000 Llano Rv nr Junction, TX


Kimble County, Texas
Hydrologic Unit Code 12090204
Latitude  30°30'15", Longitude  99°44'03" NAD27
Drainage area 1,854  square miles
Contributing drainage area 1,849  square miles
Gage datum 1,634.32 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 water year of record in, ft3/s   (Calculation Period 1915-10-01 -> 2020-09-30)

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
1 143 112 118 109 227 223 130 108 372 184 267 120
2 123 113 116 114 283 168 232 249 321 170 261 120
3 120 129 115 268 257 200 185 164 308 134 763 120
4 118 125 117 130 159 187 148 99 350 132 433 119
5 117 130 116 114 135 300 266 98 379 156 168 119
6 116 119 113 126 132 185 161 107 237 399 184 118
7 115 116 117 124 134 152 117 105 204 171 150 119
8 115 116 114 117 155 133 108 93 525 491 151 124
9 115 115 112 110 146 130 103 117 318 322 146 122
10 115 114 112 123 175 172 100 124 209 195 139 119
11 114 113 113 115 330 180 355 159 129 144 137 119
12 114 112 126 111 255 217 161 201 125 178 135 118
13 113 111 116 108 191 158 350 158 113 991 129 118
14 113 111 113 206 264 1,420 167 120 108 501 128 118
15 112 111 111 342 253 275 113 177 148 343 309 117
16 112 111 112 323 169 277 144 252 775 590 381 116
17 112 114 119 165 214 290 118 137 566 214 586 115
18 161 112 115 147 225 409 121 110 333 199 163 115
19 122 111 120 125 205 200 113 112 178 272 140 115
20 149 111 130 117 140 142 112 116 144 188 134 129
21 159 115 129 116 215 127 161 196 237 146 131 125
22 121 170 120 113 164 132 573 292 540 143 129 125
23 117 242 115 124 170 137 502 284 475 245 128 120
24 118 163 114 245 201 435 384 173 573 394 126 118
25 116 163 121 215 364 583 176 156 271 163 125 117
26 114 145 171 131 266 278 147 146 258 155 125 117
27 113 122 178 196 359 240 112 113 191 153 124 116
28 114 120 123 212 207 142 101 325 164 150 123 151
29 114 124 127 202 668 201 97 175 194 683 122 249
30 113   130 179 427 154 97 371 155 350 122 129
31 112   112   234   117 141   235   473