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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 08085500 Clear Fk Brazos Rv at Ft Griffin, TX


Shackelford County, Texas
Hydrologic Unit Code 12060104
Latitude  32°55'58.72", Longitude  99°12'55.40" NAD83
Drainage area 4,026  square miles
Contributing drainage area 4,026  square miles
Gage datum 1,164.39 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 90 66 117 88 368 610 232 48 70 315 278 62
2 82 56 104 78 462 653 192 72 74 218 242 55
3 72 67 92 57 656 768 176 75 74 221 194 48
4 60 119 86 48 664 787 216 992 93 183 167 43
5 56 164 96 45 612 849 179 888 82 170 138 46
6 53 192 91 46 429 724 231 315 137 174 107 46
7 50 250 82 47 353 577 216 155 228 187 95 42
8 53 245 75 49 372 511 206 98 305 206 100 43
9 48 211 77 52 318 522 272 80 336 262 90 60
10 47 140 71 47 368 645 252 65 260 273 84 54
11 47 130 81 79 489 614 166 70 213 225 76 56
12 51 72 98 105 543 660 116 64 190 211 66 77
13 51 66 94 90 545 505 124 58 190 231 57 91
14 50 70 79 113 619 376 153 43 158 273 51 83
15 49 63 69 135 592 309 114 122 143 329 64 66
16 46 80 74 170 556 342 139 218 126 377 67 60
17 45 84 78 220 421 345 77 274 140 404 111 54
18 60 73 96 190 493 324 86 334 133 385 82 51
19 57 69 158 239 510 321 176 377 156 351 71 52
20 55 90 217 187 463 265 213 298 189 365 59 115
21 81 75 144 135 480 292 85 220 218 338 52 142
22 108 84 117 145 393 273 89 197 262 254 47 177
23 99 99 98 171 398 251 112 170 235 177 55 146
24 61 121 90 177 416 297 115 128 197 132 70 95
25 53 190 72 198 447 317 135 157 340 151 78 72
26 55 240 66 303 469 264 118 177 430 228 82 82
27 62 241 89 371 570 208 100 138 413 210 64 96
28 65 220 87 477 642 202 145 116 299 198 55 95
29 59 362 72 395 657 224 98 113 317 211 54 96
30 73   80 469 638 235 69 112 327 277 60 84
31 59   120   635   50 91   251   79