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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 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 -> 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 91 67 117 88 368 610 232 48 71 319 281 63
2 83 56 104 78 462 653 192 72 75 220 245 55
3 73 67 92 57 656 768 176 75 75 223 195 48
4 61 121 86 48 664 787 216 992 94 185 163 44
5 57 166 96 45 612 849 179 888 83 172 129 46
6 54 194 91 46 429 724 231 315 136 176 103 47
7 51 253 82 47 353 577 216 155 227 189 90 42
8 53 248 75 49 372 511 206 98 305 208 84 43
9 48 214 77 52 318 522 272 80 339 265 77 61
10 48 142 71 47 368 645 252 65 262 276 73 54
11 47 132 81 79 489 614 166 70 215 227 68 56
12 52 72 98 105 543 660 116 64 191 214 61 78
13 52 66 94 90 545 505 124 58 192 234 54 92
14 51 70 79 113 619 376 153 43 160 276 50 83
15 49 63 69 135 592 309 114 122 144 333 64 66
16 47 80 74 170 556 342 139 218 128 381 67 61
17 45 84 78 220 421 345 77 274 141 409 111 55
18 60 73 96 190 493 324 86 334 135 389 82 51
19 57 69 158 239 510 321 176 377 158 355 71 53
20 55 90 217 187 463 265 213 302 191 369 59 116
21 82 75 144 135 480 292 85 223 221 342 52 144
22 110 84 117 145 393 273 89 199 265 257 47 179
23 100 99 98 171 398 251 112 172 238 179 54 148
24 62 121 90 177 416 297 115 129 199 133 69 96
25 54 190 72 198 447 317 135 159 344 153 78 73
26 55 240 66 303 469 264 118 179 435 231 82 83
27 62 241 89 371 570 208 100 140 417 212 64 96
28 65 220 87 477 642 202 145 117 303 201 55 96
29 59 362 72 395 657 224 98 114 320 213 54 97
30 73   80 469 638 235 69 113 330 280 60 85
31 60   120   635   50 92   254   80