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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 08374550 Rio Grande nr Castolon, TX


Brewster County, Texas
Hydrologic Unit Code 13040205
Latitude  29°08'16", Longitude 103°31'28" NAD27
Gage datum 3,000 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 2006-10-01 -> 2021-09-30)

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
1 257 206 135 95 68 661 287 886 1,380 3,360 844 378
2 259 201 129 97 64 786 264 862 1,430 3,070 803 411
3 265 198 123 96 62 947 369 1,480 1,500 2,850 697 395
4 268 200 117 94 60 871 314 1,250 1,550 2,710 863 404
5 262 192 113 90 89 727 313 896 1,220 2,480 1,130 405
6 254 188 108 92 69 435 374 792 1,560 2,250 694 402
7 249 188 106 90 124 339 502 883 2,430 2,110 623 390
8 250 181 105 90 56 479 422 788 1,910 2,270 600 395
9 290 172 102 117 57 402 542 828 2,290 1,920 541 385
10 404 170 100 94 237 326 301 951 2,540 1,910 521 373
11 297 181 104 110 288 229 332 976 2,680 1,590 508 381
12 258 179 104 113 410 162 246 1,220 3,560 1,520 503 377
13 233 161 112 143 187 158 247 1,260 3,180 1,600 490 371
14 221 160 124 186 118 561 210 1,640 2,800 1,380 479 366
15 216 152 137 252 144 455 294 1,040 3,720 1,260 463 367
16 340 144 134 118 170 232 688 1,000 4,120 1,170 448 364
17 233 140 125 91 139 256 676 766 4,480 1,270 447 353
18 220 200 136 88 107 339 455 1,040 4,940 1,330 449 322
19 216 296 194 92 98 384 595 1,050 4,880 1,350 453 308
20 209 297 136 90 99 806 1,290 1,130 5,340 1,350 445 298
21 204 312 146 77 984 369 1,370 1,170 5,180 1,410 441 290
22 202 331 141 78 193 174 1,240 1,060 5,120 1,440 431 284
23 205 303 174 79 389 192 1,340 1,010 4,890 1,330 406 280
24 202 290 135 103 328 370 889 1,140 4,890 1,280 396 271
25 201 287 124 75 265 231 844 1,230 4,760 1,280 393 267
26 201 301 111 70 252 162 1,050 1,660 4,500 1,160 384 268
27 200 267 105 67 381 371 1,030 1,800 4,210 1,080 374 268
28 209 171 124 66 278 300 844 1,490 4,080 1,020 412 269
29 208 82 105 64 294 296 876 1,820 4,320 944 459 263
30 206   102 64 375 202 930 1,490 3,770 913 415 267
31 207   98   809   812 1,600   907   262