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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 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 -> 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
1 269 206 135 95 71 714 274 934 1,440 3,560 851 393
2 272 201 129 97 66 850 250 910 1,500 3,240 806 429
3 276 198 123 96 64 1,020 309 1,570 1,580 3,010 693 412
4 279 200 117 94 62 942 309 1,320 1,630 2,860 872 422
5 272 192 113 90 93 786 295 943 1,270 2,610 1,160 423
6 265 188 108 92 72 470 365 830 1,640 2,360 690 421
7 259 188 106 90 132 366 497 929 2,580 2,220 614 408
8 262 181 105 90 58 518 412 828 2,020 2,390 590 414
9 304 172 102 117 59 435 550 872 2,130 2,010 525 403
10 428 170 100 94 175 352 289 1,000 2,650 2,000 505 389
11 313 181 104 110 228 247 326 1,030 2,840 1,660 492 399
12 271 179 104 113 419 171 237 1,290 3,780 1,590 487 395
13 243 161 112 143 165 116 236 1,340 3,280 1,670 472 389
14 230 160 124 186 116 574 197 1,750 2,930 1,430 460 385
15 224 152 137 252 149 472 289 1,090 3,660 1,310 443 386
16 358 144 134 118 179 232 717 1,050 4,050 1,210 428 383
17 244 140 125 91 147 256 703 796 4,630 1,310 425 371
18 230 200 136 88 113 344 461 1,090 5,190 1,380 428 339
19 225 296 194 92 103 393 604 1,110 5,160 1,400 432 324
20 219 297 136 90 105 849 1,360 1,190 5,670 1,400 422 313
21 212 312 146 77 1,060 359 1,450 1,240 5,510 1,460 418 306
22 210 331 141 78 206 162 1,310 1,110 5,440 1,500 410 300
23 214 303 174 79 419 179 1,400 1,060 5,200 1,380 398 295
24 210 290 135 103 353 175 919 1,200 5,200 1,330 398 286
25 210 287 124 75 285 134 857 1,290 5,060 1,330 402 282
26 209 301 111 70 271 118 1,060 1,760 4,790 1,200 393 282
27 209 267 105 67 410 349 1,070 1,910 4,470 1,110 385 282
28 209 171 124 66 299 254 875 1,580 4,330 1,050 426 282
29 208 82 105 66 316 282 920 1,920 4,590 961 477 276
30 206   102 66 405 181 982 1,580 4,000 925 431 280
31 207   98   875   856 1,690   917   274