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USGS Surface-Water 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 2,109.60 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 2006-10-01 -> 2022-09-30)

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
1 243 187 123 84 60 575 406 829 1,300 3,150 789 354
2 245 183 117 86 58 697 281 804 1,350 2,870 750 385
3 250 180 111 85 55 958 404 1,390 1,420 2,670 652 369
4 254 180 105 83 53 808 340 1,190 1,470 2,530 807 377
5 248 173 102 80 78 643 323 848 1,160 2,320 1,060 378
6 241 170 97 81 62 383 366 746 1,470 2,110 649 376
7 236 169 95 80 109 297 484 829 2,280 1,970 582 365
8 238 163 95 79 50 417 403 738 1,790 2,120 561 370
9 274 155 91 103 50 352 509 776 2,140 1,790 506 360
10 381 153 90 83 206 284 283 896 2,380 1,780 487 348
11 281 163 93 97 251 199 311 958 2,510 1,490 475 356
12 244 163 94 99 356 141 241 1,200 3,320 1,430 470 352
13 222 145 100 126 163 138 406 1,270 2,970 1,500 457 347
14 211 144 111 163 103 487 287 1,580 2,620 1,290 448 343
15 206 138 121 220 128 419 296 1,030 3,480 1,180 432 343
16 322 131 118 104 148 205 656 980 3,860 1,100 419 340
17 222 128 111 80 121 222 645 797 4,200 1,190 418 330
18 210 181 120 78 94 294 430 1,010 4,620 1,240 419 302
19 206 263 170 81 86 333 575 1,010 4,560 1,260 423 288
20 200 264 120 79 87 700 1,210 1,190 4,980 1,260 415 279
21 194 277 129 68 854 320 1,280 1,150 4,840 1,320 412 272
22 193 293 125 69 168 154 1,150 1,020 4,780 1,350 402 266
23 196 268 153 70 339 182 1,250 1,010 4,570 1,250 379 262
24 192 257 119 90 417 326 829 1,090 4,570 1,200 371 254
25 192 254 109 66 314 202 788 1,160 4,440 1,200 367 251
26 192 266 98 61 239 147 986 1,560 4,210 1,090 359 253
27 191 236 93 59 348 325 964 1,690 3,930 1,010 350 252
28 191 154 109 58 245 482 789 1,400 3,810 957 385 253
29 190 82 93 57 257 593 817 1,700 4,040 882 428 248
30 188   90 57 329 357 866 1,400 3,520 853 387 252
31 188   86   707   766 1,520   847   248