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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 07343000 N Sulphur Rv nr Cooper, TX


Lamar County, Texas
Hydrologic Unit Code 11140301
Latitude  33°28'29", Longitude  95°35'15" NAD27
Drainage area 276  square miles
Contributing drainage area 276  square miles
Gage datum 372.22 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 1949-10-01 -> 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
1 244 837 709 246 585 418 131 58 32 57 416 166
2 188 199 261 200 1,150 182 147 21 95 7.8 83 148
3 492 231 650 181 958 609 217 45 28 46 70 405
4 261 367 479 356 321 702 54 8.2 33 158 494 272
5 152 228 249 366 193 399 280 8.3 32 122 448 176
6 170 237 183 205 196 336 61 21 174 86 222 287
7 226 227 234 91 353 555 39 38 146 92 189 251
8 155 793 241 263 485 442 30 25 85 96 104 294
9 121 454 647 81 303 244 47 4.9 86 471 131 386
10 241 176 485 223 593 317 280 29 43 50 295 406
11 245 285 336 136 664 326 120 32 18 87 87 365
12 249 851 291 417 671 411 66 6.3 52 116 73 367
13 314 322 488 370 909 315 44 363 86 474 108 332
14 149 145 381 356 291 249 45 88 40 132 106 258
15 204 299 289 102 255 130 328 21 108 257 286 496
16 92 637 361 85 523 706 336 8.6 209 451 310 778
17 181 574 429 159 842 226 147 33 250 68 255 238
18 237 236 894 284 322 290 87 34 177 50 169 218
19 448 168 775 252 276 193 76 16 32 1,130 204 210
20 231 543 1,540 323 311 298 36 5.2 60 336 145 216
21 134 608 351 310 259 252 19 20 112 50 55 337
22 235 369 159 565 137 86 27 12 252 238 146 178
23 229 441 291 381 357 170 68 6.5 278 140 209 209
24 186 435 237 649 409 260 45 3.1 61 208 530 301
25 353 371 328 834 598 157 17 1.7 106 73 501 141
26 280 507 170 773 403 218 189 2 85 277 392 478
27 113 321 422 341 280 195 65 32 194 329 912 757
28 117 464 349 467 295 150 29 25 56 410 432 288
29 520 42 381 1,150 362 145 93 20 126 344 214 234
30 385   560 910 556 111 31 40 15 252 188 180
31 569   330   693   116 91   691   505