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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 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 -> 2025-09-30)

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
1 241 830 691 241 612 410 129 58 32 56 411 164
2 185 199 255 207 1,140 192 145 21 93 7.7 82 146
3 485 229 633 192 947 707 214 45 28 46 69 399
4 258 363 469 375 317 1,010 53 8.1 32 156 487 269
5 150 226 246 654 234 555 276 8.2 32 120 442 173
6 168 234 180 222 301 340 60 20 172 85 219 283
7 223 225 229 94 380 550 39 38 144 91 187 248
8 153 783 240 259 478 438 30 24 84 94 102 290
9 120 449 642 198 355 242 47 4.9 85 465 129 381
10 239 174 477 235 615 320 276 29 42 50 291 401
11 244 290 329 149 651 327 118 31 18 86 86 360
12 251 883 284 410 763 407 65 6.2 51 115 72 362
13 317 326 477 363 965 312 43 358 85 468 106 328
14 150 146 374 348 305 247 44 87 40 130 104 255
15 202 298 505 100 253 129 323 21 106 254 282 490
16 91 631 380 83 511 697 332 8.5 207 446 305 768
17 179 568 464 156 822 223 145 32 247 67 251 235
18 234 234 875 278 316 287 85 33 175 49 167 215
19 443 167 757 247 270 191 75 16 31 1,110 201 207
20 228 537 1,500 357 304 294 36 5.1 59 332 143 213
21 133 601 343 343 253 249 19 20 110 50 54 333
22 232 360 244 554 176 85 27 12 249 234 144 176
23 226 430 294 373 421 168 67 6.4 274 138 207 206
24 184 424 233 633 413 257 45 3 60 205 523 297
25 348 361 543 814 586 155 17 1.7 105 72 494 139
26 277 494 186 755 430 215 187 2 84 273 387 475
27 112 313 416 334 279 193 64 32 191 324 900 754
28 115 453 366 562 317 148 28 25 55 405 426 297
29 513 41 380 1,130 361 144 91 20 124 340 212 237
30 747   549 975 552 109 30 40 15 249 186 180
31 585   324   686   114 90   682   499