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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 11273400 SAN JOAQUIN R AB MERCED R NR NEWMAN CA


Stanislaus County, California
Hydrologic Unit Code 18040001
Latitude  37°20'50.2", Longitude 120°58'30.5" NAD27
Drainage area 7,949  square miles
Gage datum 60 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 2009-10-01 -> 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
1 501 621 790 467 292 383 177 172 191 175 261 319
2 371 753 686 474 287 377 171 178 194 182 254 340
3 358 747 689 463 296 376 161 177 188 186 256 371
4 349 722 698 465 298 373 155 174 189 187 248 408
5 342 705 742 661 302 361 151 171 187 193 242 409
6 352 727 755 638 307 356 146 172 187 196 238 415
7 410 573 752 612 314 359 149 174 185 195 236 410
8 511 561 766 591 322 361 147 176 182 201 234 398
9 555 550 786 596 332 364 145 177 184 202 233 387
10 493 682 779 582 322 366 147 176 182 202 239 378
11 479 670 747 577 306 362 277 176 185 189 245 371
12 447 529 703 569 297 344 253 175 186 194 250 374
13 436 518 696 532 280 334 247 173 186 197 253 395
14 420 501 708 529 269 330 236 176 187 202 255 404
15 412 491 743 522 263 320 226 178 190 217 257 399
16 412 487 747 503 274 316 390 179 195 234 257 398
17 414 482 740 456 284 318 471 178 199 243 260 397
18 424 480 881 407 289 303 420 172 202 244 266 411
19 474 504 875 399 313 295 379 171 199 253 279 431
20 582 547 850 377 334 311 343 174 192 297 286 441
21 663 394 857 362 347 353 322 180 191 318 285 442
22 686 391 710 357 348 150 304 183 189 301 288 448
23 797 390 703 369 526 145 295 186 177 285 291 445
24 778 560 733 373 516 141 288 187 174 278 297 467
25 780 560 753 370 531 301 269 187 173 284 301 483
26 757 586 599 355 531 259 243 193 170 300 299 504
27 697 636 577 338 385 211 211 196 168 301 300 529
28 650 710 542 322 385 384 185 199 166 290 302 551
29 625 476 492 314 547 360 171 196 167 275 309 577
30 623   454 301 547 351 164 203 172 258 313 623
31 633   435   385   165 196   254   628