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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 -> 2021-09-30)

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
1 358 641 700 474 324 449 206 182 212 193 296 349
2 347 628 719 485 319 441 199 187 216 198 287 371
3 338 626 717 473 330 441 187 187 205 200 289 406
4 333 632 724 476 336 437 179 185 205 201 280 446
5 328 644 771 719 343 422 175 182 203 209 272 445
6 341 690 783 698 350 414 169 183 202 215 265 447
7 406 516 781 671 360 417 172 184 202 215 262 438
8 518 511 797 648 370 420 169 184 198 223 260 424
9 567 507 819 658 380 425 167 186 203 221 258 410
10 500 674 812 646 369 428 170 186 200 219 264 399
11 485 665 777 642 350 425 324 188 203 216 268 387
12 451 499 730 635 339 403 294 189 204 221 272 383
13 440 489 720 596 318 391 289 186 204 225 275 383
14 423 475 734 595 305 387 276 190 208 230 277 385
15 413 472 773 589 299 375 264 190 212 248 279 388
16 414 475 812 569 312 369 250 190 219 268 279 394
17 415 474 800 512 323 371 374 190 224 278 282 397
18 426 476 959 452 330 354 341 185 227 280 289 418
19 482 511 947 445 359 345 317 184 224 290 304 446
20 601 566 915 424 385 364 291 184 215 341 312 461
21 690 386 926 409 401 415 272 189 214 365 311 464
22 715 387 758 401 403 170 260 193 209 345 314 470
23 833 387 752 417 611 165 245 195 194 327 317 466
24 812 591 792 422 599 161 233 199 189 318 323 488
25 815 582 819 419 618 355 219 201 186 323 329 503
26 789 603 635 401 619 304 206 209 184 342 328 520
27 724 628 607 381 453 246 195 212 184 343 328 539
28 673 665 560 362 454 223 186 213 184 330 329 544
29 646 476 498 351 640 206 182 208 186 312 337 533
30 646   453 335 638 195 179 222 192 293 342 549
31 656   431   449   179 217   288   547