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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 11251000 SAN JOAQUIN R BL FRIANT CA


Fresno County, California
Hydrologic Unit Code 18040001
Latitude  36°59'04", Longitude 119°43'24" NAD27
Drainage area 1,676  square miles
Gage datum 296.55 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 1940-10-01 -> 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
1 539 816 914 1,420 1,790 1,830 1,310 614 465 392 274 309
2 531 793 917 1,450 1,780 1,850 1,300 581 466 386 270 309
3 865 811 897 1,490 1,760 1,870 1,290 564 471 379 259 321
4 720 834 917 1,550 1,750 1,870 1,310 557 466 371 256 346
5 658 823 959 1,620 1,760 1,890 1,310 552 463 365 261 326
6 678 823 966 1,590 1,750 1,900 1,330 550 460 358 258 319
7 692 861 979 1,620 1,810 1,860 1,320 556 456 358 256 310
8 707 872 999 1,640 1,830 1,820 1,280 555 449 365 260 305
9 690 901 1,050 1,630 1,800 1,780 1,240 552 446 364 253 306
10 680 948 1,120 1,630 1,790 1,780 1,220 548 447 362 249 311
11 669 950 1,220 1,650 1,760 1,770 1,150 544 439 360 242 313
12 641 995 1,230 1,660 1,730 1,760 1,050 541 435 353 239 326
13 633 946 1,230 1,650 1,720 1,760 959 541 428 345 251 330
14 647 974 1,220 1,680 1,720 1,710 914 538 418 352 257 323
15 640 1,000 1,200 1,690 1,720 1,680 878 538 414 354 261 315
16 654 998 1,190 1,680 1,760 1,700 851 535 421 352 265 315
17 662 1,030 1,140 1,660 1,840 1,730 838 534 420 345 265 319
18 685 1,090 1,170 1,680 1,860 1,730 829 532 419 340 264 311
19 696 1,110 1,180 1,690 1,810 1,690 799 528 410 328 286 304
20 676 1,060 1,170 1,730 1,810 1,670 734 527 405 312 284 293
21 679 979 1,170 1,750 1,880 1,610 723 526 400 312 269 283
22 797 940 1,170 1,770 1,940 1,540 714 524 399 316 260 289
23 831 911 1,210 1,790 1,960 1,540 686 521 412 317 258 349
24 888 920 1,260 1,810 1,950 1,490 674 515 412 317 274 365
25 892 914 1,280 1,810 1,920 1,420 653 513 413 317 287 399
26 857 909 1,290 1,790 1,900 1,360 656 505 411 306 298 420
27 835 930 1,290 1,760 1,880 1,340 638 502 408 297 298 530
28 871 923 1,330 1,760 1,870 1,350 637 499 397 294 294 601
29 870 844 1,330 1,780 1,860 1,330 634 492 389 295 296 597
30 830   1,320 1,790 1,840 1,330 624 482 387 295 297 586
31 849   1,360   1,840   631 473   285   567