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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
1 540 821 915 1,430 1,800 1,830 1,310 614 465 392 272 307
2 532 798 917 1,460 1,800 1,850 1,300 581 466 386 268 307
3 870 816 898 1,500 1,770 1,870 1,290 564 471 378 257 319
4 724 839 917 1,560 1,770 1,870 1,310 557 466 370 254 345
5 661 828 960 1,630 1,760 1,890 1,310 552 463 365 259 325
6 681 828 967 1,600 1,750 1,900 1,330 550 460 357 256 318
7 695 867 980 1,630 1,810 1,860 1,320 556 456 357 254 309
8 710 878 1,000 1,640 1,830 1,820 1,280 555 449 364 258 303
9 693 907 1,050 1,640 1,800 1,780 1,240 552 446 363 251 304
10 683 954 1,120 1,640 1,790 1,780 1,220 548 447 362 246 309
11 672 957 1,230 1,660 1,760 1,770 1,150 544 439 359 240 312
12 643 1,000 1,230 1,670 1,730 1,760 1,050 541 435 352 237 324
13 635 951 1,230 1,660 1,720 1,760 959 541 428 345 249 329
14 650 980 1,220 1,690 1,720 1,710 914 538 418 351 255 322
15 643 1,010 1,200 1,700 1,720 1,680 878 538 414 353 258 313
16 657 1,000 1,190 1,690 1,760 1,700 851 535 421 352 263 314
17 666 1,030 1,150 1,670 1,840 1,730 838 534 420 344 262 317
18 688 1,100 1,170 1,690 1,860 1,730 829 532 419 339 262 309
19 699 1,110 1,180 1,700 1,810 1,690 799 528 410 327 284 303
20 679 1,060 1,170 1,740 1,810 1,670 734 527 405 311 282 292
21 682 983 1,170 1,760 1,880 1,610 723 526 400 311 267 281
22 801 944 1,170 1,790 1,940 1,540 714 524 399 315 257 287
23 835 914 1,210 1,810 1,960 1,540 686 521 412 316 256 348
24 893 923 1,270 1,820 1,950 1,490 674 515 412 316 272 364
25 897 917 1,280 1,820 1,920 1,420 653 513 413 316 285 398
26 862 912 1,290 1,800 1,900 1,360 656 505 411 305 296 420
27 839 933 1,290 1,780 1,880 1,340 638 502 408 295 296 532
28 877 925 1,330 1,770 1,870 1,350 637 499 397 293 292 604
29 876 844 1,340 1,800 1,860 1,330 634 492 389 293 295 599
30 835   1,330 1,800 1,840 1,330 624 482 387 293 295 588
31 854   1,360   1,840   631 473   284   569