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USGS Daily Statistics for California

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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 11303500 SAN JOAQUIN R NR VERNALIS CA


San Joaquin County, California
Hydrologic Unit Code 18040003
Latitude  37°40'34", Longitude 121°15'55" NAD27
Drainage area 13,539  square miles
Gage datum 25 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 1923-10-01 -> 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 4,310 5,570 7,420 7,260 7,400 7,580 4,070 1,500 1,540 1,920 2,280 2,380
2 4,320 5,560 7,360 7,300 7,300 7,460 3,880 1,490 1,540 1,940 2,250 2,410
3 4,280 5,610 7,320 7,220 7,230 7,400 3,710 1,490 1,540 1,980 2,210 2,470
4 4,510 5,640 7,320 7,140 7,220 7,410 3,590 1,490 1,540 2,010 2,180 2,520
5 4,590 5,700 7,330 7,110 7,230 7,380 3,520 1,470 1,550 2,030 2,150 2,700
6 4,470 5,770 7,320 7,100 7,290 7,300 3,420 1,460 1,560 2,040 2,100 2,820
7 4,470 5,800 7,330 7,140 7,330 7,160 3,330 1,450 1,560 2,060 2,030 2,910
8 4,430 5,860 7,280 7,180 7,370 7,030 3,240 1,450 1,580 2,110 2,000 3,130
9 4,460 5,940 7,260 7,300 7,380 6,920 3,130 1,440 1,600 2,120 1,990 3,480
10 4,500 6,080 7,260 7,360 7,410 6,810 3,020 1,430 1,610 2,110 1,980 3,480
11 4,560 6,210 7,300 7,340 7,420 6,720 2,950 1,430 1,610 2,130 1,970 3,350
12 4,590 6,430 7,350 7,380 7,420 6,630 2,880 1,430 1,630 2,160 1,960 3,300
13 4,590 6,590 7,260 7,380 7,400 6,490 2,780 1,430 1,640 2,180 1,940 3,240
14 4,530 6,710 7,210 7,340 7,350 6,330 2,680 1,430 1,660 2,220 1,950 3,140
15 4,520 6,790 7,240 7,300 7,300 6,190 2,580 1,430 1,710 2,270 1,960 3,060
16 4,660 6,830 7,240 7,290 7,310 6,090 2,490 1,420 1,720 2,320 1,980 3,040
17 4,810 6,930 7,310 7,340 7,330 5,980 2,410 1,430 1,730 2,350 1,980 3,060
18 4,950 7,040 7,380 7,370 7,310 5,820 2,320 1,450 1,750 2,340 1,990 3,060
19 5,060 7,160 7,380 7,340 7,330 5,690 2,210 1,460 1,760 2,310 2,010 3,070
20 5,060 7,270 7,360 7,320 7,390 5,600 2,100 1,470 1,790 2,290 2,060 3,070
21 5,070 7,330 7,340 7,330 7,460 5,510 1,990 1,470 1,800 2,290 2,180 3,090
22 5,130 7,370 7,230 7,330 7,450 5,420 1,890 1,480 1,800 2,300 2,290 3,120
23 5,280 7,380 7,140 7,290 7,460 5,320 1,820 1,480 1,810 2,290 2,390 3,160
24 5,280 7,400 7,070 7,260 7,480 5,180 1,750 1,490 1,830 2,300 2,370 3,350
25 5,320 7,390 7,010 7,280 7,500 5,040 1,710 1,500 1,840 2,340 2,350 3,700
26 5,430 7,380 7,050 7,290 7,560 4,830 1,660 1,510 1,850 2,370 2,340 3,840
27 5,600 7,360 7,120 7,320 7,590 4,700 1,620 1,520 1,860 2,380 2,310 3,710
28 5,650 7,300 7,130 7,380 7,660 4,520 1,590 1,520 1,870 2,370 2,310 3,900
29 5,740 7,420 7,140 7,420 7,740 4,390 1,570 1,530 1,870 2,350 2,320 4,060
30 5,700   7,200 7,440 7,740 4,230 1,550 1,540 1,890 2,320 2,340 4,140
31 5,620   7,190   7,680   1,530 1,540   2,300   4,240