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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 -> 2020-09-30)

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 4,380 5,660 7,620 7,200 7,400 7,600 4,130 1,520 1,570 1,970 2,290 2,440
2 4,360 5,660 7,530 7,240 7,300 7,480 3,940 1,500 1,570 1,990 2,270 2,470
3 4,310 5,710 7,480 7,160 7,230 7,420 3,760 1,500 1,560 2,030 2,240 2,520
4 4,580 5,750 7,490 7,080 7,220 7,430 3,640 1,500 1,570 2,070 2,220 2,560
5 4,680 5,810 7,490 7,050 7,230 7,390 3,560 1,480 1,580 2,090 2,190 2,740
6 4,560 5,890 7,470 7,040 7,300 7,320 3,450 1,480 1,590 2,090 2,150 2,870
7 4,540 5,920 7,470 7,080 7,330 7,170 3,360 1,460 1,600 2,110 2,080 2,950
8 4,510 5,980 7,410 7,130 7,370 7,040 3,270 1,450 1,620 2,150 2,040 3,180
9 4,530 6,080 7,380 7,250 7,380 6,930 3,160 1,450 1,640 2,170 2,040 3,540
10 4,560 6,240 7,370 7,320 7,410 6,820 3,060 1,440 1,640 2,160 2,020 3,550
11 4,590 6,380 7,400 7,300 7,420 6,720 2,980 1,430 1,650 2,180 2,010 3,410
12 4,620 6,620 7,430 7,340 7,440 6,630 2,900 1,420 1,670 2,220 2,010 3,350
13 4,620 6,780 7,330 7,340 7,420 6,480 2,800 1,420 1,680 2,240 1,990 3,280
14 4,560 6,910 7,240 7,310 7,370 6,320 2,700 1,430 1,700 2,270 2,000 3,190
15 4,530 7,000 7,220 7,270 7,330 6,190 2,590 1,420 1,750 2,320 2,010 3,120
16 4,640 7,040 7,190 7,260 7,340 6,090 2,490 1,420 1,770 2,370 2,020 3,100
17 4,760 7,160 7,240 7,310 7,370 5,980 2,410 1,430 1,770 2,390 2,030 3,120
18 4,870 7,280 7,290 7,340 7,350 5,830 2,320 1,450 1,790 2,370 2,040 3,130
19 4,980 7,400 7,290 7,300 7,370 5,690 2,210 1,470 1,800 2,340 2,060 3,140
20 5,000 7,520 7,270 7,280 7,440 5,610 2,090 1,480 1,830 2,330 2,110 3,140
21 5,020 7,570 7,260 7,300 7,500 5,530 1,980 1,480 1,840 2,320 2,240 3,160
22 5,100 7,610 7,140 7,300 7,480 5,440 1,880 1,490 1,840 2,330 2,350 3,200
23 5,270 7,620 7,040 7,260 7,490 5,350 1,810 1,500 1,860 2,310 2,450 3,240
24 5,280 7,630 6,980 7,230 7,500 5,210 1,750 1,500 1,880 2,310 2,440 3,440
25 5,340 7,620 6,920 7,250 7,520 5,080 1,700 1,510 1,890 2,340 2,410 3,800
26 5,460 7,600 6,960 7,260 7,580 4,870 1,650 1,520 1,900 2,370 2,400 3,940
27 5,640 7,580 7,030 7,300 7,620 4,740 1,620 1,540 1,910 2,390 2,370 3,800
28 5,700 7,510 7,050 7,370 7,690 4,570 1,590 1,540 1,920 2,390 2,370 4,000
29 5,810 7,620 7,050 7,400 7,770 4,440 1,580 1,550 1,930 2,370 2,380 4,150
30 5,770   7,120 7,430 7,770 4,280 1,560 1,560 1,950 2,340 2,400 4,230
31 5,700   7,120   7,710   1,540 1,560   2,320   4,330