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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 -> 2019-09-30)

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 4,410 5,710 7,520 7,100 7,380 7,520 4,130 1,500 1,550 1,950 2,290 2,440
2 4,390 5,700 7,430 7,130 7,290 7,380 3,930 1,480 1,550 1,970 2,270 2,470
3 4,340 5,750 7,380 7,050 7,210 7,320 3,750 1,490 1,550 2,020 2,240 2,520
4 4,620 5,760 7,380 6,970 7,200 7,330 3,630 1,490 1,560 2,060 2,220 2,560
5 4,720 5,820 7,390 6,950 7,220 7,290 3,560 1,470 1,570 2,080 2,190 2,740
6 4,590 5,890 7,380 6,950 7,280 7,210 3,460 1,470 1,580 2,090 2,150 2,880
7 4,580 5,930 7,380 7,000 7,320 7,060 3,370 1,450 1,590 2,110 2,080 2,970
8 4,550 6,000 7,310 7,060 7,350 6,930 3,280 1,430 1,610 2,160 2,040 3,200
9 4,570 6,100 7,270 7,190 7,360 6,820 3,170 1,430 1,620 2,170 2,040 3,570
10 4,590 6,250 7,260 7,260 7,380 6,720 3,050 1,420 1,630 2,160 2,020 3,570
11 4,620 6,390 7,290 7,250 7,400 6,620 2,970 1,410 1,640 2,180 2,010 3,430
12 4,660 6,620 7,320 7,290 7,410 6,540 2,890 1,410 1,660 2,210 2,010 3,370
13 4,660 6,790 7,220 7,300 7,390 6,390 2,790 1,410 1,670 2,240 1,990 3,310
14 4,600 6,920 7,130 7,260 7,350 6,240 2,690 1,410 1,690 2,270 2,000 3,210
15 4,560 7,000 7,130 7,220 7,300 6,110 2,590 1,400 1,740 2,320 2,010 3,140
16 4,680 7,020 7,100 7,220 7,310 6,020 2,490 1,400 1,750 2,380 2,020 3,130
17 4,790 7,120 7,150 7,260 7,330 5,920 2,400 1,410 1,760 2,390 2,030 3,140
18 4,900 7,230 7,200 7,300 7,300 5,770 2,310 1,420 1,770 2,370 2,040 3,150
19 5,010 7,340 7,200 7,270 7,310 5,640 2,190 1,440 1,790 2,340 2,060 3,160
20 5,030 7,460 7,180 7,250 7,370 5,550 2,080 1,460 1,820 2,330 2,110 3,160
21 5,050 7,500 7,160 7,270 7,430 5,480 1,970 1,460 1,830 2,320 2,240 3,180
22 5,130 7,540 7,060 7,270 7,410 5,400 1,870 1,470 1,830 2,330 2,350 3,220
23 5,300 7,540 6,970 7,230 7,420 5,310 1,800 1,470 1,840 2,310 2,450 3,270
24 5,310 7,560 6,890 7,210 7,440 5,170 1,730 1,480 1,860 2,310 2,440 3,460
25 5,380 7,550 6,830 7,220 7,460 5,040 1,680 1,490 1,880 2,340 2,410 3,830
26 5,500 7,530 6,860 7,240 7,520 4,830 1,630 1,500 1,890 2,370 2,400 3,970
27 5,690 7,490 6,930 7,280 7,560 4,700 1,600 1,520 1,900 2,390 2,370 3,830
28 5,750 7,420 6,950 7,350 7,630 4,540 1,580 1,520 1,900 2,390 2,370 4,030
29 5,860 7,620 6,960 7,380 7,710 4,420 1,570 1,530 1,900 2,370 2,380 4,190
30 5,820   7,030 7,420 7,700 4,280 1,550 1,540 1,930 2,340 2,400 4,260
31 5,740   7,020   7,640   1,520 1,540   2,320   4,360