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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 4,280 5,550 7,420 7,260 7,400 7,580 4,070 1,500 1,540 1,920 2,280 2,370
2 4,290 5,550 7,360 7,300 7,300 7,460 3,880 1,490 1,540 1,940 2,250 2,400
3 4,250 5,600 7,330 7,220 7,230 7,400 3,710 1,490 1,540 1,980 2,210 2,460
4 4,480 5,630 7,340 7,140 7,220 7,410 3,590 1,490 1,540 2,010 2,180 2,500
5 4,550 5,710 7,360 7,110 7,230 7,380 3,520 1,470 1,550 2,030 2,150 2,690
6 4,430 5,790 7,350 7,100 7,290 7,300 3,420 1,460 1,560 2,040 2,100 2,810
7 4,440 5,810 7,330 7,140 7,330 7,160 3,330 1,450 1,560 2,060 2,030 2,890
8 4,410 5,870 7,280 7,180 7,370 7,030 3,240 1,450 1,580 2,110 1,990 3,110
9 4,430 5,960 7,260 7,300 7,380 6,920 3,130 1,440 1,600 2,120 1,990 3,460
10 4,480 6,100 7,260 7,360 7,410 6,810 3,020 1,430 1,610 2,110 1,980 3,460
11 4,530 6,230 7,300 7,340 7,420 6,720 2,950 1,430 1,610 2,130 1,960 3,330
12 4,570 6,440 7,350 7,380 7,420 6,630 2,880 1,430 1,630 2,160 1,960 3,280
13 4,560 6,590 7,260 7,380 7,400 6,490 2,780 1,430 1,640 2,190 1,940 3,220
14 4,500 6,710 7,210 7,340 7,350 6,330 2,680 1,430 1,660 2,230 1,950 3,120
15 4,490 6,780 7,240 7,300 7,300 6,190 2,580 1,430 1,710 2,280 1,960 3,040
16 4,640 6,820 7,240 7,290 7,310 6,090 2,490 1,420 1,720 2,330 1,970 3,020
17 4,780 6,930 7,310 7,340 7,330 5,980 2,410 1,430 1,730 2,350 1,980 3,040
18 4,920 7,040 7,380 7,370 7,310 5,820 2,320 1,450 1,750 2,340 1,980 3,040
19 5,030 7,160 7,380 7,340 7,330 5,690 2,210 1,460 1,760 2,310 2,010 3,050
20 5,020 7,280 7,360 7,320 7,390 5,600 2,100 1,470 1,790 2,290 2,050 3,060
21 5,040 7,350 7,340 7,330 7,460 5,510 1,990 1,470 1,800 2,290 2,170 3,070
22 5,110 7,400 7,230 7,330 7,450 5,420 1,890 1,480 1,800 2,310 2,280 3,100
23 5,260 7,400 7,140 7,290 7,460 5,320 1,820 1,480 1,810 2,300 2,380 3,150
24 5,260 7,420 7,070 7,260 7,480 5,180 1,750 1,490 1,830 2,300 2,360 3,330
25 5,310 7,410 7,010 7,280 7,500 5,040 1,710 1,500 1,840 2,340 2,340 3,670
26 5,410 7,390 7,050 7,290 7,560 4,830 1,660 1,510 1,850 2,360 2,330 3,810
27 5,570 7,360 7,120 7,320 7,590 4,700 1,620 1,520 1,860 2,370 2,300 3,680
28 5,630 7,310 7,130 7,380 7,660 4,520 1,590 1,520 1,870 2,380 2,300 3,880
29 5,720 7,440 7,140 7,420 7,740 4,390 1,570 1,530 1,870 2,360 2,310 4,030
30 5,680   7,200 7,440 7,740 4,230 1,550 1,540 1,890 2,330 2,330 4,110
31 5,590   7,190   7,680   1,530 1,540   2,310   4,210