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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 11389500 SACRAMENTO R A COLUSA CA


Colusa County, California
Hydrologic Unit Code 18020104
Latitude  39°12'51", Longitude 121°59'57" NAD27
Drainage area 12,090  square miles
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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 1945-10-01 -> 2023-09-30)

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 15,000 18,000 18,000 14,400 11,000 9,720 8,660 8,630 7,490 6,770 6,500 10,200
2 14,800 17,800 18,100 14,300 10,800 9,610 8,650 8,630 7,490 6,680 6,410 10,600
3 14,200 18,100 18,200 14,000 10,700 9,440 8,660 8,610 7,470 6,570 6,360 11,600
4 14,100 18,000 18,400 13,900 10,500 9,400 8,640 8,570 7,440 6,490 6,250 12,000
5 14,500 17,800 18,600 13,600 10,500 9,380 8,630 8,530 7,370 6,410 6,230 11,900
6 14,800 17,700 18,500 13,500 10,400 9,480 8,640 8,500 7,330 6,380 6,200 11,600
7 14,500 17,500 18,500 13,700 10,400 9,530 8,600 8,460 7,250 6,320 6,180 11,800
8 14,900 17,900 18,200 14,100 10,400 9,500 8,570 8,430 7,210 6,270 6,220 11,800
9 15,400 17,800 17,800 13,800 10,600 9,370 8,550 8,390 7,170 6,220 6,340 11,400
10 16,000 17,900 17,700 13,700 10,900 9,210 8,570 8,330 7,160 6,190 6,650 11,400
11 16,300 18,000 17,800 13,300 10,800 9,090 8,570 8,250 7,160 6,250 7,130 12,100
12 16,500 17,700 17,700 13,200 10,700 8,990 8,570 8,180 7,150 6,310 7,360 12,400
13 16,500 18,000 17,100 13,000 10,600 8,900 8,580 8,130 7,130 6,460 7,340 12,000
14 17,000 18,800 17,000 13,000 10,500 8,830 8,590 8,100 7,120 6,620 7,480 11,900
15 17,200 19,300 16,500 12,900 10,400 8,750 8,620 8,100 7,120 6,570 7,880 12,600
16 17,400 19,100 16,700 12,700 10,100 8,710 8,600 8,070 7,190 6,330 8,120 12,900
17 17,700 19,500 16,800 12,500 9,990 8,730 8,630 7,990 7,170 6,160 8,590 12,800
18 18,200 19,500 16,900 12,300 10,000 8,700 8,630 7,940 7,160 6,020 8,570 13,100
19 18,100 19,300 16,500 12,200 10,200 8,700 8,640 7,910 7,200 5,950 8,610 12,900
20 18,000 19,100 16,100 12,000 10,500 8,680 8,670 7,910 7,210 5,930 8,500 13,200
21 18,200 19,500 16,100 11,800 10,500 8,610 8,700 7,890 7,180 5,950 8,700 13,500
22 18,600 19,100 16,200 11,500 10,400 8,550 8,710 7,880 7,090 5,910 8,750 14,100
23 18,600 18,700 16,300 11,200 10,300 8,530 8,710 7,830 7,010 5,920 8,720 14,600
24 18,800 18,600 16,200 11,000 10,200 8,510 8,710 7,800 6,950 6,040 9,100 14,600
25 18,800 18,500 16,100 11,000 9,990 8,490 8,700 7,750 6,940 6,200 9,510 14,600
26 18,600 18,400 16,100 11,000 9,880 8,480 8,700 7,710 6,910 6,440 9,330 14,300
27 18,700 17,900 15,800 10,900 9,870 8,500 8,690 7,660 6,890 6,330 9,240 14,100
28 18,400 17,900 15,400 10,800 9,800 8,550 8,660 7,610 6,910 6,230 9,240 14,800
29 18,100 19,400 15,300 10,900 9,830 8,600 8,640 7,570 6,900 6,170 9,380 15,000
30 17,900   14,700 11,000 9,800 8,640 8,640 7,540 6,830 6,270 9,820 15,400
31 18,300   14,500   9,720   8,610 7,540   6,470   15,200