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USGS Daily Statistics for Arizona

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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

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 09429600 COLORADO RIVER BELOW LAGUNA DAM, AZ-CA


Imperial County, California
Hydrologic Unit Code 15030107
Latitude  32°48'44", Longitude 114°30'51" NAD27
Drainage area 188,600  square miles
Contributing drainage area 184,600  square miles
Gage datum 123.05 feet above NAVD88
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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 1971-10-01 -> 2025-09-30)

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 1,520 1,580 1,310 1,190 953 1,270 1,580 1,620 1,590 1,380 1,100 1,240
2 1,460 1,610 1,370 1,170 944 1,250 1,570 1,640 1,580 1,390 1,100 1,210
3 1,470 1,580 1,440 1,170 966 1,240 1,560 1,660 1,550 1,370 1,110 1,200
4 1,500 1,550 1,430 1,200 976 1,250 1,570 1,630 1,600 1,350 1,170 1,180
5 1,480 1,480 1,270 1,200 994 1,280 1,560 1,620 1,560 1,350 1,210 1,150
6 1,460 1,360 1,170 1,220 1,030 1,290 1,560 1,660 1,520 1,340 1,190 1,160
7 1,470 1,320 1,140 1,220 927 1,290 1,520 1,660 1,530 1,370 1,150 1,190
8 1,490 1,340 1,260 1,210 929 1,290 1,560 1,630 1,510 1,370 1,150 1,180
9 1,500 1,350 1,250 1,130 955 1,290 1,570 1,630 1,500 1,300 1,170 1,230
10 1,520 1,340 1,130 1,140 1,010 1,290 1,580 1,660 1,540 1,310 1,130 1,220
11 1,520 1,300 1,060 1,170 1,090 1,290 1,570 1,660 1,580 1,290 1,120 1,280
12 1,500 1,300 1,060 1,140 1,120 1,250 1,570 1,650 1,550 1,310 1,150 1,290
13 1,550 1,290 1,060 1,110 1,080 1,220 1,580 1,640 1,540 1,320 1,170 1,280
14 1,560 1,300 1,100 1,050 1,040 1,240 1,620 1,650 1,500 1,230 1,130 1,280
15 1,520 1,260 1,200 1,050 1,120 1,220 1,650 1,680 1,500 1,250 1,130 1,290
16 1,490 1,250 1,280 1,040 1,160 1,220 1,620 1,700 1,500 1,230 1,130 1,270
17 1,460 1,230 1,330 1,020 1,240 1,220 1,630 1,770 1,540 1,270 1,120 1,300
18 1,460 1,250 1,350 1,030 1,200 1,220 1,600 1,820 1,550 1,260 1,140 1,300
19 1,500 1,240 1,260 1,090 1,170 1,220 1,580 1,810 1,540 1,310 1,140 1,310
20 1,520 1,240 1,260 1,140 1,170 1,210 1,570 1,730 1,470 1,310 1,120 1,330
21 1,550 1,240 1,240 1,140 1,200 1,210 1,630 1,670 1,470 1,270 1,160 1,310
22 1,560 1,290 1,220 1,130 1,210 1,200 1,650 1,650 1,460 1,230 1,190 1,310
23 1,530 1,320 1,260 1,040 1,210 1,220 1,660 1,700 1,450 1,250 1,240 1,310
24 1,530 1,330 1,230 989 1,240 1,290 1,630 1,670 1,480 1,270 1,200 1,370
25 1,540 1,270 1,230 1,000 1,290 1,400 1,620 1,720 1,470 1,260 1,180 1,450
26 1,540 1,320 1,250 1,010 1,290 1,520 1,670 1,640 1,510 1,240 1,250 1,390
27 1,570 1,320 1,250 1,010 1,310 1,500 1,640 1,640 1,490 1,180 1,350 1,400
28 1,630 1,280 1,240 1,090 1,310 1,520 1,650 1,780 1,500 1,190 1,300 1,390
29 1,600 1,490 1,230 1,070 1,270 1,550 1,600 1,750 1,450 1,160 1,310 1,380
30 1,560   1,240 972 1,280 1,580 1,620 1,570 1,440 1,100 1,280 1,360
31 1,570   1,220   1,270   1,610 1,560   1,090   1,370