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USGS Daily Statistics for Iowa

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NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 05465100 Iowa River at Columbus Junction, IA


Louisa County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°16'42", Longitude  91°20'48" NAD27
Drainage area 12,261.00  square miles
Gage datum 587 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 2020-10-01 -> 2022-09-30)

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 3,000 3,300 3,590 8,850 16,100     2,860 5,280 2,340 4,780 4,180
2 2,180 3,380 3,400 8,640 16,500     2,780 9,850 2,320 4,610 4,130
3 2,710 3,400 3,300 8,620 16,800     2,690 13,400 2,310 4,760 4,130
4 3,020 3,400 3,170 8,970 20,700     2,610 16,300 2,270 4,760 4,070
5 3,030 3,390 3,220 9,500 24,500     2,510 14,900 2,260 4,600 3,970
6 3,020 3,390 3,770 9,810 24,100     2,470 9,330 2,330 4,420 3,890
7 2,980 3,380 4,920 10,400 23,400     2,440 7,320 2,320 4,240 3,790
8 2,930 3,380 6,170 9,900 22,300     2,380 7,230 2,330 4,080 3,660
9 2,930 3,380 7,680 9,450 20,800     2,330 7,220 2,450 4,020 3,440
10 3,030 3,410 8,510 9,120 19,400     2,280 6,650 2,650 4,020 3,240
11 3,150 3,480 8,120 8,350 18,300     2,260 5,960 2,700 4,030 3,360
12 3,300 3,560 7,240 7,770 17,600     2,330 5,180 3,010 4,160 3,600
13 3,380 3,550 6,360 8,110 17,200   4,480 2,980 4,650 3,770 4,640 3,740
14 3,480 3,450 5,540 7,930 16,300   4,230 3,530 4,300 3,730 5,050 3,610
15 3,500 3,420 5,870 7,770 15,000   6,790 3,020 4,010 3,940 5,450 3,830
16 3,490 3,440 6,120 7,550 13,800   8,740 2,650 3,810 3,530 6,100 4,190
17 3,450 3,520 6,070 8,740 13,000   7,320 2,440 3,490 3,300 6,290 4,200
18 3,360 3,710 6,010 11,800 12,100   6,300 2,300 3,290 3,090 6,120 4,210
19 3,310 3,680 6,440 13,000 11,400   5,830 2,210 3,160 2,980 5,890 4,250
20 3,300 3,670 7,950 12,200     5,770 2,170 3,040 2,850 5,660 4,220
21 3,300 3,710 8,890 11,100     5,380 2,130 2,940 2,770 5,450 4,310
22 3,290 3,810 9,490 10,800     4,960 2,130 2,870 2,630 5,250 4,380
23 3,280 3,920 9,560 12,700     4,600 2,180 2,800 2,490 5,090 4,210
24 3,290 3,970 12,300 17,500     4,260 2,300 2,720 2,580 4,870 3,730
25 3,320 4,040 12,000 18,000     3,980 2,790 2,640 4,190 4,630 3,290
26 3,290 4,010 11,200 17,800     3,710 3,080 2,590 6,680 4,550 3,640
27 3,270 3,910 11,000 17,200     3,530 3,300 2,530 5,510 4,440 4,050
28 3,260 3,820 10,700 16,000     3,360 3,040 2,460 4,900 4,370 4,320
29 3,260   10,200 15,400     3,180 2,880 2,430 4,940 4,320 4,480
30 3,250   9,370 15,300     3,080 2,810 2,370 5,560 4,250 4,270
31 3,260   9,070       2,990 2,790   5,320   3,720