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USGS Daily Statistics for Idaho

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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 13336500 SELWAY RIVER NR LOWELL ID


Idaho County, Idaho
Hydrologic Unit Code 17060302
Latitude  46°05'12", Longitude 115°30'50" NAD83
Drainage area 1,915  square miles
Gage datum 1,533.45 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 1910-10-01 -> 2026-09-30)

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 1,230 1,450 1,770 3,600 9,160 15,400 6,130 1,240 722 769 1,200 1,500
2 1,200 1,440 1,790 3,690 9,400 15,300 5,780 1,210 724 776 1,190 1,620
3 1,200 1,390 1,800 3,720 9,820 15,500 5,560 1,160 703 772 1,200 1,630
4 1,200 1,410 1,790 3,770 10,300 15,300 5,330 1,120 684 786 1,200 1,520
5 1,220 1,450 1,780 3,910 10,700 15,200 5,030 1,080 682 770 1,240 1,460
6 1,240 1,410 1,820 4,150 11,000 15,000 4,700 1,060 690 762 1,240 1,390
7 1,280 1,430 1,850 4,380 11,400 14,600 4,450 1,020 691 775 1,370 1,370
8 1,380 1,490 1,860 4,570 11,500 14,200 4,150 991 687 801 1,390 1,350
9 1,320 1,530 1,860 4,710 11,800 13,600 3,890 961 690 799 1,320 1,320
10 1,250 1,590 1,980 4,810 12,100 13,100 3,660 936 681 791 1,300 1,320
11 1,220 1,580 2,050 4,940 12,200 12,800 3,440 921 680 836 1,280 1,380
12 1,190 1,540 2,080 5,150 12,500 12,500 3,230 897 693 950 1,320 1,420
13 1,200 1,510 2,140 5,430 12,900 12,500 3,040 882 696 933 1,430 1,430
14 1,230 1,510 2,190 5,800 13,500 12,100 2,890 869 682 921 1,340 1,450
15 1,280 1,520 2,250 5,970 14,000 11,900 2,720 853 726 917 1,330 1,440
16 1,330 1,550 2,390 6,020 14,500 11,700 2,540 842 753 927 1,310 1,390
17 1,380 1,580 2,430 6,200 14,900 11,400 2,390 823 736 934 1,300 1,310
18 1,390 1,580 2,470 6,570 14,900 10,800 2,260 809 764 931 1,310 1,270
19 1,350 1,630 2,570 6,760 15,100 10,500 2,150 796 763 944 1,270 1,260
20 1,310 1,700 2,610 7,100 15,200 10,200 2,070 787 766 967 1,280 1,280
21 1,290 1,700 2,660 7,370 15,100 9,850 1,950 791 783 962 1,300 1,280
22 1,310 1,720 2,720 7,610 15,000 9,550 1,840 784 767 1,000 1,270 1,430
23 1,340 1,710 2,800 7,830 14,900 9,100 1,750 791 764 1,090 1,310 1,560
24 1,330 1,750 2,870 8,150 15,200 8,670 1,660 788 754 1,040 1,460 1,420
25 1,330 1,760 2,930 8,130 15,100 8,260 1,600 787 745 1,060 1,490 1,320
26 1,290 1,750 3,010 8,130 15,500 7,800 1,530 782 747 1,130 1,520 1,370
27 1,290 1,760 3,080 8,230 15,600 7,380 1,460 762 747 1,080 1,460 1,350
28 1,260 1,740 3,160 8,470 15,800 7,040 1,420 748 741 1,110 1,410 1,320
29 1,270 2,030 3,220 8,630 16,000 6,750 1,370 731 727 1,150 1,410 1,330
30 1,280   3,280 8,890 16,000 6,490 1,330 718 736 1,130 1,490 1,310
31 1,340   3,370   15,500   1,280 723   1,150   1,280