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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 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 -> 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 1,230 1,450 1,770 3,600 9,160 15,400 6,130 1,240 724 772 1,200 1,500
2 1,200 1,440 1,790 3,690 9,400 15,300 5,780 1,210 726 778 1,190 1,620
3 1,200 1,390 1,800 3,720 9,820 15,500 5,560 1,170 706 774 1,200 1,630
4 1,200 1,410 1,790 3,770 10,300 15,300 5,330 1,120 687 785 1,200 1,520
5 1,220 1,450 1,780 3,910 10,700 15,200 5,030 1,090 684 770 1,240 1,460
6 1,240 1,410 1,820 4,150 11,000 15,000 4,700 1,060 692 763 1,240 1,390
7 1,280 1,430 1,850 4,380 11,400 14,600 4,450 1,020 693 777 1,380 1,370
8 1,380 1,490 1,860 4,570 11,500 14,200 4,150 992 690 803 1,390 1,350
9 1,320 1,530 1,860 4,710 11,800 13,600 3,910 962 692 802 1,320 1,320
10 1,250 1,590 1,980 4,810 12,100 13,100 3,690 938 684 794 1,300 1,320
11 1,220 1,580 2,050 4,940 12,200 12,800 3,470 923 683 840 1,280 1,380
12 1,190 1,540 2,080 5,150 12,500 12,500 3,250 900 695 954 1,320 1,420
13 1,200 1,510 2,140 5,430 12,900 12,500 3,060 885 698 935 1,430 1,430
14 1,230 1,510 2,190 5,800 13,500 12,100 2,910 871 684 924 1,340 1,450
15 1,280 1,520 2,250 5,970 14,000 11,900 2,740 856 728 920 1,310 1,440
16 1,330 1,550 2,390 6,020 14,500 11,700 2,550 845 755 931 1,300 1,390
17 1,380 1,580 2,430 6,200 14,900 11,400 2,400 826 738 938 1,290 1,310
18 1,390 1,580 2,470 6,570 14,900 10,800 2,270 812 767 935 1,310 1,270
19 1,350 1,630 2,570 6,760 15,100 10,500 2,170 799 766 948 1,270 1,260
20 1,310 1,700 2,610 7,100 15,200 10,200 2,080 789 769 968 1,280 1,280
21 1,290 1,700 2,660 7,370 15,100 9,850 1,960 794 787 963 1,300 1,280
22 1,310 1,720 2,720 7,610 15,000 9,550 1,850 787 770 1,010 1,270 1,430
23 1,340 1,710 2,800 7,830 14,900 9,100 1,760 794 767 1,090 1,310 1,560
24 1,330 1,750 2,870 8,150 15,200 8,670 1,670 792 757 1,040 1,460 1,420
25 1,330 1,760 2,930 8,130 15,100 8,260 1,610 790 748 1,070 1,490 1,320
26 1,290 1,750 3,010 8,130 15,500 7,800 1,540 785 751 1,130 1,520 1,370
27 1,290 1,760 3,080 8,230 15,600 7,380 1,470 764 751 1,080 1,460 1,350
28 1,260 1,740 3,160 8,470 15,800 7,040 1,420 749 744 1,120 1,410 1,320
29 1,270 2,030 3,220 8,630 16,000 6,750 1,380 731 730 1,150 1,410 1,330
30 1,280   3,280 8,890 16,000 6,490 1,330 719 738 1,130 1,490 1,310
31 1,340   3,370   15,500   1,290 725   1,160   1,280