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USGS Daily Statistics for Oregon

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 13333000 GRANDE RONDE RIVER AT TROY, OR


Wallowa County, Oregon
Hydrologic Unit Code 17060106
Latitude  45°56'45", Longitude 117°27'00" NAD27
Drainage area 3,275  square miles
Gage datum 1,585.98 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 1944-10-01 -> 2021-09-30)

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 1,940 2,670 3,340 5,470 6,550 7,070 3,650 966 748 764 970 1,610
2 1,840 2,620 3,310 5,580 6,550 6,980 3,520 955 742 771 961 1,850
3 1,760 2,550 3,380 5,550 6,610 7,070 3,420 933 726 772 954 1,860
4 1,670 2,500 3,390 5,520 6,680 7,040 3,300 908 716 779 957 1,710
5 1,620 2,430 3,390 5,640 6,830 7,110 3,160 886 716 778 961 1,590
6 1,690 2,380 3,500 5,900 7,010 7,030 3,040 863 717 775 975 1,530
7 1,900 2,880 3,550 6,170 7,180 6,870 2,940 845 712 775 1,030 1,590
8 2,000 2,990 3,610 6,380 7,270 6,630 2,820 832 718 783 1,080 1,660
9 1,940 2,960 3,710 6,470 7,370 6,420 2,730 812 716 790 1,090 1,590
10 1,870 2,900 4,160 6,380 7,290 6,130 2,660 790 715 801 1,090 1,530
11 1,820 2,760 4,210 6,290 7,360 5,920 2,530 781 713 830 1,110 1,610
12 1,830 2,710 4,200 6,270 7,350 5,860 2,390 774 710 866 1,200 2,030
13 1,870 2,800 4,250 6,410 7,340 5,850 2,290 765 709 863 1,200 2,050
14 1,970 2,780 4,330 6,640 7,330 5,750 2,180 763 707 855 1,180 2,190
15 2,150 2,900 4,420 6,550 7,400 5,670 2,050 758 718 849 1,140 2,180
16 2,400 3,140 4,640 6,510 7,530 5,610 1,920 761 725 844 1,140 1,880
17 2,520 3,330 4,570 6,560 7,640 5,490 1,800 756 722 846 1,140 1,740
18 2,480 3,510 4,700 6,620 7,700 5,370 1,700 748 720 834 1,150 1,710
19 2,470 3,750 4,900 6,690 7,830 5,310 1,610 743 723 838 1,140 1,640
20 2,450 3,670 4,850 6,910 7,840 5,200 1,520 737 734 849 1,170 1,630
21 2,390 3,610 4,900 6,980 7,800 5,080 1,440 739 742 860 1,210 1,780
22 2,230 3,660 4,950 6,890 7,630 4,910 1,360 739 738 883 1,210 2,120
23 2,130 3,690 5,050 6,920 7,550 4,720 1,300 745 732 925 1,240 2,250
24 2,240 3,700 5,150 7,030 7,460 4,540 1,240 770 732 925 1,300 1,960
25 2,280 3,680 5,190 6,880 7,420 4,410 1,190 771 733 918 1,360 1,890
26 2,270 3,550 5,270 6,730 7,500 4,280 1,140 764 744 922 1,520 1,880
27 2,240 3,440 5,250 6,640 7,530 4,150 1,100 756 753 926 1,460 1,830
28 2,270 3,410 5,190 6,670 7,410 3,990 1,060 747 746 933 1,490 1,820
29 2,410 3,940 5,180 6,620 7,320 3,880 1,030 738 753 957 1,520 1,910
30 2,490   5,300 6,600 7,340 3,770 1,000 734 759 950 1,550 1,890
31 2,590   5,360   7,220   983 737   963   1,890