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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 -> 2020-09-30)

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 1,950 2,690 3,350 5,480 6,550 7,070 3,650 966 750 764 971 1,620
2 1,850 2,640 3,320 5,570 6,550 6,980 3,520 955 743 772 962 1,870
3 1,760 2,560 3,400 5,530 6,610 7,070 3,420 933 727 772 954 1,870
4 1,670 2,510 3,400 5,500 6,680 7,040 3,300 908 718 780 958 1,720
5 1,610 2,440 3,390 5,610 6,830 7,110 3,160 886 718 779 962 1,600
6 1,680 2,390 3,500 5,890 7,010 7,030 3,040 863 719 776 972 1,540
7 1,900 2,900 3,550 6,160 7,180 6,870 2,940 845 714 776 1,020 1,600
8 2,000 3,010 3,610 6,380 7,270 6,630 2,820 832 720 784 1,080 1,670
9 1,940 2,980 3,720 6,480 7,370 6,420 2,730 812 718 791 1,090 1,600
10 1,870 2,920 4,170 6,390 7,290 6,130 2,660 790 717 802 1,100 1,540
11 1,830 2,780 4,230 6,300 7,360 5,920 2,530 781 714 829 1,110 1,620
12 1,830 2,730 4,220 6,280 7,350 5,860 2,390 774 711 863 1,200 2,050
13 1,840 2,820 4,270 6,410 7,340 5,850 2,290 765 711 861 1,200 2,070
14 1,940 2,800 4,340 6,640 7,330 5,750 2,180 763 709 853 1,180 2,210
15 2,140 2,920 4,430 6,550 7,400 5,670 2,050 758 720 847 1,140 2,200
16 2,400 3,160 4,650 6,510 7,530 5,610 1,920 761 726 843 1,140 1,890
17 2,520 3,360 4,580 6,560 7,640 5,490 1,800 756 723 844 1,140 1,760
18 2,480 3,540 4,710 6,620 7,700 5,370 1,700 748 721 832 1,140 1,720
19 2,480 3,780 4,890 6,690 7,830 5,310 1,610 743 724 837 1,130 1,640
20 2,450 3,700 4,840 6,910 7,840 5,200 1,520 738 734 847 1,160 1,630
21 2,400 3,640 4,890 6,980 7,800 5,080 1,440 740 742 859 1,210 1,770
22 2,230 3,680 4,950 6,890 7,630 4,910 1,360 740 738 882 1,210 2,110
23 2,130 3,690 5,050 6,920 7,550 4,720 1,300 747 733 925 1,240 2,250
24 2,250 3,710 5,160 7,030 7,460 4,540 1,240 772 732 923 1,300 1,960
25 2,290 3,680 5,200 6,880 7,420 4,410 1,190 773 734 915 1,360 1,890
26 2,280 3,560 5,270 6,730 7,500 4,280 1,140 766 744 921 1,530 1,890
27 2,250 3,450 5,260 6,640 7,530 4,150 1,100 757 752 925 1,470 1,830
28 2,280 3,430 5,200 6,670 7,410 3,990 1,060 749 746 932 1,500 1,820
29 2,420 3,940 5,170 6,620 7,320 3,880 1,030 740 753 957 1,530 1,920
30 2,500   5,300 6,600 7,340 3,770 1,000 736 759 950 1,560 1,900
31 2,610   5,360   7,220   983 739   963   1,900