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USGS Daily Statistics for Oregon

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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 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 -> 2019-09-30)

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 1,960 2,680 3,360 5,490 6,520 7,010 3,640 970 752 764 975 1,640
2 1,860 2,610 3,340 5,590 6,530 6,940 3,510 958 746 771 966 1,880
3 1,770 2,550 3,410 5,550 6,580 7,040 3,420 936 730 772 958 1,890
4 1,670 2,510 3,410 5,520 6,660 7,020 3,300 911 720 780 961 1,730
5 1,620 2,440 3,390 5,640 6,820 7,100 3,160 889 721 779 966 1,610
6 1,690 2,340 3,490 5,910 7,010 7,010 3,030 866 721 776 976 1,550
7 1,910 2,590 3,540 6,190 7,190 6,860 2,940 847 716 776 1,030 1,610
8 2,020 2,810 3,600 6,410 7,280 6,630 2,810 835 721 784 1,090 1,690
9 1,950 2,850 3,720 6,500 7,390 6,430 2,730 814 718 790 1,090 1,610
10 1,880 2,830 4,180 6,400 7,310 6,140 2,670 792 717 802 1,100 1,550
11 1,840 2,710 4,240 6,300 7,360 5,930 2,530 782 713 830 1,120 1,630
12 1,840 2,670 4,230 6,280 7,340 5,850 2,380 774 710 864 1,210 2,060
13 1,850 2,780 4,280 6,420 7,330 5,840 2,290 766 710 862 1,200 2,080
14 1,960 2,770 4,360 6,660 7,330 5,730 2,180 764 708 853 1,180 2,220
15 2,150 2,900 4,440 6,570 7,410 5,650 2,050 759 719 848 1,150 2,220
16 2,420 3,150 4,670 6,530 7,550 5,590 1,920 763 726 844 1,150 1,900
17 2,540 3,350 4,600 6,580 7,650 5,480 1,800 758 723 845 1,140 1,770
18 2,500 3,540 4,730 6,650 7,700 5,360 1,700 750 721 833 1,150 1,740
19 2,500 3,790 4,910 6,710 7,830 5,310 1,610 745 723 836 1,130 1,660
20 2,470 3,720 4,850 6,940 7,820 5,200 1,520 740 733 844 1,160 1,640
21 2,420 3,660 4,900 7,000 7,690 5,080 1,440 742 741 858 1,210 1,780
22 2,250 3,700 4,960 6,900 7,550 4,910 1,370 742 738 880 1,220 2,120
23 2,150 3,710 5,060 6,920 7,470 4,730 1,300 749 732 923 1,250 2,270
24 2,260 3,720 5,170 7,020 7,410 4,550 1,240 775 732 922 1,310 1,970
25 2,300 3,710 5,220 6,880 7,380 4,420 1,190 776 733 916 1,370 1,900
26 2,280 3,580 5,300 6,720 7,460 4,280 1,140 768 744 921 1,540 1,900
27 2,240 3,470 5,290 6,630 7,500 4,150 1,100 760 752 925 1,480 1,840
28 2,270 3,450 5,230 6,660 7,380 3,990 1,060 752 745 933 1,510 1,840
29 2,410 4,030 5,200 6,610 7,290 3,880 1,030 742 753 959 1,540 1,930
30 2,490   5,320 6,570 7,280 3,760 1,010 738 758 953 1,580 1,910
31 2,600   5,380   7,150   987 741   967   1,910