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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 72 - 73 years of record in, ft3/s   (Calculation Period 1944-10-01 -> 2017-09-30)

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 1,980 2,710 3,420 5,350 6,460 6,940 3,660 979 759 766 963 1,650
2 1,880 2,630 3,390 5,470 6,490 6,880 3,530 967 753 773 954 1,910
3 1,780 2,520 3,460 5,430 6,560 7,010 3,430 945 737 774 946 1,910
4 1,690 2,420 3,460 5,410 6,640 6,980 3,320 919 727 785 952 1,750
5 1,630 2,310 3,430 5,530 6,770 7,090 3,180 897 728 784 958 1,630
6 1,720 2,230 3,530 5,800 6,920 7,020 3,050 873 728 780 970 1,560
7 1,940 2,510 3,590 5,970 7,100 6,870 2,960 855 723 780 1,030 1,630
8 2,050 2,770 3,630 6,010 7,210 6,630 2,830 842 728 787 1,090 1,710
9 1,980 2,810 3,680 6,070 7,310 6,430 2,750 820 725 793 1,100 1,630
10 1,890 2,720 4,060 6,060 7,230 6,150 2,690 798 723 802 1,100 1,570
11 1,840 2,640 4,140 6,040 7,290 5,960 2,550 789 720 833 1,120 1,650
12 1,830 2,630 4,150 6,060 7,270 5,890 2,410 781 717 870 1,210 2,100
13 1,840 2,760 4,210 6,200 7,270 5,870 2,310 772 716 866 1,210 2,120
14 1,960 2,760 4,230 6,450 7,280 5,760 2,200 769 714 855 1,190 2,270
15 2,170 2,900 4,250 6,410 7,370 5,700 2,070 765 725 847 1,150 2,270
16 2,450 3,140 4,400 6,370 7,510 5,620 1,940 770 732 842 1,150 1,940
17 2,580 3,300 4,420 6,450 7,610 5,500 1,820 765 729 842 1,140 1,810
18 2,530 3,510 4,510 6,540 7,680 5,380 1,720 757 726 829 1,150 1,770
19 2,510 3,760 4,660 6,610 7,840 5,320 1,630 752 727 835 1,140 1,670
20 2,480 3,700 4,680 6,800 7,830 5,200 1,530 747 734 844 1,170 1,660
21 2,420 3,630 4,750 6,850 7,700 5,070 1,450 750 742 856 1,210 1,800
22 2,260 3,670 4,790 6,770 7,540 4,910 1,380 749 740 869 1,200 2,160
23 2,160 3,710 4,870 6,800 7,440 4,740 1,310 756 734 910 1,220 2,320
24 2,270 3,750 4,980 6,890 7,350 4,560 1,250 783 734 915 1,270 2,010
25 2,310 3,740 5,020 6,750 7,330 4,430 1,210 784 736 911 1,350 1,940
26 2,290 3,620 5,130 6,590 7,400 4,290 1,160 776 746 914 1,530 1,940
27 2,260 3,510 5,120 6,500 7,460 4,160 1,110 767 755 914 1,470 1,880
28 2,290 3,500 5,060 6,530 7,340 4,000 1,070 757 748 925 1,500 1,870
29 2,430 4,030 5,030 6,500 7,230 3,890 1,040 748 756 952 1,540 1,960
30 2,520   5,110 6,480 7,210 3,780 1,020 744 762 945 1,580 1,910
31 2,630   5,210   7,070   996 748   955   1,910