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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 -> 2024-09-30)

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 1,920 2,630 3,290 5,430 6,620 7,050 3,630 952 740 760 962 1,590
2 1,820 2,580 3,280 5,530 6,630 6,960 3,490 942 734 767 955 1,820
3 1,740 2,510 3,370 5,490 6,680 7,080 3,390 921 718 767 949 1,820
4 1,660 2,460 3,380 5,460 6,750 7,080 3,280 896 709 775 957 1,680
5 1,610 2,400 3,370 5,580 6,880 7,170 3,130 875 709 774 997 1,580
6 1,680 2,340 3,470 5,830 7,070 7,100 3,000 852 710 769 1,000 1,520
7 1,890 2,840 3,510 6,090 7,280 6,910 2,910 835 705 770 1,050 1,580
8 2,000 2,950 3,570 6,300 7,340 6,660 2,790 824 711 777 1,090 1,650
9 1,930 2,920 3,670 6,400 7,410 6,450 2,690 804 709 784 1,090 1,580
10 1,860 2,860 4,100 6,330 7,300 6,170 2,630 783 708 794 1,100 1,520
11 1,820 2,720 4,150 6,290 7,340 5,980 2,490 774 705 823 1,110 1,600
12 1,820 2,670 4,140 6,260 7,320 5,950 2,350 767 703 857 1,200 2,010
13 1,870 2,770 4,190 6,360 7,310 5,960 2,260 758 702 854 1,200 2,030
14 1,970 2,750 4,290 6,560 7,320 5,850 2,150 755 700 847 1,180 2,160
15 2,150 2,860 4,390 6,470 7,410 5,740 2,020 750 710 841 1,140 2,150
16 2,390 3,100 4,630 6,430 7,570 5,650 1,890 752 717 836 1,140 1,850
17 2,510 3,280 4,550 6,490 7,690 5,520 1,780 747 714 838 1,130 1,720
18 2,460 3,460 4,670 6,560 7,750 5,380 1,680 739 713 826 1,140 1,690
19 2,450 3,690 4,860 6,630 7,860 5,310 1,580 733 717 830 1,130 1,610
20 2,430 3,620 4,820 6,850 7,860 5,190 1,490 728 727 840 1,160 1,610
21 2,370 3,560 4,860 6,910 7,810 5,060 1,420 732 736 850 1,200 1,760
22 2,220 3,610 4,910 6,820 7,640 4,890 1,340 736 733 874 1,200 2,080
23 2,120 3,630 5,010 6,860 7,520 4,710 1,280 743 727 917 1,230 2,210
24 2,220 3,640 5,120 6,970 7,410 4,530 1,220 765 726 917 1,280 1,930
25 2,260 3,610 5,170 6,840 7,360 4,390 1,170 764 728 912 1,340 1,860
26 2,250 3,490 5,230 6,700 7,430 4,250 1,120 757 738 916 1,500 1,860
27 2,220 3,380 5,220 6,620 7,480 4,130 1,080 749 746 919 1,440 1,810
28 2,250 3,360 5,160 6,660 7,370 3,980 1,040 741 741 925 1,470 1,830
29 2,380 3,940 5,150 6,620 7,300 3,870 1,010 731 748 948 1,490 1,910
30 2,450   5,260 6,630 7,310 3,760 990 727 754 943 1,530 1,880
31 2,560   5,320   7,200   968 730   955   1,870