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USGS Daily Statistics for the Nation

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 73 - 74 years of record in, ft3/s   (Calculation Period 1944-10-01 -> 2018-09-30)

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 2,690 3,390 5,450 6,500 6,970 3,670 976 755 766 976 1,650
2 1,870 2,630 3,360 5,550 6,520 6,900 3,530 964 749 773 965 1,900
3 1,780 2,560 3,440 5,500 6,580 7,000 3,440 942 733 774 955 1,900
4 1,680 2,500 3,440 5,460 6,660 6,980 3,330 916 723 782 959 1,740
5 1,620 2,440 3,420 5,570 6,820 7,080 3,180 894 723 782 964 1,620
6 1,700 2,340 3,520 5,830 7,000 7,030 3,060 871 724 778 975 1,560
7 1,920 2,600 3,570 6,040 7,180 6,880 2,960 852 719 778 1,030 1,630
8 2,030 2,820 3,630 6,130 7,270 6,660 2,840 840 724 786 1,090 1,700
9 1,970 2,860 3,750 6,190 7,370 6,460 2,750 818 721 791 1,100 1,620
10 1,890 2,840 4,210 6,160 7,290 6,170 2,690 796 720 799 1,100 1,560
11 1,850 2,720 4,280 6,120 7,340 5,960 2,550 786 716 830 1,120 1,640
12 1,850 2,690 4,260 6,130 7,310 5,890 2,400 779 713 865 1,210 2,080
13 1,860 2,800 4,310 6,270 7,300 5,870 2,300 770 712 863 1,210 2,100
14 1,970 2,790 4,390 6,520 7,300 5,760 2,200 767 710 855 1,190 2,240
15 2,170 2,920 4,480 6,460 7,370 5,690 2,070 763 721 849 1,150 2,240
16 2,440 3,170 4,710 6,430 7,510 5,630 1,940 767 729 845 1,150 1,920
17 2,560 3,370 4,630 6,500 7,610 5,520 1,820 762 726 847 1,140 1,780
18 2,520 3,560 4,760 6,580 7,670 5,390 1,720 754 723 834 1,150 1,750
19 2,520 3,820 4,940 6,640 7,810 5,340 1,620 748 725 838 1,140 1,650
20 2,480 3,750 4,870 6,820 7,800 5,230 1,530 743 736 846 1,170 1,650
21 2,420 3,690 4,910 6,860 7,680 5,100 1,450 746 744 860 1,220 1,780
22 2,260 3,730 4,950 6,780 7,530 4,930 1,380 746 740 882 1,220 2,130
23 2,150 3,740 5,040 6,810 7,460 4,750 1,310 752 735 926 1,260 2,280
24 2,260 3,750 5,130 6,900 7,390 4,570 1,250 779 734 925 1,310 1,980
25 2,300 3,740 5,160 6,760 7,360 4,440 1,200 779 736 919 1,380 1,920
26 2,280 3,610 5,240 6,620 7,440 4,300 1,150 772 746 925 1,550 1,910
27 2,250 3,500 5,220 6,550 7,490 4,170 1,110 763 754 928 1,490 1,860
28 2,280 3,480 5,160 6,600 7,360 4,010 1,070 753 748 936 1,520 1,850
29 2,420 4,030 5,140 6,560 7,260 3,900 1,040 744 755 960 1,540 1,950
30 2,500   5,260 6,530 7,240 3,780 1,020 740 761 954 1,580 1,920
31 2,620   5,330   7,110   993 744   969   1,920