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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 74 - 75 years 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 1,980 2,690 3,390 5,450 6,500 6,970 3,640 970 752 764 976 1,650
2 1,870 2,630 3,360 5,550 6,520 6,900 3,510 958 746 771 965 1,900
3 1,780 2,560 3,440 5,500 6,580 7,000 3,420 936 730 772 955 1,900
4 1,680 2,500 3,440 5,460 6,660 6,980 3,300 911 720 780 959 1,740
5 1,620 2,440 3,420 5,570 6,820 7,080 3,160 889 721 779 964 1,620
6 1,700 2,340 3,520 5,830 7,000 7,000 3,030 866 721 776 975 1,560
7 1,920 2,600 3,570 6,040 7,180 6,850 2,940 847 716 776 1,030 1,630
8 2,030 2,820 3,630 6,130 7,270 6,630 2,810 835 721 784 1,090 1,700
9 1,970 2,860 3,750 6,190 7,370 6,440 2,730 814 718 790 1,100 1,620
10 1,890 2,840 4,210 6,160 7,290 6,150 2,670 792 717 802 1,100 1,560
11 1,850 2,720 4,280 6,120 7,340 5,940 2,530 782 713 830 1,120 1,640
12 1,850 2,690 4,260 6,130 7,310 5,860 2,380 774 710 864 1,210 2,080
13 1,860 2,800 4,310 6,270 7,300 5,840 2,290 766 710 862 1,210 2,100
14 1,970 2,790 4,390 6,520 7,300 5,730 2,180 764 708 853 1,190 2,240
15 2,170 2,920 4,480 6,460 7,370 5,650 2,050 759 719 848 1,150 2,240
16 2,440 3,170 4,710 6,430 7,510 5,590 1,920 763 726 844 1,150 1,920
17 2,560 3,370 4,630 6,500 7,610 5,480 1,800 758 723 845 1,140 1,780
18 2,520 3,560 4,760 6,580 7,670 5,360 1,700 750 721 833 1,150 1,750
19 2,520 3,820 4,940 6,640 7,810 5,310 1,610 745 723 838 1,140 1,650
20 2,480 3,750 4,870 6,820 7,800 5,200 1,520 740 733 846 1,170 1,650
21 2,420 3,690 4,910 6,860 7,680 5,080 1,440 742 741 860 1,220 1,780
22 2,260 3,730 4,950 6,780 7,530 4,910 1,370 742 738 882 1,220 2,130
23 2,150 3,740 5,040 6,810 7,460 4,730 1,300 749 732 926 1,260 2,280
24 2,260 3,750 5,130 6,900 7,390 4,550 1,240 775 732 925 1,310 1,980
25 2,300 3,740 5,160 6,760 7,360 4,420 1,190 776 733 919 1,380 1,920
26 2,280 3,610 5,240 6,620 7,440 4,280 1,140 768 744 925 1,550 1,910
27 2,250 3,500 5,220 6,550 7,490 4,150 1,100 760 752 928 1,490 1,860
28 2,280 3,480 5,160 6,600 7,360 3,990 1,060 752 745 936 1,520 1,850
29 2,420 4,030 5,140 6,560 7,260 3,880 1,030 742 753 960 1,540 1,950
30 2,500   5,260 6,530 7,240 3,760 1,010 738 758 954 1,580 1,920
31 2,620   5,330   7,110   987 741   969   1,920