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USGS Daily Statistics for Idaho

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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 -> 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 2,680 3,300 5,410 6,590 7,010 3,610 947 740 760 962 1,590
2 1,820 2,630 3,290 5,510 6,600 6,930 3,470 937 734 767 955 1,820
3 1,740 2,560 3,370 5,470 6,640 7,070 3,370 916 718 767 949 1,820
4 1,660 2,510 3,380 5,460 6,710 7,090 3,250 892 709 775 957 1,680
5 1,610 2,430 3,370 5,580 6,850 7,160 3,110 871 709 774 997 1,580
6 1,670 2,370 3,460 5,830 7,040 7,090 2,980 848 710 769 1,000 1,520
7 1,880 2,850 3,510 6,080 7,250 6,900 2,890 831 705 770 1,050 1,580
8 1,990 2,960 3,560 6,290 7,310 6,650 2,770 820 711 777 1,090 1,650
9 1,920 2,930 3,660 6,380 7,370 6,440 2,670 800 709 784 1,090 1,580
10 1,850 2,860 4,080 6,320 7,270 6,160 2,610 779 708 794 1,100 1,520
11 1,810 2,730 4,130 6,280 7,310 5,970 2,470 770 705 823 1,110 1,600
12 1,810 2,680 4,120 6,250 7,290 5,930 2,340 763 703 857 1,200 2,010
13 1,850 2,770 4,170 6,350 7,300 5,940 2,240 755 702 854 1,200 2,030
14 1,950 2,750 4,270 6,560 7,310 5,820 2,130 752 700 847 1,180 2,160
15 2,130 2,860 4,370 6,490 7,410 5,710 2,010 747 710 841 1,140 2,150
16 2,370 3,090 4,600 6,440 7,560 5,620 1,880 749 717 836 1,140 1,850
17 2,490 3,270 4,530 6,490 7,680 5,480 1,760 744 714 838 1,130 1,720
18 2,440 3,440 4,650 6,560 7,730 5,350 1,670 735 713 826 1,140 1,690
19 2,440 3,670 4,850 6,620 7,840 5,280 1,570 733 717 830 1,130 1,610
20 2,410 3,600 4,820 6,820 7,830 5,150 1,480 728 727 840 1,160 1,610
21 2,360 3,550 4,860 6,880 7,770 5,020 1,400 732 736 850 1,200 1,760
22 2,210 3,590 4,910 6,790 7,600 4,850 1,330 736 733 874 1,200 2,080
23 2,120 3,620 5,010 6,830 7,480 4,680 1,270 743 727 917 1,230 2,210
24 2,240 3,630 5,120 6,940 7,370 4,500 1,210 765 726 917 1,280 1,930
25 2,280 3,600 5,160 6,810 7,320 4,370 1,170 764 728 912 1,340 1,860
26 2,260 3,500 5,230 6,670 7,380 4,230 1,120 757 738 916 1,500 1,860
27 2,230 3,400 5,210 6,600 7,430 4,110 1,070 749 746 919 1,440 1,810
28 2,290 3,370 5,150 6,640 7,330 3,960 1,040 741 741 925 1,470 1,830
29 2,430 3,950 5,140 6,600 7,260 3,850 1,010 731 748 948 1,490 1,910
30 2,500   5,250 6,600 7,270 3,730 984 727 754 943 1,530 1,880
31 2,600   5,300   7,160   963 730   955   1,870