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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS streamflow data in Wyoming and Montana can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

UPDATED August 8, 2019: USGS streamflow monitoring will be discontinued at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site are funded by a partner agency. Lack of partner funding for this site will result in discontinuation of all monitoring activities. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

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 09217000 GREEN RIVER NEAR GREEN RIVER, WY


Sweetwater County, Wyoming
Hydrologic Unit Code 14040106
Latitude  41°30'59", Longitude 109°26'54" NAD27
Drainage area 14,000  square miles
Contributing drainage area 9,740  square miles
Gage datum 6,060 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 1951-10-01 -> 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
1 769 813 891 1,340 1,670 3,530 4,230 2,050 1,160 938 919 806
2 767 812 894 1,370 1,700 3,610 4,120 2,020 1,140 957 914 809
3 767 814 892 1,380 1,810 3,730 4,030 1,950 1,120 1,020 908 803
4 774 814 899 1,380 1,820 3,860 3,960 1,890 1,100 1,050 896 789
5 788 818 898 1,420 1,840 3,970 3,900 1,830 1,190 1,070 894 788
6 794 824 917 1,460 1,900 4,050 3,830 1,790 1,270 1,070 900 782
7 800 831 921 1,470 1,960 4,160 3,730 1,720 1,280 1,050 899 788
8 807 834 931 1,480 1,990 4,280 3,590 1,660 1,250 1,020 891 782
9 806 840 936 1,500 2,030 4,390 3,470 1,620 1,240 997 886 775
10 802 844 941 1,480 2,070 4,530 3,350 1,570 1,220 978 892 778
11 798 854 955 1,460 2,120 4,730 3,230 1,540 1,220 947 874 784
12 800 865 977 1,460 2,170 4,850 3,140 1,490 1,210 942 878 783
13 799 858 998 1,470 2,230 4,840 3,080 1,470 1,160 945 883 785
14 800 860 994 1,500 2,260 4,820 3,020 1,430 1,150 953 898 789
15 804 870 990 1,510 2,250 4,870 2,940 1,400 1,070 953 901 792
16 808 876 1,000 1,520 2,250 4,940 2,820 1,370 1,020 955 906 791
17 811 867 1,000 1,540 2,260 5,050 2,720 1,350 1,020 953 891 782
18 810 860 1,030 1,580 2,270 5,010 2,640 1,330 1,030 940 876 779
19 810 862 1,050 1,620 2,330 5,060 2,600 1,320 1,020 926 862 769
20 813 870 1,070 1,670 2,450 4,940 2,530 1,300 1,020 923 850 769
21 809 873 1,090 1,680 2,540 4,870 2,480 1,280 1,010 918 843 774
22 813 878 1,120 1,670 2,660 4,810 2,440 1,280 1,010 920 832 772
23 813 885 1,150 1,680 2,820 4,780 2,380 1,290 995 917 836 771
24 812 888 1,200 1,720 2,930 4,740 2,340 1,290 978 924 839 772
25 812 885 1,210 1,790 2,980 4,710 2,350 1,280 950 918 839 771
26 812 885 1,210 1,790 3,070 4,640 2,310 1,280 931 916 843 776
27 811 888 1,260 1,760 3,140 4,540 2,260 1,230 933 917 852 776
28 810 885 1,310 1,720 3,280 4,450 2,220 1,220 945 923 849 779
29 807 822 1,310 1,700 3,390 4,370 2,170 1,220 953 913 838 775
30 806   1,330 1,690 3,450 4,330 2,110 1,170 961 911 820 773
31 808   1,340   3,470   2,090 1,180   914   772