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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 October 1, 2019: USGS streamflow monitoring will continue 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 will be funded by a partner agency. Partner funding for this site will result in continuation of streamflow 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 -> 2020-09-30)

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
1 775 815 893 1,340 1,670 3,500 4,250 2,040 1,160 940 922 810
2 773 815 896 1,360 1,690 3,580 4,140 2,000 1,140 959 917 812
3 774 817 894 1,380 1,800 3,700 4,030 1,940 1,120 1,020 912 807
4 781 817 901 1,380 1,810 3,830 3,950 1,880 1,100 1,050 899 794
5 794 820 901 1,420 1,830 3,940 3,890 1,810 1,180 1,070 897 801
6 800 827 920 1,460 1,890 4,020 3,830 1,780 1,260 1,070 902 796
7 805 833 925 1,460 1,950 4,130 3,730 1,710 1,280 1,050 901 799
8 812 836 935 1,470 1,980 4,250 3,600 1,650 1,250 1,020 893 791
9 811 842 939 1,490 2,020 4,350 3,470 1,610 1,230 998 888 783
10 807 846 943 1,470 2,060 4,490 3,340 1,560 1,220 979 894 786
11 803 856 956 1,450 2,110 4,700 3,210 1,540 1,220 949 876 792
12 805 866 977 1,460 2,160 4,840 3,120 1,480 1,210 944 880 792
13 804 860 998 1,470 2,220 4,840 3,060 1,470 1,160 947 885 793
14 805 862 994 1,490 2,250 4,830 3,000 1,430 1,150 955 900 796
15 809 871 989 1,500 2,240 4,890 2,920 1,390 1,070 955 903 799
16 813 877 1,000 1,520 2,230 4,950 2,800 1,370 1,020 957 908 798
17 816 869 1,000 1,530 2,250 5,070 2,690 1,340 1,020 956 894 789
18 814 862 1,030 1,570 2,260 5,030 2,610 1,330 1,030 942 878 787
19 815 864 1,050 1,610 2,320 5,080 2,570 1,320 1,020 928 864 777
20 817 872 1,070 1,660 2,430 4,950 2,500 1,300 1,020 926 852 777
21 814 874 1,090 1,670 2,520 4,890 2,460 1,270 1,010 921 845 782
22 818 879 1,120 1,670 2,650 4,830 2,420 1,280 1,010 923 835 780
23 818 886 1,150 1,680 2,800 4,800 2,360 1,290 996 920 839 779
24 815 889 1,200 1,710 2,920 4,770 2,320 1,280 979 927 842 780
25 815 886 1,200 1,790 2,960 4,730 2,330 1,280 951 921 843 779
26 815 886 1,210 1,780 3,050 4,670 2,290 1,270 933 919 846 784
27 814 890 1,250 1,750 3,110 4,560 2,240 1,230 934 920 854 783
28 813 887 1,310 1,710 3,250 4,470 2,210 1,220 947 925 852 785
29 809 822 1,310 1,690 3,370 4,390 2,150 1,210 955 916 841 782
30 808   1,330 1,690 3,420 4,340 2,090 1,170 963 914 824 779
31 810   1,340   3,450   2,080 1,180   917   779