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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 14105700 COLUMBIA RIVER AT THE DALLES, OR


Wasco County, Oregon
Hydrologic Unit Code 17070105
Latitude  45°36'29.8", Longitude 121°11'23.7" NAD83
Drainage area 237,000  square miles
Gage datum 0.0 feet above NGVD29
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00047, Total partial pressure of dissolved gases, water, unfiltered, millimeters of mercury,
Day of
month		 Mean of daily mean values for each day for water year of record in, mm/Hg   (Calculation Period 1995-10-01 -> 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
1 741 761 784 807 887 900 879 863 812 767 760 751
2 740 762 786 812 890 900 875 861 793 768 760 751
3 740 763 787 812 888 900 874 859 777 767 761 752
4 741 763 787 809 888 899 873 861 776 766 760 752
5 741 764 785 811 889 901 873 860 775 765 759 752
6 742 765 785 811 893 901 870 861 775 766 758 751
7 744 767 787 810 889 901 867 858 775 767 757 750
8 745 768 788 810 890 896 868 857 776 767 757 749
9 745 770 788 811 898 897 870 857 776 766 756 749
10 745 771 788 839 895 893 868 858 775 765 757 749
11 746 772 788 852 893 895 868 857 775 764 757 749
12 747 774 791 857 895 894 867 859 774 764 757 748
13 748 777 791 864 897 891 867 860 773 766 756 749
14 749 777 792 864 899 890 867 859 771 766 757 748
15 750 776 794 868 896 892 869 854 769 765 758 747
16 750 779 798 872 893 889 866 853 767 764 757 744
17 750 780 800 873 894 885 863 853 767 764 756 740
18 751 779 800 872 895 882 862 853 766 764 757 739
19 751 782 800 871 897 879 862 853 767 765 758 739
20 752 782 802 875 897 880 863 854 767 765 756 739
21 752 783 801 878 898 882 866 851 768 765 756 741
22 753 783 800 881 898 884 863 853 767 764 754 741
23 753 783 800 883 900 883 861 850 767 764 754 741
24 754 781 797 885 900 880 861 851 767 763 755 740
25 755 780 799 887 899 883 865 850 766 763 755 740
26 755 778 799 886 897 882 867 850 766 763 755 740
27 756 778 801 882 898 883 865 851 767 762 754 740
28 759 780 804 881 900 886 864 852 767 762 754 741
29 760 774 805 884 900 882 864 850 766 762 753 741
30 761   805 886 902 879 863 848 766 762 752 741
31 761   805   901   865 847   761   741