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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 01018500 St. Croix River at Vanceboro, Maine


Washington County, Maine
Hydrologic Unit Code 01050001
Latitude  45°34'06", Longitude  67°25'42" NAD83
Drainage area 410  square miles
Contributing drainage area 410  square miles
Gage datum 367.07 feet above NAVD88
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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 1928-10-01 -> 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
1 734 835 877 615 1,130 932 737 795 784 702 469 490
2 718 837 853 607 1,150 944 748 778 782 686 469 490
3 711 835 832 612 1,170 954 761 765 784 677 473 498
4 723 824 825 628 1,170 895 780 769 775 668 474 516
5 726 834 821 625 1,170 858 787 760 767 669 479 525
6 716 846 823 643 1,120 845 806 749 771 663 483 529
7 723 851 838 642 1,110 836 821 754 757 649 480 535
8 736 869 828 633 1,100 815 826 759 723 641 470 539
9 763 859 816 637 1,060 822 817 759 726 643 464 544
10 787 859 796 645 1,000 826 827 765 722 650 468 557
11 790 877 785 656 962 809 831 781 715 659 468 562
12 790 893 783 659 965 834 834 783 716 653 469 581
13 798 912 762 679 986 901 825 788 723 632 465 599
14 814 927 757 684 963 880 780 790 714 616 464 608
15 821 921 752 717 974 862 793 774 707 613 473 618
16 802 911 742 773 994 832 810 764 684 604 474 622
17 799 898 736 777 1,020 818 815 752 689 592 468 644
18 801 887 726 778 1,030 820 823 765 681 590 469 662
19 800 881 720 789 1,020 802 828 765 672 587 476 664
20 805 883 719 827 1,010 793 834 758 685 583 480 676
21 798 884 730 878 986 804 818 752 690 577 476 683
22 791 884 717 953 985 804 806 747 678 564 448 678
23 805 881 717 1,030 981 803 802 748 669 562 430 671
24 819 881 688 1,070 979 779 790 756 668 548 444 659
25 822 875 668 1,090 947 778 793 759 683 533 472 672
26 831 876 650 1,100 927 793 795 763 674 527 518 698
27 840 878 627 1,100 906 784 796 794 679 514 532 729
28 849 882 625 1,110 909 776 793 799 688 507 534 763
29 857 976 642 1,140 927 754 796 812 698 500 533 758
30 860   633 1,150 939 751 802 809 708 487 512 754
31 843   615   921   805 794   477   746