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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 413  square miles
Contributing drainage area 413  square miles
Gage datum 367.20 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
1 722 835 877 615 1,130 932 737 795 784 702 471 487
2 715 837 853 607 1,150 944 748 778 782 686 471 487
3 712 835 832 612 1,170 954 761 765 784 677 474 495
4 724 824 825 628 1,170 895 780 769 775 668 476 513
5 727 834 821 625 1,170 858 787 760 767 669 481 523
6 717 846 823 643 1,120 845 806 749 771 663 485 527
7 724 851 838 642 1,110 836 821 754 757 649 479 533
8 737 869 828 633 1,100 815 826 759 723 641 465 537
9 764 859 816 637 1,060 822 817 759 726 643 456 542
10 789 859 796 645 1,000 826 827 765 722 650 457 555
11 792 877 785 656 962 809 831 781 715 659 458 560
12 791 893 783 659 965 834 834 783 716 653 458 581
13 800 912 762 679 986 901 825 788 723 632 454 601
14 816 927 757 684 963 880 780 790 714 616 454 608
15 823 921 752 717 974 862 793 774 707 613 463 613
16 804 911 742 773 994 832 810 764 684 604 466 618
17 801 898 736 777 1,020 818 815 752 689 593 463 633
18 802 887 726 778 1,030 820 823 765 681 591 466 644
19 802 881 720 789 1,020 802 828 765 672 588 473 646
20 806 883 719 827 1,010 793 834 758 685 583 477 658
21 799 884 730 878 986 804 818 752 690 577 473 665
22 791 884 717 953 985 804 806 747 678 564 445 660
23 805 881 717 1,030 981 803 802 748 669 562 427 654
24 819 881 688 1,070 979 779 790 756 668 549 441 641
25 822 875 668 1,090 947 778 793 759 683 535 469 655
26 831 876 650 1,100 927 793 795 763 674 529 516 680
27 840 878 627 1,100 906 784 796 794 679 515 529 711
28 849 882 625 1,110 909 776 793 799 688 505 532 746
29 857 976 642 1,140 927 754 796 812 698 499 531 741
30 860   633 1,150 939 751 802 809 708 485 510 737
31 843   615   921   805 794   477   729