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USGS Daily Statistics for Maine

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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 01015800 Aroostook River near Masardis, Maine


Aroostook County, Maine
Hydrologic Unit Code 01010004
Latitude  46°31'23", Longitude  68°22'18" NAD83
Drainage area 894  square miles
Contributing drainage area 894  square miles
Gage datum 530.02 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 1957-10-01 -> 2025-09-30)

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
1 892 732 624 2,330 7,030 2,020 968 503 567 783 1,420 1,550
2 857 720 626 2,720 6,730 1,990 914 537 560 837 1,420 1,640
3 822 704 620 3,000 6,450 1,910 859 558 575 840 1,490 1,630
4 778 694 614 3,140 6,120 1,760 829 569 666 850 1,650 1,590
5 741 679 613 3,250 5,900 1,560 908 579 756 836 1,650 1,510
6 725 669 617 3,330 5,620 1,470 1,000 583 702 788 1,580 1,410
7 723 659 635 3,370 5,340 1,450 960 596 666 750 1,570 1,390
8 720 641 661 3,370 5,090 1,410 859 611 643 785 1,570 1,430
9 709 624 674 3,350 4,860 1,380 777 649 588 889 1,650 1,380
10 696 610 696 3,520 4,720 1,360 760 688 617 935 1,640 1,300
11 687 594 746 3,720 4,550 1,330 765 696 696 935 1,590 1,280
12 684 580 762 3,770 4,370 1,260 749 695 714 908 1,550 1,360
13 691 569 753 3,950 4,290 1,210 709 664 716 903 1,540 1,450
14 692 561 753 4,130 4,180 1,180 717 695 702 906 1,570 1,570
15 696 553 759 4,450 4,070 1,140 792 753 685 944 1,600 1,530
16 707 544 761 4,770 3,900 1,080 871 698 676 1,100 1,700 1,390
17 708 539 767 5,150 3,750 1,010 824 647 689 1,270 1,770 1,300
18 714 542 784 5,710 3,520 994 740 648 735 1,310 1,720 1,230
19 727 542 810 5,940 3,260 1,040 671 720 674 1,240 1,590 1,300
20 727 538 851 5,990 3,100 1,060 644 720 613 1,210 1,470 1,270
21 715 535 912 6,240 2,990 1,070 615 679 557 1,210 1,420 1,170
22 714 532 1,020 6,470 2,830 1,060 581 658 527 1,260 1,380 1,110
23 695 545 1,130 6,870 2,680 1,110 553 645 572 1,220 1,430 1,130
24 675 577 1,150 7,390 2,540 1,130 536 590 634 1,270 1,450 1,140
25 660 593 1,160 7,640 2,390 1,080 552 604 729 1,450 1,390 1,140
26 661 615 1,250 7,700 2,280 1,030 538 622 780 1,550 1,440 1,200
27 674 624 1,360 7,530 2,220 1,060 529 601 837 1,660 1,410 1,220
28 693 628 1,510 7,450 2,200 1,040 531 569 807 1,600 1,400 1,150
29 708 845 1,620 7,330 2,130 990 519 602 763 1,540 1,460 1,070
30 722   1,830 7,250 2,030 998 520 631 757 1,530 1,490 999
31 729   2,040   1,980   515 589   1,440   941