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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
1 870 739 629 2,330 7,030 2,020 968 503 567 783 1,420 1,570
2 836 726 630 2,720 6,730 1,990 914 537 560 837 1,420 1,660
3 803 710 623 3,000 6,450 1,910 859 558 575 840 1,490 1,650
4 762 701 617 3,140 6,120 1,760 829 569 666 850 1,650 1,610
5 729 685 617 3,250 5,900 1,560 908 579 756 836 1,650 1,530
6 715 675 620 3,330 5,620 1,470 1,000 583 702 788 1,580 1,430
7 716 665 638 3,370 5,340 1,450 960 596 666 750 1,570 1,400
8 715 647 663 3,370 5,090 1,410 859 611 643 785 1,570 1,450
9 705 630 675 3,350 4,860 1,380 777 649 588 889 1,650 1,400
10 693 616 696 3,520 4,720 1,360 760 688 617 935 1,640 1,310
11 684 600 746 3,720 4,550 1,330 765 696 696 935 1,590 1,300
12 683 585 762 3,770 4,370 1,260 749 695 714 908 1,570 1,360
13 691 575 753 3,950 4,290 1,210 709 664 716 903 1,560 1,390
14 692 566 753 4,130 4,180 1,180 717 695 702 906 1,590 1,480
15 697 558 759 4,450 4,070 1,140 792 753 685 944 1,620 1,430
16 709 549 761 4,770 3,900 1,080 871 698 676 1,100 1,720 1,290
17 710 544 767 5,150 3,750 1,010 824 647 689 1,270 1,790 1,190
18 717 547 784 5,710 3,520 994 740 648 735 1,310 1,740 1,130
19 731 547 810 5,940 3,260 1,040 671 720 674 1,240 1,610 1,240
20 731 543 851 5,990 3,100 1,060 644 720 613 1,210 1,490 1,230
21 719 540 912 6,240 2,990 1,070 615 679 557 1,210 1,430 1,140
22 719 537 1,020 6,470 2,830 1,060 581 658 527 1,260 1,400 1,080
23 699 551 1,130 6,870 2,680 1,110 553 645 572 1,220 1,450 1,110
24 679 583 1,150 7,390 2,540 1,130 536 590 634 1,270 1,460 1,120
25 665 599 1,160 7,640 2,390 1,080 552 604 729 1,450 1,410 1,130
26 666 621 1,250 7,700 2,280 1,030 538 622 780 1,550 1,450 1,190
27 679 630 1,360 7,530 2,220 1,060 529 601 837 1,660 1,430 1,210
28 698 634 1,510 7,450 2,200 1,040 531 569 807 1,600 1,410 1,140
29 714 845 1,620 7,330 2,130 990 519 602 763 1,540 1,480 1,070
30 728   1,830 7,250 2,030 998 520 631 757 1,530 1,510 987
31 735   2,040   1,980   515 589   1,440   922