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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 01030500 Mattawamkeag River near Mattawamkeag, Maine


Penobscot County, Maine
Hydrologic Unit Code 01020003
Latitude  45°30'04", Longitude  68°18'21" NAD83
Drainage area 1,419  square miles
Contributing drainage area 1,419  square miles
Gage datum 210.62 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 1934-10-01 -> 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 2,020 1,510 1,410 5,380 9,370 2,790 1,660 802 666 1,220 2,430 3,410
2 1,930 1,450 1,430 5,770 9,010 2,740 1,580 828 646 1,240 2,440 3,470
3 1,850 1,380 1,460 6,190 8,610 2,680 1,470 834 654 1,220 2,530 3,510
4 1,780 1,410 1,500 6,580 8,220 2,630 1,350 826 709 1,220 2,720 3,470
5 1,700 1,420 1,520 6,910 7,870 2,540 1,280 842 760 1,220 2,870 3,370
6 1,650 1,450 1,540 7,110 7,450 2,430 1,330 860 774 1,180 2,900 3,280
7 1,630 1,450 1,550 7,310 7,030 2,320 1,370 848 764 1,110 2,900 3,250
8 1,590 1,420 1,580 7,460 6,680 2,210 1,330 809 739 1,090 2,900 3,250
9 1,530 1,370 1,630 7,520 6,340 2,100 1,260 799 713 1,140 2,900 3,160
10 1,500 1,310 1,720 7,520 6,020 1,990 1,170 860 711 1,210 2,910 3,040
11 1,480 1,280 1,820 7,610 5,740 1,900 1,120 940 723 1,260 2,900 3,030
12 1,520 1,230 1,910 7,790 5,500 1,830 1,100 1,040 772 1,270 2,910 3,180
13 1,560 1,210 1,980 8,040 5,330 1,820 1,080 1,060 824 1,260 2,930 3,300
14 1,560 1,200 2,060 8,320 5,170 1,790 1,100 999 840 1,260 3,010 3,410
15 1,610 1,180 2,110 8,640 4,990 1,770 1,120 924 853 1,280 3,090 3,450
16 1,650 1,170 2,140 9,010 4,830 1,770 1,120 865 883 1,360 3,160 3,380
17 1,630 1,160 2,180 9,380 4,700 1,780 1,120 820 897 1,490 3,220 3,230
18 1,600 1,180 2,260 9,840 4,510 1,740 1,120 786 900 1,600 3,250 3,120
19 1,580 1,170 2,380 10,300 4,380 1,740 1,120 746 881 1,660 3,190 2,990
20 1,560 1,160 2,510 10,400 4,270 1,720 1,070 701 856 1,670 3,090 2,820
21 1,530 1,160 2,640 10,500 4,100 1,700 1,020 690 829 1,690 3,020 2,720
22 1,490 1,160 2,780 10,600 3,900 1,680 961 714 798 1,750 3,020 2,690
23 1,430 1,180 2,930 10,700 3,690 1,650 925 691 795 1,780 3,080 2,650
24 1,380 1,210 3,050 10,800 3,480 1,630 897 656 862 1,830 3,110 2,600
25 1,390 1,280 3,170 10,900 3,290 1,630 875 627 997 2,010 3,090 2,580
26 1,440 1,330 3,320 10,800 3,180 1,620 850 618 1,090 2,230 3,140 2,580
27 1,500 1,360 3,570 10,600 3,100 1,660 840 624 1,150 2,350 3,210 2,530
28 1,570 1,380 3,760 10,300 3,050 1,690 835 641 1,170 2,440 3,260 2,460
29 1,590 1,770 4,100 9,970 2,970 1,700 823 660 1,180 2,480 3,330 2,390
30 1,580   4,540 9,700 2,880 1,690 807 671 1,170 2,500 3,380 2,270
31 1,550   4,970   2,830   812 679   2,460   2,150