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USGS Surface-Water 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 01010000 St. John River at Ninemile Bridge, Maine


Aroostook County, Maine
Hydrologic Unit Code 01010001
Latitude  46°42'02", Longitude  69°42'56" NAD83
Drainage area 1,341  square miles
Contributing drainage area 1,341  square miles
Gage datum 931.26 feet above NGVD29
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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 1950-10-01 -> 2023-09-30)

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 1,030 753 724 3,250 12,700 2,980 2,020 910 1,100 1,570 2,660 2,350
2 968 741 715 3,700 12,400 2,930 1,940 957 1,080 1,810 2,800 2,300
3 903 730 706 4,130 11,800 3,010 1,870 1,110 1,070 1,770 2,900 2,180
4 843 715 694 4,410 11,300 2,860 1,680 1,220 1,220 1,670 3,020 2,000
5 809 707 694 4,400 10,800 2,460 1,660 1,280 1,320 1,710 2,850 1,790
6 805 712 696 4,360 10,100 2,280 1,690 1,690 1,310 1,680 2,850 1,630
7 810 700 699 4,370 9,650 2,250 1,740 1,330 1,340 1,660 2,840 1,560
8 835 674 715 4,350 8,980 2,110 1,890 1,300 1,250 1,880 2,740 1,540
9 825 650 739 4,440 8,440 2,020 1,710 1,520 1,050 2,000 2,670 1,420
10 802 631 778 4,750 8,230 2,010 1,630 1,640 1,130 1,970 2,500 1,380
11 781 618 818 4,970 7,950 1,980 1,580 1,700 1,200 1,930 2,380 1,430
12 772 608 869 5,020 7,510 1,910 1,450 1,620 1,290 1,930 2,410 1,460
13 789 599 903 5,150 7,250 1,820 1,470 1,600 1,490 1,960 2,420 1,490
14 784 590 927 5,480 6,930 1,870 1,520 1,730 1,440 1,870 2,380 1,420
15 790 588 943 6,110 6,610 1,950 1,480 1,680 1,530 1,890 2,380 1,330
16 807 578 963 6,830 6,100 1,790 1,510 1,530 1,500 2,130 2,530 1,250
17 820 568 981 7,620 5,820 1,610 1,580 1,360 1,260 2,270 2,560 1,220
18 840 563 1,030 8,480 5,450 1,610 1,410 1,290 1,140 2,300 2,530 1,140
19 912 567 1,130 9,200 5,070 1,860 1,290 1,400 1,010 2,170 2,410 1,110
20 943 577 1,240 10,000 4,910 1,910 1,240 1,150 894 2,030 2,200 1,120
21 893 588 1,390 10,600 4,590 1,800 1,280 992 823 2,250 2,200 1,100
22 899 599 1,550 11,400 4,190 1,700 1,180 1,080 881 2,590 2,120 1,120
23 874 652 1,630 12,400 3,890 1,920 1,080 1,120 957 2,480 2,010 1,220
24 837 738 1,580 13,100 3,770 1,860 1,120 1,170 1,100 2,490 1,860 1,240
25 814 772 1,570 13,200 3,560 1,790 1,310 1,140 1,480 2,590 1,770 1,350
26 802 764 1,610 13,000 3,330 1,870 1,200 1,100 1,410 2,630 1,860 1,410
27 803 755 1,690 13,000 3,220 1,940 1,150 1,060 1,470 2,590 1,840 1,400
28 805 753 1,840 13,400 3,210 2,180 1,120 987 1,460 2,550 2,020 1,360
29 795 958 1,940 13,300 3,100 2,170 1,040 1,210 1,410 2,680 2,170 1,270
30 784   2,120 13,100 2,940 2,160 1,070 1,270 1,310 2,670 2,250 1,190
31 771   2,600   2,940   984 1,120   2,460   1,120