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USGS Daily Statistics for the Nation

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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 01076500 PEMIGEWASSET RIVER AT PLYMOUTH, NH


Grafton County, New Hampshire
Hydrologic Unit Code 01070001
Latitude  43°45'33", Longitude  71°41'10" NAD27
Drainage area 622  square miles
Gage datum 456.66 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 1903-10-01 -> 2026-09-30)

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
1 973 702 850 3,650 4,230 1,690 1,150 580 528 1,060 1,250 1,670
2 961 683 945 3,320 4,030 1,710 1,130 546 495 935 1,290 1,600
3 930 759 959 3,180 4,050 1,610 994 627 462 813 1,600 1,360
4 933 815 943 3,040 3,930 1,480 838 578 520 756 1,750 1,250
5 838 747 899 3,060 3,600 1,290 885 685 457 708 1,450 1,220
6 936 682 1,010 3,440 3,290 1,270 802 650 453 789 1,290 1,400
7 903 630 1,290 3,550 3,200 1,310 690 567 474 1,010 1,330 1,520
8 867 669 1,220 3,680 3,090 1,210 652 668 423 844 1,360 1,330
9 966 639 1,210 3,370 3,100 1,190 768 607 422 941 1,480 1,250
10 1,100 595 1,320 3,270 3,050 1,250 763 755 520 884 1,470 1,200
11 1,010 635 1,200 3,410 2,870 1,250 742 897 560 771 1,320 1,490
12 1,020 823 1,240 3,710 2,880 1,160 690 729 586 715 1,320 1,560
13 1,080 779 1,480 3,690 2,790 1,180 676 597 566 752 1,350 1,350
14 953 673 1,460 3,920 2,800 1,200 739 667 583 818 1,330 1,310
15 899 634 1,450 4,080 2,660 1,220 685 525 545 898 1,350 1,300
16 880 728 1,460 4,240 2,780 1,110 636 595 558 1,010 1,310 1,070
17 829 697 1,660 4,330 2,750 1,040 584 543 714 1,030 1,430 1,030
18 781 657 1,840 4,270 2,650 1,150 586 521 649 1,030 1,280 1,430
19 874 647 1,970 4,170 2,480 1,090 616 501 614 962 1,190 1,240
20 1,090 612 1,790 4,490 2,570 966 674 478 586 982 1,470 1,070
21 840 729 1,830 4,500 2,350 910 578 458 829 1,460 1,390 1,330
22 823 839 1,980 4,320 2,180 878 617 492 804 1,360 1,230 1,380
23 865 824 1,810 4,530 2,060 888 663 475 685 995 1,220 1,200
24 937 836 1,780 4,430 1,980 906 646 433 666 1,290 1,210 1,320
25 1,110 1,110 1,970 4,200 1,890 888 598 450 635 1,570 1,310 1,390
26 1,080 1,130 2,270 4,070 1,810 940 539 412 582 1,380 1,400 1,230
27 1,080 926 2,510 4,230 1,720 941 535 375 702 1,260 1,500 1,170
28 1,050 870 3,170 3,980 1,770 929 539 493 696 1,420 1,400 1,160
29 886 863 3,310 4,370 1,750 948 655 662 677 1,420 1,560 999
30 764   3,180 4,140 1,770 1,210 738 499 832 1,430 1,480 979
31 729   3,220   1,750   642 478   1,370   1,110