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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 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 -> 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
1 949 705 854 3,640 4,240 1,660 1,160 583 531 1,070 1,250 1,680
2 945 685 949 3,320 4,040 1,700 1,140 549 498 946 1,300 1,610
3 921 762 964 3,190 4,050 1,610 999 630 465 824 1,610 1,370
4 929 818 947 3,030 3,940 1,480 841 581 523 765 1,770 1,260
5 836 750 903 3,050 3,590 1,290 890 689 459 716 1,460 1,230
6 938 685 1,010 3,440 3,280 1,270 806 654 456 799 1,300 1,410
7 905 632 1,280 3,550 3,190 1,290 693 570 476 1,020 1,340 1,530
8 868 671 1,210 3,680 3,080 1,190 655 672 425 851 1,380 1,340
9 968 641 1,210 3,380 3,090 1,180 772 610 424 947 1,500 1,260
10 1,100 597 1,320 3,280 3,010 1,250 767 759 523 893 1,480 1,210
11 1,010 637 1,200 3,420 2,850 1,250 745 903 564 779 1,320 1,490
12 1,020 827 1,240 3,730 2,880 1,160 692 733 590 723 1,320 1,450
13 1,080 782 1,490 3,710 2,790 1,180 679 601 569 761 1,360 1,320
14 955 675 1,460 3,930 2,810 1,210 743 671 587 828 1,340 1,300
15 901 636 1,450 4,100 2,670 1,220 688 528 549 907 1,360 1,300
16 882 731 1,450 4,250 2,790 1,110 638 599 562 1,020 1,320 1,070
17 831 700 1,550 4,350 2,750 1,040 587 546 719 1,040 1,440 1,020
18 782 659 1,780 4,290 2,640 1,150 587 524 653 1,040 1,290 1,420
19 877 650 1,950 4,190 2,460 1,090 618 504 618 974 1,200 1,240
20 1,090 614 1,770 4,490 2,570 964 677 481 590 992 1,480 1,060
21 844 732 1,800 4,510 2,350 908 579 460 835 1,460 1,400 1,330
22 827 843 1,960 4,340 2,190 878 619 495 809 1,360 1,240 1,380
23 868 828 1,800 4,550 2,050 888 666 478 690 986 1,230 1,210
24 941 840 1,780 4,450 1,970 908 649 436 670 1,300 1,210 1,320
25 1,110 1,120 1,970 4,220 1,880 890 601 453 639 1,580 1,310 1,400
26 1,090 1,140 2,280 4,070 1,800 943 541 415 574 1,400 1,410 1,230
27 1,090 930 2,520 4,210 1,720 945 538 376 703 1,270 1,510 1,170
28 1,050 873 3,190 3,980 1,770 933 541 496 699 1,430 1,410 1,170
29 889 863 3,330 4,380 1,760 950 658 666 681 1,440 1,560 1,000
30 766   3,190 4,150 1,780 1,220 742 502 837 1,450 1,490 962
31 731   3,230   1,750   645 481   1,380   1,050