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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 01400500 Raritan River at Manville NJ


Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°33'20", Longitude  74°34'58" NAD83
Drainage area 490  square miles
Gage datum 20.61 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 1903-10-01 -> 2020-09-30)

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 1,070 745 1,070 1,420 1,010 781 507 566 388 484 520 805
2 1,080 880 1,140 1,400 881 823 485 574 415 459 512 860
3 1,120 1,100 1,120 1,420 836 729 386 568 439 405 621 848
4 1,030 1,090 1,360 1,320 875 659 428 485 483 365 558 849
5 983 891 1,340 1,430 857 626 432 419 400 375 494 859
6 1,110 809 1,330 1,430 849 671 450 418 437 393 469 915
7 1,120 1,110 1,580 1,480 874 594 491 467 609 352 630 895
8 988 1,180 1,470 1,230 802 684 453 397 541 425 705 985
9 982 802 1,320 1,210 808 546 424 521 489 606 785 916
10 1,010 801 1,150 1,290 810 540 434 494 344 536 705 876
11 874 935 1,320 1,080 834 523 437 528 342 434 571 979
12 881 911 1,370 1,040 980 505 402 494 480 549 586 1,060
13 766 973 1,440 1,160 930 659 560 650 523 424 693 939
14 839 1,100 1,640 1,080 909 648 619 640 430 382 677 1,120
15 980 1,180 1,680 1,130 795 556 542 459 670 538 625 908
16 815 998 1,400 1,530 792 485 435 448 623 432 605 858
17 772 944 1,340 1,510 852 552 388 444 698 416 761 938
18 826 1,010 1,250 1,080 793 489 404 446 449 494 732 864
19 1,080 1,050 1,300 982 769 601 429 533 479 663 619 772
20 1,050 1,140 1,480 965 792 565 416 438 532 734 757 818
21 969 1,070 1,430 884 734 502 508 363 567 586 780 1,240
22 1,070 1,240 1,680 883 671 523 524 532 661 480 761 1,000
23 934 1,220 1,540 912 687 575 717 548 428 456 754 861
24 1,070 1,280 1,390 878 762 530 812 560 440 465 601 896
25 1,460 1,330 1,250 960 825 511 526 418 538 530 738 936
26 1,340 1,430 1,100 871 791 447 420 374 453 509 792 978
27 1,040 1,320 1,190 1,010 747 417 491 394 502 515 806 1,010
28 1,060 1,180 1,310 1,080 672 538 622 892 594 666 816 945
29 899 1,070 1,260 952 702 527 582 628 585 607 1,010 1,040
30 828   1,280 831 888 549 476 391 530 601 923 1,040
31 797   1,400   738   469 327   539   1,080