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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 01403060 Raritan River below Calco Dam at Bound Brook NJ


Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°33'04", Longitude  74°32'54" NAD83
Drainage area 785  square miles
Contributing drainage area 774  square miles
Gage datum 0.00 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 1902-10-01 -> 2022-09-30)

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 1,670 1,080 1,760 2,300 1,560 1,210 632 782 479 661 722 1,430
2 1,770 1,380 1,850 2,350 1,330 1,270 597 844 1,280 617 716 1,400
3 1,580 1,740 1,790 2,420 1,250 1,220 517 942 837 506 859 1,310
4 1,590 1,780 2,070 2,130 1,280 1,050 568 828 749 450 716 1,300
5 1,500 1,480 1,920 2,370 1,240 1,030 539 723 513 465 675 1,270
6 1,540 1,290 1,940 2,150 1,310 984 538 619 550 446 647 1,350
7 1,580 1,600 2,380 1,980 1,360 891 654 648 767 389 942 1,390
8 1,600 1,600 2,200 1,880 1,370 995 620 577 670 467 1,170 1,480
9 1,550 1,260 2,110 1,770 1,260 823 550 527 619 876 1,260 1,480
10 1,440 1,250 1,860 2,010 1,240 749 505 640 444 847 935 1,550
11 1,290 1,350 2,010 1,690 1,320 709 485 749 469 659 852 1,640
12 1,440 1,320 1,940 1,480 1,420 733 508 699 752 843 958 1,920
13 1,390 1,450 2,140 1,670 1,370 984 740 900 849 709 1,010 1,670
14 1,350 1,760 2,610 1,720 1,370 979 948 830 647 584 967 1,800
15 1,490 1,780 2,480 1,740 1,140 799 945 662 805 791 956 1,700
16 1,300 1,580 2,130 2,490 1,220 644 692 629 729 682 899 1,510
17 1,210 1,530 1,900 2,500 1,390 722 549 464 1,250 607 1,060 1,540
18 1,210 1,560 1,900 1,700 1,290 660 663 489 687 545 890 1,440
19 1,430 1,650 2,050 1,370 1,190 809 590 659 635 750 791 1,240
20 1,670 1,820 2,350 1,270 1,180 748 555 622 650 1,150 991 1,070
21 1,610 1,620 2,250 1,220 1,060 701 736 530 667 947 1,210 1,980
22 1,690 1,910 2,730 1,190 970 763 731 811 674 774 1,250 1,920
23 1,390 1,910 2,650 1,260 1,000 889 849 980 568 642 1,200 1,510
24 1,670 2,130 2,310 1,180 1,150 771 1,020 644 724 615 971 1,530
25 2,210 2,340 2,240 1,310 1,250 704 757 524 750 673 1,190 1,700
26 2,170 2,280 1,910 1,260 1,170 553 605 474 694 834 1,330 1,630
27 1,890 2,050 2,000 1,500 1,090 461 710 484 779 836 1,420 1,720
28 1,870 1,900 1,940 1,550 927 632 871 1,540 848 1,100 1,290 1,400
29 1,630 1,680 1,970 1,410 1,120 702 877 1,240 1,040 1,120 1,590 1,500
30 1,320   2,060 1,220 1,460 758 727 586 726 1,140 1,500 1,590
31 1,160   2,280   1,210   756 425   792   1,650