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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 01371500 WALLKILL RIVER AT GARDINER NY


Ulster County, New York
Hydrologic Unit Code 02020007
Latitude  41°41'10.1", Longitude  74°09'55.0" NAD83
Drainage area 695  square miles
Contributing drainage area 695  square miles
Gage datum 183.70 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 1924-10-01 -> 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 1,340 1,270 1,770 2,500 1,400 1,220 810 409 533 637 799 1,360
2 1,340 1,240 1,790 2,510 1,320 1,220 674 407 780 617 755 1,320
3 1,320 1,320 1,760 2,560 1,250 1,030 566 377 626 569 891 1,250
4 1,240 1,450 1,820 2,500 1,360 939 518 385 579 553 889 1,260
5 1,210 1,350 2,030 2,470 1,320 849 466 422 515 507 794 1,260
6 1,270 1,210 2,130 2,480 1,320 906 482 391 519 531 789 1,320
7 1,240 1,220 2,190 2,370 1,260 984 467 457 553 542 770 1,400
8 1,230 1,250 2,160 2,280 1,180 893 437 427 590 513 885 1,400
9 1,260 1,220 2,290 2,100 1,190 792 437 441 590 595 1,050 1,290
10 1,310 1,150 2,150 2,050 1,260 791 536 563 506 526 981 1,260
11 1,250 1,240 2,170 1,880 1,310 743 478 569 459 487 937 1,360
12 1,180 1,280 2,300 1,840 1,290 712 415 490 482 535 941 1,460
13 1,160 1,230 2,330 1,880 1,250 731 436 436 497 593 986 1,440
14 1,140 1,270 2,460 1,840 1,240 798 553 442 474 547 987 1,460
15 1,120 1,360 2,510 1,750 1,260 796 567 425 469 632 1,010 1,370
16 1,080 1,380 2,430 1,950 1,220 772 594 452 513 688 965 1,250
17 1,020 1,370 2,500 2,030 1,300 781 505 459 618 619 1,070 1,280
18 996 1,390 2,460 1,800 1,240 726 468 471 629 631 1,060 1,400
19 1,050 1,390 2,330 1,700 1,250 701 450 701 654 686 996 1,310
20 1,160 1,410 2,390 1,660 1,170 689 407 568 699 822 1,080 1,170
21 1,130 1,470 2,490 1,590 1,070 672 452 486 672 793 1,120 1,300
22 1,200 1,580 2,750 1,560 986 703 503 499 628 687 1,140 1,320
23 1,250 1,570 2,720 1,570 946 684 518 531 562 654 1,190 1,270
24 1,390 1,670 2,550 1,530 1,000 660 484 497 545 657 1,060 1,320
25 1,830 1,850 2,480 1,560 1,050 599 465 500 626 675 1,080 1,360
26 1,820 1,790 2,330 1,450 1,080 591 455 465 598 740 1,110 1,320
27 1,750 1,780 2,310 1,440 1,010 645 427 463 553 812 1,170 1,280
28 1,700 1,840 2,290 1,430 943 675 454 680 636 882 1,180 1,250
29 1,510 1,560 2,320 1,460 1,010 649 488 670 720 892 1,320 1,270
30 1,380   2,310 1,370 1,090 767 471 557 674 835 1,320 1,390
31 1,370   2,420   1,050   409 499   812   1,490