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USGS Daily Statistics for New York

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 1,330 1,270 1,770 2,500 1,410 1,160 813 397 533 637 799 1,360
2 1,330 1,240 1,790 2,510 1,330 1,180 675 401 780 617 755 1,320
3 1,320 1,320 1,770 2,570 1,250 1,000 565 375 626 569 891 1,250
4 1,240 1,450 1,830 2,510 1,360 915 517 385 579 553 889 1,260
5 1,210 1,360 2,030 2,480 1,300 833 466 424 515 507 794 1,260
6 1,270 1,220 2,120 2,490 1,280 898 483 391 519 531 789 1,320
7 1,240 1,220 2,180 2,380 1,230 974 469 457 553 542 770 1,400
8 1,230 1,250 2,160 2,290 1,170 880 438 427 590 513 885 1,400
9 1,260 1,230 2,300 2,110 1,130 783 438 441 590 595 1,050 1,290
10 1,310 1,160 2,160 2,060 1,170 780 537 563 506 526 981 1,260
11 1,250 1,240 2,180 1,890 1,260 729 479 569 459 487 937 1,360
12 1,180 1,290 2,320 1,830 1,260 704 417 490 482 535 941 1,460
13 1,170 1,240 2,340 1,850 1,230 727 438 436 497 593 986 1,440
14 1,140 1,280 2,480 1,830 1,230 796 556 442 474 547 987 1,460
15 1,120 1,360 2,530 1,740 1,230 795 570 425 469 632 1,010 1,370
16 1,080 1,380 2,450 1,940 1,200 772 593 452 513 688 965 1,250
17 1,010 1,370 2,510 2,040 1,290 775 505 459 618 619 1,070 1,280
18 994 1,390 2,460 1,810 1,230 713 469 471 629 631 1,060 1,400
19 1,050 1,390 2,340 1,700 1,240 675 452 701 654 686 996 1,300
20 1,160 1,410 2,400 1,660 1,160 670 409 568 699 822 1,080 1,170
21 1,120 1,470 2,490 1,600 1,070 659 454 486 672 793 1,120 1,300
22 1,190 1,590 2,750 1,570 981 694 506 499 628 687 1,140 1,330
23 1,250 1,580 2,730 1,570 935 677 521 531 562 654 1,190 1,270
24 1,390 1,680 2,560 1,530 991 656 488 497 545 657 1,060 1,330
25 1,840 1,860 2,490 1,570 1,040 596 469 500 626 675 1,080 1,370
26 1,820 1,790 2,340 1,450 1,070 590 458 465 598 740 1,110 1,320
27 1,760 1,780 2,320 1,440 1,010 645 430 463 553 812 1,170 1,280
28 1,700 1,840 2,300 1,430 943 676 458 680 636 882 1,180 1,240
29 1,520 1,560 2,340 1,460 1,010 650 491 670 720 892 1,320 1,270
30 1,380   2,330 1,370 1,100 769 474 557 674 835 1,320 1,390
31 1,380   2,430   1,000   410 499   812   1,480