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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 1,160 813 397 533 637 807 1,370
2 1,330 1,240 1,790 2,510 1,330 1,180 675 401 780 617 762 1,330
3 1,320 1,320 1,770 2,570 1,250 1,000 565 375 626 569 899 1,250
4 1,240 1,450 1,830 2,510 1,360 915 517 385 579 553 896 1,270
5 1,210 1,360 2,030 2,480 1,300 833 466 424 515 507 801 1,270
6 1,270 1,220 2,120 2,490 1,280 898 483 391 519 531 797 1,330
7 1,240 1,220 2,180 2,380 1,230 974 469 457 553 542 777 1,410
8 1,230 1,250 2,160 2,290 1,170 880 438 427 590 513 893 1,410
9 1,260 1,230 2,300 2,110 1,130 783 438 441 590 595 1,060 1,300
10 1,310 1,160 2,160 2,060 1,170 780 537 563 506 526 990 1,260
11 1,250 1,240 2,180 1,890 1,260 729 479 569 459 487 946 1,360
12 1,180 1,290 2,320 1,830 1,260 704 417 490 482 535 949 1,450
13 1,170 1,240 2,340 1,850 1,230 727 438 436 497 593 995 1,430
14 1,140 1,280 2,480 1,830 1,230 796 556 442 474 547 996 1,450
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 1,200 772 593 452 513 688 974 1,250
17 1,010 1,370 2,510 2,040 1,290 775 505 459 618 625 1,080 1,280
18 994 1,390 2,460 1,810 1,230 713 469 471 629 636 1,070 1,390
19 1,050 1,390 2,340 1,700 1,240 675 452 701 654 692 1,010 1,300
20 1,160 1,410 2,400 1,660 1,160 670 409 568 699 829 1,090 1,170
21 1,120 1,470 2,490 1,600 1,070 659 454 486 672 800 1,130 1,300
22 1,190 1,590 2,750 1,570 981 694 506 499 628 693 1,150 1,330
23 1,250 1,580 2,730 1,570 935 677 521 531 562 660 1,190 1,270
24 1,390 1,680 2,560 1,530 991 656 488 497 545 663 1,060 1,330
25 1,840 1,860 2,490 1,570 1,040 596 469 500 626 681 1,090 1,370
26 1,820 1,790 2,340 1,450 1,070 590 458 465 598 747 1,110 1,320
27 1,760 1,780 2,320 1,440 1,010 645 430 463 553 819 1,170 1,280
28 1,700 1,840 2,300 1,430 943 676 458 680 636 890 1,190 1,240
29 1,520 1,560 2,340 1,460 1,010 650 491 670 720 900 1,320 1,270
30 1,380   2,330 1,370 1,100 769 474 557 674 843 1,320 1,390
31 1,380   2,430   1,000   410 499   820   1,480