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USGS Surface-Water 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 -> 2024-09-30)

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 2,510 1,410 1,160 816 400 534 641 807 1,370
2 1,330 1,240 1,790 2,520 1,330 1,190 677 403 785 622 762 1,330
3 1,320 1,320 1,750 2,550 1,260 1,010 568 375 630 574 899 1,250
4 1,240 1,450 1,820 2,430 1,370 920 520 383 582 557 896 1,270
5 1,210 1,360 2,030 2,430 1,300 838 468 422 518 511 801 1,270
6 1,270 1,220 2,120 2,460 1,270 903 485 389 522 535 797 1,330
7 1,240 1,220 2,140 2,350 1,220 979 466 457 556 546 777 1,410
8 1,230 1,250 2,130 2,270 1,170 885 436 427 594 517 893 1,410
9 1,260 1,230 2,280 2,100 1,130 787 439 433 593 600 1,060 1,300
10 1,310 1,160 2,080 2,050 1,170 784 540 525 509 531 990 1,260
11 1,250 1,240 2,130 1,890 1,260 734 482 542 462 491 946 1,360
12 1,180 1,290 2,290 1,810 1,260 709 419 474 485 539 949 1,450
13 1,170 1,240 2,320 1,830 1,230 732 441 428 500 598 995 1,430
14 1,140 1,280 2,470 1,810 1,230 802 560 439 477 551 996 1,450
15 1,120 1,360 2,520 1,730 1,230 800 574 423 473 638 1,010 1,370
16 1,080 1,380 2,450 1,940 1,200 777 597 452 517 693 974 1,250
17 1,010 1,370 2,510 2,040 1,290 780 509 460 623 625 1,080 1,280
18 994 1,390 2,470 1,810 1,240 718 466 472 634 636 1,070 1,390
19 1,050 1,390 2,350 1,700 1,240 680 452 703 659 692 1,010 1,300
20 1,160 1,410 2,410 1,660 1,170 676 410 564 705 829 1,090 1,170
21 1,120 1,470 2,500 1,600 1,070 664 456 482 677 800 1,130 1,300
22 1,190 1,590 2,770 1,570 985 699 509 498 633 693 1,150 1,330
23 1,250 1,580 2,720 1,580 938 681 524 532 567 660 1,190 1,270
24 1,390 1,680 2,500 1,540 994 658 490 499 550 663 1,060 1,330
25 1,840 1,860 2,460 1,570 1,040 599 471 502 632 681 1,090 1,370
26 1,820 1,790 2,320 1,460 1,080 594 461 467 603 747 1,110 1,320
27 1,760 1,780 2,300 1,450 1,010 649 432 465 557 819 1,170 1,280
28 1,700 1,840 2,290 1,430 946 680 461 684 641 890 1,190 1,240
29 1,520 1,560 2,330 1,470 1,020 653 495 674 725 900 1,320 1,270
30 1,380   2,330 1,380 1,100 775 478 559 679 843 1,320 1,390
31 1,380   2,440   1,000   413 499   820   1,480