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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 04265432 GRASS RIVER AT CHASE MILLS NY


St. Lawrence County, New York
Hydrologic Unit Code 04150304
Latitude  44°50'48", Longitude  75°04'41" NAD83
Drainage area 598  square miles
Gage datum 225.59 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 2002-10-01 -> 2018-09-30)

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 1,250 1,000 1,020 2,090 1,840 736 977 567 610 876 1,940 2,040
2 1,310 1,010 967 2,460 2,020 753 903 532 591 1,020 1,700 2,330
3 1,270 964 991 2,800 1,840 828 818 457 460 879 1,480 2,360
4 1,150 937 991 2,880 1,790 751 830 505 366 662 1,380 2,050
5 1,070 943 1,000 3,100 1,850 738 781 525 353 545 1,290 1,710
6 1,060 911 1,020 3,040 1,850 686 663 511 541 499 1,260 1,490
7 1,100 806 1,060 2,990 1,640 905 563 430 511 622 1,250 1,400
8 1,110 758 1,190 2,970 1,440 938 510 382 442 812 1,180 1,320
9 1,310 708 1,240 2,900 1,340 804 580 380 475 920 1,090 1,230
10 1,510 673 1,320 2,780 1,280 898 674 380 685 928 1,030 1,130
11 1,420 645 1,520 2,840 1,220 1,090 656 368 773 852 966 1,180
12 1,450 631 1,850 2,970 1,110 1,140 614 383 703 688 939 1,290
13 1,510 638 2,050 3,080 942 1,150 535 416 572 581 976 1,280
14 1,630 653 2,030 3,200 823 1,210 495 400 467 733 1,090 1,180
15 1,580 652 1,920 3,210 895 1,070 494 450 412 859 1,100 1,130
16 1,410 666 1,760 2,990 1,210 926 473 486 397 1,180 1,150 1,150
17 1,200 738 1,690 2,800 1,690 793 600 471 578 1,370 1,330 1,180
18 1,040 786 1,670 2,520 1,660 708 638 409 970 1,350 1,410 1,110
19 942 788 1,690 2,160 1,370 634 614 376 875 1,190 1,320 1,030
20 920 780 1,600 1,920 1,130 568 650 347 585 1,090 1,320 986
21 900 811 1,370 1,860 968 538 627 350 436 1,140 1,280 992
22 837 849 1,250 1,810 866 539 619 429 383 1,280 1,240 1,070
23 792 797 1,250 1,770 903 547 509 576 401 1,370 1,280 1,240
24 809 762 1,310 1,880 1,010 638 489 621 379 1,440 1,250 1,470
25 864 861 1,280 1,810 1,080 879 812 506 351 1,410 1,270 1,570
26 1,080 1,090 1,310 1,660 1,010 1,030 744 387 325 1,360 1,370 1,690
27 1,050 1,210 1,400 1,660 957 971 587 318 335 1,380 1,310 1,650
28 973 1,120 1,780 1,760 922 804 595 278 396 1,480 1,310 1,600
29 957 887 1,900 1,860 867 859 603 292 428 1,580 1,600 1,620
30 884   2,010 1,770 829 990 550 372 543 1,840 1,820 1,440
31 898   2,070   768   522 474   2,020   1,290