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USGS Daily Statistics for the Nation

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 -> 2020-09-30)

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 1,220 941 981 2,220 1,730 744 943 520 581 807 1,930 1,960
2 1,270 950 935 2,520 1,890 745 872 490 558 936 1,820 2,200
3 1,230 904 963 2,750 1,740 803 779 423 440 828 1,670 2,260
4 1,120 879 978 2,770 1,740 735 781 464 367 663 1,540 2,050
5 1,030 884 1,030 2,930 1,790 730 730 485 357 561 1,400 1,730
6 1,020 863 1,050 2,860 1,770 740 621 474 523 507 1,320 1,490
7 1,050 780 1,080 2,800 1,550 978 543 411 489 604 1,280 1,370
8 1,050 744 1,180 2,790 1,360 999 505 366 421 769 1,200 1,240
9 1,220 705 1,230 2,760 1,280 836 556 361 446 867 1,100 1,160
10 1,400 674 1,340 2,700 1,240 882 632 362 632 868 1,030 1,080
11 1,340 647 1,610 2,770 1,290 1,030 611 352 707 797 978 1,140
12 1,520 631 1,920 2,860 1,220 1,090 641 367 645 649 948 1,240
13 1,800 633 2,070 2,920 1,030 1,090 675 392 532 554 964 1,230
14 1,800 642 2,040 3,040 908 1,140 581 374 438 686 1,050 1,130
15 1,630 634 1,930 3,100 982 1,010 529 416 388 794 1,050 1,090
16 1,420 640 1,750 2,910 1,250 888 482 446 373 1,070 1,090 1,130
17 1,240 700 1,670 2,720 1,650 764 580 433 530 1,250 1,250 1,150
18 1,050 740 1,650 2,420 1,610 679 608 378 875 1,290 1,310 1,080
19 948 740 1,650 2,080 1,330 606 586 349 789 1,200 1,240 989
20 917 731 1,560 1,930 1,110 546 615 324 532 1,090 1,230 948
21 893 758 1,370 1,960 968 658 592 327 400 1,090 1,200 962
22 831 790 1,290 1,910 869 680 586 398 353 1,190 1,160 1,100
23 786 744 1,280 1,810 887 617 484 530 369 1,270 1,200 1,290
24 801 713 1,300 1,850 977 642 464 569 350 1,340 1,180 1,450
25 862 802 1,260 1,760 1,040 832 748 465 325 1,320 1,200 1,510
26 1,060 1,010 1,280 1,610 1,050 981 687 359 305 1,270 1,320 1,600
27 1,020 1,120 1,350 1,610 1,010 916 547 297 317 1,280 1,320 1,560
28 947 1,050 1,690 1,700 924 756 550 261 371 1,420 1,370 1,520
29 923 920 1,810 1,780 893 801 554 276 400 1,530 1,640 1,540
30 851   1,980 1,680 862 923 507 358 505 1,760 1,810 1,390
31 856   2,140   788   482 465   1,900   1,250