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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 03010820 ALLEGHENY RIVER AT OLEAN NY


Cattaraugus County, New York
Hydrologic Unit Code 05010001
Latitude  42°04'23", Longitude  78°27'04" NAD83
Drainage area 1,192  square miles
Gage datum 1,399.50 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 2009-10-01 -> 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 3,270 2,680 3,430 4,120 3,110 1,550 1,500 523 370 1,310 3,890 3,370
2 3,360 2,600 3,430 3,800 3,310 1,800 1,480 514 363 1,130 4,040 4,390
3 2,930 2,380 3,400 3,820 3,360 1,660 1,220 611 502 1,280 3,720 4,620
4 3,030 2,420 3,310 4,230 3,480 1,430 1,210 670 439 1,150 3,110 3,800
5 3,010 2,280 2,870 5,010 3,090 1,240 1,130 545 465 1,080 2,500 3,230
6 2,650 2,240 3,340 4,650 3,020 1,460 1,050 592 417 1,100 2,560 3,020
7 2,390 2,330 3,330 4,580 2,820 1,300 1,010 520 378 1,330 2,630 2,860
8 2,070 3,080 3,250 4,870 2,550 1,120 1,080 499 356 1,290 2,390 2,470
9 2,210 3,010 2,930 4,610 2,430 1,520 975 510 337 999 2,150 2,200
10 2,180 2,770 2,870 4,410 2,540 1,400 908 580 633 875 2,050 2,590
11 2,480 2,500 3,830 4,570 2,490 1,210 750 611 962 748 2,110 2,730
12 4,170 2,290 4,240 4,810 2,370 1,110 657 617 1,060 751 1,950 2,360
13 6,020 2,220 4,120 4,680 2,880 1,460 646 753 913 682 1,820 2,200
14 5,870 1,940 3,720 4,300 3,330 1,420 759 755 711 618 1,740 1,960
15 5,120 1,810 3,660 4,210 3,230 1,360 1,100 636 627 649 1,840 2,030
16 4,040 2,180 3,610 4,250 4,040 1,470 890 701 522 793 1,710 2,010
17 3,330 1,960 3,380 4,470 3,590 1,410 747 571 480 874 1,790 2,110
18 3,110 1,940 3,380 3,980 3,060 1,150 699 547 832 960 1,990 2,680
19 2,550 2,340 3,400 3,530 3,050 1,350 607 558 787 888 2,270 2,850
20 2,210 2,390 3,460 3,670 2,740 1,610 618 460 608 1,020 2,220 2,670
21 1,970 2,370 3,450 3,970 2,480 1,780 557 460 530 1,640 1,930 3,270
22 1,790 2,340 3,340 3,650 2,550 1,590 619 1,040 714 1,830 1,780 4,720
23 2,040 2,130 2,990 3,610 2,530 1,410 731 1,060 591 1,460 2,080 4,880
24 2,600 2,290 2,690 3,420 2,590 1,490 713 776 490 1,410 2,250 4,560
25 2,650 2,940 2,510 3,100 2,190 1,600 816 632 469 1,280 2,120 3,860
26 2,410 2,940 2,280 3,120 2,120 1,910 825 545 731 1,140 2,210 3,120
27 2,540 3,120 2,220 3,290 1,770 1,760 726 456 755 1,650 2,510 3,270
28 2,560 3,190 2,210 3,090 1,720 1,980 713 408 615 2,630 2,540 3,520
29 2,340 3,980 2,660 2,800 1,980 1,690 744 395 652 3,300 2,350 3,320
30 2,400   3,470 2,700 2,060 1,400 583 406 1,050 4,250 2,150 3,310
31 2,560   3,900   1,600   543 364   3,770   3,030