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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°04'20.5", Longitude  78°27'03.1" NAD83
Drainage area 1,168  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 -> 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 3,270 2,520 3,430 3,900 3,040 1,230 1,190 493 424 1,080 3,330 3,130
2 3,430 2,330 3,410 3,700 3,110 1,400 1,250 505 394 931 3,380 3,800
3 3,120 2,120 3,320 3,960 3,070 1,400 1,170 563 478 1,020 3,070 4,030
4 3,200 2,100 3,180 4,460 3,140 1,530 1,180 615 424 929 2,620 3,610
5 3,190 1,980 2,790 4,910 2,990 1,270 988 500 454 885 2,110 3,080
6 2,790 1,950 3,120 4,560 2,850 1,290 890 524 640 888 2,110 2,890
7 2,470 1,980 3,570 4,360 2,700 1,150 861 489 451 1,040 2,140 2,830
8 2,120 2,510 3,720 4,420 2,480 1,000 955 480 385 1,000 1,950 2,460
9 2,170 2,480 3,400 4,060 2,330 1,290 859 535 364 793 1,740 2,190
10 2,490 2,390 3,400 3,840 2,550 1,280 773 783 598 701 1,650 2,430
11 2,630 2,210 4,110 3,930 2,540 1,040 665 777 851 606 1,680 2,560
12 3,690 2,040 4,490 4,680 2,370 939 722 662 923 604 2,180 2,340
13 5,110 2,010 4,240 4,810 2,650 1,140 758 685 852 575 2,020 2,120
14 4,950 1,790 3,800 4,480 2,890 1,160 804 657 715 563 1,730 1,900
15 4,230 1,660 3,650 4,200 2,780 1,110 971 558 622 565 1,700 1,900
16 3,370 1,910 3,460 4,010 3,380 1,130 809 623 555 701 1,590 1,890
17 2,830 1,790 3,380 4,020 2,990 1,090 1,090 520 483 834 1,640 1,940
18 2,670 2,540 3,580 3,580 2,560 895 1,400 678 708 896 1,780 2,340
19 2,350 2,880 3,640 3,180 2,550 1,010 1,190 1,130 666 814 2,010 2,540
20 2,320 2,790 3,580 3,230 2,300 1,230 1,060 935 544 880 1,920 2,350
21 2,060 2,580 3,440 3,410 2,110 1,380 893 801 481 1,320 1,680 2,720
22 1,860 2,450 3,250 3,160 2,130 1,290 766 1,110 597 1,530 1,650 3,740
23 1,990 2,850 2,970 3,090 2,080 1,140 740 998 767 1,270 1,890 3,970
24 2,360 3,010 2,840 2,920 2,090 1,200 695 746 860 1,190 1,970 3,780
25 2,520 3,280 2,750 2,680 1,770 1,210 739 664 688 1,220 1,860 3,840
26 2,740 3,110 2,650 2,780 1,710 1,380 719 598 793 1,230 1,950 3,350
27 2,920 3,020 2,500 2,820 1,450 1,410 629 482 795 1,800 2,200 3,340
28 2,960 3,100 2,420 2,640 1,470 1,520 633 468 675 2,410 2,350 3,620
29 2,790 4,200 2,720 2,510 1,680 1,390 643 447 671 2,820 2,170 3,330
30 2,690   3,210 2,860 1,720 1,200 578 464 913 3,760 2,040 3,260
31 2,620   3,520   1,340   519 457   3,370   3,090