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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 -> 2023-09-30)

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 3,200 2,330 3,330 3,990 3,320 1,360 1,250 512 399 1,140 3,520 3,140
2 3,420 2,270 3,380 3,640 3,370 1,570 1,300 529 378 989 3,570 4,010
3 3,100 2,090 3,320 3,600 3,300 1,570 1,130 571 475 1,090 3,250 4,240
4 3,060 2,130 3,190 3,910 3,360 1,730 1,060 595 423 987 2,770 3,520
5 2,990 2,020 2,760 4,530 3,180 1,430 966 495 459 941 2,230 3,020
6 2,640 1,990 3,190 4,200 3,030 1,430 886 526 664 945 2,230 2,890
7 2,370 2,040 3,550 4,210 2,880 1,240 877 466 462 1,110 2,250 2,870
8 2,050 2,670 3,770 4,500 2,640 1,090 1,010 456 389 1,070 2,050 2,460
9 2,160 2,610 3,470 4,220 2,490 1,430 919 468 358 840 1,840 2,180
10 2,170 2,420 3,340 4,030 2,760 1,420 824 506 570 741 1,730 2,480
11 2,340 2,200 4,180 4,150 2,720 1,150 704 521 815 639 1,780 2,630
12 3,730 2,050 4,690 4,480 2,540 1,040 781 522 899 639 2,320 2,400
13 5,240 2,040 4,470 4,380 2,870 1,270 753 625 835 607 2,150 2,190
14 5,090 1,810 4,010 4,030 3,170 1,290 804 627 696 594 1,840 1,970
15 4,450 1,680 3,870 3,920 3,050 1,210 1,040 535 610 593 1,810 1,990
16 3,550 1,970 3,680 3,930 3,690 1,250 869 584 547 730 1,690 1,950
17 2,960 1,840 3,410 4,120 3,290 1,190 1,200 496 477 876 1,750 2,000
18 2,780 2,730 3,400 3,660 2,800 978 1,580 632 724 947 1,880 2,470
19 2,290 3,150 3,610 3,280 2,790 1,110 1,330 1,130 684 860 2,110 2,700
20 2,000 3,060 3,650 3,390 2,510 1,350 1,190 938 556 932 2,020 2,510
21 1,780 2,820 3,540 3,650 2,260 1,520 980 831 492 1,410 1,770 2,970
22 1,640 2,650 3,370 3,390 2,330 1,400 822 1,160 619 1,630 1,660 4,170
23 1,840 2,790 3,010 3,320 2,290 1,260 808 1,050 805 1,340 1,880 4,300
24 2,290 2,870 2,760 3,140 2,310 1,330 756 782 906 1,260 2,000 4,050
25 2,320 3,300 2,600 2,860 1,960 1,340 820 631 719 1,300 1,890 4,180
26 2,120 3,190 2,380 3,010 1,890 1,550 802 550 829 1,300 2,010 3,630
27 2,230 3,140 2,300 3,070 1,600 1,450 688 461 835 1,920 2,280 3,600
28 2,240 3,100 2,250 2,860 1,630 1,620 657 461 708 2,580 2,450 3,630
29 2,050 3,980 2,670 2,720 1,870 1,410 690 442 706 3,020 2,260 3,290
30 2,110   3,310 3,130 1,910 1,150 618 443 967 4,010 2,130 3,220
31 2,240   3,690   1,480   544 413   3,560   3,010