Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 2025-09-30)

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 3,240 2,420 3,560 3,760 3,000 1,300 1,160 493 409 1,020 3,150 3,040
2 3,390 2,250 3,450 3,560 3,150 1,440 1,210 505 380 888 3,190 3,650
3 3,080 2,050 3,310 3,870 3,230 1,420 1,120 563 456 972 2,890 3,850
4 3,150 2,030 3,160 4,330 3,470 1,520 1,140 615 406 885 2,470 3,460
5 3,120 1,920 2,920 4,760 3,250 1,270 949 500 434 842 2,000 2,960
6 2,730 1,880 3,560 4,540 3,320 1,320 855 524 607 844 1,990 2,780
7 2,420 1,920 3,940 4,340 3,150 1,540 826 489 532 983 2,010 2,720
8 2,080 2,410 3,980 4,370 2,820 1,290 916 480 451 953 1,830 2,370
9 2,110 2,380 3,550 4,000 2,580 1,610 829 535 389 758 1,640 2,170
10 2,400 2,290 3,450 3,760 2,660 1,760 744 783 592 670 1,550 2,650
11 2,530 2,110 4,120 3,850 2,580 1,460 642 777 821 580 1,590 2,870
12 3,520 1,950 4,480 4,540 2,390 1,230 703 662 885 578 2,060 2,620
13 4,830 1,920 4,210 4,650 2,620 1,290 733 685 815 567 1,910 2,310
14 4,670 1,720 3,780 4,320 2,840 1,270 808 657 685 599 1,640 2,010
15 3,990 1,600 3,630 4,060 2,720 1,220 958 558 597 611 1,610 1,970
16 3,190 1,880 3,480 3,900 3,310 1,200 786 623 532 713 1,510 1,930
17 2,700 1,940 3,570 3,890 2,950 1,140 1,100 520 464 828 1,560 2,040
18 2,550 2,610 3,730 3,470 2,540 958 1,400 678 673 879 1,680 2,420
19 2,250 2,860 3,720 3,090 2,510 1,200 1,190 1,130 634 796 1,900 2,570
20 2,220 2,760 3,610 3,170 2,260 1,360 1,060 935 519 854 1,810 2,360
21 1,970 2,550 3,470 3,320 2,120 1,440 893 812 460 1,260 1,600 2,700
22 1,780 2,410 3,250 3,160 2,280 1,330 766 1,080 609 1,460 1,600 3,620
23 1,900 2,770 2,950 3,070 2,230 1,160 740 970 745 1,210 1,880 3,810
24 2,240 2,920 2,810 2,890 2,190 1,200 695 727 833 1,140 1,960 3,640
25 2,400 3,170 2,710 2,650 1,870 1,200 739 645 689 1,160 1,840 3,700
26 2,600 3,050 2,590 2,800 1,770 1,360 719 578 783 1,170 1,950 3,230
27 2,770 3,060 2,450 2,850 1,510 1,390 629 468 783 1,700 2,220 3,210
28 2,810 3,250 2,370 2,650 1,530 1,490 633 453 658 2,270 2,350 3,470
29 2,650 4,200 2,640 2,520 1,840 1,350 643 435 650 2,650 2,200 3,240
30 2,550   3,110 2,850 1,800 1,170 578 447 873 3,520 2,050 3,220
31 2,490   3,410   1,420   519 440   3,190   3,070