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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 -> 2018-09-30)

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 2,680 2,950 3,560 4,070 2,660 1,400 1,520 506 371 1,290 3,020 3,570
2 2,910 2,860 3,640 3,860 2,970 1,310 1,530 511 343 1,020 2,940 4,660
3 2,550 2,560 3,430 4,010 3,150 1,200 1,240 592 409 781 2,780 4,730
4 2,740 2,470 2,880 4,630 3,480 1,110 1,240 679 389 730 2,430 3,740
5 2,780 2,020 2,440 5,670 3,150 1,010 1,120 554 438 668 2,040 3,170
6 2,440 1,760 3,200 5,210 3,060 988 948 613 398 803 2,130 3,040
7 2,240 1,570 3,380 5,210 2,830 1,030 805 529 363 830 2,310 2,930
8 1,890 2,160 3,450 5,410 2,560 955 936 472 345 772 2,190 2,560
9 1,690 2,170 3,080 5,100 2,460 1,460 889 467 329 673 1,960 2,270
10 1,780 1,970 2,800 4,890 2,250 1,370 862 579 663 640 1,690 2,260
11 1,950 1,770 3,680 5,110 2,060 1,150 692 632 1,030 553 1,880 2,320
12 4,130 1,810 4,320 5,410 2,000 1,080 601 647 1,130 586 1,780 2,060
13 6,660 1,890 4,280 5,110 2,560 1,500 615 803 931 545 1,660 2,030
14 6,630 1,670 3,780 4,440 3,120 1,410 757 807 718 496 1,590 1,780
15 5,770 1,650 3,280 3,810 2,990 1,370 1,160 653 615 570 1,790 1,700
16 4,450 2,040 3,110 3,880 3,650 1,420 930 511 518 727 1,640 1,750
17 3,610 1,880 3,040 4,220 3,470 1,180 767 484 480 808 1,770 1,840
18 3,420 1,900 3,250 3,810 3,010 978 631 491 876 881 2,040 2,650
19 2,720 2,410 3,390 3,390 3,130 1,200 532 447 827 828 2,390 2,980
20 2,380 2,540 3,440 3,560 2,840 1,270 526 378 634 1,030 2,300 2,820
21 2,140 2,540 3,280 3,990 2,600 1,030 515 423 552 1,710 1,940 3,140
22 1,930 2,510 3,200 3,650 2,750 916 569 1,070 758 1,940 1,790 4,510
23 2,190 2,280 2,870 3,690 2,730 908 594 1,110 624 1,450 2,220 4,780
24 2,430 2,450 2,550 3,520 2,810 1,190 638 805 513 1,380 2,420 4,470
25 2,140 3,080 2,410 3,200 2,380 1,240 797 653 489 1,270 2,190 3,810
26 1,960 3,040 2,190 3,200 2,170 1,730 832 562 782 1,150 2,100 3,140
27 2,320 2,640 2,180 3,090 1,790 1,690 733 466 811 1,450 2,100 3,390
28 2,500 2,850 2,140 2,990 1,800 2,000 713 413 656 1,970 2,150 3,610
29 2,320 3,010 2,330 2,680 2,100 1,690 701 376 699 2,920 2,010 3,310
30 2,500   3,180 2,470 2,090 1,340 552 396 1,140 4,280 1,940 3,200
31 2,770   3,680   1,540   527 361   3,750   2,880