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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.



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 03049500 Allegheny River at Natrona, PA


Allegheny County, Pennsylvania
Hydrologic Unit Code 05010009
Latitude  40°36'55", Longitude  79°43'07" NAD27
Drainage area 11,410  square miles
Gage datum 736.36 feet above NGVD29
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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 1938-10-01 -> 2022-09-30)

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 29,100 25,100 33,200 39,500 25,300 17,100 12,500 8,640 6,600 8,950 13,800 22,900
2 28,600 24,200 33,500 38,400 24,400 17,000 12,500 8,040 6,840 9,340 14,200 23,200
3 28,400 24,500 34,300 40,600 23,800 16,900 12,300 8,070 7,040 9,710 14,400 22,600
4 29,100 24,300 35,100 41,200 23,300 16,700 11,400 7,920 7,150 9,800 14,800 23,300
5 29,700 24,100 36,600 42,500 22,600 16,900 10,400 8,120 6,870 9,690 14,900 24,100
6 29,300 24,300 37,800 43,700 22,000 16,500 10,200 7,900 6,500 9,360 15,400 24,000
7 28,900 24,300 38,300 41,600 21,500 15,400 9,830 7,540 6,500 9,130 15,100 24,100
8 27,600 24,100 37,700 40,300 21,600 14,800 9,540 7,630 6,350 9,130 14,900 24,900
9 26,400 23,100 38,800 39,700 22,400 14,900 9,400 7,620 7,060 9,030 14,700 25,000
10 24,700 22,500 38,900 39,300 22,900 14,900 9,090 7,610 8,310 9,030 14,500 25,100
11 23,400 24,100 38,100 37,700 23,500 14,000 8,870 7,530 7,800 8,820 15,400 25,400
12 23,600 24,500 37,700 37,200 24,300 13,900 8,990 7,680 7,450 8,640 15,900 25,900
13 24,900 24,800 38,400 36,900 26,700 14,200 9,410 7,810 7,440 8,550 16,200 26,800
14 23,900 26,300 38,300 35,200 26,600 15,000 9,450 7,730 7,590 8,730 16,000 27,300
15 23,500 26,500 38,700 34,600 25,600 15,500 9,150 8,270 7,780 9,140 15,900 27,200
16 23,600 27,100 38,600 33,800 25,300 15,400 9,460 7,690 7,870 10,600 16,100 25,800
17 23,200 27,600 38,500 33,500 25,200 15,300 9,440 7,120 7,990 10,400 17,900 24,800
18 23,300 27,800 38,900 32,800 25,200 15,200 9,390 6,870 9,590 10,700 18,300 24,900
19 24,400 27,900 36,800 31,900 24,600 15,400 9,300 6,550 9,250 11,000 18,900 24,600
20 24,700 28,700 37,000 31,900 24,100 15,400 10,300 6,780 8,910 11,200 19,600 23,400
21 24,200 29,500 37,000 30,700 23,600 15,100 9,810 6,740 8,790 11,000 19,300 23,500
22 24,600 29,800 38,500 29,500 23,500 14,800 10,200 6,760 8,640 10,800 19,100 24,400
23 24,500 31,400 39,000 28,000 23,400 15,100 10,500 6,610 8,860 10,600 19,200 23,900
24 25,100 31,600 37,800 27,300 22,700 14,600 10,100 6,400 8,460 10,500 19,300 24,500
25 26,000 32,300 37,000 27,200 21,500 13,900 9,770 6,260 8,190 10,800 19,600 25,400
26 26,600 32,600 36,600 27,800 21,100 14,300 9,100 5,990 8,040 11,200 20,100 25,900
27 26,900 32,100 36,800 27,800 20,600 13,100 8,670 5,880 8,120 11,600 21,300 25,900
28 27,000 32,900 36,700 26,700 20,000 13,100 8,570 5,800 8,330 12,200 21,900 26,300
29 26,200 32,300 37,600 26,800 19,600 13,100 8,360 6,150 8,730 12,900 22,300 27,500
30 25,500   37,800 26,700 18,200 12,600 8,060 6,410 9,040 13,500 22,700 29,300
31 26,500   39,300   17,700   8,330 6,470   13,600   30,300