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USGS Daily Statistics for Pennsylvania

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[!] ICE EFFECTS ON STREAMFLOW -- During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.



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 -> 2020-09-30)

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 28,800 25,300 33,100 39,700 25,200 17,200 12,600 8,600 6,390 8,970 13,400 23,100
2 28,200 24,400 33,300 38,600 24,300 17,100 12,500 8,010 6,660 9,400 13,900 23,300
3 27,800 24,800 34,100 40,800 23,700 17,000 12,300 8,060 6,820 9,790 14,200 22,600
4 28,600 24,500 35,000 41,500 23,200 16,800 11,400 7,930 6,930 9,880 14,600 23,400
5 29,400 24,300 36,500 42,800 22,500 17,000 10,400 8,120 6,660 9,780 14,700 24,200
6 29,100 24,500 37,800 44,000 21,800 16,500 10,200 7,910 6,320 9,430 15,300 24,100
7 28,700 24,500 38,400 41,900 21,300 15,400 9,830 7,570 6,380 9,190 15,100 24,200
8 27,500 24,300 37,800 40,600 21,500 14,800 9,560 7,660 6,260 9,180 14,800 24,900
9 26,400 23,300 38,900 40,000 22,300 14,900 9,400 7,650 7,000 9,080 14,700 25,100
10 24,700 22,700 39,100 39,700 22,500 15,000 9,060 7,630 8,270 9,080 14,600 25,200
11 23,500 24,300 38,300 38,000 23,000 14,000 8,830 7,560 7,760 8,850 15,400 25,500
12 23,700 24,700 37,900 37,500 24,000 13,900 8,950 7,720 7,420 8,670 15,900 25,900
13 25,100 25,000 38,500 37,200 26,500 14,200 9,270 7,800 7,430 8,590 16,300 26,900
14 24,000 26,500 38,400 35,500 26,500 15,100 9,240 7,700 7,590 8,790 16,100 27,400
15 23,700 26,800 38,900 34,800 25,500 15,600 8,940 8,230 7,790 9,210 16,000 27,300
16 23,700 27,400 38,800 34,100 25,300 15,400 9,300 7,680 7,880 10,700 16,200 26,000
17 23,300 27,900 38,700 33,800 25,300 15,300 9,200 7,110 7,990 10,500 18,000 24,900
18 23,400 28,100 39,100 33,100 25,300 15,300 8,780 6,830 9,600 10,700 18,400 25,100
19 24,600 28,200 36,900 32,200 24,700 15,500 8,730 6,400 9,270 11,000 19,000 24,800
20 24,800 28,900 37,100 32,200 24,300 15,500 9,860 6,510 8,930 11,300 19,700 23,500
21 24,400 29,800 37,100 31,000 23,800 15,200 9,450 6,540 8,820 11,100 19,400 23,600
22 24,700 30,100 38,700 29,700 23,700 14,800 9,870 6,570 8,670 10,800 19,200 24,500
23 24,700 31,600 39,200 28,200 23,600 15,200 10,300 6,480 8,840 10,600 19,300 24,000
24 25,300 31,800 38,000 27,500 22,900 14,700 9,930 6,250 8,370 10,400 19,400 24,600
25 26,200 32,500 37,300 27,500 21,700 14,000 9,590 6,110 8,070 10,700 19,700 25,400
26 26,800 32,700 36,800 28,000 21,300 14,400 8,930 5,840 7,940 11,000 20,200 25,600
27 27,100 32,200 37,100 28,000 20,800 13,100 8,520 5,770 8,020 11,400 21,400 25,700
28 27,200 33,000 37,000 27,000 20,200 13,200 8,450 5,720 8,240 12,000 22,100 26,100
29 26,400 32,300 37,900 27,000 19,700 13,200 8,270 6,070 8,660 12,800 22,500 27,200
30 25,700   38,000 26,900 18,300 12,700 7,990 6,310 9,080 13,100 22,800 29,000
31 26,700   39,600   17,700   8,270 6,320   13,100   30,100