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USGS Daily Statistics for Pennsylvania

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 75 - 75 years of record in, ft3/s   (Calculation Period 1938-10-01 -> 2013-09-30)

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 28,100 25,800 33,000 39,700 25,100 16,800 11,500 8,650 6,440 8,720 12,000 23,500
2 27,500 24,900 32,900 38,600 23,800 16,500 11,500 8,060 6,660 9,270 12,400 23,700
3 27,400 25,300 34,000 41,100 23,200 16,400 11,500 8,080 6,780 9,760 12,700 22,800
4 28,300 24,800 35,200 41,700 22,700 16,500 10,700 7,900 6,960 9,770 13,300 23,500
5 29,100 24,500 37,000 42,900 22,000 16,800 9,820 8,120 6,690 9,690 13,600 24,400
6 28,900 24,500 38,800 44,400 21,100 16,400 9,710 7,930 6,350 9,360 14,000 24,100
7 28,700 24,300 39,500 42,200 20,600 15,300 9,380 7,550 6,420 9,100 13,700 24,000
8 27,700 23,300 38,800 40,800 20,900 14,800 8,950 7,690 6,320 8,970 13,600 24,800
9 26,700 22,200 40,000 40,100 22,000 15,000 8,800 7,770 6,890 8,920 13,700 25,100
10 24,900 21,800 40,300 39,600 22,500 15,100 8,490 7,800 7,690 8,990 13,500 25,200
11 23,300 23,600 39,200 37,900 23,100 14,000 8,300 7,700 7,150 8,750 14,500 25,400
12 22,400 24,000 38,600 37,300 24,200 13,900 8,450 7,750 6,860 8,590 15,200 26,100
13 21,800 24,100 39,100 36,900 26,600 14,200 8,900 7,780 6,820 8,520 15,600 27,400
14 21,900 25,800 39,000 35,300 26,100 14,900 8,830 7,580 7,010 8,720 15,500 28,100
15 22,000 26,100 39,500 34,500 24,900 15,400 8,560 8,140 7,270 9,200 15,700 28,000
16 22,400 26,300 39,200 33,700 24,500 15,100 8,970 7,590 7,440 10,800 15,900 26,500
17 22,100 27,000 39,200 33,300 24,300 14,600 8,880 7,040 7,670 10,600 18,000 25,400
18 22,400 27,500 39,700 32,700 24,600 14,300 8,510 6,780 9,390 10,800 18,400 25,100
19 23,800 27,700 37,400 32,000 24,200 14,100 8,430 6,350 9,050 11,100 18,600 24,600
20 24,400 28,400 37,500 31,800 24,000 14,200 9,620 6,480 8,800 11,400 19,100 23,200
21 24,100 29,300 37,200 30,500 23,500 13,800 9,010 6,530 8,870 11,000 19,000 23,100
22 24,700 29,500 39,300 29,000 23,200 13,300 9,600 6,440 8,750 10,500 18,900 23,100
23 24,700 31,200 40,100 27,900 23,300 14,100 10,000 6,140 9,000 10,200 19,100 22,500
24 24,900 31,700 39,000 27,300 22,700 13,600 9,780 6,020 8,530 10,100 19,400 23,200
25 25,500 32,000 38,400 27,500 21,700 12,700 9,500 5,930 8,230 10,500 19,600 24,000
26 26,200 32,100 38,100 28,200 21,400 12,800 8,890 5,710 8,000 10,800 20,200 24,500
27 26,600 31,700 38,400 28,100 21,000 11,900 8,520 5,710 7,960 11,200 21,400 24,700
28 26,900 32,400 38,300 27,100 20,500 12,000 8,410 5,680 8,100 11,600 22,100 24,800
29 26,200 30,700 38,800 27,200 19,400 12,000 8,210 6,040 8,560 11,800 22,600 26,200
30 25,700   38,600 27,200 17,900 11,600 7,990 6,300 8,790 12,100 23,100 28,200
31 27,100   40,100   17,300   8,360 6,350   12,100   29,400