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USGS Daily Statistics for Pennsylvania

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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 77 - 78 years of record in, ft3/s   (Calculation Period 1938-10-01 -> 2016-09-30)

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 28,200 25,300 32,500 39,500 25,100 16,800 12,400 8,660 6,420 8,820 11,900 23,300
2 27,500 24,500 32,400 38,300 24,000 16,600 12,300 8,050 6,650 9,290 12,400 23,500
3 27,400 24,900 33,400 41,000 23,300 16,500 12,200 8,090 6,790 9,720 12,700 22,600
4 28,200 24,400 34,600 41,700 22,800 16,500 11,400 7,980 6,970 9,710 13,400 23,200
5 29,100 24,100 36,400 43,100 22,100 16,700 10,300 8,220 6,710 9,600 13,600 24,100
6 29,000 24,200 38,100 44,600 21,100 16,300 10,100 8,000 6,380 9,270 14,000 24,100
7 28,800 23,900 38,900 42,300 20,600 15,200 9,650 7,650 6,430 9,010 13,700 24,200
8 27,700 23,000 38,200 40,900 20,900 14,700 9,300 7,770 6,320 8,900 13,700 25,100
9 26,600 21,900 39,300 40,400 21,900 14,900 9,190 7,800 6,870 8,850 13,800 25,300
10 24,800 21,500 39,700 40,100 22,300 15,100 8,920 7,790 7,650 8,920 13,600 25,300
11 23,300 23,200 38,700 38,500 22,900 14,000 8,720 7,710 7,110 8,680 14,600 25,500
12 22,700 23,700 38,300 37,900 23,900 14,000 8,840 7,800 6,850 8,510 15,200 26,100
13 22,100 23,700 39,000 37,400 26,400 14,400 9,230 7,920 6,840 8,430 15,600 27,200
14 22,200 25,400 39,100 35,700 25,900 15,300 9,160 7,810 7,000 8,640 15,500 27,800
15 22,500 25,600 39,700 34,800 24,900 15,900 8,890 8,380 7,250 9,090 15,600 27,600
16 22,700 25,800 39,500 33,900 24,600 15,800 9,330 7,800 7,390 10,700 15,800 26,200
17 22,300 26,500 39,600 33,400 24,600 15,200 9,260 7,220 7,610 10,400 17,800 25,200
18 22,500 27,000 40,200 32,700 25,000 14,900 8,820 6,920 9,280 10,800 18,300 25,000
19 23,800 27,100 37,900 31,800 24,600 15,000 8,750 6,450 8,960 11,100 18,600 24,600
20 24,300 27,800 37,900 31,700 24,300 14,900 9,860 6,530 8,710 11,300 19,100 23,200
21 24,000 28,800 37,600 30,500 23,800 14,400 9,320 6,570 8,760 11,000 19,000 23,200
22 24,500 29,100 39,500 29,000 23,800 13,900 9,800 6,520 8,660 10,600 18,800 24,000
23 24,400 31,000 40,200 27,800 23,800 14,600 10,100 6,290 8,910 10,200 19,000 23,400
24 24,600 31,500 39,000 27,300 23,100 14,100 9,830 6,130 8,430 10,200 19,200 23,900
25 25,100 31,800 38,300 27,400 21,900 13,300 9,520 6,010 8,140 10,500 19,600 24,600
26 25,700 31,800 37,900 28,100 21,500 13,800 8,900 5,760 7,910 10,900 20,100 25,000
27 26,200 31,300 38,200 28,000 21,000 12,700 8,510 5,730 7,860 11,200 21,300 25,200
28 26,400 32,000 38,000 26,900 20,500 12,800 8,460 5,690 8,000 11,600 22,000 25,100
29 25,700 30,700 38,400 27,000 19,400 12,900 8,260 6,020 8,470 11,800 22,600 26,500
30 25,200   38,300 26,900 17,900 12,400 8,030 6,270 8,890 12,000 23,000 28,400
31 26,600   39,800   17,300   8,400 6,320   12,100   29,600