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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 01474500 Schuylkill River at Philadelphia, PA


Philadelphia County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  39°58'04", Longitude  75°11'20" NAD27
Drainage area 1,893  square miles
Gage datum 4.54 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 1931-10-01 -> 2025-09-30)

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 3,430 3,010 4,250 4,970 3,940 2,960 1,910 1,480 1,420 2,130 2,020 3,370
2 3,600 3,110 4,290 5,380 3,320 3,300 1,830 1,640 2,340 1,710 2,010 3,360
3 3,680 3,620 4,140 5,460 3,200 2,880 1,660 1,680 1,690 1,610 2,370 3,080
4 3,620 3,920 4,390 5,190 3,340 2,630 1,740 2,120 1,430 1,450 2,080 3,030
5 3,340 3,640 4,690 5,220 3,220 2,490 1,570 2,070 1,450 1,380 1,950 3,500
6 3,480 3,250 4,570 5,080 3,340 2,370 1,630 1,580 1,550 1,430 1,830 3,570
7 3,380 3,520 5,000 5,130 3,560 2,350 1,820 1,460 1,880 1,370 2,090 3,520
8 3,370 3,860 4,430 4,750 3,350 2,340 1,530 1,460 1,940 1,420 2,300 3,580
9 3,490 3,100 4,500 4,520 3,250 2,090 2,060 1,730 1,860 1,760 2,570 3,410
10 3,890 2,840 4,380 4,480 3,170 2,090 2,140 1,640 1,600 1,660 2,380 3,260
11 3,360 3,040 4,740 4,170 3,140 2,140 1,810 1,430 1,490 1,530 2,100 3,750
12 3,290 3,160 4,960 4,020 3,160 2,060 1,870 1,400 1,760 1,450 2,210 3,900
13 2,990 3,300 5,120 4,310 3,310 2,450 2,160 2,200 1,870 1,320 2,350 3,720
14 3,060 3,650 5,190 4,150 3,380 2,450 2,130 2,120 1,700 1,260 2,330 3,980
15 3,150 3,610 5,490 4,320 3,020 2,070 1,960 1,690 1,670 1,510 2,300 3,610
16 2,910 3,630 4,980 5,140 3,130 1,970 1,880 1,350 1,890 1,460 2,170 3,500
17 2,680 3,570 4,620 5,030 3,410 2,150 1,700 1,260 2,010 1,520 2,510 3,730
18 2,680 3,460 4,770 4,260 3,210 1,900 1,660 1,430 1,770 1,530 2,410 3,720
19 3,100 3,610 4,640 3,930 3,080 1,960 1,640 2,010 2,150 1,870 2,160 3,270
20 3,480 3,650 5,030 3,910 3,150 2,180 1,600 1,550 1,800 2,050 2,370 2,920
21 3,230 3,590 5,180 3,600 3,090 2,330 1,620 1,320 1,780 1,850 2,360 3,880
22 3,210 3,770 6,040 3,450 2,800 2,260 1,610 1,690 1,700 1,700 2,660 3,580
23 3,020 3,920 5,860 3,380 3,210 2,840 2,160 1,830 1,570 1,590 2,860 3,200
24 3,470 4,170 5,510 3,260 3,190 2,560 1,950 2,130 1,840 1,740 2,420 3,110
25 4,680 4,810 5,020 3,500 2,790 2,080 1,810 1,750 1,720 1,720 2,860 3,610
26 4,780 4,650 4,700 3,380 3,020 1,830 1,660 1,320 1,680 1,630 3,180 3,580
27 4,410 4,360 4,900 3,620 2,920 2,100 1,670 1,300 1,730 1,950 2,940 3,530
28 4,420 4,260 5,110 3,660 2,810 2,280 1,940 2,260 2,170 2,230 2,940 3,450
29 3,690 4,070 5,070 3,510 2,920 2,440 1,840 1,510 2,230 2,220 3,450 3,310
30 3,300   4,750 3,370 3,430 2,120 1,550 1,310 1,890 2,330 3,390 3,560
31 3,290   4,790   2,970   1,470 1,180   2,070   3,440