Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Surface-Water Daily Statistics for Pennsylvania

Click to hide state-specific text

[!] 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 01473500 Schuylkill River at Norristown, PA


Montgomery County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°06'56", Longitude  75°21'22" NAD83
Drainage area 1,760  square miles
Contributing drainage area 1,760  square miles
Gage datum 51 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1927-10-01 -> 2023-09-30)

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 3,920 2,390 4,070 4,670 5,530 2,300 2,640 1,640 2,300 3,540 3,590 3,770
2 3,930 2,600 4,940 4,750 3,770 2,840 2,440 1,820 4,910 2,750 3,280 3,620
3 3,620 2,690 4,620 5,100 3,610 2,760 2,090 2,050 2,740 2,650 3,760 3,600
4 3,380 3,720 3,860 4,280 3,540 2,910 1,800 3,810 1,890 2,080 2,870 2,980
5 3,100 4,000 4,030 3,740 3,450 2,740 1,730 3,520 1,620 1,980 2,560 2,840
6 3,440 3,750 4,690 3,590 3,350 2,860 2,310 2,250 2,220 1,870 2,370 2,590
7 3,680 3,970 4,490 4,030 3,880 2,730 1,870 1,780 3,300 1,700 2,790 2,780
8 3,390 4,130 4,550 4,550 3,570 2,810 1,850 2,000 3,150 2,100 2,650 3,880
9 3,150 3,570 4,380 3,840 3,340 2,340 1,890 1,710 2,890 2,770 2,340 3,620
10 3,030 2,980 4,310 3,380 3,250 2,560 2,100 1,780 2,730 1,640 2,700 3,380
11 3,040 3,130 5,090 3,230 3,020 3,180 2,280 1,830 2,300 1,620 2,060 3,700
12 3,590 2,880 4,770 3,900 2,930 2,590 2,960 1,780 2,210 2,030 2,020 4,750
13 3,300 3,410 5,110 4,520 3,270 2,560 2,730 3,180 2,020 2,160 2,440 3,780
14 3,660 3,450 5,240 4,130 3,850 2,760 2,940 3,380 1,770 1,880 2,160 3,940
15 3,400 3,650 4,630 4,810 3,150 2,330 3,380 2,820 2,420 1,870 1,900 3,520
16 2,960 3,490 4,320 6,410 3,480 2,140 2,240 2,010 2,110 1,890 2,210 3,830
17 2,840 3,530 3,860 6,120 3,850 2,050 1,770 1,700 1,600 2,130 3,160 3,940
18 2,890 3,530 3,560 5,130 3,220 1,910 1,830 1,720 2,560 2,140 3,690 3,350
19 2,950 3,380 3,860 4,550 3,340 2,040 1,770 1,910 3,020 2,540 3,440 2,950
20 3,140 3,260 4,620 4,190 3,410 2,820 1,480 1,580 2,000 2,680 3,590 2,890
21 2,630 3,150 5,310 3,560 3,450 3,320 1,330 1,550 1,620 2,140 2,770 3,600
22 2,210 3,230 5,480 3,400 2,880 2,560 1,660 2,400 1,440 1,830 2,520 3,280
23 2,260 3,870 4,740 3,770 2,740 2,140 2,790 2,190 1,830 1,800 3,360 3,440
24 3,200 4,170 4,520 3,680 2,510 2,370 2,710 1,740 2,670 1,720 2,980 3,890
25 3,990 4,990 4,190 3,240 2,540 2,150 2,620 1,360 1,960 1,920 3,240 5,140
26 3,590 4,630 3,560 3,310 2,480 2,440 2,070 1,220 1,790 1,910 2,720 4,850
27 2,900 4,990 3,640 4,110 2,640 3,270 1,850 1,310 1,610 2,690 2,950 4,340
28 2,640 4,250 4,400 3,810 2,490 4,410 3,240 3,650 2,590 3,500 3,340 4,150
29 2,290 3,580 5,210 3,810 2,510 3,780 2,020 2,300 3,390 3,520 3,100 3,960
30 2,100   4,840 4,140 2,830 2,870 1,570 1,960 2,390 4,250 3,330 3,650
31 2,800   4,730   2,560   1,460 1,680   3,550   3,330