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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 01451000 Lehigh River at Walnutport, PA


Northampton County, Pennsylvania
Hydrologic Unit Code 02040106
Latitude  40°45'25", Longitude  75°36'12" NAD27
Drainage area 889  square miles
Gage datum 349.53 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 1946-10-01 -> 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 2,080 2,030 2,390 3,370 2,540 2,160 1,500 928 1,130 1,400 1,600 2,480
2 2,100 2,010 2,420 3,470 2,420 2,000 1,450 1,050 1,240 1,210 1,540 2,470
3 2,130 2,170 2,310 3,840 2,410 1,940 1,310 1,090 1,070 1,200 1,690 2,270
4 2,050 2,150 2,300 3,880 2,390 1,830 1,280 1,190 1,010 1,110 1,600 2,550
5 2,010 2,070 2,560 4,060 2,340 1,700 1,270 1,120 996 1,210 1,520 2,540
6 2,120 1,920 2,600 4,080 2,450 1,640 1,230 1,060 1,030 1,180 1,450 2,430
7 2,050 2,010 2,590 3,830 2,370 1,690 1,190 1,080 1,110 1,140 1,500 2,390
8 2,010 2,020 2,450 3,750 2,410 1,630 1,290 969 1,050 1,180 1,630 2,420
9 2,080 1,780 2,570 3,430 2,380 1,590 1,280 943 1,140 1,240 1,710 2,330
10 2,170 1,700 2,600 3,300 2,280 1,500 1,400 955 1,050 1,190 1,620 2,250
11 2,080 1,830 3,010 3,160 2,310 1,490 1,210 946 1,060 1,160 1,680 2,570
12 2,050 1,830 2,910 2,900 2,350 1,510 1,100 972 1,100 1,220 1,750 2,620
13 2,100 1,820 2,810 2,980 2,360 1,590 1,090 1,110 1,260 1,190 1,820 2,610
14 2,090 1,930 2,870 2,910 2,390 1,550 1,120 1,190 1,090 1,160 1,790 2,610
15 1,970 1,930 3,030 3,040 2,320 1,500 1,170 1,080 1,140 1,320 1,720 2,470
16 1,910 1,910 2,980 3,350 2,330 1,490 1,170 993 1,180 1,400 1,760 2,400
17 1,820 1,960 2,980 3,210 2,530 1,420 1,170 964 1,140 1,410 1,940 2,340
18 1,760 1,950 2,940 3,060 2,420 1,380 1,070 1,040 1,320 1,280 1,770 2,340
19 1,910 1,880 2,810 2,920 2,360 1,360 983 1,650 1,230 1,440 1,660 2,210
20 2,010 1,900 2,920 2,820 2,370 1,340 951 1,060 1,220 1,480 1,720 2,150
21 1,980 1,990 3,010 2,590 2,270 1,420 953 927 1,160 1,480 1,860 2,700
22 2,020 2,050 3,240 2,450 2,200 1,470 1,030 945 1,120 1,410 2,100 2,390
23 2,040 2,090 3,350 2,430 2,210 1,630 1,000 1,080 1,170 1,390 2,080 2,260
24 2,380 2,410 3,220 2,330 2,130 1,470 1,120 972 1,220 1,400 1,860 2,420
25 2,570 2,580 3,210 2,330 2,150 1,370 1,120 909 1,200 1,340 1,950 2,600
26 2,720 2,470 3,190 2,400 2,130 1,450 1,030 948 1,170 1,370 2,130 2,440
27 2,870 2,300 3,220 2,450 1,930 1,590 1,010 916 1,310 1,370 2,090 2,480
28 2,660 2,460 3,180 2,450 1,800 1,640 1,050 922 1,370 1,450 2,390 2,410
29 2,500 2,440 3,290 2,430 2,040 1,650 1,130 882 1,400 1,530 2,420 2,290
30 2,270   3,350 2,380 2,090 1,520 1,040 927 1,360 1,630 2,460 2,390
31 2,180   3,510   2,100   971 1,030   1,580   2,230