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USGS Surface-Water Daily Statistics for the Nation

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 -> 2024-09-30)

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 2,370 3,390 2,550 2,160 1,500 928 1,130 1,410 1,600 2,480
2 2,100 2,010 2,400 3,480 2,430 2,010 1,460 1,050 1,250 1,220 1,540 2,470
3 2,130 2,170 2,280 3,770 2,430 1,950 1,310 1,090 1,070 1,210 1,690 2,270
4 2,050 2,150 2,270 3,780 2,400 1,840 1,290 1,180 1,010 1,120 1,600 2,550
5 2,010 2,070 2,520 3,980 2,350 1,700 1,270 1,120 1,000 1,220 1,520 2,540
6 2,120 1,920 2,570 4,050 2,460 1,640 1,240 1,050 1,030 1,190 1,450 2,430
7 2,050 2,010 2,550 3,830 2,380 1,690 1,190 1,050 1,110 1,150 1,500 2,390
8 2,010 2,020 2,410 3,730 2,420 1,640 1,290 954 1,050 1,190 1,630 2,420
9 2,080 1,780 2,540 3,410 2,390 1,590 1,280 905 1,140 1,250 1,710 2,330
10 2,170 1,700 2,500 3,290 2,290 1,500 1,410 909 1,060 1,190 1,620 2,250
11 2,080 1,830 2,940 3,160 2,310 1,500 1,220 925 1,070 1,160 1,680 2,570
12 2,050 1,830 2,860 2,880 2,350 1,520 1,100 956 1,100 1,220 1,750 2,620
13 2,100 1,820 2,770 2,960 2,360 1,600 1,100 1,100 1,270 1,190 1,820 2,610
14 2,090 1,930 2,850 2,890 2,400 1,560 1,120 1,190 1,100 1,160 1,790 2,610
15 1,970 1,930 3,020 3,010 2,320 1,510 1,180 1,070 1,150 1,320 1,720 2,470
16 1,910 1,910 2,980 3,340 2,330 1,490 1,170 992 1,180 1,400 1,760 2,400
17 1,820 1,960 2,990 3,200 2,540 1,420 1,180 962 1,150 1,410 1,940 2,340
18 1,760 1,950 2,950 3,060 2,430 1,380 1,070 1,040 1,330 1,280 1,770 2,340
19 1,910 1,880 2,820 2,920 2,370 1,360 986 1,640 1,240 1,440 1,660 2,210
20 2,010 1,900 2,930 2,820 2,380 1,350 953 1,050 1,230 1,480 1,720 2,150
21 1,980 1,990 3,020 2,590 2,280 1,430 953 921 1,170 1,480 1,860 2,700
22 2,020 2,060 3,260 2,460 2,210 1,480 1,030 942 1,130 1,410 2,100 2,390
23 2,040 2,100 3,360 2,430 2,210 1,630 1,000 1,080 1,180 1,390 2,080 2,260
24 2,380 2,430 3,200 2,330 2,130 1,480 1,120 966 1,230 1,400 1,860 2,420
25 2,570 2,600 3,190 2,340 2,150 1,380 1,120 906 1,210 1,340 1,950 2,600
26 2,720 2,480 3,180 2,400 2,130 1,460 1,040 949 1,180 1,370 2,130 2,440
27 2,870 2,310 3,210 2,460 1,930 1,600 1,010 919 1,320 1,370 2,090 2,480
28 2,660 2,460 3,180 2,460 1,790 1,650 1,050 924 1,380 1,450 2,390 2,410
29 2,500 2,350 3,300 2,440 2,030 1,660 1,130 882 1,410 1,530 2,420 2,290
30 2,270   3,360 2,390 2,090 1,530 1,050 927 1,370 1,630 2,460 2,390
31 2,180   3,530   2,100   967 1,020   1,580   2,230