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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 01438500 Delaware River at Montague NJ


Pike County, Pennsylvania
Hydrologic Unit Code 02040104
Latitude  41°18'33", Longitude  74°47'43" NAD83
Drainage area 3,480  square miles
Gage datum 369.93 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 water year of record in, ft3/s   (Calculation Period 1939-10-01 -> 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 7,020 5,710 6,690 14,300 8,480 6,070 4,960 3,050 2,880 4,200 4,570 6,320
2 6,700 5,490 6,580 13,700 8,340 5,980 4,520 3,080 3,550 3,990 4,400 6,790
3 6,820 5,850 6,660 15,400 7,970 5,730 3,990 3,040 3,290 3,700 4,540 6,490
4 6,350 6,090 6,800 15,100 7,770 5,230 3,810 3,070 3,040 3,400 4,960 6,220
5 6,270 5,940 7,380 15,900 7,780 4,840 3,440 3,210 2,910 3,420 4,480 6,530
6 6,380 5,550 8,710 16,000 7,760 4,850 3,270 2,890 2,770 3,500 4,260 6,140
7 6,630 5,490 9,140 14,700 7,560 5,340 3,140 2,840 3,220 3,520 4,300 6,270
8 6,380 5,600 8,620 14,100 7,070 5,080 3,170 2,890 3,650 3,340 4,480 6,720
9 6,420 5,360 9,230 13,000 6,760 4,590 3,350 2,830 3,600 3,440 5,690 6,660
10 6,480 5,040 9,670 12,100 6,700 4,370 3,740 3,060 3,240 3,890 5,550 6,390
11 6,120 5,190 9,530 11,700 7,260 4,420 3,350 3,060 3,030 3,310 5,340 6,850
12 5,970 5,810 9,410 10,800 7,490 4,340 2,990 2,940 2,960 3,280 5,130 7,930
13 5,910 5,250 9,280 10,800 7,860 4,450 3,060 3,250 3,220 3,360 5,270 7,350
14 6,120 5,220 9,410 11,100 7,780 4,820 3,210 3,160 3,120 3,240 5,160 7,330
15 6,240 5,380 10,000 11,000 7,280 4,920 3,200 3,030 2,870 3,450 5,300 6,830
16 5,770 5,770 10,100 11,800 7,310 4,890 3,250 3,060 2,980 3,970 5,230 6,340
17 5,450 5,760 10,200 12,400 7,510 4,500 3,260 3,000 3,060 3,850 5,440 6,170
18 5,240 5,860 10,700 11,500 7,410 4,290 3,270 3,080 3,840 3,840 5,260 6,630
19 5,670 5,840 9,980 10,500 7,340 4,280 3,300 5,340 4,450 3,740 4,980 6,440
20 6,670 5,830 10,200 9,910 7,230 3,960 3,310 3,680 3,760 4,130 4,970 5,740
21 5,700 6,300 10,600 9,780 7,280 3,950 3,140 3,040 3,480 4,320 5,380 6,550
22 5,640 6,440 11,700 9,340 7,330 4,040 3,110 2,930 3,090 4,110 5,570 7,130
23 5,690 6,540 11,700 8,940 7,730 4,250 3,060 3,110 3,020 3,730 5,560 6,450
24 5,940 6,710 11,000 8,910 6,990 4,450 3,100 2,850 3,430 3,690 5,430 6,500
25 7,420 7,860 11,000 9,410 6,660 4,260 3,100 2,640 3,670 3,730 5,260 7,110
26 7,590 8,240 11,000 9,190 6,530 4,070 2,960 2,590 3,860 4,070 6,150 6,800
27 7,600 7,470 11,300 9,100 6,180 4,350 2,890 2,490 3,800 4,880 6,480 6,560
28 8,060 7,090 11,300 8,820 5,900 5,510 3,030 2,980 4,840 4,850 6,340 6,510
29 7,000 7,270 12,200 8,630 6,080 5,890 3,480 3,390 4,510 5,220 7,000 6,520
30 6,170   12,600 8,200 6,600 5,410 3,390 2,980 4,160 5,090 6,490 6,950
31 5,900   14,300   6,060   3,100 2,890   4,960   8,240