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USGS 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 01399500 Lamington (Black) River near Pottersville NJ


Morris County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°43'39", Longitude  74°43'49" NAD83
Drainage area 32.8  square miles
Gage datum 284.14 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 1921-10-01 -> 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 72 59 76 95 81 61 40 36 34 38 46 63
2 69 64 78 100 75 63 39 37 36 36 45 64
3 70 67 76 101 75 60 36 35 32 34 48 62
4 66 68 80 103 74 58 35 36 34 33 45 61
5 65 64 82 103 74 55 37 35 31 32 44 62
6 67 65 86 105 72 55 36 33 38 32 43 61
7 64 71 92 104 72 53 40 33 37 30 44 62
8 65 70 89 99 69 53 36 32 42 32 47 62
9 68 63 87 95 69 50 40 32 37 32 46 62
10 70 63 88 93 68 49 39 33 34 31 48 61
11 66 66 92 87 69 47 37 33 31 31 45 66
12 64 63 95 89 74 47 36 34 32 32 46 65
13 62 67 97 88 72 48 41 37 31 29 47 63
14 63 67 100 84 69 47 40 35 31 31 46 66
15 63 71 104 89 69 46 39 34 33 32 46 60
16 59 66 97 98 69 45 39 33 35 32 47 61
17 58 68 93 94 68 47 35 34 33 32 50 60
18 61 69 90 89 68 44 34 34 34 34 48 65
19 62 66 90 85 68 45 32 35 38 40 48 59
20 62 68 92 82 68 42 31 30 37 41 52 59
21 64 69 95 77 64 43 34 30 35 39 52 72
22 64 71 99 76 61 44 36 35 34 37 53 63
23 63 74 100 77 62 42 41 36 33 38 55 64
24 75 79 98 75 61 42 40 33 33 37 52 64
25 86 83 94 75 60 42 41 32 34 37 55 67
26 83 86 89 76 59 41 38 30 32 41 57 66
27 79 82 89 76 58 40 40 31 35 42 56 67
28 79 80 90 79 55 42 40 45 38 44 58 69
29 71 74 90 77 59 40 35 36 37 45 60 67
30 65   90 78 59 40 34 34 37 46 62 68
31 62   92   60   35 33   45   67