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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 01407500 Swimming River near Red Bank NJ


Monmouth County, New Jersey
Hydrologic Unit Code 02030104
Latitude  40°19'11", Longitude  74°06'56" NAD83
Drainage area 49.2  square miles
Gage datum 30.00 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 -> 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 74 64 84 111 92 54 27 34 26 30 43 59
2 87 73 100 103 72 54 24 30 34 31 38 58
3 83 81 95 103 67 56 32 32 32 29 43 61
4 88 80 107 101 70 60 37 34 24 24 42 57
5 70 81 106 100 80 54 34 28 23 25 41 58
6 73 77 106 93 75 61 38 34 31 26 38 68
7 72 87 115 100 71 49 37 33 30 32 39 62
8 70 99 99 90 69 50 30 33 30 29 73 66
9 65 71 106 93 84 41 37 30 39 28 63 74
10 79 71 99 107 83 47 28 37 23 26 52 68
11 63 74 95 87 75 45 29 34 35 25 42 79
12 71 85 100 85 80 43 28 41 59 29 44 84
13 69 84 127 96 75 59 30 61 39 31 51 62
14 69 81 126 84 69 68 33 37 30 37 52 74
15 79 88 111 93 63 48 36 34 44 30 52 67
16 67 80 94 117 68 42 35 27 29 30 52 72
17 67 81 92 108 78 41 33 25 36 37 51 75
18 82 84 92 81 62 44 29 31 30 39 51 73
19 88 92 94 84 64 45 29 28 38 49 43 63
20 81 96 93 75 67 47 38 33 36 54 54 57
21 86 84 96 76 61 36 45 28 52 40 47 81
22 71 84 118 76 54 44 31 54 38 33 56 70
23 67 92 107 81 57 39 51 43 30 35 56 65
24 84 111 104 79 65 35 60 30 35 36 49 60
25 99 118 95 80 62 38 32 27 33 39 69 72
26 109 117 83 80 67 31 26 28 40 52 61 80
27 78 95 84 85 69 32 27 35 35 69 57 96
28 91 90 94 89 55 40 38 81 32 43 56 74
29 75 86 117 81 63 32 42 32 46 45 67 79
30 66   120 75 71 31 45 25 35 58 68 77
31 64   114   62   28 28   40   67