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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 -> 2020-09-30)

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 75 64 83 112 85 56 28 35 26 30 43 58
2 86 73 99 102 72 55 25 31 28 31 38 59
3 84 82 93 98 67 57 33 34 33 29 44 62
4 89 79 107 96 71 61 38 35 24 24 43 57
5 70 82 106 100 81 55 35 29 23 26 42 57
6 74 78 105 92 76 62 40 35 31 26 39 68
7 71 88 113 100 70 51 31 34 31 33 40 62
8 71 101 100 89 68 51 30 34 31 30 75 67
9 66 71 108 94 85 42 34 30 40 29 65 76
10 71 72 93 109 84 48 25 38 23 27 53 68
11 63 75 95 88 76 47 26 33 33 25 43 74
12 71 87 101 85 82 44 27 41 57 30 43 84
13 66 85 129 97 76 61 31 62 39 31 51 63
14 69 82 128 85 70 70 34 38 30 38 52 76
15 80 90 113 94 64 48 36 35 45 30 53 68
16 66 80 95 120 68 43 36 28 30 29 51 68
17 63 80 94 110 80 43 34 26 37 36 51 74
18 82 84 93 82 64 46 30 31 30 40 52 63
19 89 93 94 78 65 46 30 28 38 50 44 60
20 82 97 95 75 67 48 39 34 38 56 55 57
21 88 86 98 77 61 38 46 29 54 40 48 83
22 72 85 121 77 55 46 32 47 39 33 55 71
23 67 92 103 81 58 41 53 42 30 35 57 63
24 85 113 100 80 67 37 60 30 30 37 50 59
25 101 118 90 81 64 40 33 28 29 40 71 68
26 108 119 83 82 69 32 26 29 38 43 62 80
27 79 96 85 86 71 32 28 36 35 67 58 98
28 90 89 94 91 56 41 39 83 32 43 57 70
29 74 86 117 77 63 33 43 33 43 45 69 78
30 66   122 71 71 32 46 26 33 55 68 77
31 65   116   62   29 28   39   67