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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 01403900 Bound Brook at Middlesex NJ


Somerset County, New Jersey
Hydrologic Unit Code 020301050504
Latitude  40°35'06", Longitude  74°30'28" NAD83
Drainage area 48.4  square miles
Gage datum 25.64 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 1971-10-01 -> 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
1 113 58 74 159 157 82 65 50 42 75 52 130
2 95 102 128 166 102 96 44 141 172 52 48 134
3 89 118 93 145 87 87 49 145 89 50 42 88
4 86 109 90 143 84 91 68 97 38 46 36 55
5 61 104 87 117 92 63 69 57 23 47 39 57
6 71 95 87 88 98 61 43 29 51 27 39 96
7 79 96 115 85 105 64 46 48 101 24 35 115
8 97 77 104 114 94 78 43 57 72 53 58 96
9 78 60 111 96 97 68 53 55 48 90 66 140
10 135 57 125 93 93 60 49 53 41 41 53 110
11 83 77 132 70 84 64 39 66 45 38 37 96
12 79 75 97 110 123 55 52 45 34 83 46 121
13 78 100 146 120 97 71 72 51 72 67 83 78
14 82 92 240 84 106 81 107 71 53 66 80 121
15 60 85 124 132 89 53 145 64 38 39 66 75
16 79 100 87 251 94 44 75 48 29 51 67 127
17 82 90 83 163 89 57 45 45 36 55 76 120
18 106 102 71 77 67 53 74 51 54 56 47 143
19 93 78 107 72 77 60 50 53 34 116 40 81
20 94 65 116 80 60 51 30 42 24 145 69 56
21 54 66 115 72 51 45 63 36 20 60 51 125
22 44 72 120 60 54 40 67 80 27 35 81 91
23 77 82 148 80 64 36 111 90 46 41 52 101
24 119 147 118 72 49 49 116 36 69 40 48 102
25 127 192 84 82 47 48 125 41 91 66 73 118
26 107 97 82 97 48 50 65 40 92 94 93 101
27 96 83 72 135 61 45 47 31 86 100 113 104
28 107 80 83 98 88 68 74 191 69 109 80 110
29 100 58 128 98 67 52 51 94 109 112 60 107
30 60   130 96 62 82 45 44 96 137 86 108
31 47   158   73   55 25   63   84