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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 02030105
Latitude  40°35'06", Longitude  74°30'28" NAD83
Drainage area 48.4  square miles
Gage datum 26.52 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 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 59 75 155 162 80 65 50 42 75 52 134
2 97 105 132 168 105 97 44 141 172 52 48 138
3 91 122 95 148 90 88 49 145 89 50 42 91
4 88 112 92 146 84 92 68 97 38 46 36 56
5 62 107 85 119 93 64 69 57 23 47 39 59
6 73 97 76 85 97 62 43 29 51 27 39 99
7 81 97 115 84 107 65 46 48 101 24 35 119
8 100 79 106 115 96 79 43 57 72 53 58 99
9 80 61 113 97 98 68 53 55 48 90 66 145
10 139 57 128 95 94 55 49 53 41 41 53 113
11 85 79 135 70 86 63 39 66 45 38 37 95
12 81 76 99 96 126 56 52 45 34 83 46 120
13 81 100 151 116 99 71 72 51 72 67 83 79
14 84 93 247 83 91 81 107 71 53 66 80 124
15 61 86 128 133 65 53 145 64 38 39 66 77
16 82 89 90 258 86 44 75 48 29 51 67 128
17 85 83 79 167 86 57 45 45 36 55 76 120
18 110 103 70 77 67 53 74 51 54 56 47 146
19 96 78 109 73 77 60 50 53 34 116 40 81
20 97 66 118 81 60 51 30 42 24 145 69 56
21 56 67 111 73 51 45 63 36 20 60 51 128
22 45 73 121 61 43 40 67 80 27 35 81 93
23 79 84 152 81 59 36 111 90 46 41 52 104
24 123 152 119 74 47 49 116 36 69 40 48 105
25 131 198 84 84 46 48 125 41 91 66 73 121
26 110 99 83 99 48 50 65 40 92 94 93 104
27 99 84 73 138 61 45 47 31 86 100 116 107
28 111 82 85 101 89 68 74 191 69 109 80 112
29 104 58 131 100 65 52 51 94 109 112 59 105
30 61   134 99 62 82 45 44 96 137 89 106
31 48   162   60   55 25   63   84