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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 01408029 Manasquan River near Allenwood NJ


Monmouth County, New Jersey
Hydrologic Unit Code 02040301
Latitude  40°08'48", Longitude  74°07'20" NAD83
Drainage area 63.3  square miles
Gage datum 0.00 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 1989-10-01 -> 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 87 71 97 188 189 63 31 55 25 44 53 71
2 101 94 133 170 111 59 42 49 54 33 58 78
3 116 95 160 149 91 65 33 36 62 44 58 72
4 145 103 175 143 81 90 29 32 32 42 40 65
5 92 125 163 114 90 85 32 29 31 39 43 68
6 80 125 136 101 126 90 42 57 30 23 48 82
7 94 122 167 106 100 71 46 52 35 20 39 86
8 106 99 157 111 95 96 32 44 34 23 45 95
9 85 86 181 103 114 57 47 27 47 41 57 95
10 123 78 173 128 125 60 38 33 40 32 52 113
11 90 89 162 109 100 67 35 49 46 32 42 164
12 141 108 125 117 124 56 40 31 42 80 68 204
13 136 110 139 146 104 59 50 80 27 90 72 102
14 97 116 175 121 101 87 48 76 22 113 73 119
15 100 111 154 120 77 84 57 62 36 49 87 106
16 111 108 125 187 73 45 49 35 50 42 86 105
17 110 124 121 148 94 52 34 40 82 49 75 121
18 134 119 125 103 72 65 41 67 45 39 64 141
19 159 106 132 116 84 71 37 54 35 48 46 93
20 162 91 130 97 74 85 33 44 36 81 56 71
21 95 104 123 106 73 59 23 49 27 48 40 95
22 80 110 180 112 63 53 30 122 27 48 59 85
23 90 134 157 124 64 44 49 70 39 46 81 94
24 160 196 180 117 62 46 62 40 55 48 69 105
25 145 168 144 104 58 67 42 30 41 55 97 114
26 121 127 111 103 79 41 41 27 87 67 71 120
27 91 107 109 114 112 43 45 29 72 72 86 183
28 120 105 124 101 77 58 38 232 51 82 68 127
29 131 63 178 109 63 31 34 64 96 81 62 110
30 84   215 102 72 27 49 36 60 116 65 125
31 79   189   62   36 30   68   84