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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 01401000 Stony Brook at Princeton NJ


Mercer County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°19'59", Longitude  74°40'55" NAD83
Drainage area 44.5  square miles
Gage datum 62.23 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 1953-10-01 -> 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 98 59 115 149 97 48 20 30 30 28 29 89
2 103 96 139 175 66 51 22 53 82 20 29 90
3 89 122 108 121 68 46 34 40 21 19 34 83
4 92 111 121 134 66 67 24 35 39 19 25 83
5 75 88 119 145 64 53 24 25 13 18 32 74
6 73 94 156 116 74 56 21 16 29 14 32 81
7 88 114 162 115 97 53 39 18 36 12 35 90
8 93 107 129 121 81 55 19 16 42 22 84 89
9 101 68 132 108 79 36 20 21 17 40 48 118
10 104 79 136 121 79 42 16 30 15 25 43 85
11 69 89 123 77 72 32 16 25 24 20 39 151
12 101 94 119 87 77 33 23 27 62 51 50 131
13 75 138 147 121 68 60 44 67 34 18 63 95
14 81 103 175 91 63 49 83 50 24 32 53 151
15 91 102 127 124 53 28 52 25 16 34 45 94
16 76 92 98 216 66 20 34 16 65 23 49 120
17 66 86 111 139 70 42 21 11 44 19 66 101
18 102 100 116 76 62 34 28 19 20 22 42 131
19 121 113 131 78 62 36 16 39 23 87 38 67
20 149 107 141 75 59 33 14 18 34 50 71 58
21 113 103 164 67 50 40 34 17 30 38 76 143
22 75 110 189 64 40 57 32 113 24 26 64 88
23 87 118 149 77 38 42 28 39 23 25 62 90
24 122 158 132 68 69 38 45 20 34 27 43 100
25 150 179 132 85 57 24 36 14 44 41 82 142
26 148 129 108 73 48 17 20 15 32 46 75 111
27 112 100 113 96 81 17 29 73 44 37 76 93
28 127 122 111 89 44 46 63 146 33 76 95 86
29 99 87 138 77 83 32 57 20 46 61 91 87
30 74   151 85 72 37 50 16 41 56 90 85
31 60   136   43   34 10   33   67