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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 01382800 Pequannock River at Riverdale NJ


Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°59'55", Longitude  74°17'53" NAD83
Drainage area 83.9  square miles
Gage datum 187.90 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 1993-10-01 -> 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
1 147 174 167 284 251 77 53 61 50 69 107 124
2 130 149 195 304 196 81 56 43 40 78 93 310
3 121 143 191 259 168 78 50 37 34 102 191 247
4 118 146 168 268 166 75 39 59 30 87 168 159
5 116 147 152 259 160 82 29 114 30 77 119 144
6 117 136 147 246 173 65 23 73 90 65 109 151
7 111 139 152 237 162 67 35 51 182 50 106 171
8 102 136 155 219 161 92 37 42 222 48 99 230
9 98 124 180 187 147 76 30 39 189 45 93 189
10 102 108 161 170 134 63 27 33 113 40 94 167
11 102 108 152 153 125 79 29 39 85 44 90 157
12 129 105 166 145 163 76 31 40 70 53 113 141
13 146 104 187 188 172 81 69 36 53 49 152 129
14 122 96 181 195 180 115 92 54 44 51 132 183
15 107 88 196 189 152 98 87 59 39 51 152 182
16 114 104 219 358 147 71 66 47 34 50 143 168
17 108 117 194 331 172 55 44 48 34 41 138 176
18 108 104 169 239 146 57 49 57 39 34 127 156
19 142 92 165 197 123 64 45 45 33 101 107 127
20 158 97 216 203 133 52 37 42 27 214 100 108
21 151 131 195 200 116 74 32 45 26 230 93 223
22 114 160 215 171 99 67 48 65 32 126 92 272
23 112 158 200 156 110 46 81 62 37 84 128 213
24 184 194 194 132 151 37 66 48 67 68 137 181
25 257 272 206 126 131 45 62 38 66 56 166 161
26 204 237 185 145 117 38 45 33 53 48 165 137
27 198 208 182 136 90 31 32 34 52 73 183 142
28 273 195 190 127 76 53 35 411 70 89 165 163
29 204 202 224 118 78 56 30 361 83 99 128 164
30 162   252 168 89 42 37 151 96 121 118 160
31 173   263   88   57 79   116   149