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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 -> 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
1 171 171 171 281 339 78 45 52 86 68 113 165
2 159 152 195 294 263 81 48 38 163 70 96 274
3 147 146 198 277 205 83 46 34 108 85 161 222
4 140 162 193 305 186 79 37 60 70 79 141 154
5 132 162 180 273 174 85 29 100 56 72 104 143
6 131 144 180 249 178 67 26 69 94 60 95 144
7 126 141 189 259 177 64 33 52 154 53 92 158
8 114 135 183 317 173 78 35 42 178 54 87 193
9 123 124 197 252 160 71 45 47 160 48 81 162
10 264 109 219 210 142 63 69 38 109 41 81 148
11 196 108 199 181 130 70 66 38 80 42 80 179
12 169 104 202 199 153 65 54 36 65 48 105 164
13 195 106 211 257 154 79 123 33 53 45 139 140
14 165 99 204 253 156 96 107 45 44 48 124 169
15 137 88 208 223 139 81 95 53 39 48 134 163
16 150 108 214 331 134 62 92 42 36 48 129 158
17 146 121 197 299 148 49 83 46 35 40 120 172
18 134 119 183 231 127 50 82 63 40 35 110 321
19 153 108 187 221 110 55 62 54 33 83 96 253
20 170 104 219 218 116 47 48 46 28 164 89 169
21 158 124 203 203 101 60 46 44 28 178 83 223
22 124 144 205 177 86 55 52 85 34 102 97 245
23 128 149 221 179 100 41 72 148 40 71 121 235
24 180 175 238 162 131 35 59 91 71 60 121 200
25 236 233 243 151 109 40 53 68 77 53 137 248
26 238 205 216 158 96 49 40 49 67 90 138 219
27 221 186 201 149 77 52 31 42 58 135 170 185
28 274 187 211 135 75 64 35 313 65 123 153 239
29 220 216 237 152 80 54 31 275 77 116 118 219
30 179   248 215 97 40 36 124 96 138 138 196
31 178   247   94   50 73   128   177