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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 -> 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
1 176 178 176 281 339 78 45 54 89 70 119 173
2 164 159 201 294 263 81 48 39 170 73 101 288
3 153 153 205 277 205 83 46 33 112 89 170 234
4 145 170 199 305 186 79 37 60 72 82 149 162
5 137 170 180 273 174 85 29 103 57 75 109 150
6 136 151 173 249 178 67 26 65 98 62 100 152
7 131 148 186 259 177 64 33 48 161 55 97 167
8 119 141 182 317 173 78 35 39 186 56 91 204
9 129 130 199 252 160 71 45 36 167 50 85 170
10 278 114 223 210 142 63 72 32 114 43 85 156
11 206 113 204 181 130 70 69 36 83 44 84 184
12 176 109 208 199 153 65 56 35 67 50 111 169
13 204 110 219 257 154 79 129 33 54 47 147 145
14 172 103 212 253 156 96 113 46 46 50 131 177
15 142 92 217 223 139 81 100 54 40 50 141 171
16 153 108 223 331 134 62 96 42 37 50 136 165
17 149 122 199 299 148 49 86 47 36 42 126 179
18 136 120 184 231 127 50 85 57 41 35 116 338
19 157 108 189 221 110 55 65 47 34 86 101 266
20 174 105 224 218 116 47 50 44 29 172 93 177
21 161 127 199 203 101 60 48 43 28 187 86 234
22 126 149 206 177 86 55 54 87 34 107 100 258
23 130 154 223 179 100 41 75 155 41 74 127 247
24 186 182 243 162 131 35 62 94 74 62 127 210
25 245 243 247 151 109 40 56 71 80 55 144 261
26 248 213 216 158 96 49 42 50 70 94 145 231
27 229 192 201 149 77 52 32 43 60 142 179 195
28 285 193 211 135 75 64 36 329 67 129 160 251
29 230 216 237 152 80 54 32 289 80 122 123 229
30 187   248 215 97 40 38 128 100 146 144 202
31 185   247   94   52 75   135   182