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USGS Daily Statistics for New Jersey

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ALL DATA ARE AT LOCAL TIME


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 01387500 Ramapo River near Mahwah NJ


Bergen County, New Jersey
Hydrologic Unit Code 02030103
Latitude  41°05'53", Longitude  74°09'46" NAD83
Drainage area 120  square miles
Contributing drainage area 120  square miles
Gage datum 253.10 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 1902-10-01 -> 2023-09-30)

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
1 270 228 330 502 315 251 141 88 88 127 151 303
2 278 235 333 492 286 258 114 85 166 114 161 298
3 276 285 335 500 267 219 100 91 121 117 217 270
4 265 281 373 477 274 199 99 85 100 111 217 273
5 257 247 373 549 266 190 92 88 84 108 180 278
6 268 222 384 521 275 181 93 84 91 112 167 292
7 273 231 435 491 274 192 102 98 109 107 163 299
8 287 254 406 446 252 191 94 83 113 114 220 309
9 272 230 412 420 255 164 101 78 111 226 255 292
10 263 224 370 444 261 153 111 96 89 156 226 277
11 248 253 430 384 290 140 93 98 79 120 209 289
12 244 262 469 355 303 134 78 90 108 134 221 328
13 238 256 465 365 284 149 98 107 113 162 219 320
14 236 266 505 348 273 149 127 102 110 145 222 319
15 251 263 459 362 285 153 119 91 114 172 215 289
16 232 262 428 460 263 141 108 94 143 183 205 275
17 217 250 420 464 293 138 92 106 190 135 225 280
18 222 256 441 387 260 132 89 99 155 134 222 276
19 247 258 457 348 258 140 97 149 143 148 210 251
20 253 272 456 329 236 134 92 120 128 194 239 258
21 256 278 460 306 216 122 90 91 123 179 257 368
22 262 307 565 308 196 142 106 106 134 160 243 351
23 264 305 535 317 188 151 143 120 105 147 251 295
24 295 315 485 307 209 142 127 136 102 152 218 302
25 386 373 466 303 222 125 95 107 115 159 224 312
26 382 373 432 295 213 111 85 87 108 172 247 292
27 333 341 436 291 198 108 86 83 121 197 257 287
28 322 337 454 294 204 121 83 222 127 214 257 262
29 285 285 469 308 269 114 72 176 125 198 303 258
30 253   469 295 259 141 75 110 121 179 294 272
31 239   510   224   89 83   158   289