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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 -> 2022-09-30)

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
1 270 227 332 505 294 254 142 89 89 128 152 303
2 278 235 335 495 274 259 116 86 169 115 162 298
3 276 285 337 503 262 220 100 92 123 118 219 270
4 264 281 373 482 272 200 98 86 101 111 219 273
5 257 248 372 555 264 192 91 89 85 106 182 279
6 268 222 384 527 275 183 93 85 92 112 168 293
7 273 231 437 492 272 194 103 98 111 107 164 296
8 287 255 408 427 251 194 94 83 114 114 222 307
9 273 231 414 410 255 165 93 78 110 228 257 292
10 263 224 371 441 263 154 86 97 87 158 228 277
11 248 254 431 383 292 142 82 99 77 121 210 290
12 245 263 471 355 306 136 74 91 106 135 221 329
13 238 257 467 366 286 150 96 107 110 163 219 321
14 236 268 506 350 276 151 122 103 108 145 223 321
15 251 265 460 365 288 155 113 91 114 173 216 290
16 232 264 429 465 265 143 98 94 144 184 205 272
17 217 252 421 469 296 139 81 106 192 135 225 276
18 222 257 442 390 263 134 81 97 153 135 222 274
19 248 259 458 344 260 141 92 150 138 148 210 250
20 252 274 457 326 238 136 89 121 125 195 240 257
21 255 280 461 306 217 124 88 91 124 180 258 369
22 262 309 568 309 198 144 105 107 135 161 244 352
23 263 307 538 312 190 153 143 121 106 148 252 278
24 294 317 487 303 211 143 128 138 103 152 219 286
25 386 375 468 302 225 126 96 108 116 159 226 307
26 371 376 434 295 215 111 85 87 109 172 249 289
27 326 344 438 291 201 105 86 84 122 198 259 286
28 318 339 457 295 204 118 83 226 128 215 258 261
29 283 285 471 304 271 113 72 179 126 199 304 257
30 251   472 285 262 142 75 111 122 180 295 271
31 238   513   227   90 84   159   290