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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 -> 2019-09-30)

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
1 262 229 332 510 288 254 145 90 83 129 145 290
2 273 237 335 502 269 261 118 87 123 116 157 289
3 273 289 338 512 259 222 102 94 101 120 218 264
4 262 281 376 489 270 201 100 85 93 112 219 271
5 253 246 376 565 262 192 93 87 80 107 181 276
6 263 221 390 536 271 184 95 85 89 113 168 292
7 271 229 445 501 271 196 105 99 109 108 164 297
8 288 254 415 434 250 196 95 83 113 116 224 310
9 273 230 422 417 253 167 90 79 109 233 260 293
10 264 225 376 448 261 155 84 98 85 161 231 273
11 249 256 438 390 292 142 76 101 76 123 213 286
12 246 265 477 360 304 136 69 93 107 137 221 329
13 240 257 473 363 281 151 94 109 111 166 219 323
14 238 268 514 345 270 153 123 105 109 148 223 316
15 254 266 465 362 285 157 113 93 115 176 217 285
16 231 264 426 467 263 145 99 96 147 187 205 268
17 215 251 424 472 297 142 81 108 196 134 226 270
18 222 255 446 391 263 135 79 99 155 136 224 271
19 249 258 461 344 262 141 91 152 140 151 211 249
20 252 275 462 324 237 136 90 123 128 199 237 258
21 257 281 468 304 218 124 88 93 126 184 258 355
22 265 311 576 308 199 146 105 104 138 165 244 334
23 266 309 543 313 190 155 144 95 106 150 253 272
24 286 318 492 303 212 146 129 125 98 155 215 283
25 372 378 472 302 228 128 97 104 115 162 208 283
26 369 379 438 295 218 112 85 85 109 156 236 270
27 327 346 444 289 203 107 86 83 123 169 243 279
28 320 341 464 294 207 120 84 229 130 204 250 255
29 285 288 478 304 272 115 73 182 127 193 303 253
30 251   480 284 259 145 76 112 122 172 290 268
31 240   522   222   91 84   152   286