Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for New Jersey

Click to hide state-specific text

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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 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
1 274 228 327 503 312 250 140 87 87 133 151 300
2 280 235 331 492 283 257 114 85 165 117 160 295
3 277 283 335 504 264 218 99 93 120 119 215 268
4 265 279 371 491 271 198 99 86 99 112 215 272
5 257 246 372 554 264 189 92 88 83 109 179 276
6 268 221 389 522 275 180 95 86 91 112 166 290
7 273 229 444 490 273 191 103 101 109 110 162 296
8 286 252 410 445 252 191 94 85 112 117 218 306
9 275 229 414 418 262 164 100 83 111 225 252 289
10 300 222 384 441 274 152 110 102 88 156 223 275
11 267 251 436 382 294 140 93 101 78 120 207 300
12 251 260 469 362 304 133 78 92 107 133 218 339
13 250 254 463 373 283 148 98 108 112 161 216 324
14 245 264 501 353 272 149 126 102 109 144 219 320
15 255 261 456 365 283 152 119 92 113 172 213 289
16 234 261 424 459 262 141 107 94 142 182 203 275
17 218 251 419 461 292 137 91 106 189 134 222 281
18 222 255 439 385 259 132 89 99 154 134 219 322
19 247 256 454 347 256 139 97 150 142 146 207 286
20 253 270 452 327 235 133 92 121 127 192 235 272
21 254 275 459 305 215 121 90 91 124 179 254 372
22 260 304 561 306 195 142 106 106 134 160 245 353
23 263 302 538 314 189 150 142 119 106 146 251 296
24 293 312 496 305 210 141 127 135 104 151 217 302
25 384 368 468 300 222 124 95 107 126 158 223 311
26 381 369 432 293 212 110 84 86 122 170 245 291
27 332 338 435 289 198 108 85 82 127 195 258 286
28 324 335 453 292 204 121 82 220 130 211 257 277
29 292 285 466 305 268 113 72 175 137 196 301 270
30 256   466 292 259 140 74 110 132 180 292 278
31 241   506   224   89 83   159   293