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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 01400000 North Branch Raritan River near Raritan NJ


Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°34'14", Longitude  74°40'45" NAD83
Drainage area 190  square miles
Gage datum 50.43 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 1923-10-01 -> 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
1 409 313 429 534 430 361 209 207 196 192 226 359
2 417 369 476 578 367 379 186 226 280 167 222 359
3 453 487 430 577 370 279 154 209 163 151 296 344
4 400 428 507 569 377 279 138 208 186 151 208 346
5 367 339 521 604 353 251 171 176 129 147 199 375
6 445 328 548 570 364 277 181 176 175 152 193 356
7 385 481 601 601 383 263 292 185 194 130 289 376
8 376 458 517 534 332 269 203 182 196 145 301 371
9 390 313 498 492 347 233 214 218 151 216 274 371
10 470 337 497 494 341 212 204 175 133 144 269 321
11 341 375 533 412 344 208 176 223 133 148 213 453
12 352 345 546 482 442 227 165 212 159 188 259 413
13 309 441 579 498 405 285 255 276 174 146 293 358
14 330 405 672 429 366 246 211 230 161 157 247 431
15 362 462 605 484 339 214 190 173 211 204 238 327
16 303 382 504 678 353 196 175 163 229 165 273 369
17 307 370 485 531 359 221 156 187 235 157 318 361
18 359 404 476 413 331 216 171 187 179 204 276 428
19 405 406 519 426 325 234 152 238 195 304 244 296
20 454 451 549 407 329 217 146 146 220 304 301 306
21 412 440 566 373 298 203 206 141 211 190 323 493
22 405 443 638 373 272 227 192 263 193 160 316 359
23 362 481 610 393 297 230 339 284 167 190 301 373
24 488 515 538 375 322 234 278 195 183 186 240 375
25 633 572 491 393 343 226 198 160 216 220 339 407
26 534 573 438 403 312 194 166 146 158 246 337 394
27 440 466 489 414 300 196 206 170 205 229 343 421
28 439 466 518 447 255 240 248 411 215 280 357 439
29 394 401 499 379 345 198 193 185 228 245 353 397
30 357   517 371 358 226 169 145 213 264 380 443
31 332   540   293   162 134   229   384