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USGS Surface-Water Daily Statistics for the Nation

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 -> 2018-09-30)

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
1 387 315 420 541 396 366 210 209 169 189 213 342
2 397 374 445 586 364 375 188 231 156 165 217 346
3 452 496 417 555 370 272 154 208 156 146 278 336
4 395 414 489 557 375 272 139 172 185 136 204 345
5 356 329 521 614 332 247 173 169 125 137 196 373
6 443 327 551 575 348 279 185 173 175 149 184 361
7 382 481 599 595 367 267 303 172 197 126 290 368
8 374 456 521 507 321 269 209 168 199 143 306 379
9 381 312 499 494 343 229 205 216 150 219 275 377
10 391 338 461 501 340 213 169 174 124 143 265 314
11 335 350 528 414 344 206 169 217 127 135 212 426
12 336 341 548 462 432 229 155 211 156 182 251 418
13 279 441 587 464 399 289 260 282 164 141 284 364
14 327 408 687 422 361 250 212 234 156 153 245 430
15 366 473 619 468 334 217 183 171 213 204 240 327
16 299 376 504 656 352 197 170 161 234 164 261 351
17 291 367 493 533 358 225 147 190 240 151 317 346
18 363 401 480 411 335 202 143 174 171 206 276 343
19 412 411 520 409 318 226 145 233 194 314 243 285
20 438 461 563 398 323 210 143 144 224 314 304 303
21 418 441 581 371 298 189 207 139 215 191 330 474
22 415 447 644 374 273 223 190 224 195 160 306 356
23 349 486 584 390 281 228 337 215 159 189 305 349
24 469 516 519 374 323 234 280 191 169 185 231 371
25 628 562 475 394 351 218 194 153 197 223 299 369
26 501 580 437 406 319 188 161 138 145 205 325 393
27 440 464 497 415 300 172 207 168 203 208 314 429
28 428 462 519 455 251 238 251 427 187 278 359 376
29 393 395 503 364 336 198 195 185 209 238 360 387
30 359   529 362 344 224 168 143 201 251 367 439
31 334   554   272   162 133   216   376