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USGS Daily Statistics for New Jersey

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ALL DATA ARE AT LOCAL TIME

During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.


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 01402000 Millstone River at Blackwells Mills NJ


Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°28'30", Longitude  74°34'33" NAD83
Drainage area 258  square miles
Gage datum 26.97 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 93 - 94 years of record in, ft3/s   (Calculation Period 1921-10-01 -> 2015-09-30)

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
1 506 390 601 703 453 334 187 255 155 223 253 441
2 545 430 592 735 401 368 167 238 179 194 240 452
3 574 553 593 720 370 366 171 253 183 165 235 437
4 578 547 667 612 376 302 197 208 196 142 238 434
5 511 491 699 651 365 309 180 183 164 137 237 453
6 498 445 712 644 358 311 226 173 169 152 231 497
7 531 516 829 661 381 316 227 165 284 148 253 484
8 519 588 798 609 382 330 216 164 240 141 327 498
9 511 489 723 613 380 263 229 230 214 203 411 503
10 507 454 625 606 400 261 190 279 159 178 386 504
11 432 467 662 540 414 249 185 226 159 170 311 506
12 441 486 720 496 424 222 166 228 211 222 305 629
13 407 491 803 537 401 289 242 311 248 226 366 559
14 407 584 893 518 364 319 333 308 225 190 345 574
15 468 615 850 505 335 277 413 267 246 209 332 534
16 461 565 726 672 350 220 254 196 261 217 312 474
17 413 523 666 769 402 228 194 174 355 182 322 499
18 418 539 626 575 374 231 190 168 238 202 324 469
19 537 583 638 471 362 217 170 179 213 309 300 433
20 601 626 710 432 356 259 187 184 224 413 352 391
21 541 610 699 403 336 240 291 160 335 317 392 525
22 559 617 810 416 293 251 309 219 366 239 401 545
23 465 665 814 410 284 268 351 265 226 195 373 456
24 500 688 748 409 334 254 414 245 194 186 324 423
25 687 688 652 455 405 214 305 184 234 231 326 463
26 672 734 563 427 383 185 229 161 241 248 386 500
27 610 677 573 452 331 167 220 195 259 229 398 544
28 599 634 598 519 272 202 277 538 247 292 423 484
29 565 551 610 494 290 216 277 448 229 313 534 503
30 448   672 387 381 215 258 239 230 286 488 524
31 416   730   365   231 164   255   573