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USGS 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 01033000 Sebec River at Sebec, Maine


Piscataquis County, Maine
Hydrologic Unit Code 01020004
Latitude  45°16'12", Longitude  69°06'44" NAD83
Drainage area 326  square miles
Contributing drainage area 326  square miles
Gage datum 296.30 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 1924-10-01 -> 2023-09-30)

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
1 501 489 461 1,110 2,010 683 463 264 265 408 476 671
2 492 470 470 1,220 1,930 625 476 266 251 410 482 655
3 483 459 469 1,260 1,880 591 436 261 228 412 499 636
4 460 461 470 1,310 1,880 595 373 256 236 407 607 642
5 423 454 469 1,350 1,840 581 374 295 251 409 634 638
6 409 478 472 1,330 1,770 572 371 320 247 395 619 656
7 409 472 477 1,320 1,710 565 366 310 245 396 619 676
8 412 468 473 1,350 1,610 541 378 317 260 403 643 678
9 429 465 473 1,400 1,510 567 378 316 277 385 683 681
10 459 459 472 1,460 1,430 588 374 325 299 382 697 684
11 467 459 478 1,510 1,350 594 334 340 308 371 700 689
12 454 489 486 1,560 1,310 557 307 344 331 368 690 702
13 429 505 522 1,650 1,260 522 321 336 340 366 663 698
14 417 495 572 1,710 1,190 507 317 315 359 361 622 689
15 411 486 603 1,740 1,130 497 299 299 367 352 596 663
16 406 491 613 1,770 1,070 480 279 265 391 344 603 620
17 393 481 605 1,800 1,020 479 284 270 433 353 584 583
18 389 465 608 1,860 970 480 272 267 435 360 552 593
19 396 455 613 1,900 939 489 265 252 407 368 561 563
20 413 467 670 1,930 918 487 262 233 419 385 598 539
21 407 474 661 1,990 900 471 261 230 426 380 595 556
22 402 481 661 2,060 881 464 276 237 446 367 579 632
23 403 485 671 2,120 884 467 265 229 460 367 575 615
24 401 477 672 2,150 864 439 269 231 446 409 568 561
25 422 476 673 2,140 835 423 272 229 464 447 557 543
26 467 469 701 2,140 799 423 268 226 459 481 563 539
27 477 464 768 2,140 769 406 269 224 448 483 633 550
28 497 466 834 2,140 781 399 247 223 447 499 659 579
29 513 421 880 2,130 750 425 239 227 437 506 664 580
30 507   938 2,070 725 430 240 251 416 509 681 554
31 497   985   714   249 270   497   529