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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 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 -> 2024-09-30)

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 2,010 680 485 270 271 405 476 671
2 492 470 470 1,220 1,940 621 496 272 257 408 482 655
3 483 459 467 1,250 1,890 587 456 265 230 410 499 636
4 460 461 468 1,310 1,900 590 393 257 235 406 607 642
5 423 454 468 1,340 1,850 577 392 296 249 420 634 638
6 409 478 471 1,330 1,780 573 388 321 246 410 619 656
7 409 472 476 1,310 1,710 568 381 311 244 411 619 676
8 412 468 471 1,350 1,620 544 393 319 258 419 643 678
9 429 465 472 1,390 1,510 570 384 331 275 403 683 681
10 459 459 471 1,450 1,430 591 374 346 297 401 697 684
11 467 459 476 1,510 1,350 599 336 362 308 390 700 689
12 454 489 484 1,560 1,300 562 309 368 336 386 690 702
13 429 505 519 1,650 1,260 528 324 359 346 383 663 698
14 417 495 569 1,710 1,190 513 321 336 377 378 622 689
15 411 486 599 1,750 1,120 503 303 318 390 369 596 663
16 406 491 610 1,790 1,060 486 290 283 413 360 603 620
17 393 481 602 1,820 1,010 485 305 287 453 368 584 583
18 389 465 605 1,880 961 492 292 284 453 373 552 593
19 396 455 610 1,920 931 511 285 270 429 380 561 563
20 413 467 665 1,950 909 514 280 250 446 397 598 539
21 407 474 657 2,000 890 494 277 241 452 391 595 556
22 402 481 657 2,060 872 483 291 248 469 378 579 632
23 403 485 666 2,120 878 485 273 242 480 379 575 615
24 401 477 668 2,150 858 456 267 237 464 421 568 561
25 422 476 669 2,130 831 441 270 232 480 459 557 543
26 467 469 698 2,140 795 441 268 229 474 493 563 539
27 477 464 769 2,140 767 422 273 228 450 494 633 550
28 497 466 834 2,140 778 415 254 228 444 510 659 579
29 513 421 879 2,120 747 441 246 235 434 516 664 580
30 507   936 2,060 724 450 247 257 413 519 681 554
31 497   983   712   257 276   507   529