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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 02073000 SMITH RIVER AT MARTINSVILLE, VA


Henry County, Virginia
Hydrologic Unit Code 03010103
Latitude  36°39'40", Longitude  79°52'51" NAD27
Drainage area 379  square miles
Gage datum 657.22 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 1950-10-01 -> 2021-09-30)

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
1 516 469 622 641 555 523 402 394 387 497 381 458
2 481 530 597 637 548 479 406 401 357 478 367 422
3 500 527 589 625 523 496 446 389 381 503 378 448
4 529 532 663 607 570 536 411 377 375 453 406 502
5 530 489 647 652 585 597 503 389 405 422 368 509
6 503 578 641 608 620 488 502 379 543 391 421 444
7 525 610 571 596 583 524 485 367 503 343 417 508
8 560 514 539 600 585 529 437 399 565 367 420 495
9 528 477 519 671 631 565 420 404 437 420 413 471
10 481 508 536 696 568 508 413 406 436 379 420 454
11 507 548 522 624 528 537 424 382 402 483 411 474
12 499 505 520 652 515 541 472 443 389 396 525 477
13 481 515 517 716 511 555 427 424 361 397 435 459
14 512 487 569 642 537 467 434 398 397 358 404 496
15 572 468 519 675 521 449 429 420 353 421 397 487
16 550 515 529 757 524 492 413 415 418 382 435 479
17 517 519 616 632 489 522 408 430 550 388 422 452
18 531 505 580 632 500 470 440 556 412 382 417 451
19 524 511 611 624 531 493 416 435 404 402 458 428
20 496 447 639 598 596 449 411 453 416 360 443 432
21 526 496 623 556 601 555 399 435 378 346 379 521
22 502 536 614 552 612 491 396 413 473 383 366 472
23 490 605 599 603 588 487 408 411 433 425 365 456
24 519 596 642 704 563 468 380 408 400 402 384 467
25 650 574 593 651 592 496 418 387 392 393 442 400
26 554 564 594 677 545 512 412 379 441 426 419 417
27 573 540 578 651 568 476 413 386 439 383 413 488
28 586 543 637 643 589 442 425 396 448 394 396 509
29 524 492 661 629 528 450 405 369 426 420 432 527
30 473   660 600 525 406 399 372 570 398 419 487
31 468   637   511   395 450   390   508