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USGS Surface-Water Daily Statistics for Virginia

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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 656.09 feet above NAVD88
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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 -> 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
1 516 472 621 643 554 530 402 395 399 493 374 452
2 481 531 600 636 550 489 419 399 355 472 359 418
3 507 530 589 622 529 499 446 391 377 494 368 443
4 530 543 671 605 576 532 412 375 372 445 394 496
5 531 494 645 651 586 591 498 386 409 419 359 502
6 503 573 639 608 612 485 500 385 535 385 410 442
7 521 604 575 597 578 521 481 375 497 339 407 502
8 555 512 545 602 580 524 438 399 558 364 410 489
9 525 477 524 669 622 557 417 402 439 415 403 466
10 480 506 541 692 559 501 415 405 434 376 409 449
11 505 548 528 618 521 532 420 384 403 476 411 468
12 497 519 519 647 514 539 467 438 388 392 525 472
13 483 539 514 711 504 549 427 420 362 393 432 454
14 513 502 562 639 529 465 433 396 396 356 397 490
15 567 482 513 669 515 448 429 417 351 416 391 487
16 546 543 528 745 519 488 421 416 415 379 434 477
17 514 544 611 625 490 516 407 431 542 384 417 448
18 528 520 581 628 497 466 440 546 410 378 413 447
19 521 522 617 623 525 491 421 433 402 397 451 424
20 493 460 635 601 588 456 411 448 414 358 436 428
21 524 508 615 558 593 552 399 435 379 344 373 514
22 501 545 605 551 604 494 393 414 477 379 361 484
23 490 622 603 597 584 494 409 408 435 420 360 464
24 518 613 650 694 570 476 383 406 399 397 379 464
25 648 592 591 644 588 502 419 386 390 391 435 394
26 570 570 602 665 545 517 415 378 438 419 412 409
27 583 546 581 646 585 483 415 385 434 376 407 479
28 588 548 642 663 595 451 425 409 442 388 390 501
29 519 492 662 631 547 454 405 386 420 415 425 520
30 475   658 599 535 412 399 386 558 393 415 485
31 472   642   518   395 466   384   506