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USGS 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 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 -> 2020-09-30)

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
1 510 469 622 640 546 513 397 394 382 496 373 444
2 472 530 597 638 543 462 403 400 351 474 362 401
3 491 527 589 624 518 479 442 382 377 500 369 428
4 523 532 663 610 566 519 407 375 371 449 397 495
5 517 489 647 657 574 585 500 385 402 418 359 488
6 492 578 641 611 610 484 499 377 542 387 414 436
7 513 610 571 597 581 521 485 366 501 338 409 501
8 551 514 539 602 580 527 434 398 565 364 412 482
9 519 477 519 673 631 562 419 403 437 416 405 458
10 474 508 536 699 566 504 412 408 436 376 411 446
11 498 548 523 627 525 533 419 382 402 468 384 469
12 490 505 521 658 511 537 469 438 388 383 457 472
13 476 515 518 669 507 552 424 422 360 392 411 453
14 514 487 574 631 533 462 434 396 394 354 381 481
15 569 468 523 644 518 443 428 402 354 415 375 473
16 546 515 533 745 524 486 411 397 415 377 410 460
17 513 519 622 629 489 505 406 429 531 382 386 432
18 528 505 585 631 500 446 439 552 397 376 383 439
19 521 511 613 625 519 471 414 430 394 397 422 417
20 492 447 640 595 560 437 408 448 407 357 410 422
21 526 496 627 553 488 543 403 389 369 347 371 511
22 502 536 620 549 525 474 394 400 473 382 360 463
23 490 605 601 600 519 467 403 402 433 424 355 449
24 519 596 645 703 482 449 379 400 399 401 365 458
25 650 574 592 652 511 479 417 377 390 380 425 380
26 554 564 594 677 495 506 411 371 440 422 413 407
27 573 540 579 651 511 470 410 385 438 374 407 483
28 586 543 640 642 544 434 423 390 448 382 390 503
29 524 492 665 627 519 443 406 365 422 372 426 517
30 473   661 563 518 399 399 370 569 378 391 478
31 468   637   503   395 437   382   503