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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 -> 2019-09-30)

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
1 512 468 624 640 546 513 397 394 384 500 370 431
2 474 531 599 638 543 462 403 400 354 478 362 394
3 493 526 592 624 518 479 442 382 379 505 369 428
4 525 528 666 610 566 519 407 375 374 454 397 495
5 521 486 649 657 574 585 500 385 403 422 357 490
6 496 525 644 611 610 484 499 377 540 389 411 436
7 516 568 573 597 581 521 485 365 502 339 404 502
8 552 503 541 602 580 527 434 398 570 365 409 481
9 517 466 520 673 631 562 419 403 440 420 403 457
10 472 496 538 699 566 504 412 408 439 379 411 446
11 499 529 523 627 525 533 419 384 404 472 383 468
12 493 486 521 658 511 537 469 441 387 386 456 472
13 477 492 518 669 507 552 424 424 360 394 412 456
14 515 476 574 631 533 462 434 397 394 357 383 482
15 571 460 523 644 518 443 428 402 356 418 372 474
16 545 509 533 745 524 486 411 396 418 377 410 458
17 511 513 622 629 489 505 406 430 535 384 386 429
18 528 500 585 631 500 446 439 556 399 378 382 436
19 524 506 613 625 519 471 414 432 396 400 422 414
20 492 441 640 595 560 437 408 448 409 351 411 419
21 525 491 627 553 488 543 403 391 371 349 372 511
22 502 532 620 549 525 474 394 402 477 380 360 463
23 490 601 601 600 519 467 403 403 436 425 355 449
24 520 593 645 703 482 449 379 401 400 402 363 459
25 643 570 592 652 511 479 417 379 392 381 424 379
26 558 562 594 677 495 506 411 374 442 424 413 407
27 579 538 579 651 511 470 410 386 441 363 408 483
28 590 544 640 642 544 434 423 390 451 383 391 505
29 525 493 665 627 519 443 406 365 424 372 429 522
30 473   661 563 518 399 399 370 574 375 391 481
31 468   637   503   395 439   372   505