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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 68 - 69 years 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
1 512 462 617 639 545 514 399 392 384 500 370 431
2 474 525 588 636 539 463 403 399 354 478 362 394
3 493 521 585 623 522 480 442 382 379 505 369 428
4 525 523 658 609 568 521 406 377 374 454 397 495
5 521 477 644 656 577 587 496 387 403 422 357 490
6 496 506 640 612 610 485 499 378 540 389 411 436
7 516 551 568 602 570 518 486 365 502 339 404 502
8 552 497 535 604 569 504 436 398 570 365 409 481
9 517 460 514 675 628 544 419 403 440 420 403 457
10 466 490 531 702 565 497 411 408 439 379 411 446
11 493 523 519 629 524 521 418 384 404 472 383 468
12 486 478 514 660 508 519 468 441 387 386 456 472
13 467 483 513 665 504 534 423 424 360 394 412 456
14 507 470 570 634 532 457 435 397 394 357 383 482
15 565 454 518 634 519 441 429 402 356 418 372 474
16 539 503 528 724 526 483 409 396 418 377 410 458
17 504 505 618 606 492 500 404 430 535 384 386 429
18 521 491 582 616 500 438 436 556 399 378 382 436
19 518 500 610 619 519 465 411 432 396 400 422 414
20 474 431 637 588 557 433 406 448 409 351 411 419
21 517 479 622 547 488 542 403 391 371 349 372 511
22 494 520 616 544 525 472 394 402 477 380 360 463
23 481 569 601 596 518 467 401 403 436 425 355 449
24 492 571 647 702 481 447 378 401 400 402 363 459
25 631 555 594 652 514 476 416 379 392 381 424 379
26 550 537 595 679 497 503 410 374 442 424 413 407
27 572 513 578 652 513 466 411 386 441 363 408 483
28 584 521 641 643 546 431 425 390 451 383 391 505
29 519 493 666 628 521 442 407 365 424 372 429 522
30 468   663 563 519 401 397 370 574 375 391 481
31 458   640   505   393 439   372   505