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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 02049500 BLACKWATER RIVER NEAR FRANKLIN, VA


Southampton County, Virginia
Hydrologic Unit Code 03010202
Latitude  36°45'45", Longitude  76°53'55" NAD27
Drainage area 613  square miles
Gage datum 0.00 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 1943-10-01 -> 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
1 786 1,030 1,160 1,070 681 394 271 356 363 437 313 503
2 801 1,020 1,160 1,070 693 393 260 379 394 445 329 505
3 819 1,020 1,170 1,060 698 402 274 385 394 433 337 504
4 850 1,040 1,190 1,040 684 423 281 400 386 408 343 504
5 870 1,080 1,200 1,010 671 460 278 421 375 383 340 507
6 871 1,120 1,200 993 669 499 265 432 381 370 331 516
7 868 1,140 1,230 983 679 525 254 439 405 372 322 516
8 871 1,160 1,250 980 672 546 252 423 399 475 333 516
9 872 1,160 1,270 988 658 548 252 408 398 643 342 530
10 876 1,150 1,270 991 630 555 256 407 416 686 364 561
11 884 1,130 1,270 971 608 541 261 387 434 653 379 600
12 886 1,120 1,240 948 591 524 259 358 485 580 402 641
13 886 1,130 1,200 925 560 510 276 340 526 497 492 670
14 909 1,150 1,170 899 526 477 306 332 532 430 546 691
15 934 1,160 1,170 878 496 430 339 361 511 374 562 720
16 959 1,160 1,140 899 475 398 361 417 597 326 550 756
17 977 1,180 1,120 914 449 380 391 453 637 289 530 778
18 985 1,200 1,120 898 423 345 383 485 654 287 503 785
19 998 1,220 1,120 869 412 317 370 495 685 284 476 789
20 1,030 1,220 1,140 834 405 291 351 462 687 279 458 789
21 1,050 1,200 1,150 800 406 275 337 421 641 280 446 783
22 1,070 1,180 1,150 771 408 265 323 384 592 288 448 772
23 1,080 1,170 1,130 757 409 270 307 370 537 293 459 767
24 1,090 1,160 1,110 736 414 276 292 369 497 317 467 766
25 1,100 1,170 1,100 711 427 273 297 359 468 324 469 775
26 1,110 1,160 1,090 696 435 276 307 335 437 317 475 782
27 1,100 1,160 1,080 694 432 273 316 317 426 309 481 792
28 1,090 1,160 1,070 695 419 268 334 331 430 299 484 792
29 1,080 1,140 1,070 691 405 287 362 373 422 297 483 778
30 1,070   1,080 678 402 287 362 389 419 300 491 776
31 1,050   1,080   404   356 370   302   775