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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 02047783 BLACKWATER RIVER AT ROUTE 620 NEAR ZUNI, VA


Isle Of Wight County, Virginia
Hydrologic Unit Code 03010202
Latitude  36°54'23", Longitude  76°49'13" NAD27
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 2012-10-01 -> 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
1 712 678 805 592 638 421 534 309 198 84 101 344
2 645 663 762 597 651 402 611 260 219 90 97 330
3 611 636 699 609 561 400 599 289 224 106 101 315
4 607 663 686 575 488 405 603 406 199 141 112 294
5 612 767 725 515 420 439 594 461 174 180 120 271
6 599 822 797 455 393 590 598 336 170 212 121 257
7 563 835 825 420 414 670 613 276 164 214 118 256
8 509 895 809 453 446 777 565 251 147 183 116 254
9 463 873 756 501 452 1,170 537 277 166 545 113 270
10 431 818 686 508 414 1,650 440 256 194 875 140 341
11 425 762 615 486 360 1,650 366 190 190 735 191 442
12 475 850 554 447 323 1,270 430 178 177 556 210 462
13 550 865 502 411 304 969 569 192 184 442 245 437
14 625 841 497 392 290 771 675 194 164 355 365 429
15 682 789 539 392 275 608 604 182 156 298 404 476
16 675 749 574 517 255 513 532 167 140 276 429 537
17 648 787 576 642 246 503 443 156 116 253 434 553
18 630 810 562 639 253 492 310 167 92 221 431 562
19 634 845 524 618 274 463 225 153 73 194 419 554
20 645 848 543 623 330 440 178 133 61 180 394 526
21 625 841 555 646 433 409 152 211 55 175 357 513
22 582 844 573 584 468 388 141 300 65 176 315 498
23 564 834 567 500 469 377 146 229 86 184 270 482
24 619 877 545 432 480 372 158 185 86 191 244 500
25 789 887 517 405 486 407 219 148 92 171 266 567
26 834 857 504 397 471 405 277 114 123 144 296 608
27 785 812 521 393 432 481 257 89 125 124 348 606
28 733 804 539 377 409 511 254 68 110 111 393 602
29 695 1,100 546 375 437 500 235 73 94 101 390 636
30 698   587 391 440 471 222 119 82 98 361 730
31 692   606   423   279 180   101   766