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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 01667500 RAPIDAN RIVER NEAR CULPEPER, VA


Culpeper County, Virginia
Hydrologic Unit Code 02080103
Latitude  38°21'01", Longitude  77°58'31" NAD27
Drainage area 468  square miles
Gage datum 240.30 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 1930-10-01 -> 2025-09-30)

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
1 661 593 725 857 655 579 320 353 315 476 417 605
2 635 656 679 821 633 501 365 292 252 492 410 630
3 663 730 673 804 621 644 342 278 237 386 430 519
4 624 825 793 746 607 598 323 388 242 314 557 638
5 585 772 874 820 697 589 320 314 296 315 615 612
6 585 675 835 768 780 491 314 285 656 616 477 526
7 575 737 917 738 697 506 280 261 756 428 447 550
8 593 740 789 734 847 431 298 237 374 395 500 591
9 716 597 778 749 691 391 283 338 374 423 433 584
10 721 597 770 799 614 624 275 293 302 385 467 583
11 591 619 783 705 572 578 283 298 288 329 419 758
12 640 668 864 683 605 454 302 268 265 321 647 586
13 590 707 919 873 627 497 335 374 340 400 608 547
14 695 846 859 757 625 467 292 284 321 376 483 571
15 630 792 819 792 573 414 290 299 277 527 490 597
16 618 675 740 873 734 371 328 360 257 682 459 620
17 539 733 788 1,010 651 405 292 382 409 375 428 588
18 549 794 884 779 679 463 268 642 407 401 388 569
19 678 762 838 663 715 494 226 567 554 443 406 505
20 727 711 943 752 605 447 225 310 436 483 540 484
21 668 684 1,050 650 615 470 266 266 340 418 452 632
22 655 762 906 699 564 1,020 269 269 374 338 452 597
23 665 828 847 660 554 639 273 289 384 396 465 586
24 703 783 817 649 488 406 317 284 314 397 426 558
25 877 811 780 686 529 351 263 306 327 369 481 637
26 871 820 750 1,040 487 316 236 282 425 432 466 630
27 749 731 729 777 477 494 246 249 332 395 464 601
28 810 679 845 711 566 807 265 244 418 405 537 586
29 704 604 896 641 544 413 318 260 407 470 636 650
30 601   828 688 560 375 321 222 556 465 713 698
31 668   774   633   312 215   395   624