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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 01606500 SOUTH BRANCH POTOMAC RIVER NEAR PETERSBURG, WV


Grant County, West Virginia
Hydrologic Unit Code 02070001
Latitude  38°59'28", Longitude  79°10'34" NAD27
Drainage area 651  square miles
Gage datum 965.88 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 1927-10-01 -> 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
1 939 1,050 1,500 1,350 1,080 739 330 285 211 298 336 705
2 891 1,030 1,450 1,320 1,030 818 300 241 215 321 331 670
3 912 1,110 1,360 1,290 1,100 846 303 236 189 299 372 639
4 871 1,190 1,410 1,330 1,150 743 292 239 175 247 416 682
5 834 1,040 1,890 1,460 1,170 699 329 259 216 254 1,160 643
6 853 1,040 1,740 1,330 1,280 648 348 310 625 406 717 581
7 902 1,090 1,700 1,310 1,330 573 318 294 511 295 525 680
8 947 964 1,450 1,290 1,470 583 387 256 317 261 490 755
9 857 894 1,470 1,330 1,250 577 373 278 305 436 450 728
10 854 994 1,380 1,310 1,170 596 324 254 253 335 438 689
11 816 984 1,430 1,280 1,080 569 310 248 234 270 390 748
12 829 936 1,480 1,280 1,060 551 288 303 233 248 407 743
13 801 942 1,630 1,450 1,060 621 278 374 284 230 450 712
14 732 1,150 1,630 1,500 1,100 576 278 337 212 210 417 651
15 817 1,060 1,660 1,470 1,030 506 274 271 205 279 387 707
16 861 1,000 1,400 1,800 1,250 468 258 251 189 334 424 769
17 769 1,040 1,700 1,640 1,290 601 303 260 265 285 439 739
18 796 1,140 1,560 1,290 1,180 684 257 427 348 385 442 692
19 1,120 1,210 1,590 1,130 1,080 566 252 296 444 296 522 632
20 910 1,110 1,850 1,260 1,060 523 251 242 275 298 582 618
21 929 1,140 1,930 1,100 1,070 508 290 230 237 327 499 725
22 901 1,230 1,810 1,220 1,100 497 280 250 267 310 461 799
23 835 1,430 1,670 1,110 1,020 498 254 269 362 314 459 731
24 939 1,460 1,780 1,140 925 470 243 331 280 305 443 724
25 1,190 1,530 1,680 1,070 893 403 236 270 229 272 442 848
26 1,190 1,580 1,540 1,140 811 357 219 245 249 274 480 838
27 1,040 1,410 1,410 1,150 813 363 242 229 237 297 487 914
28 1,030 1,330 1,500 1,250 986 414 243 214 361 411 516 811
29 966 1,260 1,600 1,170 943 389 297 232 312 376 622 826
30 1,040   1,520 1,150 851 369 320 201 291 384 680 933
31 1,060   1,430   961   326 186   350   841